//
// Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// rational.cfa -- test rational number package
//
// Author           : Peter A. Buhr
// Created On       : Mon Mar 28 08:43:12 2016
// Last Modified By : Peter A. Buhr
// Last Modified On : Sat Feb  8 18:46:23 2020
// Update Count     : 86
//

#include <rational.hfa>
#include <limits.hfa>
#include <stdlib.hfa>
#include <fstream.hfa>

typedef Rational(int) RatInt;
double convert( int i ) { return (double)i; }			// used by narrow/widen
int convert( double d ) { return (int)d; }

int main() {
	sout | "constructor";
	RatInt a = { 3 }, b = { 4 }, c, d = 0, e = 1;
	sout | a | b | c | d | e;

	a = (RatInt){ 4, 8 };
	b = (RatInt){ 5, 7 };
	sout | a | b;
	a = (RatInt){ -2, -3 };
	b = (RatInt){ 3, -2 };
	sout | a | b;
	a = (RatInt){ -2, 3 };
	b = (RatInt){ 3, 2 };
	sout | a | b;

	sout | "logical";
	a = (RatInt){ -2 };
	b = (RatInt){ -3, 2 };
	sout | a | b;
//	sout | a == 1; // FIX ME
	sout | a != b;
	sout | a <  b;
	sout | a <= b;
	sout | a >  b;
	sout | a >= b;

	sout | "arithmetic";
	sout | a | b;
	sout | a + b;
	sout | a - b;
	sout | a * b;
	sout | a / b;
//	sout | a \ 2 | b \ 2; // FIX ME
//	sout | a \ -2 | b \ -2;

	sout | "conversion";
	a = (RatInt){ 3, 4 };
	sout | widen( a );
	a = (RatInt){ 1, 7 };
	sout | widen( a );
	a = (RatInt){ 355, 113 };
	sout | widen( a );
	sout | narrow( 0.75, 4 );
	sout | narrow( 0.14285714285714, 16 );
	sout | narrow( 3.14159265358979, 256 );

	sout | "decompose";
	int n, d;
//	[n, d] = a;
//	sout | a | n | d;

	sout | "more tests";
	RatInt x = { 1, 2 }, y = { 2 };
	sout | x - y;
	sout | x > y;
	sout | x | numerator( x, 2 ) | x;
	sout | y | denominator( y, -2 ) | y;

	RatInt z = { 0, 5 };
	sout | z;

	sout | x | numerator( x, 0 ) | x;

	x = (RatInt){ 1, MAX } + (RatInt){ 1, MAX };
	sout | x;
	x = (RatInt){ 3, MAX } + (RatInt){ 2, MAX };
	sout | x;

	sin | a | b;
	sout | a | b;
} // main

// Local Variables: //
// tab-width: 4 //
// compile-command: "cfa rational.cfa" //
// End: //