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gmio_core: add conversion routines for float32/int32

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This commit is contained in:
Hugues Delorme 2015-04-10 14:25:57 +02:00
parent d2026aacb4
commit b7aa93bcfa
1 changed files with 23 additions and 4 deletions
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27
src/gmio_core/internal/convert.h
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@ -23,20 +23,39 @@ union gmio_uint_float_32
uint32_t as_uint32; uint32_t as_uint32;
gmio_float32_t as_float32; gmio_float32_t as_float32;
}; };
typedef union gmio_uint_float_32 gmio_uint_float_32_t;
GMIO_INLINE gmio_float32_t gmio_convert_float32(uint32_t val) union gmio_int_float_32
{ {
gmio_uint_float_32_t conv; int32_t as_int32;
gmio_float32_t as_float32;
};
GMIO_INLINE gmio_float32_t gmio_convert_ufloat32(uint32_t val)
{
union gmio_uint_float_32 conv;
conv.as_uint32 = val; conv.as_uint32 = val;
return conv.as_float32; return conv.as_float32;
} }
GMIO_INLINE uint32_t gmio_convert_uint32(gmio_float32_t val) GMIO_INLINE uint32_t gmio_convert_uint32(gmio_float32_t val)
{ {
gmio_uint_float_32_t conv; union gmio_uint_float_32 conv;
conv.as_float32 = val; conv.as_float32 = val;
return conv.as_uint32; return conv.as_uint32;
} }
GMIO_INLINE gmio_float32_t gmio_convert_sfloat32(int32_t val)
{
union gmio_int_float_32 conv;
conv.as_int32 = val;
return conv.as_float32;
}
GMIO_INLINE int32_t gmio_convert_int32(gmio_float32_t val)
{
union gmio_int_float_32 conv;
conv.as_float32 = val;
return conv.as_int32;
}
#endif /* GMIO_INTERNAL_CONVERT_H */ #endif /* GMIO_INTERNAL_CONVERT_H */