/* * __isinff(x) returns 1 if x is +-infinity, else 0; * Added by Cygnus Support. */ #include "fdlibm.h" int _DEFUN (__isinff, (x), float x) { __int32_t ix; GET_FLOAT_WORD(ix,x); ix &= 0x7fffffff; return FLT_UWORD_IS_INFINITE(ix); } #ifdef _DOUBLE_IS_32BITS int _DEFUN (__isinfd, (x), double x) { return __isinff((float) x); } #endif /* defined(_DOUBLE_IS_32BITS) */