3e3744d37e
The template version of complex::proj returns its argument without testing for infinities, and that's all we have when neither C99 complex nor C99 math functions are available, and it seems too hard to do better without isinf and copysign. I suppose just calling them and expecting users will supply specializations as needed has been ruled out, and so has refraining from defining it when it can't be implemented correctly. It's pointless to run the proj.cc test under these circumstances, so arrange for it to be skipped. In an unusual way, after trying to introduce dg-require tests for ccomplex-or-cmath, and found their results to be misleading due to variations across -std=* versions. for libstdc++-v3/ChangeLog * testsuite/26_numerics/complex/proj.cc: Skip test in the circumstances in which the implementation of proj is known to be broken. |
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