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26 lines
514 B
26 lines
514 B
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#include <stdint.h>
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#include "platform.h"
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#include "primitives.h"
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#include "internals.h"
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#include "softfloat.h"
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float64_t ui32_to_f64( uint_fast32_t a )
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{
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uint_fast64_t uiZ;
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int shiftCount;
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union ui64_f64 uZ;
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if ( ! a ) {
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uiZ = 0;
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} else {
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shiftCount = softfloat_countLeadingZeros32( a ) + 21;
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uiZ =
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packToF64UI(
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0, 0x432 - shiftCount, (uint_fast64_t) a<<shiftCount );
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}
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uZ.ui = uiZ;
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return uZ.f;
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}
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