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glibc  2.9
Functions
w_atan2l.c File Reference
#include <math.h>
#include "math_private.h"
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Functions

long double __atan2l (long double y, long double x)

Function Documentation

long double __atan2l ( long double  y,
long double  x 
)

Definition at line 32 of file w_atan2l.c.

{
#ifdef _IEEE_LIBM
       return __ieee754_atan2l(y,x);
#else
       long double z;
       z = __ieee754_atan2l(y,x);
       if(_LIB_VERSION != _SVID_||__isnanl(x)||__isnanl(y)) return z;
       if(x==0.0&&y==0.0)
         return __kernel_standard(y,x,203); /* atan2(+-0,+-0) */
       return z;
#endif
}

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