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authorMark Raynsford <[email protected]>2013-10-31 01:07:48 +0000
committerMark Raynsford <[email protected]>2013-10-31 01:07:48 +0000
commitbca7777fa507a509f413c6dc8919bab641fe0d15 (patch)
treeed5a73e0734d6d1a938083927efe9538697c56de /src/test/com
parentd2690939b46a91b346bdd2d4ce750ddb0d2136fd (diff)
Add functions for converting to and from binary16 half-precision floating point values. Derived from http://mvn.io7m.com/ieee754b16, of which I am the original author.
Diffstat (limited to 'src/test/com')
-rw-r--r--src/test/com/jogamp/opengl/test/junit/jogl/math/Binary16Test.java685
-rw-r--r--src/test/com/jogamp/opengl/test/junit/jogl/math/Binary32Test.java93
-rw-r--r--src/test/com/jogamp/opengl/test/junit/jogl/math/Binary64Test.java93
3 files changed, 871 insertions, 0 deletions
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary16Test.java b/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary16Test.java
new file mode 100644
index 000000000..d9e84eeab
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary16Test.java
@@ -0,0 +1,685 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opengl.test.junit.jogl.math;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.opengl.math.Binary16;
+
+public final class Binary16Test
+{
+ /**
+ * Exponents in the range [-15, 16] are encoded and decoded correctly.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testExponentIdentity()
+ {
+ System.out.println("-- Exponent identities");
+ for (int e = -15; e <= 16; ++e) {
+ final char p = Binary16.packSetExponentUnbiasedUnchecked(e);
+ final int u = Binary16.unpackGetExponentUnbiased(p);
+ System.out.println("e: " + e);
+ System.out.println("p: " + Integer.toHexString(p));
+ System.out.println("u: " + u);
+ Assert.assertEquals(e, u);
+ }
+ }
+
+ /**
+ * Infinities are infinite.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testInfinite()
+ {
+ Assert.assertTrue(Binary16.isInfinite(Binary16.POSITIVE_INFINITY));
+ Assert.assertTrue(Binary16.isInfinite(Binary16.NEGATIVE_INFINITY));
+ Assert.assertFalse(Binary16.isInfinite(Binary16.exampleNaN()));
+
+ for (int i = 0; i <= 65535; ++i) {
+ Assert.assertFalse(Binary16.isInfinite(Binary16.packDouble(i)));
+ }
+ }
+
+ /**
+ * The unencoded exponent of infinity is 16.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testInfinityExponent()
+ {
+ Assert.assertEquals(
+ 16,
+ Binary16.unpackGetExponentUnbiased(Binary16.POSITIVE_INFINITY));
+ }
+
+ /**
+ * The unencoded exponent of infinity is 16.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeExponent()
+ {
+ Assert.assertEquals(
+ 16,
+ Binary16.unpackGetExponentUnbiased(Binary16.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * The sign of negative infinity is 1.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeSign()
+ {
+ Assert
+ .assertEquals(1, Binary16.unpackGetSign(Binary16.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * The significand of infinity is 0.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeSignificand()
+ {
+ Assert.assertEquals(
+ 0,
+ Binary16.unpackGetSignificand(Binary16.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * The sign of positive infinity is 0.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testInfinitySign()
+ {
+ Assert
+ .assertEquals(0, Binary16.unpackGetSign(Binary16.POSITIVE_INFINITY));
+ }
+
+ /**
+ * The significand of infinity is 0.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinitySignificand()
+ {
+ Assert.assertEquals(
+ 0,
+ Binary16.unpackGetSignificand(Binary16.POSITIVE_INFINITY));
+ }
+
+ /**
+ * NaN is NaN.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testNaN()
+ {
+ final int n =
+ Binary16.packSetExponentUnbiasedUnchecked(16)
+ | Binary16.packSetSignificandUnchecked(1);
+ final char c = (char) n;
+ Assert.assertEquals(16, Binary16.unpackGetExponentUnbiased(c));
+ Assert.assertEquals(1, Binary16.unpackGetSignificand(c));
+ Assert.assertEquals(
+ 16,
+ Binary16.unpackGetExponentUnbiased(Binary16.exampleNaN()));
+ Assert.assertEquals(
+ 1,
+ Binary16.unpackGetSignificand(Binary16.exampleNaN()));
+ Assert.assertTrue(Binary16.isNaN(c));
+ Assert.assertTrue(Binary16.isNaN(Binary16.exampleNaN()));
+ }
+
+ /**
+ * Packing NaN results in NaN.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testPackDoubleNaN()
+ {
+ final double k = Double.NaN;
+ final char r = Binary16.packDouble(k);
+ Assert.assertTrue(Binary16.isNaN(r));
+ }
+
+ /**
+ * Packing negative infinity results in negative infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackDoubleNegativeInfinity()
+ {
+ Assert.assertTrue(Binary16.NEGATIVE_INFINITY == Binary16
+ .packDouble(Double.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * Packing negative zero results in negative zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackDoubleNegativeZero()
+ {
+ Assert.assertTrue(Binary16.NEGATIVE_ZERO == Binary16.packDouble(-0.0));
+ }
+
+ /**
+ * Packing positive infinity results in positive infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackDoublePositiveInfinity()
+ {
+ Assert.assertTrue(Binary16.POSITIVE_INFINITY == Binary16
+ .packDouble(Double.POSITIVE_INFINITY));
+ }
+
+ /**
+ * Packing positive zero results in positive zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackDoublePositiveZero()
+ {
+ Assert.assertTrue(Binary16.POSITIVE_ZERO == Binary16.packDouble(0.0));
+ }
+
+ /**
+ * Integers in the range [0, 65520] should be representable.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testPackDoubleUnpackFloat()
+ {
+ for (int i = 0; i <= 65536; ++i) {
+ final double in = i;
+ final char packed = Binary16.packDouble(in);
+ final float r = Binary16.unpackFloat(packed);
+ System.out.println(String.format(
+ "packed: 0x%04x 0b%s in: %f unpacked: %f",
+ (int) packed,
+ Binary16.toRawBinaryString(packed),
+ in,
+ r));
+
+ if (i <= 2048) {
+ Assert.assertEquals(in, r, 0.0);
+ }
+ if ((i > 2048) && (i <= 4096)) {
+ Assert.assertTrue((r % 2) == 0);
+ }
+ if ((i > 4096) && (i <= 8192)) {
+ Assert.assertTrue((r % 4) == 0);
+ }
+ if ((i > 8192) && (i <= 16384)) {
+ Assert.assertTrue((r % 8) == 0);
+ }
+ if ((i > 16384) && (i <= 32768)) {
+ Assert.assertTrue((r % 16) == 0);
+ }
+ if ((i > 32768) && (i < 65536)) {
+ Assert.assertTrue((r % 32) == 0);
+ }
+ if (i == 65536) {
+ Assert.assertTrue(Double.isInfinite(r));
+ }
+ }
+ }
+
+ /**
+ * Integers in the range [0, 65520] should be representable.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testPackFloatDoubleEquivalent()
+ {
+ for (int i = 0; i <= 65536; ++i) {
+ final float f_in = i;
+ final double d_in = i;
+ final char pf = Binary16.packFloat(f_in);
+ final char pd = Binary16.packDouble(d_in);
+
+ System.out.println("i: " + i);
+ System.out.println(String.format(
+ "pack_f: 0x%04x 0b%s",
+ (int) pf,
+ Binary16.toRawBinaryString(pf)));
+ System.out.println(String.format(
+ "pack_d: 0x%04x 0b%s",
+ (int) pd,
+ Binary16.toRawBinaryString(pd)));
+
+ Assert.assertEquals(pf, pd);
+ }
+ }
+
+ /**
+ * Packing NaN results in NaN.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testPackFloatNaN()
+ {
+ final float k = Float.NaN;
+ final char r = Binary16.packFloat(k);
+ Assert.assertTrue(Binary16.isNaN(r));
+ }
+
+ /**
+ * Packing negative infinity results in negative infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackFloatNegativeInfinity()
+ {
+ Assert.assertTrue(Binary16.NEGATIVE_INFINITY == Binary16
+ .packFloat(Float.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * Packing negative zero results in negative zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackFloatNegativeZero()
+ {
+ Assert.assertTrue(Binary16.NEGATIVE_ZERO == Binary16.packFloat(-0.0f));
+ }
+
+ /**
+ * Packing positive infinity results in positive infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackFloatPositiveInfinity()
+ {
+ Assert.assertTrue(Binary16.POSITIVE_INFINITY == Binary16
+ .packFloat(Float.POSITIVE_INFINITY));
+ }
+
+ /**
+ * Packing positive zero results in positive zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testPackFloatPositiveZero()
+ {
+ Assert.assertTrue(Binary16.POSITIVE_ZERO == Binary16.packFloat(0.0f));
+ }
+
+ /**
+ * Integers in the range [0, 65520] should be representable.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testPackFloatUnpackDouble()
+ {
+ for (int i = 0; i <= 65536; ++i) {
+ final float in = i;
+ final char packed = Binary16.packFloat(in);
+ final double r = Binary16.unpackDouble(packed);
+ System.out.println(String.format(
+ "packed: 0x%04x 0b%s in: %f unpacked: %f",
+ (int) packed,
+ Binary16.toRawBinaryString(packed),
+ in,
+ r));
+
+ if (i <= 2048) {
+ Assert.assertEquals(in, r, 0.0);
+ }
+ if ((i > 2048) && (i <= 4096)) {
+ Assert.assertTrue((r % 2) == 0);
+ }
+ if ((i > 4096) && (i <= 8192)) {
+ Assert.assertTrue((r % 4) == 0);
+ }
+ if ((i > 8192) && (i <= 16384)) {
+ Assert.assertTrue((r % 8) == 0);
+ }
+ if ((i > 16384) && (i <= 32768)) {
+ Assert.assertTrue((r % 16) == 0);
+ }
+ if ((i > 32768) && (i < 65536)) {
+ Assert.assertTrue((r % 32) == 0);
+ }
+ if (i == 65536) {
+ Assert.assertTrue(Double.isInfinite(r));
+ }
+ }
+ }
+
+ /**
+ * Integers in the range [0, 65520] should be representable.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testPackUnpackDouble()
+ {
+ for (int i = 0; i <= 65536; ++i) {
+ final double in = i;
+ final char packed = Binary16.packDouble(in);
+ final double r = Binary16.unpackDouble(packed);
+ System.out.println(String.format(
+ "packed: 0x%04x 0b%s in: %f unpacked: %f",
+ (int) packed,
+ Binary16.toRawBinaryString(packed),
+ in,
+ r));
+
+ if (i <= 2048) {
+ Assert.assertEquals(in, r, 0.0);
+ }
+ if ((i > 2048) && (i <= 4096)) {
+ Assert.assertTrue((r % 2) == 0);
+ }
+ if ((i > 4096) && (i <= 8192)) {
+ Assert.assertTrue((r % 4) == 0);
+ }
+ if ((i > 8192) && (i <= 16384)) {
+ Assert.assertTrue((r % 8) == 0);
+ }
+ if ((i > 16384) && (i <= 32768)) {
+ Assert.assertTrue((r % 16) == 0);
+ }
+ if ((i > 32768) && (i < 65536)) {
+ Assert.assertTrue((r % 32) == 0);
+ }
+ if (i == 65536) {
+ Assert.assertTrue(Double.isInfinite(r));
+ }
+ }
+ }
+
+ /**
+ * Integers in the range [0, 65520] should be representable.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testPackUnpackFloat()
+ {
+ for (int i = 0; i <= 65536; ++i) {
+ final float in = i;
+ final char packed = Binary16.packFloat(in);
+ final float r = Binary16.unpackFloat(packed);
+ System.out.println(String.format(
+ "packed: 0x%04x 0b%s in: %f unpacked: %f",
+ (int) packed,
+ Binary16.toRawBinaryString(packed),
+ in,
+ r));
+ if (i <= 2048) {
+ Assert.assertEquals(in, r, 0.0);
+ }
+ if ((i > 2048) && (i <= 4096)) {
+ Assert.assertTrue((r % 2) == 0);
+ }
+ if ((i > 4096) && (i <= 8192)) {
+ Assert.assertTrue((r % 4) == 0);
+ }
+ if ((i > 8192) && (i <= 16384)) {
+ Assert.assertTrue((r % 8) == 0);
+ }
+ if ((i > 16384) && (i <= 32768)) {
+ Assert.assertTrue((r % 16) == 0);
+ }
+ if ((i > 32768) && (i < 65536)) {
+ Assert.assertTrue((r % 32) == 0);
+ }
+ if (i == 65536) {
+ Assert.assertTrue(Float.isInfinite(r));
+ }
+ }
+ }
+
+ /**
+ * Signs in the range [0, 1] are encoded and decoded correctly.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testSignIdentity()
+ {
+ System.out.println("-- Sign identities");
+ for (int e = 0; e <= 1; ++e) {
+ final char p = Binary16.packSetSignUnchecked(e);
+ final int u = Binary16.unpackGetSign(p);
+ System.out.println("e: " + e);
+ System.out.println("p: " + Integer.toHexString(p));
+ System.out.println("u: " + u);
+ Assert.assertEquals(e, u);
+ }
+ }
+
+ /**
+ * Significands in the range [0, 1023] are encoded and decoded correctly.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testSignificandIdentity()
+ {
+ System.out.println("-- Significand identities");
+ for (int e = 0; e <= 1023; ++e) {
+ final char p = Binary16.packSetSignificandUnchecked(e);
+ final int u = Binary16.unpackGetSignificand(p);
+ System.out.println("e: " + e);
+ System.out.println("p: " + Integer.toHexString(p));
+ System.out.println("u: " + u);
+ Assert.assertEquals(e, u);
+ }
+ }
+
+ /**
+ * Unpacking NaN results in NaN.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testUnpackDoubleNaN()
+ {
+ final double k = Binary16.unpackDouble(Binary16.exampleNaN());
+ Assert.assertTrue(Double.isNaN(k));
+ }
+
+ /**
+ * Unpacking negative infinity results in negative infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testUnpackDoubleNegativeInfinity()
+ {
+ Assert.assertTrue(Double.NEGATIVE_INFINITY == Binary16
+ .unpackDouble(Binary16.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * Unpacking negative zero results in negative zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testUnpackDoubleNegativeZero()
+ {
+ Assert.assertTrue(-0.0 == Binary16.unpackDouble(Binary16.NEGATIVE_ZERO));
+ }
+
+ /**
+ * Unpacking 1.0 results in 1.0.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testUnpackDoubleOne()
+ {
+ final char one = 0x3C00;
+ final double r = Binary16.unpackDouble(one);
+ System.out.println(String.format("0x%04x -> %f", (int) one, r));
+ Assert.assertEquals(r, 1.0, 0.0);
+ }
+
+ /**
+ * Unpacking -1.0 results in -1.0.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testUnpackDoubleOneNegative()
+ {
+ final char one = 0xBC00;
+ final double r = Binary16.unpackDouble(one);
+ System.out.println(String.format("0x%04x -> %f", (int) one, r));
+ Assert.assertEquals(r, -1.0, 0.0);
+ }
+
+ /**
+ * Unpacking positive infinity results in positive infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testUnpackDoublePositiveInfinity()
+ {
+ Assert.assertTrue(Double.POSITIVE_INFINITY == Binary16
+ .unpackDouble(Binary16.POSITIVE_INFINITY));
+ }
+
+ /**
+ * Unpacking positive zero results in positive zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testUnpackDoublePositiveZero()
+ {
+ Assert.assertTrue(0.0 == Binary16.unpackDouble(Binary16.POSITIVE_ZERO));
+ }
+
+ /**
+ * Unpacking 2.0 results in 2.0.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testUnpackDoubleTwo()
+ {
+ final char one = 0x4000;
+ final double r = Binary16.unpackDouble(one);
+ System.out.println(String.format("%04x -> %f", (int) one, r));
+ Assert.assertEquals(r, 2.0, 0.0);
+ }
+
+ /**
+ * Unpacking -2.0 results in -2.0.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testUnpackDoubleTwoNegative()
+ {
+ final char one = 0xC000;
+ final double r = Binary16.unpackDouble(one);
+ System.out.println(String.format("%04x -> %f", (int) one, r));
+ Assert.assertEquals(r, -2.0, 0.0);
+ }
+
+ /**
+ * Unpacking NaN results in NaN.
+ */
+
+ @SuppressWarnings("static-method") @Test public void testUnpackFloatNaN()
+ {
+ final float k = Binary16.unpackFloat(Binary16.exampleNaN());
+ Assert.assertTrue(Float.isNaN(k));
+ }
+
+ /**
+ * Unpacking negative infinity results in negative infinity.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testUnpackFloatNegativeInfinity()
+ {
+ Assert.assertTrue(Float.NEGATIVE_INFINITY == Binary16
+ .unpackFloat(Binary16.NEGATIVE_INFINITY));
+ }
+
+ /**
+ * Unpacking negative zero results in negative zero.
+ */
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testUnpackFloatNegativeZero()
+ {
+ Assert.assertTrue(-0.0 == Binary16.unpackFloat(Binary16.NEGATIVE_ZERO));
+ }
+
+ /**
+ * Unpacking 1.0 results in 1.0.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testUnpackFloatOne()
+ {
+ final char one = 0x3C00;
+ final float r = Binary16.unpackFloat(one);
+ System.out.println(String.format("0x%04x -> %f", (int) one, r));
+ Assert.assertEquals(r, 1.0, 0.0);
+ }
+
+ /**
+ * Unpacking -1.0 results in -1.0.
+ */
+
+ @SuppressWarnings({ "static-method", "boxing" }) @Test public
+ void
+ testUnpackFloatOneNegative()
+ {
+ final char one = 0xBC00;
+ final float r = Binary16.unpackFloat(one);
+ System.out.println(String.format("0x%04x -> %f", (int) one, r));
+ Assert.assertEquals(r, -1.0, 0.0);
+ }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary32Test.java b/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary32Test.java
new file mode 100644
index 000000000..42e7f08a1
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary32Test.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opengl.test.junit.jogl.math;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.opengl.math.Binary32;
+
+public class Binary32Test
+{
+ @SuppressWarnings("static-method") @Test public void testInfinityExponent()
+ {
+ Assert.assertEquals(
+ 128,
+ Binary32.unpackGetExponentUnbiased(Float.POSITIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeExponent()
+ {
+ Assert.assertEquals(
+ 128,
+ Binary32.unpackGetExponentUnbiased(Float.NEGATIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeSign()
+ {
+ Assert.assertEquals(1, Binary32.unpackGetSign(Float.NEGATIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeSignificand()
+ {
+ Assert.assertEquals(
+ 0,
+ Binary32.unpackGetSignificand(Float.NEGATIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public void testInfinitySign()
+ {
+ Assert.assertEquals(0, Binary32.unpackGetSign(Float.POSITIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinitySignificand()
+ {
+ Assert.assertEquals(
+ 0,
+ Binary32.unpackGetSignificand(Float.POSITIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public void testNaNExponent()
+ {
+ Assert.assertEquals(128, Binary32.unpackGetExponentUnbiased(Float.NaN));
+ }
+
+ @SuppressWarnings("static-method") @Test public void testNaNSignificand()
+ {
+ Assert.assertTrue(Binary32.unpackGetSignificand(Float.NaN) > 0);
+ }
+}
diff --git a/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary64Test.java b/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary64Test.java
new file mode 100644
index 000000000..78806985f
--- /dev/null
+++ b/src/test/com/jogamp/opengl/test/junit/jogl/math/Binary64Test.java
@@ -0,0 +1,93 @@
+/**
+ * Copyright 2013 JogAmp Community. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification, are
+ * permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice, this list of
+ * conditions and the following disclaimer.
+ *
+ * 2. Redistributions in binary form must reproduce the above copyright notice, this list
+ * of conditions and the following disclaimer in the documentation and/or other materials
+ * provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY JogAmp Community ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+ * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL JogAmp Community OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * The views and conclusions contained in the software and documentation are those of the
+ * authors and should not be interpreted as representing official policies, either expressed
+ * or implied, of JogAmp Community.
+ */
+
+package com.jogamp.opengl.test.junit.jogl.math;
+
+import org.junit.Assert;
+import org.junit.Test;
+
+import com.jogamp.opengl.math.Binary64;
+
+public class Binary64Test
+{
+ @SuppressWarnings("static-method") @Test public void testInfinityExponent()
+ {
+ Assert.assertEquals(
+ 1024,
+ Binary64.unpackGetExponentUnbiased(Double.POSITIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeExponent()
+ {
+ Assert.assertEquals(
+ 1024,
+ Binary64.unpackGetExponentUnbiased(Double.NEGATIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeSign()
+ {
+ Assert.assertEquals(1, Binary64.unpackGetSign(Double.NEGATIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinityNegativeSignificand()
+ {
+ Assert.assertEquals(
+ 0,
+ Binary64.unpackGetSignificand(Double.NEGATIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public void testInfinitySign()
+ {
+ Assert.assertEquals(0, Binary64.unpackGetSign(Double.POSITIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public
+ void
+ testInfinitySignificand()
+ {
+ Assert.assertEquals(
+ 0,
+ Binary64.unpackGetSignificand(Double.POSITIVE_INFINITY));
+ }
+
+ @SuppressWarnings("static-method") @Test public void testNaNExponent()
+ {
+ Assert.assertEquals(1024, Binary64.unpackGetExponentUnbiased(Double.NaN));
+ }
+
+ @SuppressWarnings("static-method") @Test public void testNaNSignificand()
+ {
+ Assert.assertTrue(Binary64.unpackGetSignificand(Double.NaN) > 0);
+ }
+}