/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the w64 mingw-runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ #include int __isnanf (float _x) { unsigned short _sw; __asm__ __volatile__ ("fxam;" "fstsw %%ax": "=a" (_sw) : "t" (_x) ); return (_sw & (FP_NAN | FP_NORMAL | FP_INFINITE | FP_ZERO | FP_SUBNORMAL)) == FP_NAN; } int __attribute__ ((alias ("__isnanf"))) isnanf (float);