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51 lines
2.1 KiB
Kotlin
51 lines
2.1 KiB
Kotlin
/*
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* Copyright (c) 2010-2015 William Bittle http://www.dyn4j.org/
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without modification, are permitted
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* provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice, this list of conditions
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* and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice, this list of conditions
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* and the following disclaimer in the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of dyn4j nor the names of its contributors may be used to endorse or
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* promote products derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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* FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
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* IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
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* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* Kotlin modified code (c) 2017 CuriousTorvald (minjaesong) */
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package org.dyn4j
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/**
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* Class containing an approximation of machine epsilon.
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* @author William Bittle
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* *
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* @version 2.0.0
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* *
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* @since 2.0.0
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*/
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object Epsilon {
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/** The double precision floating point machine epsilon approximation */
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val E = Epsilon.compute()
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/**
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* Computes an approximation of machine epsilon.
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* @return double
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*/
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private fun compute(): Double {
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var e = 0.5
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while (1.0 + e > 1.0) {
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e *= 0.5
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}
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return e
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}
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} |