Answers for "logarithmic functions with complex numbers in c/c++"

logarithmic functions with complex numbers in c/c++

#include "stdafx.h"
#include "calc.h"

void complex_log(double a, double b) {
	if (b == 0 && a > 0) {
		resultR = ln(a);
		resultI = 0;
	}
	else {
		if (a >= mINF && a <= INF && b >= mINF && b <= INF) {
			resultR = 0; resultI = 0;
			resultR = ln(pot(pot(a, 2.0, 1) + pot(b, 2.0, 1), 0.5, 1));
			resultI = atan2(b, a);
		}
		else {
			if (rasf > 0) {
				printf("\nError in function domain.\n\n ==> For complex natural logarithm function the valid domain is [-INF, INF].\n\n");
				printf(" ==> Your function argument: ");
				complexNumber(a, b);
			}
		}
	}
}

double ln(double z) {
	double result1 = 0;
	result1 = log10(z) / log10(M_E);
	return result1;
}