/*
 * Compile commandline: cc -std=gnu99 -Wall -Wextra -Os -o tva tva.c
 * Source code: https://04d.co/dl/software/tva.c
 * License: public domain
 */

#include <stdio.h>

float tva(float x, float y)
{
	return x * y;
}

int main(void)
{
	float inVal, valEUR;
	printf("TVA calculator v0.1\n\n");

	printf("EUR value: ");
	if(scanf("%f", &valEUR) != 1)
	{
		printf("Input is not int or float\n");
		return 1;
	}

	do
	{
		printf("TVA> ");
		if(scanf("%f", &inVal) != 1)
		{
			printf("Input is not int or float\n");
			return 1;
		}
		printf("TVA A (19%%): %.2f RON\n", tva(inVal, 0.19));
		printf("TVA B (9%%):  %.2f RON\n", tva(inVal, 0.09));
		printf("TVA C (5%%):  %.2f RON\n", tva(inVal, 0.05));
		printf("Converted:   %.2f EUR\n\n", inVal / valEUR);
	} while(1);
}