s_normRoundPackToExtF80.c File Reference

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

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Functions
extFloat80_t	softfloat_normRoundPackToExtF80 (bool sign, int_fast32_t exp, uint_fast64_t sig, uint_fast64_t sigExtra, uint_fast8_t roundingPrecision)

Function Documentation

softfloat_normRoundPackToExtF80()

extFloat80_t softfloat_normRoundPackToExtF80	(	bool	sign,
		int_fast32_t	exp,
		uint_fast64_t	sig,
		uint_fast64_t	sigExtra,
		uint_fast8_t	roundingPrecision )

Definition at line 43 of file s_normRoundPackToExtF80.c.

{
    int_fast8_t shiftDist;
    struct uint128 sig128;
 
    if ( ! sig ) {
        exp -= 64;
        sig = sigExtra;
        sigExtra = 0;
    }
    shiftDist = softfloat_countLeadingZeros64( sig );
    exp -= shiftDist;
    if ( shiftDist ) {
        sig128 = softfloat_shortShiftLeft128( sig, sigExtra, shiftDist );
        sig = sig128.v64;
        sigExtra = sig128.v0;
    }
    return
        softfloat_roundPackToExtF80(
            sign, exp, sig, sigExtra, roundingPrecision );
 
}

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