shithub: fractals

ref: c52df87d07198a3140227a03a9ddddddd418777a
dir: /complex.c/

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#include <u.h>
#include <libc.h>
#include "complex.h"

Complex
cadd(Complex *a, Complex *b)
{
	Complex r;
	r.r = a->r + b->r;
	r.i = a->i + b->i;
	return r;
}

Complex
cmul(Complex *a, Complex *b)
{
	Complex r;
	r.r = a->r*b->r - a->i*b->i;
	r.i = a->r*b->i + a->i*b->r;
	return r;
}

Complex
cpow2(Complex *a)
{
	return cmul(a, a);
}