Here you can find the source of signum(float f)
| Parameter | Description |
|---|---|
| f | Any float. |
public static float signum(float f)
//package com.java2s; /*/* www . ja v a2s. c om*/ * Copyright (c) 2015 Sam Johnson * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ public class Main { /** * Returns -1.0, 0.0, or 1.0 as the given float is negative, zero, or * positive, respectively. Returns undefined result for NaN. * * @param f Any float. * @return -1.0, 0.0, or 1.0 as the given float is negative, zero, or * positive, respectively. */ public static float signum(float f) { if (f == 0.0f) return 0.0f; return f < 0.0f ? -1.0f : 1.0f; } }