source: tests/rational.cfa @ 2fbc904

//
// 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: //