i64_to_f64.c File Reference

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

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Functions
float64_t	i64_to_f64 (int64_t a)

Function Documentation

i64_to_f64()

float64_t i64_to_f64

(

int64_t

a

)

Definition at line 43 of file i64_to_f64.c.

{
    bool sign;
    union ui64_f64 uZ;
    uint_fast64_t absA;
 
    sign = (a < 0);
    if ( ! (a & UINT64_C( 0x7FFFFFFFFFFFFFFF )) ) {
        uZ.ui = sign ? packToF64UI( 1, 0x43E, 0 ) : 0;
        return uZ.f;
    }
    absA = sign ? -(uint_fast64_t) a : (uint_fast64_t) a;
    return softfloat_normRoundPackToF64( sign, 0x43C, absA );
 
}

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