/* @(#)z_ispos.c 1.0 98/08/13 */ /****************************************************************** * Numtest * * Input: * x - pointer to a floating point value * * Output: * An integer that indicates if the number is positive. * * Description: * This routine returns an integer that indicates if the number * passed in is positive (1) or negative (0). * *****************************************************************/ #include "fdlibm.h" #include "zmath.h" #ifndef _DOUBLE_IS_32BITS int ispos (double x) { __uint32_t hx; GET_HIGH_WORD (hx, x); if (hx & 0x80000000) return (0); else return (1); } #endif /* _DOUBLE_IS_32BITS */