C program to find roots of a quadratic equation.txt

/* C program to find roots of a quadratic equation */
#include <math.h>
#include <stdio.h>
#include <stdlib.h>


void findRoots(int a, int b, int c)
{
	if (a == 0) {
		printf("Invalid");
		return;
	}

	int d = b * b - 4 * a * c;
	double sqrt_val = sqrt(abs(d));

	if (d > 0) {
		printf("Roots are real and different \n");
		printf("%f\n%f", (double)(-b + sqrt_val) / (2 * a),
			(double)(-b - sqrt_val) / (2 * a));
	}
	else if (d == 0) {
		printf("Roots are real and same \n");
		printf("%f", -(double)b / (2 * a));
	}
	else // d < 0
	{
		printf("Roots are complex \n");
		printf("%f + i%f\n%f - i%f", -(double)b / (2 * a),
			sqrt_val/(2 * a), -(double)b / (2 * a), sqrt_val/(2 * a);
	}
}

// Driver code
int main()
{
	int a = 1, b = -7, c = 12;

	// Function call
	findRoots(a, b, c);
	return 0;
}