/*
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* Java port of Bullet (c) 2008 Martin Dvorak <jezek2@advel.cz>
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*
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* Bullet Continuous Collision Detection and Physics Library
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* Copyright (c) 2003-2008 Erwin Coumans http://www.bulletphysics.com/
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*
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* This software is provided 'as-is', without any express or implied warranty.
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* In no event will the authors be held liable for any damages arising from
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* the use of this software.
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*
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* Permission is granted to anyone to use this software for any purpose,
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* including commercial applications, and to alter it and redistribute it
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* freely, subject to the following restrictions:
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*
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* 1. The origin of this software must not be misrepresented; you must not
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* claim that you wrote the original software. If you use this software
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* in a product, an acknowledgment in the product documentation would be
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* appreciated but is not required.
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* 2. Altered source versions must be plainly marked as such, and must not be
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* misrepresented as being the original software.
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* 3. This notice may not be removed or altered from any source distribution.
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*/
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//package com.bulletphysics.demos.opengl;
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/**
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*
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* @author jezek2
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*/
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public class FastFormat {
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private static final char[] DIGITS = "0123456789".toCharArray();
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public static void append(StringBuilder b, int i) {
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if (i < 0) {
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b.append('-');
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i = Math.abs(i);
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}
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int digit = 1000000000;
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boolean first = true;
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while (digit >= 1) {
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int v = (i/digit);
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if (v != 0 || !first) {
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b.append(DIGITS[v]);
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first = false;
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}
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i -= v*digit;
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digit /= 10;
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}
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if (first) b.append('0');
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}
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public static void append(StringBuilder b, float f) {
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append(b, f, 2);
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}
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public static void append(StringBuilder b, float f, int fracDigits) {
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int mult = 10*fracDigits;
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int val = Math.round(f*mult);
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append(b, val / mult);
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b.append('.');
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append(b, Math.abs(val % mult));
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}
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}
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