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glibc  2.9
s_cacosl.c File Reference
#include <complex.h>
#include <math.h>
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__complex__ long double __cacosl (__complex__ long double x)

Function Documentation

__complex__ long double __cacosl ( __complex__ long double  x)

Definition at line 25 of file s_cacosl.c.

  __complex__ long double y;
  __complex__ long double res;

  y = __casinl (x);

  __real__ res = M_PI_2l - __real__ y;
  __imag__ res = -__imag__ y;

  return res;

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