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group__Propagator.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
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<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
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<meta name="generator" content="Doxygen 1.8.17"/>
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<title>Clingo C API: Theory Propagation</title>
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<div id="projectname">Clingo C API
</div>
<div id="projectbrief">C API for clingo providing high level functions to control grounding and solving.</div>
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<div class="header">
<div class="summary">
<a href="#nested-classes">Classes</a> |
<a href="#typedef-members">Typedefs</a> |
<a href="#enum-members">Enumerations</a> </div>
<div class="headertitle">
<div class="title">Theory Propagation<div class="ingroups"><a class="el" href="group__Control.html">Grounding and Solving</a></div></div> </div>
</div><!--header-->
<div class="contents">
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Extend the search with propagators for arbitrary theories. </p>
<p>For an example, see <a class="el" href="propagator_8c-example.html">propagator.c</a>. </p>
<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="nested-classes"></a>
Classes</h2></td></tr>
<tr class="memitem:"><td class="memItemLeft" align="right" valign="top">struct  </td><td class="memItemRight" valign="bottom"><a class="el" href="structclingo__propagator.html">clingo_propagator</a></td></tr>
<tr class="memdesc:"><td class="mdescLeft"> </td><td class="mdescRight">An instance of this struct has to be registered with a solver to implement a custom propagator. <a href="structclingo__propagator.html#details">More...</a><br /></td></tr>
<tr class="separator:"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="typedef-members"></a>
Typedefs</h2></td></tr>
<tr class="memitem:ga6198e3190869e937ca7135e5314ddf26"><td class="memItemLeft" align="right" valign="top">typedef struct clingo_assignment </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a></td></tr>
<tr class="memdesc:ga6198e3190869e937ca7135e5314ddf26"><td class="mdescLeft"> </td><td class="mdescRight">Represents a (partial) assignment of a particular solver. <a href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">More...</a><br /></td></tr>
<tr class="separator:ga6198e3190869e937ca7135e5314ddf26"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga84a31c95e48053589feecff95f00d894"><td class="memItemLeft" align="right" valign="top"><a id="ga84a31c95e48053589feecff95f00d894"></a>
typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga84a31c95e48053589feecff95f00d894">clingo_propagator_check_mode_t</a></td></tr>
<tr class="memdesc:ga84a31c95e48053589feecff95f00d894"><td class="mdescLeft"> </td><td class="mdescRight">Corresponding type to <a class="el" href="group__Propagator.html#gac545027859304086eb5898b958908344" title="Supported check modes for propagators.">clingo_propagator_check_mode_e</a>. <br /></td></tr>
<tr class="separator:ga84a31c95e48053589feecff95f00d894"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2aead2bec3850de40ef5febf71bce40d"><td class="memItemLeft" align="right" valign="top"><a id="ga2aead2bec3850de40ef5febf71bce40d"></a>
typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga2aead2bec3850de40ef5febf71bce40d">clingo_weight_constraint_type_t</a></td></tr>
<tr class="memdesc:ga2aead2bec3850de40ef5febf71bce40d"><td class="mdescLeft"> </td><td class="mdescRight">Corresponding type to <a class="el" href="group__Propagator.html#gafd7a9975a29612113328f5912fcb0b9d" title="Enumeration of weight_constraint_types.">clingo_weight_constraint_type_e</a>. <br /></td></tr>
<tr class="separator:ga2aead2bec3850de40ef5febf71bce40d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga640db8ba73adaddd5dbe50b572b77f25"><td class="memItemLeft" align="right" valign="top">typedef struct clingo_propagate_init </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a></td></tr>
<tr class="memdesc:ga640db8ba73adaddd5dbe50b572b77f25"><td class="mdescLeft"> </td><td class="mdescRight">Object to initialize a user-defined propagator before each solving step. <a href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">More...</a><br /></td></tr>
<tr class="separator:ga640db8ba73adaddd5dbe50b572b77f25"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac68cd9a38909ef2d08376f4e9a6352dd"><td class="memItemLeft" align="right" valign="top"><a id="gac68cd9a38909ef2d08376f4e9a6352dd"></a>
typedef int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gac68cd9a38909ef2d08376f4e9a6352dd">clingo_clause_type_t</a></td></tr>
<tr class="memdesc:gac68cd9a38909ef2d08376f4e9a6352dd"><td class="mdescLeft"> </td><td class="mdescRight">Corresponding type to <a class="el" href="group__Propagator.html#gac97452376bdf24c42dc27a5738445b35" title="Enumeration of clause types determining the lifetime of a clause.">clingo_clause_type_e</a>. <br /></td></tr>
<tr class="separator:gac68cd9a38909ef2d08376f4e9a6352dd"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1cf43bea08101abb8b8cc7711c4c7165"><td class="memItemLeft" align="right" valign="top"><a id="ga1cf43bea08101abb8b8cc7711c4c7165"></a>
typedef struct clingo_propagate_control </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a></td></tr>
<tr class="memdesc:ga1cf43bea08101abb8b8cc7711c4c7165"><td class="mdescLeft"> </td><td class="mdescRight">This object can be used to add clauses and propagate literals while solving. <br /></td></tr>
<tr class="separator:ga1cf43bea08101abb8b8cc7711c4c7165"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga67bdda9d9d2ddaa31acc41e5a569db33"><td class="memItemLeft" align="right" valign="top"><a id="ga67bdda9d9d2ddaa31acc41e5a569db33"></a>
typedef bool(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga67bdda9d9d2ddaa31acc41e5a569db33">clingo_propagator_init_callback_t</a>) (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *, void *)</td></tr>
<tr class="memdesc:ga67bdda9d9d2ddaa31acc41e5a569db33"><td class="mdescLeft"> </td><td class="mdescRight">Typedef for <a class="el" href="structclingo__propagator.html#a456c4c0e3ed629e8b548f7cc4fd830a1">clingo_propagator::init()</a>. <br /></td></tr>
<tr class="separator:ga67bdda9d9d2ddaa31acc41e5a569db33"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae870d426cc8f9c3db7b5aabb958c5931"><td class="memItemLeft" align="right" valign="top"><a id="gae870d426cc8f9c3db7b5aabb958c5931"></a>
typedef bool(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gae870d426cc8f9c3db7b5aabb958c5931">clingo_propagator_propagate_callback_t</a>) (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> const *, size_t, void *)</td></tr>
<tr class="memdesc:gae870d426cc8f9c3db7b5aabb958c5931"><td class="mdescLeft"> </td><td class="mdescRight">Typedef for <a class="el" href="structclingo__propagator.html#a666b871bab495a9e5904b6109c92feda">clingo_propagator::propagate()</a>. <br /></td></tr>
<tr class="separator:gae870d426cc8f9c3db7b5aabb958c5931"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga49f9e37e1d82d4f61a4a6e3d4b5664ea"><td class="memItemLeft" align="right" valign="top"><a id="ga49f9e37e1d82d4f61a4a6e3d4b5664ea"></a>
typedef void(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga49f9e37e1d82d4f61a4a6e3d4b5664ea">clingo_propagator_undo_callback_t</a>) (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> const *, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> const *, size_t, void *)</td></tr>
<tr class="memdesc:ga49f9e37e1d82d4f61a4a6e3d4b5664ea"><td class="mdescLeft"> </td><td class="mdescRight">Typedef for <a class="el" href="structclingo__propagator.html#a5d6b913592f2664af6abe4ed4146ef8a">clingo_propagator::undo()</a>. <br /></td></tr>
<tr class="separator:ga49f9e37e1d82d4f61a4a6e3d4b5664ea"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa1073f823a56901887b3c387481ce4be"><td class="memItemLeft" align="right" valign="top"><a id="gaa1073f823a56901887b3c387481ce4be"></a>
typedef bool(* </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaa1073f823a56901887b3c387481ce4be">clingo_propagator_check_callback_t</a>) (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *, void *)</td></tr>
<tr class="memdesc:gaa1073f823a56901887b3c387481ce4be"><td class="mdescLeft"> </td><td class="mdescRight">Typedef for <a class="el" href="structclingo__propagator.html#a3a883ef32f49030ae701550bbdbcf4a0">clingo_propagator::check()</a>. <br /></td></tr>
<tr class="separator:gaa1073f823a56901887b3c387481ce4be"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gacdbe981e495ad77765ba457eeeea517b"><td class="memItemLeft" align="right" valign="top">typedef struct <a class="el" href="structclingo__propagator.html">clingo_propagator</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gacdbe981e495ad77765ba457eeeea517b">clingo_propagator_t</a></td></tr>
<tr class="memdesc:gacdbe981e495ad77765ba457eeeea517b"><td class="mdescLeft"> </td><td class="mdescRight">An instance of this struct has to be registered with a solver to implement a custom propagator. <a href="group__Propagator.html#gacdbe981e495ad77765ba457eeeea517b">More...</a><br /></td></tr>
<tr class="separator:gacdbe981e495ad77765ba457eeeea517b"><td class="memSeparator" colspan="2"> </td></tr>
</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="enum-members"></a>
Enumerations</h2></td></tr>
<tr class="memitem:gac545027859304086eb5898b958908344"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gac545027859304086eb5898b958908344">clingo_propagator_check_mode_e</a> { <a class="el" href="group__Propagator.html#ggac545027859304086eb5898b958908344a4c6eae45ff39bc7aa2327316f7ca2e84">clingo_propagator_check_mode_none</a> = 0,
<a class="el" href="group__Propagator.html#ggac545027859304086eb5898b958908344ab1341dec2c650a029030c3da5d75af44">clingo_propagator_check_mode_total</a> = 1,
<a class="el" href="group__Propagator.html#ggac545027859304086eb5898b958908344aa161d549a95b92c1ebd985834f34deb6">clingo_propagator_check_mode_fixpoint</a> = 2,
<a class="el" href="group__Propagator.html#ggac545027859304086eb5898b958908344a0ad38faf5f0e3cea772beab9f2197095">clingo_propagator_check_mode_both</a> = 3
}</td></tr>
<tr class="memdesc:gac545027859304086eb5898b958908344"><td class="mdescLeft"> </td><td class="mdescRight">Supported check modes for propagators. <a href="group__Propagator.html#gac545027859304086eb5898b958908344">More...</a><br /></td></tr>
<tr class="separator:gac545027859304086eb5898b958908344"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gafd7a9975a29612113328f5912fcb0b9d"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gafd7a9975a29612113328f5912fcb0b9d">clingo_weight_constraint_type_e</a> { <a class="el" href="group__Propagator.html#ggafd7a9975a29612113328f5912fcb0b9daabacf78165100ec1db495fcd8ce77fcd">clingo_weight_constraint_type_implication_left</a> = -1,
<a class="el" href="group__Propagator.html#ggafd7a9975a29612113328f5912fcb0b9da0b8f7bc23cef691d9631c347a26ba74e">clingo_weight_constraint_type_implication_right</a> = 1,
<a class="el" href="group__Propagator.html#ggafd7a9975a29612113328f5912fcb0b9dacf29168d4f935b595f5af3f13438c6af">clingo_weight_constraint_type_equivalence</a> = 0
}</td></tr>
<tr class="memdesc:gafd7a9975a29612113328f5912fcb0b9d"><td class="mdescLeft"> </td><td class="mdescRight">Enumeration of weight_constraint_types. <a href="group__Propagator.html#gafd7a9975a29612113328f5912fcb0b9d">More...</a><br /></td></tr>
<tr class="separator:gafd7a9975a29612113328f5912fcb0b9d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac97452376bdf24c42dc27a5738445b35"><td class="memItemLeft" align="right" valign="top">enum  </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gac97452376bdf24c42dc27a5738445b35">clingo_clause_type_e</a> { <a class="el" href="group__Propagator.html#ggac97452376bdf24c42dc27a5738445b35a35c9cfe61e2130b0292866860218ee58">clingo_clause_type_learnt</a> = 0,
<a class="el" href="group__Propagator.html#ggac97452376bdf24c42dc27a5738445b35aa2c3713451094ee97afb514312822cbc">clingo_clause_type_static</a> = 1,
<a class="el" href="group__Propagator.html#ggac97452376bdf24c42dc27a5738445b35a685f2488ec3067d910c57b5c2fbdb96d">clingo_clause_type_volatile</a> = 2,
<a class="el" href="group__Propagator.html#ggac97452376bdf24c42dc27a5738445b35acbc856b61916be9757c7bd9f231f0c03">clingo_clause_type_volatile_static</a> = 3
}</td></tr>
<tr class="memdesc:gac97452376bdf24c42dc27a5738445b35"><td class="mdescLeft"> </td><td class="mdescRight">Enumeration of clause types determining the lifetime of a clause. <a href="group__Propagator.html#gac97452376bdf24c42dc27a5738445b35">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
Assignment Functions</h2></td></tr>
<tr class="memitem:ga378fa8f339ffedc13692a1610cf962f9"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga378fa8f339ffedc13692a1610cf962f9">clingo_assignment_decision_level</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment)</td></tr>
<tr class="memdesc:ga378fa8f339ffedc13692a1610cf962f9"><td class="mdescLeft"> </td><td class="mdescRight">Get the current decision level. <a href="group__Propagator.html#ga378fa8f339ffedc13692a1610cf962f9">More...</a><br /></td></tr>
<tr class="separator:ga378fa8f339ffedc13692a1610cf962f9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad225878cf6ea1b494baccf871d606b6a"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT uint32_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gad225878cf6ea1b494baccf871d606b6a">clingo_assignment_root_level</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment)</td></tr>
<tr class="memdesc:gad225878cf6ea1b494baccf871d606b6a"><td class="mdescLeft"> </td><td class="mdescRight">Get the current root level. <a href="group__Propagator.html#gad225878cf6ea1b494baccf871d606b6a">More...</a><br /></td></tr>
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<tr class="memitem:ga019edcae32eaf9b72d111b00fddb9264"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga019edcae32eaf9b72d111b00fddb9264">clingo_assignment_has_conflict</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment)</td></tr>
<tr class="memdesc:ga019edcae32eaf9b72d111b00fddb9264"><td class="mdescLeft"> </td><td class="mdescRight">Check if the given assignment is conflicting. <a href="group__Propagator.html#ga019edcae32eaf9b72d111b00fddb9264">More...</a><br /></td></tr>
<tr class="separator:ga019edcae32eaf9b72d111b00fddb9264"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gabda5683321ec5d07bead7c21ea363d7d"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gabda5683321ec5d07bead7c21ea363d7d">clingo_assignment_has_literal</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal)</td></tr>
<tr class="memdesc:gabda5683321ec5d07bead7c21ea363d7d"><td class="mdescLeft"> </td><td class="mdescRight">Check if the given literal is part of a (partial) assignment. <a href="group__Propagator.html#gabda5683321ec5d07bead7c21ea363d7d">More...</a><br /></td></tr>
<tr class="separator:gabda5683321ec5d07bead7c21ea363d7d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaddcb716ae16e7224083c8e03e71ef040"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaddcb716ae16e7224083c8e03e71ef040">clingo_assignment_level</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, uint32_t *level)</td></tr>
<tr class="memdesc:gaddcb716ae16e7224083c8e03e71ef040"><td class="mdescLeft"> </td><td class="mdescRight">Determine the decision level of a given literal. <a href="group__Propagator.html#gaddcb716ae16e7224083c8e03e71ef040">More...</a><br /></td></tr>
<tr class="separator:gaddcb716ae16e7224083c8e03e71ef040"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9382f9c554527337fc8ff722fc804e75"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga9382f9c554527337fc8ff722fc804e75">clingo_assignment_decision</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, uint32_t level, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> *literal)</td></tr>
<tr class="memdesc:ga9382f9c554527337fc8ff722fc804e75"><td class="mdescLeft"> </td><td class="mdescRight">Determine the decision literal given a decision level. <a href="group__Propagator.html#ga9382f9c554527337fc8ff722fc804e75">More...</a><br /></td></tr>
<tr class="separator:ga9382f9c554527337fc8ff722fc804e75"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0f54cc01b775e58aa24fa1ceee656c08"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga0f54cc01b775e58aa24fa1ceee656c08">clingo_assignment_is_fixed</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, bool *is_fixed)</td></tr>
<tr class="memdesc:ga0f54cc01b775e58aa24fa1ceee656c08"><td class="mdescLeft"> </td><td class="mdescRight">Check if a literal has a fixed truth value. <a href="group__Propagator.html#ga0f54cc01b775e58aa24fa1ceee656c08">More...</a><br /></td></tr>
<tr class="separator:ga0f54cc01b775e58aa24fa1ceee656c08"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaae735ac5781118da5ae57a29898dc790"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaae735ac5781118da5ae57a29898dc790">clingo_assignment_is_true</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, bool *is_true)</td></tr>
<tr class="memdesc:gaae735ac5781118da5ae57a29898dc790"><td class="mdescLeft"> </td><td class="mdescRight">Check if a literal is true. <a href="group__Propagator.html#gaae735ac5781118da5ae57a29898dc790">More...</a><br /></td></tr>
<tr class="separator:gaae735ac5781118da5ae57a29898dc790"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga5575332f0a83c94707f056f987b2a9a5"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga5575332f0a83c94707f056f987b2a9a5">clingo_assignment_is_false</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, bool *is_false)</td></tr>
<tr class="memdesc:ga5575332f0a83c94707f056f987b2a9a5"><td class="mdescLeft"> </td><td class="mdescRight">Check if a literal has a fixed truth value. <a href="group__Propagator.html#ga5575332f0a83c94707f056f987b2a9a5">More...</a><br /></td></tr>
<tr class="separator:ga5575332f0a83c94707f056f987b2a9a5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0a3ce77f8fcc8b72a29a0579be5f4baa"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga0a3ce77f8fcc8b72a29a0579be5f4baa">clingo_assignment_truth_value</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, <a class="el" href="group__BasicTypes.html#gaa0ab8583c1ef07fe6bc362277506b867">clingo_truth_value_t</a> *value)</td></tr>
<tr class="memdesc:ga0a3ce77f8fcc8b72a29a0579be5f4baa"><td class="mdescLeft"> </td><td class="mdescRight">Determine the truth value of a given literal. <a href="group__Propagator.html#ga0a3ce77f8fcc8b72a29a0579be5f4baa">More...</a><br /></td></tr>
<tr class="separator:ga0a3ce77f8fcc8b72a29a0579be5f4baa"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae34e609b6002633c632113d6a52f8a1d"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT size_t </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gae34e609b6002633c632113d6a52f8a1d">clingo_assignment_size</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment)</td></tr>
<tr class="memdesc:gae34e609b6002633c632113d6a52f8a1d"><td class="mdescLeft"> </td><td class="mdescRight">The number of (positive) literals in the assignment. <a href="group__Propagator.html#gae34e609b6002633c632113d6a52f8a1d">More...</a><br /></td></tr>
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<tr class="memitem:gab9e92065fde65ec0dbf38d16529d2041"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gab9e92065fde65ec0dbf38d16529d2041">clingo_assignment_at</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, size_t offset, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> *literal)</td></tr>
<tr class="memdesc:gab9e92065fde65ec0dbf38d16529d2041"><td class="mdescLeft"> </td><td class="mdescRight">The (positive) literal at the given offset in the assignment. <a href="group__Propagator.html#gab9e92065fde65ec0dbf38d16529d2041">More...</a><br /></td></tr>
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<tr class="memitem:gab4901fd3b0c2dbeda824f1b5463e8442"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gab4901fd3b0c2dbeda824f1b5463e8442">clingo_assignment_is_total</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment)</td></tr>
<tr class="memdesc:gab4901fd3b0c2dbeda824f1b5463e8442"><td class="mdescLeft"> </td><td class="mdescRight">Check if the assignment is total, i.e. <a href="group__Propagator.html#gab4901fd3b0c2dbeda824f1b5463e8442">More...</a><br /></td></tr>
<tr class="separator:gab4901fd3b0c2dbeda824f1b5463e8442"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga75f1c5df0d7d35b4031b025c91838e72"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga75f1c5df0d7d35b4031b025c91838e72">clingo_assignment_trail_size</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, uint32_t *size)</td></tr>
<tr class="memdesc:ga75f1c5df0d7d35b4031b025c91838e72"><td class="mdescLeft"> </td><td class="mdescRight">Returns the number of literals in the trail, i.e., the number of assigned literals. <a href="group__Propagator.html#ga75f1c5df0d7d35b4031b025c91838e72">More...</a><br /></td></tr>
<tr class="separator:ga75f1c5df0d7d35b4031b025c91838e72"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1de2abca62d68543e7392917e2f7a44c"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga1de2abca62d68543e7392917e2f7a44c">clingo_assignment_trail_begin</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, uint32_t level, uint32_t *offset)</td></tr>
<tr class="memdesc:ga1de2abca62d68543e7392917e2f7a44c"><td class="mdescLeft"> </td><td class="mdescRight">Returns the offset of the decision literal with the given decision level in the trail. <a href="group__Propagator.html#ga1de2abca62d68543e7392917e2f7a44c">More...</a><br /></td></tr>
<tr class="separator:ga1de2abca62d68543e7392917e2f7a44c"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga31232675dcde5a5504a2ec9b3c570172"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga31232675dcde5a5504a2ec9b3c570172">clingo_assignment_trail_end</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, uint32_t level, uint32_t *offset)</td></tr>
<tr class="memdesc:ga31232675dcde5a5504a2ec9b3c570172"><td class="mdescLeft"> </td><td class="mdescRight">Returns the offset following the last literal with the given decision level. <a href="group__Propagator.html#ga31232675dcde5a5504a2ec9b3c570172">More...</a><br /></td></tr>
<tr class="separator:ga31232675dcde5a5504a2ec9b3c570172"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga77b1cfc1ecb80a9d4620bb0c8d5e66e8"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga77b1cfc1ecb80a9d4620bb0c8d5e66e8">clingo_assignment_trail_at</a> (<a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const *assignment, uint32_t offset, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> *literal)</td></tr>
<tr class="memdesc:ga77b1cfc1ecb80a9d4620bb0c8d5e66e8"><td class="mdescLeft"> </td><td class="mdescRight">Returns the literal at the given position in the trail. <a href="group__Propagator.html#ga77b1cfc1ecb80a9d4620bb0c8d5e66e8">More...</a><br /></td></tr>
<tr class="separator:ga77b1cfc1ecb80a9d4620bb0c8d5e66e8"><td class="memSeparator" colspan="2"> </td></tr>
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Initialization Functions</h2></td></tr>
<tr class="memitem:ga1b325d856583443e9d3d0635034dc752"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga1b325d856583443e9d3d0635034dc752">clingo_propagate_init_solver_literal</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> const *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> aspif_literal, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> *solver_literal)</td></tr>
<tr class="memdesc:ga1b325d856583443e9d3d0635034dc752"><td class="mdescLeft"> </td><td class="mdescRight">Map the given program literal or condition id to its solver literal. <a href="group__Propagator.html#ga1b325d856583443e9d3d0635034dc752">More...</a><br /></td></tr>
<tr class="separator:ga1b325d856583443e9d3d0635034dc752"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab4a0f0767529ad000f5d80b56b74104f"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gab4a0f0767529ad000f5d80b56b74104f">clingo_propagate_init_add_watch</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> solver_literal)</td></tr>
<tr class="memdesc:gab4a0f0767529ad000f5d80b56b74104f"><td class="mdescLeft"> </td><td class="mdescRight">Add a watch for the solver literal in the given phase. <a href="group__Propagator.html#gab4a0f0767529ad000f5d80b56b74104f">More...</a><br /></td></tr>
<tr class="separator:gab4a0f0767529ad000f5d80b56b74104f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga55c988474c6f2f1cf8df60e8dde8c928"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga55c988474c6f2f1cf8df60e8dde8c928">clingo_propagate_init_add_watch_to_thread</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> solver_literal, <a class="el" href="group__BasicTypes.html#gac7aaf88deb591e91b94ff38aa1e3472e">clingo_id_t</a> thread_id)</td></tr>
<tr class="memdesc:ga55c988474c6f2f1cf8df60e8dde8c928"><td class="mdescLeft"> </td><td class="mdescRight">Add a watch for the solver literal in the given phase to the given solver thread. <a href="group__Propagator.html#ga55c988474c6f2f1cf8df60e8dde8c928">More...</a><br /></td></tr>
<tr class="separator:ga55c988474c6f2f1cf8df60e8dde8c928"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga92b4347772bee7fa7f37bb095f10f643"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga92b4347772bee7fa7f37bb095f10f643">clingo_propagate_init_remove_watch</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> solver_literal)</td></tr>
<tr class="memdesc:ga92b4347772bee7fa7f37bb095f10f643"><td class="mdescLeft"> </td><td class="mdescRight">Remove the watch for the solver literal in the given phase. <a href="group__Propagator.html#ga92b4347772bee7fa7f37bb095f10f643">More...</a><br /></td></tr>
<tr class="separator:ga92b4347772bee7fa7f37bb095f10f643"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab950d58bcc44b195dfbc7499d22587ff"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gab950d58bcc44b195dfbc7499d22587ff">clingo_propagate_init_remove_watch_from_thread</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> solver_literal, uint32_t thread_id)</td></tr>
<tr class="memdesc:gab950d58bcc44b195dfbc7499d22587ff"><td class="mdescLeft"> </td><td class="mdescRight">Remove the watch for the solver literal in the given phase from the given solver thread. <a href="group__Propagator.html#gab950d58bcc44b195dfbc7499d22587ff">More...</a><br /></td></tr>
<tr class="separator:gab950d58bcc44b195dfbc7499d22587ff"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gab9be6e659b27e1efd16b9d370f8dca06"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gab9be6e659b27e1efd16b9d370f8dca06">clingo_propagate_init_freeze_literal</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> solver_literal)</td></tr>
<tr class="memdesc:gab9be6e659b27e1efd16b9d370f8dca06"><td class="mdescLeft"> </td><td class="mdescRight">Freeze the given solver literal. <a href="group__Propagator.html#gab9be6e659b27e1efd16b9d370f8dca06">More...</a><br /></td></tr>
<tr class="separator:gab9be6e659b27e1efd16b9d370f8dca06"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga76ce46942604e4ecb7c9767783242b4f"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga76ce46942604e4ecb7c9767783242b4f">clingo_propagate_init_symbolic_atoms</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> const *init, <a class="el" href="group__SymbolicAtoms.html#ga48f4026c13a49553efce213e76ab32aa">clingo_symbolic_atoms_t</a> const **atoms)</td></tr>
<tr class="memdesc:ga76ce46942604e4ecb7c9767783242b4f"><td class="mdescLeft"> </td><td class="mdescRight">Get an object to inspect the symbolic atoms. <a href="group__Propagator.html#ga76ce46942604e4ecb7c9767783242b4f">More...</a><br /></td></tr>
<tr class="separator:ga76ce46942604e4ecb7c9767783242b4f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga24871ded808ca4d6bfc16f260e21c2c5"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga24871ded808ca4d6bfc16f260e21c2c5">clingo_propagate_init_theory_atoms</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> const *init, <a class="el" href="group__TheoryAtoms.html#gab49a73a85ca5a2448e2c7ddcdb489eeb">clingo_theory_atoms_t</a> const **atoms)</td></tr>
<tr class="memdesc:ga24871ded808ca4d6bfc16f260e21c2c5"><td class="mdescLeft"> </td><td class="mdescRight">Get an object to inspect the theory atoms. <a href="group__Propagator.html#ga24871ded808ca4d6bfc16f260e21c2c5">More...</a><br /></td></tr>
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<tr class="memitem:ga5740ec00a480691b25e306acd72fadea"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT int </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga5740ec00a480691b25e306acd72fadea">clingo_propagate_init_number_of_threads</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> const *init)</td></tr>
<tr class="memdesc:ga5740ec00a480691b25e306acd72fadea"><td class="mdescLeft"> </td><td class="mdescRight">Get the number of threads used in subsequent solving. <a href="group__Propagator.html#ga5740ec00a480691b25e306acd72fadea">More...</a><br /></td></tr>
<tr class="separator:ga5740ec00a480691b25e306acd72fadea"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa268d0dcfc313360d57b9164fea21074"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaa268d0dcfc313360d57b9164fea21074">clingo_propagate_init_set_check_mode</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__Propagator.html#ga84a31c95e48053589feecff95f00d894">clingo_propagator_check_mode_t</a> mode)</td></tr>
<tr class="memdesc:gaa268d0dcfc313360d57b9164fea21074"><td class="mdescLeft"> </td><td class="mdescRight">Configure when to call the check method of the propagator. <a href="group__Propagator.html#gaa268d0dcfc313360d57b9164fea21074">More...</a><br /></td></tr>
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<tr class="memitem:gadf752a1db754c2cc985c91fef964a6c7"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT <a class="el" href="group__Propagator.html#ga84a31c95e48053589feecff95f00d894">clingo_propagator_check_mode_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gadf752a1db754c2cc985c91fef964a6c7">clingo_propagate_init_get_check_mode</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> const *init)</td></tr>
<tr class="memdesc:gadf752a1db754c2cc985c91fef964a6c7"><td class="mdescLeft"> </td><td class="mdescRight">Get the current check mode of the propagator. <a href="group__Propagator.html#gadf752a1db754c2cc985c91fef964a6c7">More...</a><br /></td></tr>
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<tr class="memitem:gab924538a3ffa5af41d1888d57bf340a2"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT const <a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gab924538a3ffa5af41d1888d57bf340a2">clingo_propagate_init_assignment</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> const *init)</td></tr>
<tr class="memdesc:gab924538a3ffa5af41d1888d57bf340a2"><td class="mdescLeft"> </td><td class="mdescRight">Get the top level assignment solver. <a href="group__Propagator.html#gab924538a3ffa5af41d1888d57bf340a2">More...</a><br /></td></tr>
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<tr class="memitem:ga576007bcf5d0ed3cd585f440b5cb8b72"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga576007bcf5d0ed3cd585f440b5cb8b72">clingo_propagate_init_add_literal</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, bool freeze, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> *result)</td></tr>
<tr class="memdesc:ga576007bcf5d0ed3cd585f440b5cb8b72"><td class="mdescLeft"> </td><td class="mdescRight">Add a literal to the solver. <a href="group__Propagator.html#ga576007bcf5d0ed3cd585f440b5cb8b72">More...</a><br /></td></tr>
<tr class="separator:ga576007bcf5d0ed3cd585f440b5cb8b72"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf50e3821b1082c273db33f1c3f3e86f7"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaf50e3821b1082c273db33f1c3f3e86f7">clingo_propagate_init_add_clause</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> const *clause, size_t size, bool *result)</td></tr>
<tr class="memdesc:gaf50e3821b1082c273db33f1c3f3e86f7"><td class="mdescLeft"> </td><td class="mdescRight">Add the given clause to the solver. <a href="group__Propagator.html#gaf50e3821b1082c273db33f1c3f3e86f7">More...</a><br /></td></tr>
<tr class="separator:gaf50e3821b1082c273db33f1c3f3e86f7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaa8391243742361294019657b1d1af34e"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaa8391243742361294019657b1d1af34e">clingo_propagate_init_add_weight_constraint</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, <a class="el" href="group__BasicTypes.html#ga33e745a3827608ff66701f061b3c6a83">clingo_weighted_literal_t</a> const *literals, size_t size, <a class="el" href="group__BasicTypes.html#gaee5a30c2cd2c2b664a62bd81ecd5509f">clingo_weight_t</a> bound, <a class="el" href="group__Propagator.html#ga2aead2bec3850de40ef5febf71bce40d">clingo_weight_constraint_type_t</a> type, bool compare_equal, bool *result)</td></tr>
<tr class="memdesc:gaa8391243742361294019657b1d1af34e"><td class="mdescLeft"> </td><td class="mdescRight">Add the given weight constraint to the solver. <a href="group__Propagator.html#gaa8391243742361294019657b1d1af34e">More...</a><br /></td></tr>
<tr class="separator:gaa8391243742361294019657b1d1af34e"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae18e7e958126cacdcacc04803498b7a2"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gae18e7e958126cacdcacc04803498b7a2">clingo_propagate_init_add_minimize</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal, <a class="el" href="group__BasicTypes.html#gaee5a30c2cd2c2b664a62bd81ecd5509f">clingo_weight_t</a> weight, <a class="el" href="group__BasicTypes.html#gaee5a30c2cd2c2b664a62bd81ecd5509f">clingo_weight_t</a> priority)</td></tr>
<tr class="memdesc:gae18e7e958126cacdcacc04803498b7a2"><td class="mdescLeft"> </td><td class="mdescRight">Add the given literal to minimize to the solver. <a href="group__Propagator.html#gae18e7e958126cacdcacc04803498b7a2">More...</a><br /></td></tr>
<tr class="separator:gae18e7e958126cacdcacc04803498b7a2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga8cb6498cf6e88d0c0c7d8afeb7aeb2ab"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga8cb6498cf6e88d0c0c7d8afeb7aeb2ab">clingo_propagate_init_propagate</a> (<a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a> *init, bool *result)</td></tr>
<tr class="memdesc:ga8cb6498cf6e88d0c0c7d8afeb7aeb2ab"><td class="mdescLeft"> </td><td class="mdescRight">Propagates consequences of the underlying problem excluding registered propagators. <a href="group__Propagator.html#ga8cb6498cf6e88d0c0c7d8afeb7aeb2ab">More...</a><br /></td></tr>
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</table><table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
Propagation Functions</h2></td></tr>
<tr class="memitem:ga02df1c0442ea15d7c36237c692dbcb81"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT <a class="el" href="group__BasicTypes.html#gac7aaf88deb591e91b94ff38aa1e3472e">clingo_id_t</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga02df1c0442ea15d7c36237c692dbcb81">clingo_propagate_control_thread_id</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> const *control)</td></tr>
<tr class="memdesc:ga02df1c0442ea15d7c36237c692dbcb81"><td class="mdescLeft"> </td><td class="mdescRight">Get the id of the underlying solver thread. <a href="group__Propagator.html#ga02df1c0442ea15d7c36237c692dbcb81">More...</a><br /></td></tr>
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<tr class="memitem:gaa026253bb2246d0a44d33bb27aeeb140"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT const <a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#gaa026253bb2246d0a44d33bb27aeeb140">clingo_propagate_control_assignment</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> const *control)</td></tr>
<tr class="memdesc:gaa026253bb2246d0a44d33bb27aeeb140"><td class="mdescLeft"> </td><td class="mdescRight">Get the assignment associated with the underlying solver. <a href="group__Propagator.html#gaa026253bb2246d0a44d33bb27aeeb140">More...</a><br /></td></tr>
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<tr class="memitem:ga91744ae31c10565d85154330e2018709"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga91744ae31c10565d85154330e2018709">clingo_propagate_control_add_literal</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *control, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> *result)</td></tr>
<tr class="memdesc:ga91744ae31c10565d85154330e2018709"><td class="mdescLeft"> </td><td class="mdescRight">Adds a new volatile literal to the underlying solver thread. <a href="group__Propagator.html#ga91744ae31c10565d85154330e2018709">More...</a><br /></td></tr>
<tr class="separator:ga91744ae31c10565d85154330e2018709"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0d0af5f7f445bddfa1b262efd14150b0"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga0d0af5f7f445bddfa1b262efd14150b0">clingo_propagate_control_add_watch</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *control, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal)</td></tr>
<tr class="memdesc:ga0d0af5f7f445bddfa1b262efd14150b0"><td class="mdescLeft"> </td><td class="mdescRight">Add a watch for the solver literal in the given phase. <a href="group__Propagator.html#ga0d0af5f7f445bddfa1b262efd14150b0">More...</a><br /></td></tr>
<tr class="separator:ga0d0af5f7f445bddfa1b262efd14150b0"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0307d7b897f331a4f6d835517aaa94e1"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga0307d7b897f331a4f6d835517aaa94e1">clingo_propagate_control_has_watch</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> const *control, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal)</td></tr>
<tr class="memdesc:ga0307d7b897f331a4f6d835517aaa94e1"><td class="mdescLeft"> </td><td class="mdescRight">Check whether a literal is watched in the current solver thread. <a href="group__Propagator.html#ga0307d7b897f331a4f6d835517aaa94e1">More...</a><br /></td></tr>
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<tr class="memitem:ga5eafff7defcfda57dda6310b1cfcebb3"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT void </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga5eafff7defcfda57dda6310b1cfcebb3">clingo_propagate_control_remove_watch</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *control, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> literal)</td></tr>
<tr class="memdesc:ga5eafff7defcfda57dda6310b1cfcebb3"><td class="mdescLeft"> </td><td class="mdescRight">Removes the watch (if any) for the given solver literal. <a href="group__Propagator.html#ga5eafff7defcfda57dda6310b1cfcebb3">More...</a><br /></td></tr>
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<tr class="memitem:ga45c65882cf55edcf8782f2ce13d66e2b"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga45c65882cf55edcf8782f2ce13d66e2b">clingo_propagate_control_add_clause</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *control, <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> const *clause, size_t size, <a class="el" href="group__Propagator.html#gac68cd9a38909ef2d08376f4e9a6352dd">clingo_clause_type_t</a> type, bool *result)</td></tr>
<tr class="memdesc:ga45c65882cf55edcf8782f2ce13d66e2b"><td class="mdescLeft"> </td><td class="mdescRight">Add the given clause to the solver. <a href="group__Propagator.html#ga45c65882cf55edcf8782f2ce13d66e2b">More...</a><br /></td></tr>
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<tr class="memitem:ga1e5504a8332ed8c453197046d201cd4b"><td class="memItemLeft" align="right" valign="top">CLINGO_VISIBILITY_DEFAULT bool </td><td class="memItemRight" valign="bottom"><a class="el" href="group__Propagator.html#ga1e5504a8332ed8c453197046d201cd4b">clingo_propagate_control_propagate</a> (<a class="el" href="group__Propagator.html#ga1cf43bea08101abb8b8cc7711c4c7165">clingo_propagate_control_t</a> *control, bool *result)</td></tr>
<tr class="memdesc:ga1e5504a8332ed8c453197046d201cd4b"><td class="mdescLeft"> </td><td class="mdescRight">Propagate implied literals (resulting from added clauses). <a href="group__Propagator.html#ga1e5504a8332ed8c453197046d201cd4b">More...</a><br /></td></tr>
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<h2 class="groupheader">Typedef Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#ga6198e3190869e937ca7135e5314ddf26">◆ </a></span>clingo_assignment_t</h2>
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<td class="memname">typedef struct clingo_assignment <a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a></td>
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<p>Represents a (partial) assignment of a particular solver. </p>
<p>An assignment assigns truth values to a set of literals. A literal is assigned to either <a class="el" href="group__Propagator.html#ga0a3ce77f8fcc8b72a29a0579be5f4baa">true or false, or is unassigned</a>. Furthermore, each assigned literal is associated with a <a class="el" href="group__Propagator.html#gaddcb716ae16e7224083c8e03e71ef040">decision level</a>. There is exactly one <a class="el" href="group__Propagator.html#ga9382f9c554527337fc8ff722fc804e75">decision literal</a> for each decision level greater than zero. Assignments to all other literals on the same level are consequences implied by the current and possibly previous decisions. Assignments on level zero are immediate consequences of the current program. Decision levels are consecutive numbers starting with zero up to and including the <a class="el" href="group__Propagator.html#ga378fa8f339ffedc13692a1610cf962f9">current decision level</a>. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#ga640db8ba73adaddd5dbe50b572b77f25">◆ </a></span>clingo_propagate_init_t</h2>
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<td class="memname">typedef struct clingo_propagate_init <a class="el" href="group__Propagator.html#ga640db8ba73adaddd5dbe50b572b77f25">clingo_propagate_init_t</a></td>
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<p>Object to initialize a user-defined propagator before each solving step. </p>
<p>Each <a class="el" href="group__SymbolicAtoms.html">symbolic</a> or <a class="el" href="group__TheoryAtoms.html">theory atom</a> is uniquely associated with an aspif atom in form of a positive integer (<a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a>). Aspif literals additionally are signed to represent default negation. Furthermore, there are non-zero integer solver literals (also represented using <a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a>). There is a surjective mapping from program atoms to solver literals.</p>
<p>All methods called during propagation use solver literals whereas <a class="el" href="group__SymbolicAtoms.html#ga4a16d4ccabc8246f8d1f3a4660cc1aff" title="Returns the (numeric) aspif literal corresponding to the given symbolic atom.">clingo_symbolic_atoms_literal()</a> and <a class="el" href="group__TheoryAtoms.html#ga0bfb1cc3d9dd25aed1810549205ce5c7" title="Get the aspif literal associated with the given theory atom.">clingo_theory_atoms_atom_literal()</a> return program literals. The function <a class="el" href="group__Propagator.html#ga1b325d856583443e9d3d0635034dc752" title="Map the given program literal or condition id to its solver literal.">clingo_propagate_init_solver_literal()</a> can be used to map program literals or <a class="el" href="group__TheoryAtoms.html#ga282bdf5c416271c593be7c80bfdd3d17">condition ids</a> to solver literals. </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gacdbe981e495ad77765ba457eeeea517b">◆ </a></span>clingo_propagator_t</h2>
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<td class="memname">typedef struct <a class="el" href="structclingo__propagator.html">clingo_propagator</a> <a class="el" href="group__Propagator.html#gacdbe981e495ad77765ba457eeeea517b">clingo_propagator_t</a></td>
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<p>An instance of this struct has to be registered with a solver to implement a custom propagator. </p>
<p>Not all callbacks have to be implemented and can be set to NULL if not needed. </p><dl class="section see"><dt>See also</dt><dd><a class="el" href="group__Propagator.html" title="Extend the search with propagators for arbitrary theories.">Theory Propagation</a> </dd></dl>
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<h2 class="groupheader">Enumeration Type Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#gac97452376bdf24c42dc27a5738445b35">◆ </a></span>clingo_clause_type_e</h2>
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<td class="memname">enum <a class="el" href="group__Propagator.html#gac97452376bdf24c42dc27a5738445b35">clingo_clause_type_e</a></td>
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<p>Enumeration of clause types determining the lifetime of a clause. </p>
<p>Clauses in the solver are either cleaned up based on a configurable deletion policy or at the end of a solving step. The values of this enumeration determine if a clause is subject to one of the above deletion strategies. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ggac97452376bdf24c42dc27a5738445b35a35c9cfe61e2130b0292866860218ee58"></a>clingo_clause_type_learnt </td><td class="fielddoc"><p>clause is subject to the solvers deletion policy </p>
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<tr><td class="fieldname"><a id="ggac97452376bdf24c42dc27a5738445b35a685f2488ec3067d910c57b5c2fbdb96d"></a>clingo_clause_type_volatile </td><td class="fielddoc"><p>like <a class="el" href="group__Propagator.html#ggac97452376bdf24c42dc27a5738445b35a35c9cfe61e2130b0292866860218ee58" title="clause is subject to the solvers deletion policy">clingo_clause_type_learnt</a> but the clause is deleted after a solving step </p>
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<tr><td class="fieldname"><a id="ggac97452376bdf24c42dc27a5738445b35acbc856b61916be9757c7bd9f231f0c03"></a>clingo_clause_type_volatile_static </td><td class="fielddoc"><p>like <a class="el" href="group__Propagator.html#ggac97452376bdf24c42dc27a5738445b35aa2c3713451094ee97afb514312822cbc" title="clause is not subject to the solvers deletion policy">clingo_clause_type_static</a> but the clause is deleted after a solving step </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gac545027859304086eb5898b958908344">◆ </a></span>clingo_propagator_check_mode_e</h2>
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<td class="memname">enum <a class="el" href="group__Propagator.html#gac545027859304086eb5898b958908344">clingo_propagator_check_mode_e</a></td>
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<p>Supported check modes for propagators. </p>
<p>Note that total checks are subject to the lock when a model is found. This means that information from previously found models can be used to discard assignments in check calls. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ggac545027859304086eb5898b958908344a4c6eae45ff39bc7aa2327316f7ca2e84"></a>clingo_propagator_check_mode_none </td><td class="fielddoc"><p>do not call <a class="el" href="structclingo__propagator.html#a3a883ef32f49030ae701550bbdbcf4a0">clingo_propagator::check()</a> at all </p>
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<tr><td class="fieldname"><a id="ggac545027859304086eb5898b958908344ab1341dec2c650a029030c3da5d75af44"></a>clingo_propagator_check_mode_total </td><td class="fielddoc"><p>call <a class="el" href="structclingo__propagator.html#a3a883ef32f49030ae701550bbdbcf4a0">clingo_propagator::check()</a> on total assignments </p>
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<tr><td class="fieldname"><a id="ggac545027859304086eb5898b958908344aa161d549a95b92c1ebd985834f34deb6"></a>clingo_propagator_check_mode_fixpoint </td><td class="fielddoc"><p>call <a class="el" href="structclingo__propagator.html#a3a883ef32f49030ae701550bbdbcf4a0">clingo_propagator::check()</a> on propagation fixpoints </p>
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<tr><td class="fieldname"><a id="ggac545027859304086eb5898b958908344a0ad38faf5f0e3cea772beab9f2197095"></a>clingo_propagator_check_mode_both </td><td class="fielddoc"><p>call <a class="el" href="structclingo__propagator.html#a3a883ef32f49030ae701550bbdbcf4a0">clingo_propagator::check()</a> on propagation fixpoints and total assignments </p>
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<h2 class="memtitle"><span class="permalink"><a href="#gafd7a9975a29612113328f5912fcb0b9d">◆ </a></span>clingo_weight_constraint_type_e</h2>
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<td class="memname">enum <a class="el" href="group__Propagator.html#gafd7a9975a29612113328f5912fcb0b9d">clingo_weight_constraint_type_e</a></td>
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<p>Enumeration of weight_constraint_types. </p>
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<tr><th colspan="2">Enumerator</th></tr><tr><td class="fieldname"><a id="ggafd7a9975a29612113328f5912fcb0b9daabacf78165100ec1db495fcd8ce77fcd"></a>clingo_weight_constraint_type_implication_left </td><td class="fielddoc"><p>the weight constraint implies the literal </p>
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<tr><td class="fieldname"><a id="ggafd7a9975a29612113328f5912fcb0b9da0b8f7bc23cef691d9631c347a26ba74e"></a>clingo_weight_constraint_type_implication_right </td><td class="fielddoc"><p>the literal implies the weight constraint </p>
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<h2 class="groupheader">Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#gab9e92065fde65ec0dbf38d16529d2041">◆ </a></span>clingo_assignment_at()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_at </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> * </td>
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<p>The (positive) literal at the given offset in the assignment. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>the offset of the literal </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">literal</td><td>the literal </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga9382f9c554527337fc8ff722fc804e75">◆ </a></span>clingo_assignment_decision()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_decision </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
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<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> * </td>
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<p>Determine the decision literal given a decision level. </p>
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<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>the level </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">literal</td><td>the resulting literal </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga378fa8f339ffedc13692a1610cf962f9">◆ </a></span>clingo_assignment_decision_level()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT uint32_t clingo_assignment_decision_level </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
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<p>Get the current decision level. </p>
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<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>the decision level </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga019edcae32eaf9b72d111b00fddb9264">◆ </a></span>clingo_assignment_has_conflict()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_has_conflict </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
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<p>Check if the given assignment is conflicting. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>whether the assignment is conflicting </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gabda5683321ec5d07bead7c21ea363d7d">◆ </a></span>clingo_assignment_has_literal()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_has_literal </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
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<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> </td>
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<p>Check if the given literal is part of a (partial) assignment. </p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">literal</td><td>the literal </td></tr>
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<dl class="section return"><dt>Returns</dt><dd>whether the literal is valid </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga5575332f0a83c94707f056f987b2a9a5">◆ </a></span>clingo_assignment_is_false()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_is_false </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> </td>
<td class="paramname"><em>literal</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool * </td>
<td class="paramname"><em>is_false</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Check if a literal has a fixed truth value. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">literal</td><td>the literal </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">is_false</td><td>whether the literal is false </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__Propagator.html#ga0a3ce77f8fcc8b72a29a0579be5f4baa" title="Determine the truth value of a given literal.">clingo_assignment_truth_value()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga0f54cc01b775e58aa24fa1ceee656c08">◆ </a></span>clingo_assignment_is_fixed()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_is_fixed </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> </td>
<td class="paramname"><em>literal</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool * </td>
<td class="paramname"><em>is_fixed</em> </td>
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<td></td>
<td>)</td>
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<p>Check if a literal has a fixed truth value. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">literal</td><td>the literal </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">is_fixed</td><td>whether the literal is fixed </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
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<a id="gab4901fd3b0c2dbeda824f1b5463e8442"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gab4901fd3b0c2dbeda824f1b5463e8442">◆ </a></span>clingo_assignment_is_total()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_is_total </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em></td><td>)</td>
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<p>Check if the assignment is total, i.e. </p>
<p>there are no free literal.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>wheather the assignment is total </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaae735ac5781118da5ae57a29898dc790">◆ </a></span>clingo_assignment_is_true()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_is_true </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> </td>
<td class="paramname"><em>literal</em>, </td>
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<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">bool * </td>
<td class="paramname"><em>is_true</em> </td>
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<tr>
<td></td>
<td>)</td>
<td></td><td></td>
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<p>Check if a literal is true. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">literal</td><td>the literal </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">is_true</td><td>whether the literal is true </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
<dl class="section see"><dt>See also</dt><dd><a class="el" href="group__Propagator.html#ga0a3ce77f8fcc8b72a29a0579be5f4baa" title="Determine the truth value of a given literal.">clingo_assignment_truth_value()</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gaddcb716ae16e7224083c8e03e71ef040">◆ </a></span>clingo_assignment_level()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_level </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> </td>
<td class="paramname"><em>literal</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>level</em> </td>
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<p>Determine the decision level of a given literal. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">literal</td><td>the literal </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">level</td><td>the resulting level </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
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<a id="gad225878cf6ea1b494baccf871d606b6a"></a>
<h2 class="memtitle"><span class="permalink"><a href="#gad225878cf6ea1b494baccf871d606b6a">◆ </a></span>clingo_assignment_root_level()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT uint32_t clingo_assignment_root_level </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em></td><td>)</td>
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<p>Get the current root level. </p>
<p>Decisions levels smaller or equal to the root level are not backtracked during solving.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target assignment </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the decision level </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#gae34e609b6002633c632113d6a52f8a1d">◆ </a></span>clingo_assignment_size()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT size_t clingo_assignment_size </td>
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<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em></td><td>)</td>
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<p>The number of (positive) literals in the assignment. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>the number of literals </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga77b1cfc1ecb80a9d4620bb0c8d5e66e8">◆ </a></span>clingo_assignment_trail_at()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_trail_at </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>offset</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__BasicTypes.html#gaa95dd19334e536397bbad174c8fa4ff8">clingo_literal_t</a> * </td>
<td class="paramname"><em>literal</em> </td>
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<p>Returns the literal at the given position in the trail. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">offset</td><td>the offset of the literal </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">literal</td><td>the literal </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ga1de2abca62d68543e7392917e2f7a44c">◆ </a></span>clingo_assignment_trail_begin()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_trail_begin </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>level</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>offset</em> </td>
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<td></td>
<td>)</td>
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<p>Returns the offset of the decision literal with the given decision level in the trail. </p>
<dl class="section note"><dt>Note</dt><dd>Literals in the trail are ordered by decision levels, where the first literal with a larger level than the previous literals is a decision; the following literals with same level are implied by this decision literal. Each decision level up to and including the current decision level has a valid offset in the trail.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>the decision level </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">offset</td><td>the offset of the decision literal </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>
</div>
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<h2 class="memtitle"><span class="permalink"><a href="#ga31232675dcde5a5504a2ec9b3c570172">◆ </a></span>clingo_assignment_trail_end()</h2>
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<td class="memname">CLINGO_VISIBILITY_DEFAULT bool clingo_assignment_trail_end </td>
<td>(</td>
<td class="paramtype"><a class="el" href="group__Propagator.html#ga6198e3190869e937ca7135e5314ddf26">clingo_assignment_t</a> const * </td>
<td class="paramname"><em>assignment</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t </td>
<td class="paramname"><em>level</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">uint32_t * </td>
<td class="paramname"><em>offset</em> </td>
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<td></td>
<td>)</td>
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<p>Returns the offset following the last literal with the given decision level. </p>
<dl class="section note"><dt>Note</dt><dd>This function is the counter part to <a class="el" href="group__Propagator.html#ga1de2abca62d68543e7392917e2f7a44c" title="Returns the offset of the decision literal with the given decision level in the trail.">clingo_assignment_trail_begin()</a>.</dd></dl>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramdir">[in]</td><td class="paramname">assignment</td><td>the target </td></tr>
<tr><td class="paramdir">[in]</td><td class="paramname">level</td><td>the decision level </td></tr>
<tr><td class="paramdir">[out]</td><td class="paramname">offset</td><td>the offset </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>whether the call was successful </dd></dl>