llvm/llvm-project
Voir sur GitHub[libc][math] Add missing isnan variants for float16, bfloat16, and float128
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#195 400 ouverte le 2 mai 2026
good first issuelibc
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Description
The current implementations of isnan are limited to float, double, and long double. We should add support for the remaining types (float16, bfloat16, and float128).
Additionally, the existing implementations currently rely on __builtin_isnan. I think refactoring them to use fputil would be better, especially since issignaling already uses fputil.