main.c (2369B)
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/bytes_per_element.h" 20 #include "stdlib/ndarray/dtypes.h" 21 #include <stdint.h> 22 23 /** 24 * Returns the number of bytes per element for a given data type. 25 * 26 * ## Notes 27 * 28 * - If unable to resolve a provided data type, the function returns `0`. 29 * 30 * @param dtype data type (number) 31 * @return number of bytes per element 32 * 33 * @example 34 * #include "stdlib/ndarray/base/bytes_per_element.h" 35 * #include "stdlib/ndarray/dtypes.h" 36 * #include <stdint.h> 37 * 38 * int64_t nbytes = stdlib_ndarray_bytes_per_element( STDLIB_NDARRAY_FLOAT64 ); 39 * // returns 8 40 */ 41 int64_t stdlib_ndarray_bytes_per_element( enum STDLIB_NDARRAY_DTYPE dtype ) { 42 switch ( dtype ) { 43 case STDLIB_NDARRAY_FLOAT64: 44 return STDLIB_NDARRAY_FLOAT64_BYTES_PER_ELEMENT; 45 case STDLIB_NDARRAY_FLOAT32: 46 return STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT; 47 case STDLIB_NDARRAY_INT8: 48 return STDLIB_NDARRAY_INT8_BYTES_PER_ELEMENT; 49 case STDLIB_NDARRAY_UINT8: 50 return STDLIB_NDARRAY_UINT8_BYTES_PER_ELEMENT; 51 case STDLIB_NDARRAY_UINT8C: 52 return STDLIB_NDARRAY_UINT8C_BYTES_PER_ELEMENT; 53 case STDLIB_NDARRAY_INT16: 54 return STDLIB_NDARRAY_INT16_BYTES_PER_ELEMENT; 55 case STDLIB_NDARRAY_UINT16: 56 return STDLIB_NDARRAY_UINT16_BYTES_PER_ELEMENT; 57 case STDLIB_NDARRAY_INT32: 58 return STDLIB_NDARRAY_INT32_BYTES_PER_ELEMENT; 59 case STDLIB_NDARRAY_UINT32: 60 return STDLIB_NDARRAY_UINT32_BYTES_PER_ELEMENT; 61 case STDLIB_NDARRAY_INT64: 62 return STDLIB_NDARRAY_INT64_BYTES_PER_ELEMENT; 63 case STDLIB_NDARRAY_UINT64: 64 return STDLIB_NDARRAY_UINT64_BYTES_PER_ELEMENT; 65 case STDLIB_NDARRAY_BOOL: 66 return STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT; 67 case STDLIB_NDARRAY_BINARY: 68 return STDLIB_NDARRAY_BINARY_BYTES_PER_ELEMENT; 69 default: 70 return 0; // data type is not currently supported 71 } 72 }