Arithmetic.c

// Jevin Olano
// jolano
// CSE 101
// November 9, 2019
// Arithmetic.c

#include <stdio.h>
#include <stdlib.h>
#include "List.h"
#include "BigInteger.h"

int main(int argc, char* argv[]) {

	// Declarations -------------------------------------

  	FILE *in, *out; // handlers for input/output files
  	char line[256];
	int sizeA = 0;
  	int sizeB = 0;
  	char* stringA = 0;
  	char* stringB = 0;

	// Preliminary --------------------------------------

	// check command line for correct number of arguments
	if (argc != 3) {
		printf("Usage: %s <input> <output>\n", argv[0]);
		exit(1);
	}

	// open input file for reading
	in = fopen(argv[1], "r");
	if (in == NULL) {
		printf("Unable to read from file %s\n", argv[1]);
    	exit(1);
	}

  	// open output file for writing
  	out = fopen(argv[2], "w");
  	if (out == NULL) {
    	printf("Unable to write to file %s\n", argv[2]);
    	exit(1);
  	}

  	// Arithmetic Operations ----------------------------

  	fgets(line, sizeof(line), in); // first line of input
  	sscanf(line, "%d", &sizeA);
  	fgets(line, sizeof(line), in); // second line of input
  	sscanf(line, "%s", &stringA);
  	fgets(line, sizeof(line), in); // third line of input
  	sscanf(line, "%d", &sizeB);
  	fgets(line, sizeof(line), in); // fourth line of input
  	sscanf(line, "%s", &stringB);

  	BigInteger A = stringToBigInteger(stringA);
  	BigInteger B = stringToBigInteger(stringB);

  	// print A
  	BigInteger answer1 = A;
  	printBigInteger(answer1);
  	freeBigInteger(answer1);
  	fprintf(out, "\n");

  	// print B
  	BigInteger answer2 = B;
  	printBigInteger(answer2);
  	freeBigInteger(answer2);
  	fprintf(out, "\n");

  	// print A + B
  	BigInteger answer3 = sum(A, B);
  	printBigInteger(answer3);
  	free(&answer3)
  	fprintf(out, "\n");

  	// print A - B
  	BigInteger answer4 = diff(A, B);
  	printBigInteger(answer4);
  	free(&answer4)
  	fprintf(out, "\n");

  	// print A - A
  	BigInteger answer5 = diff(A, A);
  	printBigInteger(answer5);
  	freeBigInteger(&answer5);
  	fprintf(out, "\n");

  	// print 3A - 2B
  	BigInteger three = stringToBigInteger("3");
  	BigInteger two = stringToBigInteger("2");
  	BigInteger prodA = prod(A, three);
  	BigInteger prodB = prod(B, two);
  	BigInteger answer6 = diff(prodA, prodB);
  	printBigInteger(answer6);
  	freeBigInteger(&three);
  	freeBigInteger(&two);
  	freeBigInteger(&prodA);
  	freeBigInteger(&prodB);
  	freeBigInteger(&answer6);
  	fprintf(out, "\n");

  	// print AB
  	BigInteger answer7 = prod(A, B);
  	printBigInteger(answer7);
  	free(&answer7);
  	fprintf(out, "\n");

  	// 𝐴,𝐵,𝐴+𝐵,𝐴−𝐵,𝐴−𝐴,3𝐴−2𝐵,𝐴𝐵,𝐴2,𝐵2,9𝐴4 +16𝐵5

  	// print A^2
  	BigInteger answer8 = prod(A, A);
  	printBigInteger(answer8);
  	fprintf(out, "\n");

  	// print B^2
  	BigInteger answer9 = prod(B, B);
  	printBigInteger(answer9);
  	fprintf(out, "\n");

  	// print 9A^4 + 16B^5
  	BigInteger fourthPower1 = prod(answer8, answer8);
  	BigInteger fourthPower2 = prod(answer9, answer9);
  	BigInteger fifthPower = prod(answer9, B);
  	BigInteger nine = stringToBigInteger("9");
  	BigInteger sixteen = stringToBigInteger("16");
  	BigInteger partA = prod(fourthPower1, nine);
  	BigInteger partB = prod(fifthPower, sixteen);
  	BigInteger answer10 = sum(partA, partB);
  	printBigInteger(answer10);
  	freeBigInteger(&answer8);
  	freeBigInteger(&answer9);
  	freeBigInteger(&fourthPower1);
  	freeBigInteger(&fourthPower2);
  	freeBigInteger(&fifthPower);
  	freeBigInteger(&nine);
  	freeBigInteger(&sixteen);
  	freeBigInteger(&partA);
  	freeBigInteger(&partB);
  	freeBigInteger(&answer10);
  	fprintf(out, "\n");

}