76 lines
2.4 KiB
C
76 lines
2.4 KiB
C
/****************************************************************************
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** Copyright (c) 2016, Fougue Ltd. <http://www.fougue.pro>
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** All rights reserved.
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**
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** Redistribution and use in source and binary forms, with or without
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** modification, are permitted provided that the following conditions
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** are met:
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**
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** 1. Redistributions of source code must retain the above copyright
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** notice, this list of conditions and the following disclaimer.
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**
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** 2. Redistributions in binary form must reproduce the above
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** copyright notice, this list of conditions and the following
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** disclaimer in the documentation and/or other materials provided
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** with the distribution.
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**
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** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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****************************************************************************/
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#ifndef GMIO_INTERNAL_CONVERT_H
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#define GMIO_INTERNAL_CONVERT_H
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#include "../global.h"
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union gmio_uint_float_32
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{
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uint32_t as_uint32;
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float as_float32;
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};
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union gmio_int_float_32
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{
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int32_t as_int32;
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float as_float32;
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};
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GMIO_INLINE float gmio_convert_ufloat32(uint32_t val)
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{
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union gmio_uint_float_32 conv;
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conv.as_uint32 = val;
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return conv.as_float32;
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}
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GMIO_INLINE uint32_t gmio_convert_uint32(float val)
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{
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union gmio_uint_float_32 conv;
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conv.as_float32 = val;
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return conv.as_uint32;
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}
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GMIO_INLINE float gmio_convert_sfloat32(int32_t val)
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{
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union gmio_int_float_32 conv;
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conv.as_int32 = val;
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return conv.as_float32;
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}
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GMIO_INLINE int32_t gmio_convert_int32(float val)
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{
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union gmio_int_float_32 conv;
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conv.as_float32 = val;
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return conv.as_int32;
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}
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#endif /* GMIO_INTERNAL_CONVERT_H */
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