s_normRoundPackToF64.c File Reference

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

Include dependency graph for s_normRoundPackToF64.c:

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Functions
float64_t	softfloat_normRoundPackToF64 (bool sign, int_fast16_t exp, uint_fast64_t sig)

Function Documentation

softfloat_normRoundPackToF64()

float64_t softfloat_normRoundPackToF64	(	bool	sign,
		int_fast16_t	exp,
		uint_fast64_t	sig )

Definition at line 43 of file s_normRoundPackToF64.c.

{
    int_fast8_t shiftDist;
    union ui64_f64 uZ;
 
    shiftDist = softfloat_countLeadingZeros64( sig ) - 1;
    exp -= shiftDist;
    if ( (10 <= shiftDist) && ((unsigned int) exp < 0x7FD) ) {
        uZ.ui = packToF64UI( sign, sig ? exp : 0, sig<<(shiftDist - 10) );
        return uZ.f;
    } else {
        return softfloat_roundPackToF64( sign, exp, sig<<shiftDist );
    }
 
}