is_infinitef.c (968B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2020 The Stdlib Authors. 5 * 6 * Licensed under the Apache License, Version 2.0 (the "License"); 7 * you may not use this file except in compliance with the License. 8 * You may obtain a copy of the License at 9 * 10 * http://www.apache.org/licenses/LICENSE-2.0 11 * 12 * Unless required by applicable law or agreed to in writing, software 13 * distributed under the License is distributed on an "AS IS" BASIS, 14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15 * See the License for the specific language governing permissions and 16 * limitations under the License. 17 */ 18 19 #include "stdlib/math/base/assert/is_infinitef.h" 20 #include <stdbool.h> 21 #include <math.h> 22 23 /** 24 * Tests if a single-precision floating-point number is infinite. 25 * 26 * @param x number 27 * @return boolean indicating if an input value is infinite 28 */ 29 bool stdlib_base_is_infinitef( const float x ) { 30 return ( x == INFINITY || x == -INFINITY ); 31 }