i32_to_f128.c File Reference

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

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Functions
float128_t	i32_to_f128 (int32_t a)

Function Documentation

i32_to_f128()

float128_t i32_to_f128

(

int32_t

a

)

Definition at line 42 of file i32_to_f128.c.

{
    uint_fast64_t uiZ64;
    bool sign;
    uint_fast32_t absA;
    int_fast8_t shiftDist;
    union ui128_f128 uZ;
 
    uiZ64 = 0;
    if ( a ) {
        sign = (a < 0);
        absA = sign ? -(uint_fast32_t) a : (uint_fast32_t) a;
        shiftDist = softfloat_countLeadingZeros32( absA ) + 17;
        uiZ64 =
            packToF128UI64(
                sign, 0x402E - shiftDist, (uint_fast64_t) absA<<shiftDist );
    }
    uZ.ui.v64 = uiZ64;
    uZ.ui.v0  = 0;
    return uZ.f;
 
}

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