main.c (1113B)
1 /** 2 * @license Apache-2.0 3 * 4 * Copyright (c) 2018 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/ndarray/base/clamp_index.h" 20 #include <stdint.h> 21 22 /** 23 * Restricts an index to the interval `[0,max]`. 24 * 25 * @param idx index 26 * @param max maximum index (should be nonnegative) 27 * @return index 28 * 29 * @example 30 * #include "stdlib/ndarray/base/clamp_index.h" 31 * 32 * int64_t idx = stdlib_ndarray_clamp_index( 10, 8 ); 33 * // returns 8 34 */ 35 int64_t stdlib_ndarray_clamp_index( int64_t idx, int64_t max ) { 36 if ( idx < 0 ) { 37 return 0; 38 } 39 if ( idx > max ) { 40 return max; 41 } 42 return idx; 43 }