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path: root/src/complex/casinh.c
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#include "libm.h"

/* asinh(z) = -i asin(i z) */

double complex casinh(double complex z)
{
	z = casin(CMPLX(-cimag(z), creal(z)));
	return CMPLX(cimag(z), -creal(z));
}