JOGL v2.6.0-rc-20250712
JOGL, High-Performance Graphics Binding for Java™ (public API).
TestBinary32NOUI.java
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1/**
2 * Copyright 2013 JogAmp Community. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without modification, are
5 * permitted provided that the following conditions are met:
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14 * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
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27 */
28
29package com.jogamp.opengl.test.junit.math;
30
31import org.junit.Assert;
32import org.junit.Test;
33
34import com.jogamp.junit.util.JunitTracer;
35import com.jogamp.math.Binary32;
36
37public class TestBinary32NOUI extends JunitTracer
38{
39 @SuppressWarnings("static-method") @Test public void testInfinityExponent()
40 {
41 Assert.assertEquals(
42 128,
43 Binary32.unpackGetExponentUnbiased(Float.POSITIVE_INFINITY));
44 }
45
46 @SuppressWarnings("static-method") @Test public
47 void
49 {
50 Assert.assertEquals(
51 128,
52 Binary32.unpackGetExponentUnbiased(Float.NEGATIVE_INFINITY));
53 }
54
55 @SuppressWarnings("static-method") @Test public
56 void
58 {
59 Assert.assertEquals(1, Binary32.unpackGetSign(Float.NEGATIVE_INFINITY));
60 }
61
62 @SuppressWarnings("static-method") @Test public
63 void
65 {
66 Assert.assertEquals(
67 0,
68 Binary32.unpackGetSignificand(Float.NEGATIVE_INFINITY));
69 }
70
71 @SuppressWarnings("static-method") @Test public void testInfinitySign()
72 {
73 Assert.assertEquals(0, Binary32.unpackGetSign(Float.POSITIVE_INFINITY));
74 }
75
76 @SuppressWarnings("static-method") @Test public
77 void
79 {
80 Assert.assertEquals(
81 0,
82 Binary32.unpackGetSignificand(Float.POSITIVE_INFINITY));
83 }
84
85 @SuppressWarnings("static-method") @Test public void testNaNExponent()
86 {
87 Assert.assertEquals(128, Binary32.unpackGetExponentUnbiased(Float.NaN));
88 }
89
90 @SuppressWarnings("static-method") @Test public void testNaNSignificand()
91 {
92 Assert.assertTrue(Binary32.unpackGetSignificand(Float.NaN) > 0);
93 }
94}
Functions for interrogating binary32 (float) values.
Definition: Binary32.java:36
static int unpackGetSign(final float d)
Definition: Binary32.java:97
static int unpackGetExponentUnbiased(final float d)
Definition: Binary32.java:82
static int unpackGetSignificand(final float d)
Definition: Binary32.java:110