sdeg2rad.c (1813B)
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/strided/special/sdeg2rad.h" 20 #include "stdlib/strided/base/smap.h" 21 #include "stdlib/math/base/special/deg2radf.h" 22 #include <stdint.h> 23 24 /** 25 * Converts each element in a single-precision floating-point strided array `X` from degrees to radians and assigns the results to elements in a single-precision floating-point strided array `Y`. 26 * 27 * @param N number of indexed elements 28 * @param X input array 29 * @param strideX X stride length 30 * @param Y destination array 31 * @param strideY Y stride length 32 * 33 * @example 34 * #include <stdint.h> 35 * 36 * // Create an input strided array: 37 * float x[] = { 0.0, 30.0, 45.0, 60.0, 90.0, 120.0, 150.0, 180.0 }; 38 * 39 * // Create an output strided array: 40 * float y[] = { 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 }; 41 * 42 * // Specify the number of elements: 43 * int64_t N = 4; 44 * 45 * // Specify the stride lengths: 46 * int64_t strideX = 2; 47 * int64_t strideY = 2; 48 * 49 * // Compute the results: 50 * stdlib_strided_sdeg2rad( N, x, strideX, y, strideY ); 51 */ 52 void stdlib_strided_sdeg2rad( const int64_t N, const float *X, const int64_t strideX, float *Y, const int64_t strideY ) { 53 stdlib_strided_smap( N, X, strideX, Y, strideY, stdlib_base_deg2radf ); 54 }