73 lines
2.3 KiB
C
73 lines
2.3 KiB
C
/**
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* @license Apache-2.0
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*
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* Copyright (c) 2018 The Stdlib Authors.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "stdlib/ndarray/base/bytes_per_element.h"
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#include "stdlib/ndarray/dtypes.h"
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#include <stdint.h>
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/**
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* Returns the number of bytes per element for a given data type.
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*
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* ## Notes
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*
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* - If unable to resolve a provided data type, the function returns `0`.
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*
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* @param dtype data type (number)
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* @return number of bytes per element
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*
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* @example
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* #include "stdlib/ndarray/base/bytes_per_element.h"
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* #include "stdlib/ndarray/dtypes.h"
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* #include <stdint.h>
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*
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* int64_t nbytes = stdlib_ndarray_bytes_per_element( STDLIB_NDARRAY_FLOAT64 );
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* // returns 8
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*/
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int64_t stdlib_ndarray_bytes_per_element( enum STDLIB_NDARRAY_DTYPE dtype ) {
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switch ( dtype ) {
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case STDLIB_NDARRAY_FLOAT64:
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return STDLIB_NDARRAY_FLOAT64_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_FLOAT32:
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return STDLIB_NDARRAY_FLOAT32_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_INT8:
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return STDLIB_NDARRAY_INT8_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_UINT8:
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return STDLIB_NDARRAY_UINT8_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_UINT8C:
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return STDLIB_NDARRAY_UINT8C_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_INT16:
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return STDLIB_NDARRAY_INT16_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_UINT16:
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return STDLIB_NDARRAY_UINT16_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_INT32:
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return STDLIB_NDARRAY_INT32_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_UINT32:
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return STDLIB_NDARRAY_UINT32_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_INT64:
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return STDLIB_NDARRAY_INT64_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_UINT64:
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return STDLIB_NDARRAY_UINT64_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_BOOL:
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return STDLIB_NDARRAY_BOOL_BYTES_PER_ELEMENT;
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case STDLIB_NDARRAY_BINARY:
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return STDLIB_NDARRAY_BINARY_BYTES_PER_ELEMENT;
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default:
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return 0; // data type is not currently supported
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}
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}
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