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lightning-sunbird  0.9+nobinonly
w_atan2.c File Reference
#include "fdlibm.h"

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double fd_atan2 (double y, double x)

Function Documentation

double fd_atan2 ( double  y,
double  x 

Definition at line 63 of file w_atan2.c.

#ifdef _IEEE_LIBM
       return __ieee754_atan2(y,x);
       double z;
       z = __ieee754_atan2(y,x);
       if(_LIB_VERSION == _IEEE_||fd_isnan(x)||fd_isnan(y)) return z;
       if(x==0.0&&y==0.0) {
        int err;
        return __kernel_standard(y,x,3,&err); /* atan2(+-0,+-0) */
       } else
           return z;

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