diff --git a/.travis.yml b/.travis.yml
index d1b2e005ba..131d5ba133 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -27,395 +27,151 @@ matrix:
     - env: BOGUS_JOB=true
 
   include:
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: bionic
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE="quadrature include=/usr/include/eigen3"
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-            - libeigen3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: bionic
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE="quadrature include=/usr/include/eigen3"
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-            - libeigen3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: bionic
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE="quadrature include=/usr/include/eigen3"
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-            - libeigen3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: bionic
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE="quadrature include=/usr/include/eigen3"
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-            - libeigen3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: bionic
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE="quadrature include=/usr/include/eigen3"
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-            - libeigen3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-6
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=special_fun
+      dist: bionic
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE="quadrature include=/usr/include/eigen3"
       addons:
         apt:
           packages:
-            - g++-5
+            - g++-6
             - libgmp-dev
             - libmpfr-dev
             - libfftw3-dev
+            - libeigen3-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=distribution_tests
+      dist: bionic
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE="quadrature include=/usr/include/eigen3"
       addons:
         apt:
           packages:
-            - g++-5
+            - g++-6
             - libgmp-dev
             - libmpfr-dev
             - libfftw3-dev
+            - libeigen3-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=misc
+      dist: bionic
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE="quadrature include=/usr/include/eigen3"
       addons:
         apt:
           packages:
-            - g++-5
+            - g++-6
             - libgmp-dev
             - libmpfr-dev
             - libfftw3-dev
+            - libeigen3-dev
           sources:
             - ubuntu-toolchain-r-test
 
     - os: linux
       dist: bionic
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE="quadrature include=/usr/include/eigen3"
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE="quadrature include=/usr/include/eigen3"
       addons:
         apt:
           packages:
-            - g++-5
+            - g++-6
             - libgmp-dev
             - libmpfr-dev
             - libfftw3-dev
@@ -424,31 +180,238 @@ matrix:
             - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=float128_tests
+      dist: bionic
+      env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE="quadrature include=/usr/include/eigen3"
       addons:
         apt:
           packages:
-            - g++-5
+            - g++-6
             - libgmp-dev
             - libmpfr-dev
             - libfftw3-dev
+            - libeigen3-dev
           sources:
             - ubuntu-toolchain-r-test
 
-    - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-5
-            - libgmp-dev
-            - libmpfr-dev
-            - libfftw3-dev
-          sources:
-            - ubuntu-toolchain-r-test
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++03 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++11 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++14 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=gnu++14 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-6 CXXSTD=c++1z TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-6
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-5
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-5
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=misc
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-5
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
 
     - os: linux
-      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=../tools
+      dist: bionic
+      env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE="quadrature include=/usr/include/eigen3"
       addons:
         apt:
           packages:
@@ -456,41 +419,78 @@ matrix:
             - libgmp-dev
             - libmpfr-dev
             - libfftw3-dev
+            - libeigen3-dev
           sources:
             - ubuntu-toolchain-r-test
 
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=misc
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-5
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-5
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   env: TOOLSET=gcc COMPILER=g++-5 CXXSTD=c++14 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-5
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #         - libfftw3-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=misc
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
 
     - os: linux
       dist: bionic
@@ -504,73 +504,73 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-8
-            - libgmp-dev
-            - libmpfr-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=misc
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=c++14 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=misc
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
 
     - os: linux
       dist: bionic
@@ -584,62 +584,62 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-8
-            - libgmp-dev
-            - libmpfr-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++03 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
 
     - os: linux
       dist: bionic
@@ -653,73 +653,73 @@ matrix:
           sources:
             - ubuntu-toolchain-r-test
 
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=float128_tests
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - g++-8
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      dist: trusty
-      compiler: g++-8
-      env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - g++-8
-            - libgmp-dev
-            - libmpfr-dev
-          sources:
-            - ubuntu-toolchain-r-test
-
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=special_fun
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
-
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=distribution_tests
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
-
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=misc
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=float128_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   dist: trusty
+    #   compiler: g++-8
+    #   env: TOOLSET=gcc COMPILER=g++-8 CXXSTD=gnu++17 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - g++-8
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+
+    # - os: linux
+    #   compiler: clang++-6.0
+    #   env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=special_fun
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - clang-6.0
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+    #         - llvm-toolchain-xenial-6.0
+
+    # - os: linux
+    #   compiler: clang++-6.0
+    #   env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=distribution_tests
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - clang-6.0
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+    #         - llvm-toolchain-xenial-6.0
+
+    # - os: linux
+    #   compiler: clang++-6.0
+    #   env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=misc
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - clang-6.0
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+    #         - llvm-toolchain-xenial-6.0
 
     - os: linux
       dist: bionic
@@ -734,41 +734,41 @@ matrix:
             - ubuntu-toolchain-r-test
             - llvm-toolchain-xenial-6.0
 
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=../example//examples
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
-
-    - os: linux
-      compiler: clang++-6.0
-      env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=../tools
-      addons:
-        apt:
-          packages:
-            - clang-6.0
-            - libgmp-dev
-            - libmpfr-dev
-          sources:
-            - ubuntu-toolchain-r-test
-            - llvm-toolchain-xenial-6.0
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=special_fun
-      osx_image: xcode11
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=distribution_tests
-      osx_image: xcode11
-
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=misc
-      osx_image: xcode11
+    # - os: linux
+    #   compiler: clang++-6.0
+    #   env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=../example//examples
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - clang-6.0
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+    #         - llvm-toolchain-xenial-6.0
+
+    # - os: linux
+    #   compiler: clang++-6.0
+    #   env: TOOLSET=clang COMPILER=clang++-6.0 CXXSTD=c++11 TEST_SUITE=../tools
+    #   addons:
+    #     apt:
+    #       packages:
+    #         - clang-6.0
+    #         - libgmp-dev
+    #         - libmpfr-dev
+    #       sources:
+    #         - ubuntu-toolchain-r-test
+    #         - llvm-toolchain-xenial-6.0
+
+    # - os: osx
+    #   env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=special_fun
+    #   osx_image: xcode11
+
+    # - os: osx
+    #   env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=distribution_tests
+    #   osx_image: xcode11
+
+    # - os: osx
+    #   env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=misc
+    #   osx_image: xcode11
 
     - os: osx
       env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE="quadrature include=/usr/local/include/eigen3"
@@ -778,13 +778,13 @@ matrix:
           packages:
             eigen
 
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=float128_tests
-      osx_image: xcode11
+    # - os: osx
+    #   env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=float128_tests
+    #   osx_image: xcode11
 
-    - os: osx
-      env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=../example//examples
-      osx_image: xcode11
+    # - os: osx
+    #   env: TOOLSET=clang COMPILER=clang++ CXXSTD=c++14 TEST_SUITE=../example//examples
+    #   osx_image: xcode11
 
 
 install:
diff --git a/include/boost/math/differentiation/autodiff_eigen.hpp b/include/boost/math/differentiation/autodiff_eigen.hpp
new file mode 100644
index 0000000000..1c7c44f977
--- /dev/null
+++ b/include/boost/math/differentiation/autodiff_eigen.hpp
@@ -0,0 +1,59 @@
+#ifndef BOOST_MATH_DIFFERENTIATION_AUTODIFF_EIGEN_HPP
+#define BOOST_MATH_DIFFERENTIATION_AUTODIFF_EIGEN_HPP
+
+#include <Eigen/Core>
+#include <boost/math/differentiation/autodiff.hpp>
+
+namespace Eigen {
+template <typename RealType, size_t Order>
+struct NumTraits<boost::math::differentiation::autodiff_v1::detail::
+                     template fvar<RealType, Order>> : NumTraits<RealType> {
+  using fvar =
+      boost::math::differentiation::autodiff_v1::detail::template fvar<RealType,
+                                                                       Order>;
+
+  enum {
+    RequireInitialization = 1,
+    ReadCost = 1,
+    AddCost = 16,
+    MulCost = 16,
+  };
+};
+
+template <typename RealType, size_t Order, typename BinaryOp, typename A>
+struct ScalarBinaryOpTraits<boost::math::differentiation::autodiff_v1::detail::
+                                template fvar<RealType, Order>,
+                            A, BinaryOp> {
+  typedef boost::math::differentiation::autodiff_v1::detail::template fvar<
+      RealType, Order>
+      ReturnType;
+};
+
+template <typename RealType, size_t Order, typename BinaryOp, typename A>
+struct ScalarBinaryOpTraits<A,
+                            boost::math::differentiation::autodiff_v1::detail::
+                                template fvar<RealType, Order>,
+                            BinaryOp> {
+  typedef boost::math::differentiation::autodiff_v1::detail::template fvar<
+      RealType, Order>
+      ReturnType;
+};
+
+template <typename RealType, size_t Order, typename RealType2, size_t Order2,
+          typename BinaryOp>
+struct ScalarBinaryOpTraits<
+    boost::math::differentiation::autodiff_v1::detail::template fvar<RealType,
+                                                                     Order>,
+    boost::math::differentiation::autodiff_v1::detail::template fvar<RealType2,
+                                                                     Order2>,
+    BinaryOp> {
+  typedef ScalarBinaryOpTraits<RealType, RealType2, BinaryOp>::ReturnType
+      RealReturn;
+  const size_t ReturnOrder = (Order > Order2) ? Order : Order2;
+  typedef boost::math::differentiation::autodiff_v1::detail::template fvar<
+      RealReturn, ReturnOrder>
+      ReturnType;
+}
+}  // namespace Eigen
+
+#endif  // BOOST_MATH_DIFFERENTIATION_AUTODIFF_EIGEN_HPP