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<div class="subTitle">com.badlogic.gdx.math</div>
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<h2 title="Class MathUtils" class="title">Class MathUtils</h2>
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<pre>public final class <span class="typeNameLabel">MathUtils</span>
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extends java.lang.Object</pre>
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<div class="block">Utility and fast math functions.
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<p>
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Thanks to Riven on JavaGaming.org for the basis of sin/cos/floor/ceil.</div>
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<dl>
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<dt><span class="simpleTagLabel">Author:</span></dt>
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<dd>Nathan Sweet</dd>
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<th class="colFirst" scope="col">Modifier and Type</th>
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<th class="colLast" scope="col">Field and Description</th>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#degRad">degRad</a></span></code> </td>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#degreesToRadians">degreesToRadians</a></span></code>
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<div class="block">multiply by this to convert from degrees to radians</div>
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</td>
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</tr>
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<tr class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#E">E</a></span></code> </td>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#FLOAT_ROUNDING_ERROR">FLOAT_ROUNDING_ERROR</a></span></code> </td>
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</tr>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#nanoToSec">nanoToSec</a></span></code> </td>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#PI">PI</a></span></code> </td>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#PI2">PI2</a></span></code> </td>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#radDeg">radDeg</a></span></code> </td>
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<tr class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#radiansToDegrees">radiansToDegrees</a></span></code>
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<div class="block">multiply by this to convert from radians to degrees</div>
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</td>
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</tr>
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<tr class="rowColor">
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<td class="colFirst"><code>static java.util.Random</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random">random</a></span></code> </td>
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<td class="colOne"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#MathUtils--">MathUtils</a></span>()</code> </td>
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#atan2-float-float-">atan2</a></span>(float y,
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float x)</code>
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<div class="block">Returns atan2 in radians, faster but less accurate than Math.atan2.</div>
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</td>
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</tr>
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<tr id="i1" class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#ceil-float-">ceil</a></span>(float value)</code>
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<div class="block">Returns the smallest integer greater than or equal to the specified float.</div>
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</td>
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</tr>
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<tr id="i2" class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#ceilPositive-float-">ceilPositive</a></span>(float value)</code>
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<div class="block">Returns the smallest integer greater than or equal to the specified float.</div>
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</td>
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</tr>
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<tr id="i3" class="rowColor">
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<td class="colFirst"><code>static double</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#clamp-double-double-double-">clamp</a></span>(double value,
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double min,
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double max)</code> </td>
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</tr>
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<tr id="i4" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#clamp-float-float-float-">clamp</a></span>(float value,
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float min,
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float max)</code> </td>
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</tr>
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<tr id="i5" class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#clamp-int-int-int-">clamp</a></span>(int value,
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int min,
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int max)</code> </td>
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</tr>
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<tr id="i6" class="altColor">
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<td class="colFirst"><code>static long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#clamp-long-long-long-">clamp</a></span>(long value,
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long min,
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long max)</code> </td>
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</tr>
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<tr id="i7" class="rowColor">
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<td class="colFirst"><code>static short</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#clamp-short-short-short-">clamp</a></span>(short value,
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short min,
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short max)</code> </td>
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</tr>
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<tr id="i8" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#cos-float-">cos</a></span>(float radians)</code>
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<div class="block">Returns the cosine in radians from a lookup table.</div>
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</td>
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</tr>
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<tr id="i9" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#cosDeg-float-">cosDeg</a></span>(float degrees)</code>
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<div class="block">Returns the cosine in radians from a lookup table.</div>
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</td>
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</tr>
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<tr id="i10" class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#floor-float-">floor</a></span>(float value)</code>
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<div class="block">Returns the largest integer less than or equal to the specified float.</div>
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</td>
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</tr>
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<tr id="i11" class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#floorPositive-float-">floorPositive</a></span>(float value)</code>
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<div class="block">Returns the largest integer less than or equal to the specified float.</div>
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</td>
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</tr>
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<tr id="i12" class="altColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#isEqual-float-float-">isEqual</a></span>(float a,
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float b)</code>
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<div class="block">Returns true if a is nearly equal to b.</div>
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</td>
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</tr>
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<tr id="i13" class="rowColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#isEqual-float-float-float-">isEqual</a></span>(float a,
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float b,
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float tolerance)</code>
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<div class="block">Returns true if a is nearly equal to b.</div>
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</td>
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</tr>
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<tr id="i14" class="altColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#isPowerOfTwo-int-">isPowerOfTwo</a></span>(int value)</code> </td>
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</tr>
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<tr id="i15" class="rowColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#isZero-float-">isZero</a></span>(float value)</code>
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<div class="block">Returns true if the value is zero (using the default tolerance as upper bound)</div>
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</td>
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</tr>
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<tr id="i16" class="altColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#isZero-float-float-">isZero</a></span>(float value,
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float tolerance)</code>
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<div class="block">Returns true if the value is zero.</div>
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</td>
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</tr>
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<tr id="i17" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#lerp-float-float-float-">lerp</a></span>(float fromValue,
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float toValue,
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float progress)</code>
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<div class="block">Linearly interpolates between fromValue to toValue on progress position.</div>
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</td>
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</tr>
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<tr id="i18" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#lerpAngle-float-float-float-">lerpAngle</a></span>(float fromRadians,
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float toRadians,
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float progress)</code>
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<div class="block">Linearly interpolates between two angles in radians.</div>
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</td>
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</tr>
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<tr id="i19" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#lerpAngleDeg-float-float-float-">lerpAngleDeg</a></span>(float fromDegrees,
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float toDegrees,
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float progress)</code>
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<div class="block">Linearly interpolates between two angles in degrees.</div>
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</td>
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</tr>
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<tr id="i20" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#log-float-float-">log</a></span>(float a,
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float value)</code> </td>
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</tr>
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<tr id="i21" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#log2-float-">log2</a></span>(float value)</code> </td>
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</tr>
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<tr id="i22" class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#nextPowerOfTwo-int-">nextPowerOfTwo</a></span>(int value)</code>
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<div class="block">Returns the next power of two.</div>
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</td>
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</tr>
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<tr id="i23" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random--">random</a></span>()</code>
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<div class="block">Returns random number between 0.0 (inclusive) and 1.0 (exclusive).</div>
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</td>
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</tr>
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<tr id="i24" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random-float-">random</a></span>(float range)</code>
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<div class="block">Returns a random number between 0 (inclusive) and the specified value (exclusive).</div>
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</td>
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</tr>
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<tr id="i25" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random-float-float-">random</a></span>(float start,
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float end)</code>
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<div class="block">Returns a random number between start (inclusive) and end (exclusive).</div>
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</td>
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</tr>
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<tr id="i26" class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random-int-">random</a></span>(int range)</code>
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<div class="block">Returns a random number between 0 (inclusive) and the specified value (inclusive).</div>
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</td>
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</tr>
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<tr id="i27" class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random-int-int-">random</a></span>(int start,
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int end)</code>
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<div class="block">Returns a random number between start (inclusive) and end (inclusive).</div>
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</td>
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<tr id="i28" class="altColor">
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<td class="colFirst"><code>static long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random-long-">random</a></span>(long range)</code>
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<div class="block">Returns a random number between 0 (inclusive) and the specified value (inclusive).</div>
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</td>
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<tr id="i29" class="rowColor">
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<td class="colFirst"><code>static long</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#random-long-long-">random</a></span>(long start,
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long end)</code>
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<div class="block">Returns a random number between start (inclusive) and end (inclusive).</div>
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</td>
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<tr id="i30" class="altColor">
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomBoolean--">randomBoolean</a></span>()</code>
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<div class="block">Returns a random boolean value.</div>
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<td class="colFirst"><code>static boolean</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomBoolean-float-">randomBoolean</a></span>(float chance)</code>
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<div class="block">Returns true if a random value between 0 and 1 is less than the specified value.</div>
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</td>
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<tr id="i32" class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomSign--">randomSign</a></span>()</code>
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<div class="block">Returns -1 or 1, randomly.</div>
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<tr id="i33" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular--">randomTriangular</a></span>()</code>
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<div class="block">Returns a triangularly distributed random number between -1.0 (exclusive) and 1.0 (exclusive), where values around zero are
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more likely.</div>
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</td>
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<tr id="i34" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular-float-">randomTriangular</a></span>(float max)</code>
|
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<div class="block">Returns a triangularly distributed random number between <code>-max</code> (exclusive) and <code>max</code> (exclusive), where values
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around zero are more likely.</div>
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</td>
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</tr>
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<tr id="i35" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular-float-float-">randomTriangular</a></span>(float min,
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float max)</code>
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<div class="block">Returns a triangularly distributed random number between <code>min</code> (inclusive) and <code>max</code> (exclusive), where the
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<code>mode</code> argument defaults to the midpoint between the bounds, giving a symmetric distribution.</div>
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<tr id="i36" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular-float-float-float-">randomTriangular</a></span>(float min,
|
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float max,
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float mode)</code>
|
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<div class="block">Returns a triangularly distributed random number between <code>min</code> (inclusive) and <code>max</code> (exclusive), where values
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around <code>mode</code> are more likely.</div>
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</td>
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<tr id="i37" class="rowColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#round-float-">round</a></span>(float value)</code>
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<div class="block">Returns the closest integer to the specified float.</div>
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</td>
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<tr id="i38" class="altColor">
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<td class="colFirst"><code>static int</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#roundPositive-float-">roundPositive</a></span>(float value)</code>
|
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<div class="block">Returns the closest integer to the specified float.</div>
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</td>
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</tr>
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<tr id="i39" class="rowColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#sin-float-">sin</a></span>(float radians)</code>
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<div class="block">Returns the sine in radians from a lookup table.</div>
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<tr id="i40" class="altColor">
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<td class="colFirst"><code>static float</code></td>
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<td class="colLast"><code><span class="memberNameLink"><a href="../../../../com/badlogic/gdx/math/MathUtils.html#sinDeg-float-">sinDeg</a></span>(float degrees)</code>
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<div class="block">Returns the sine in radians from a lookup table.</div>
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<h3>Methods inherited from class java.lang.Object</h3>
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<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
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<pre>public static final float nanoToSec</pre>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.nanoToSec">Constant Field Values</a></dd>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.FLOAT_ROUNDING_ERROR">Constant Field Values</a></dd>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.PI">Constant Field Values</a></dd>
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<pre>public static final float PI2</pre>
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<dl>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.PI2">Constant Field Values</a></dd>
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<pre>public static final float E</pre>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.E">Constant Field Values</a></dd>
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<pre>public static final float radiansToDegrees</pre>
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<div class="block">multiply by this to convert from radians to degrees</div>
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<dl>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.radiansToDegrees">Constant Field Values</a></dd>
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<pre>public static final float radDeg</pre>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.radDeg">Constant Field Values</a></dd>
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<pre>public static final float degreesToRadians</pre>
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<div class="block">multiply by this to convert from degrees to radians</div>
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<dl>
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<dt><span class="seeLabel">See Also:</span></dt>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.degreesToRadians">Constant Field Values</a></dd>
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<pre>public static final float degRad</pre>
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<dl>
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<dd><a href="../../../../constant-values.html#com.badlogic.gdx.math.MathUtils.degRad">Constant Field Values</a></dd>
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<pre>public static java.util.Random random</pre>
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<pre>public MathUtils()</pre>
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<h4>sin</h4>
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<pre>public static float sin(float radians)</pre>
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<div class="block">Returns the sine in radians from a lookup table.</div>
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<pre>public static float cos(float radians)</pre>
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<div class="block">Returns the cosine in radians from a lookup table.</div>
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<pre>public static float sinDeg(float degrees)</pre>
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<div class="block">Returns the sine in radians from a lookup table.</div>
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<pre>public static float cosDeg(float degrees)</pre>
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<div class="block">Returns the cosine in radians from a lookup table.</div>
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<pre>public static float atan2(float y,
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<div class="block">Returns atan2 in radians, faster but less accurate than Math.atan2. Average error of 0.00231 radians (0.1323 degrees),
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largest error of 0.00488 radians (0.2796 degrees).</div>
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<div class="block">Returns a random number between 0 (inclusive) and the specified value (inclusive).</div>
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<div class="block">Returns a random number between start (inclusive) and end (inclusive).</div>
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<div class="block">Returns a random number between 0 (inclusive) and the specified value (inclusive).</div>
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<div class="block">Returns random number between 0.0 (inclusive) and 1.0 (exclusive).</div>
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<div class="block">Returns a random number between 0 (inclusive) and the specified value (exclusive).</div>
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<div class="block">Returns a random number between start (inclusive) and end (exclusive).</div>
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more likely.
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This is an optimized version of <a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular-float-float-float-"><code>randomTriangular(-1, 1, 0)</code></a></div>
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<pre>public static float randomTriangular(float max)</pre>
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around zero are more likely.
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This is an optimized version of <a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular-float-float-float-"><code>randomTriangular(-max, max, 0)</code></a></div>
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<dd><code>max</code> - the upper limit</dd>
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<pre>public static float randomTriangular(float min,
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<code>mode</code> argument defaults to the midpoint between the bounds, giving a symmetric distribution.
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This method is equivalent of <a href="../../../../com/badlogic/gdx/math/MathUtils.html#randomTriangular-float-float-float-"><code>randomTriangular(min, max, (min + max) * .5f)</code></a></div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>min</code> - the lower limit</dd>
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<dd><code>max</code> - the upper limit</dd>
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<div class="block">Returns a triangularly distributed random number between <code>min</code> (inclusive) and <code>max</code> (exclusive), where values
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around <code>mode</code> are more likely.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>min</code> - the lower limit</dd>
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<dd><code>max</code> - the upper limit</dd>
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<dd><code>mode</code> - the point around which the values are more likely</dd>
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<div class="block">Linearly interpolates between fromValue to toValue on progress position.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>fromRadians</code> - start angle in radians</dd>
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<dd><code>toRadians</code> - target angle in radians</dd>
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<dd><code>progress</code> - interpolation value in the range [0, 1]</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the interpolated angle in the range [0, PI2[</dd>
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<pre>public static float lerpAngleDeg(float fromDegrees,
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<div class="block">Linearly interpolates between two angles in degrees. Takes into account that angles wrap at 360 degrees and always takes
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>fromDegrees</code> - start angle in degrees</dd>
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<dd><code>toDegrees</code> - target angle in degrees</dd>
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<dd><code>progress</code> - interpolation value in the range [0, 1]</dd>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the interpolated angle in the range [0, 360[</dd>
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<pre>public static int floor(float value)</pre>
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-(2^14) to (Float.MAX_VALUE - 2^14).</div>
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<pre>public static int floorPositive(float value)</pre>
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<div class="block">Returns the largest integer less than or equal to the specified float. This method will only properly floor floats that are
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positive. Note this method simply casts the float to int.</div>
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<pre>public static int ceil(float value)</pre>
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-(2^14) to (Float.MAX_VALUE - 2^14).</div>
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<pre>public static int ceilPositive(float value)</pre>
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<div class="block">Returns the smallest integer greater than or equal to the specified float. This method will only properly ceil floats that
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are positive.</div>
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<pre>public static int round(float value)</pre>
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<div class="block">Returns the closest integer to the specified float. This method will only properly round floats from -(2^14) to
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<div class="block">Returns the closest integer to the specified float. This method will only properly round floats that are positive.</div>
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<div class="block">Returns true if the value is zero.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>tolerance</code> - represent an upper bound below which the value is considered zero.</dd>
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<pre>public static boolean isEqual(float a,
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<div class="block">Returns true if a is nearly equal to b. The function uses the default floating error tolerance.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>a</code> - the first value.</dd>
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<dd><code>b</code> - the second value.</dd>
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<pre>public static boolean isEqual(float a,
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float b,
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<div class="block">Returns true if a is nearly equal to b.</div>
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<dt><span class="paramLabel">Parameters:</span></dt>
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<dd><code>a</code> - the first value.</dd>
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<dd><code>b</code> - the second value.</dd>
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<dd><code>tolerance</code> - represent an upper bound below which the two values are considered equal.</dd>
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<h4>log</h4>
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<pre>public static float log(float a,
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float value)</pre>
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<dl>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the logarithm of value with base a</dd>
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<pre>public static float log2(float value)</pre>
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<dt><span class="returnLabel">Returns:</span></dt>
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<dd>the logarithm of value with base 2</dd>
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