github.com/richardwilkes/toolbox@v1.121.0/xmath/fixed/f64/fraction_test.go (about)

     1  // Copyright (c) 2016-2024 by Richard A. Wilkes. All rights reserved.
     2  //
     3  // This Source Code Form is subject to the terms of the Mozilla Public
     4  // License, version 2.0. If a copy of the MPL was not distributed with
     5  // this file, You can obtain one at http://mozilla.org/MPL/2.0/.
     6  //
     7  // This Source Code Form is "Incompatible With Secondary Licenses", as
     8  // defined by the Mozilla Public License, version 2.0.
     9  
    10  package f64_test
    11  
    12  import (
    13  	"testing"
    14  
    15  	"github.com/richardwilkes/toolbox/check"
    16  	"github.com/richardwilkes/toolbox/xmath/fixed"
    17  	"github.com/richardwilkes/toolbox/xmath/fixed/f64"
    18  )
    19  
    20  func TestFraction(t *testing.T) {
    21  	check.Equal(t, f64.FromStringForced[fixed.D4]("0.3333"), f64.NewFraction[fixed.D4]("1/3").Value())
    22  	check.Equal(t, f64.FromStringForced[fixed.D4]("0.3333"), f64.NewFraction[fixed.D4]("1 / 3").Value())
    23  	check.Equal(t, f64.FromStringForced[fixed.D4]("0.3333"), f64.NewFraction[fixed.D4]("-1/-3").Value())
    24  	check.Equal(t, f64.From[fixed.D4, int](0), f64.NewFraction[fixed.D4]("5/0").Value())
    25  	check.Equal(t, f64.From[fixed.D4, int](5), f64.NewFraction[fixed.D4]("5/1").Value())
    26  	check.Equal(t, f64.From[fixed.D4, int](-5), f64.NewFraction[fixed.D4]("-5/1").Value())
    27  	check.Equal(t, f64.From[fixed.D4, int](-5), f64.NewFraction[fixed.D4]("5/-1").Value())
    28  }