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double complex cacos(double complex z);

description of cacos

compute the complex arc cosine of z
with branch cuts outside the interval (from -1 to +1) along the real axis.

#include <stdio.h>
#include <complex.h>
int main( void )
   long double complex zlong=4.2 + I*2.34;
   double complex zdouble=(double complex)zlong;
   double result;
   result = cacos(zdouble);
   printf("cacos(%f + I*%f) = %f\n", creal(zdouble), cimag(zdouble), result);
   return 0;

output of cacos c example

  cacos(4.200000 + I*2.340000) = 0.517664
c/complex.h/cacos.txt · Last modified: 2013/02/04 00:39 by

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