[GiNaC-devel] Compilation with MinGW on Windows

[Vladimir V. Kisil]

	Dear All,

	I am compiling GiNaC v1.8.6 on Windows using MinGW from Qt
  distribution pack. The compilation stopped with the error:

factor.cpp:2397:75: error: ambiguous overload for 'operator=' (operand types are 'GiNaC::numeric' and 'long long unsigned int')
 2397 |                 ctx.modulus = (ctx.vnlst.size() > 3) ? ctx.vnlst.size() : 3;
      |                                                                           ^

  I was able to finish the compilation by replacing the line with:
                 ctx.modulus = (ctx.vnlst.size() > 3) ? ctx.vnlst.size() : numeric(3);  

  Just in case I am attaching this as patch.

  Best wishes,
  Vladimir
-- 
Vladimir V. Kisil                 http://www1.maths.leeds.ac.uk/~kisilv/
  Book:      Geometry of Mobius Maps       https://doi.org/10.1142/p835
  Soft:      Geometry of cycles         http://moebinv.sourceforge.net/
  Jupyter notebooks:        https://github.com/vvkisil?tab=repositories

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