/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ #define __FP_SIGNBIT 0x0200 int __signbitf (float x); typedef union __mingw_flt_type_t { float x; unsigned int val; } __mingw_flt_type_t; int __signbitf (float x) { #if defined(__x86_64__) || defined(_AMD64_) || defined(__arm__) || defined(_ARM_) || defined(__aarch64__) || defined(_ARM64_) __mingw_flt_type_t hlp; hlp.x = x; return ((hlp.val & 0x80000000) != 0); #elif defined(__i386__) || defined(_X86_) unsigned short sw; __asm__ __volatile__ ("fxam; fstsw %%ax;" : "=a" (sw) : "t" (x) ); return (sw & __FP_SIGNBIT) != 0; #endif } int __attribute__ ((alias ("__signbitf"))) signbitf (float);