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// See LICENSE.SoftFloat for license details.
#include <stdint.h>
#include "platform.h"
#include "primitives.h"
#include "internals.h"
#include "softfloat.h"
float32_t ui64_to_f32( uint_fast64_t a )
{
int shiftCount;
union ui32_f32 u;
uint_fast32_t sig;
shiftCount = softfloat_countLeadingZeros64( a ) - 40;
if ( 0 <= shiftCount ) {
u.ui =
a ? packToF32UI(
0, 0x95 - shiftCount, (uint_fast32_t) a<<shiftCount )
: 0;
return u.f;
} else {
shiftCount += 7;
sig =
( shiftCount < 0 )
? softfloat_shortShift64RightJam( a, - shiftCount )
: (uint_fast32_t) a<<shiftCount;
return softfloat_roundPackToF32( 0, 0x9C - shiftCount, sig );
}
}
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