ui32_to_f16.c File Reference

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

Include dependency graph for ui32_to_f16.c:

Go to the source code of this file.

Functions
float16_t	ui32_to_f16 (uint32_t a)

Function Documentation

ui32_to_f16()

float16_t ui32_to_f16

(

uint32_t

a

)

Definition at line 42 of file ui32_to_f16.c.

{
    int_fast8_t shiftDist;
    union ui16_f16 u;
    uint_fast16_t sig;
 
    shiftDist = softfloat_countLeadingZeros32( a ) - 21;
    if ( 0 <= shiftDist ) {
        u.ui =
            a ? packToF16UI(
                    0, 0x18 - shiftDist, (uint_fast16_t) a<<shiftDist )
                : 0;
        return u.f;
    } else {
        shiftDist += 4;
        sig =
            (shiftDist < 0)
                ? a>>(-shiftDist) | ((uint32_t) (a<<(shiftDist & 31)) != 0)
                : (uint_fast16_t) a<<shiftDist;
        return softfloat_roundPackToF16( 0, 0x1C - shiftDist, sig );
    }
 
}