libf2c/libF77/c_sin.c


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#include "f2c.h"

#undef abs
#include "math.h"

void c_sin(complex *r, complex *z)
{
	double zi = z->i, zr = z->r;
	r->r = sin(zr) * cosh(zi);
	r->i = cos(zr) * sinh(zi);
	}