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flatsurf / flatsurf

Translation Surfaces in C++/Python
GNU General Public License v3.0
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template resolution failure when creating flat triangulation from combinatorial (Python) #143

Open videlec opened 4 years ago

videlec commented 4 years ago 
>>> from pyflatsurf import flatsurf
>>> import cppyy.gbl
>>> from gmpxxyy import mpq
>>> vert = cppyy.gbl.std.vector[int]([1,-3,2,-1,3,-2])
>>> F = cppyy.gbl.flatsurf.FlatTriangulationCombinatorial([vert])
>>> hols = [(1,0), (0,1), (-1,-1)]
>>> hols = cppyy.gbl.vector[flatsurf.Vector[mpq]]([flatsurf.Vector[mpq](x,y) for x,y in hols])
>>> cppyy.gbl.flatsurf.makeFlatTriangulation([vert], hols)  # works
FlatTriangulationCombinatorial(vertices = (1, -3, 2, -1, 3, -2), faces = (1, 2, 3)(-1, -2, -3)) with vectors 1: (1, 0), 2: (0, 1), 3: (-1, -1)
>>> cppyy.gbl.flatsurf.makeFlatTriangulation(F, hols)  # fails
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
TypeError: Template method resolution failed:
  shared_ptr<flatsurf::FlatTriangulation<__gmp_expr<__mpq_struct[1],__mpq_struct[1]> > > flatsurf::makeFlatTriangulation(const vector<vector<int> >& vertices, const vector<flatsurf::Vector<__gmp_expr<__mpq_struct[1],__mpq_struct[1]> > >& vectors) =>
    TypeError: could not convert argument 1
  Failed to instantiate "makeFlatTriangulation(flatsurf::FlatTriangulationCombinatorial&,std::vector<flatsurf::Vector<__gmp_expr<__mpq_struct[1],__mpq_struct[1]> > >&)"
  Failed to instantiate "makeFlatTriangulation(flatsurf::FlatTriangulationCombinatorial*,std::vector<flatsurf::Vector<__gmp_expr<__mpq_struct[1],__mpq_struct[1]> > >*)"
  Failed to instantiate "makeFlatTriangulation(flatsurf::FlatTriangulationCombinatorial,std::vector<flatsurf::Vector<__gmp_expr<__mpq_struct[1],__mpq_struct[1]> > >)"
saraedum commented 4 years ago

This was not really supposed to work so I wouldn't call it a bug. But it would certainly be a very good addition, I agree.