11 lines
373 B
C++
11 lines
373 B
C++
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// We need to use shifts here in order to mantain the sign bit for signed
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// integers. The compiler should optimize this to (x & 0x00FFFFFF) for
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// unsigned integers.
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#define CONVERT_TO_24BIT(x) (((x) << 8) >> 8)
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_CLC_OVERLOAD _CLC_DEF __CLC_GENTYPE mul24(__CLC_GENTYPE x, __CLC_GENTYPE y){
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return CONVERT_TO_24BIT(x) * CONVERT_TO_24BIT(y);
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}
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#undef CONVERT_TO_24BIT
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