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cexpl.c

/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the w64 mingw-runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
/*
   cexpl.c
   Contributed by Danny Smith
   2005-01-04
*/

#include <math.h>
#include <complex.h>

/* cexp (x + I * y) = exp (x) * cos (y) + I * exp (x) * sin (y) */

long double complex cexpl (long double complex Z)
{
  long double complex  Res;
  long double rho = expl (__real__ Z);
  __real__ Res = rho * cosl(__imag__ Z);
  __imag__ Res = rho * sinl(__imag__ Z);
  return Res;
}

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