polyline_simplification examples gives run time errors

[haluk-pointr]

Issue Details

When I try to run the simplify_polygon and simplify_polyline examples I have a run time error which is:

CGAL error: assertion violation!
Expression : n >= 2
File       : /opt/homebrew/include/CGAL/Constrained_triangulation_plus_2.h
Line       : 615
Explanation:
Refer to the bug-reporting instructions at https://www.cgal.org/bug_report.html
libc++abi: terminating due to uncaught exception of type CGAL::Assertion_exception: CGAL ERROR: assertion violation!
Expr: n >= 2
File: /opt/homebrew/include/CGAL/Constrained_triangulation_plus_2.h
Line: 615
zsh: abort      ./simplify_polygon

Source Code

Issue can be seen in "CGAL-5.6/examples/Polyline_simplification_2/simplify_polygon.cpp" line 23.

Environment

• Operating system (Windows/Mac/Linux, 32/64 bits): MacOS Ventura 13.5.2
• Compiler:
• Release or debug mode:
• Specific flags used (if any):
• CGAL version: 5.6 installed with brew.
• Boost version: 1.83.0
• Other libraries versions if used (Eigen, TBB, etc.):

[gdamiand]

simplify_polygon reads the input file given in the command line arguments, or use data/polygon.wkt if there is no argument.
This file is probably not available from the current directory where you run ./simplify_polygon.