ui64_to_f64.c File Reference

#include <stdint.h>
#include "platform.h"
#include "internals.h"
#include "softfloat.h"

Include dependency graph for ui64_to_f64.c:

Go to the source code of this file.

Functions
float64_t	ui64_to_f64 (uint64_t a)

Function Documentation

ui64_to_f64()

float64_t ui64_to_f64

(

uint64_t

a

)

Definition at line 42 of file ui64_to_f64.c.

{
    union ui64_f64 uZ;
 
    if ( ! a ) {
        uZ.ui = 0;
        return uZ.f;
    }
    if ( a & UINT64_C( 0x8000000000000000 ) ) {
        return
            softfloat_roundPackToF64(
                0, 0x43D, softfloat_shortShiftRightJam64( a, 1 ) );
    } else {
        return softfloat_normRoundPackToF64( 0, 0x43C, a );
    }
 
}