f128M_le_quiet.c File Reference

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

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Functions
bool	f128M_le_quiet (const float128_t *aPtr, const float128_t *bPtr)

Function Documentation

f128M_le_quiet()

bool f128M_le_quiet	(	const float128_t *	aPtr,
		const float128_t *	bPtr )

Definition at line 55 of file f128M_le_quiet.c.

{
    const uint32_t *aWPtr, *bWPtr;
    uint32_t uiA96, uiB96;
    bool signA, signB;
    uint32_t wordA, wordB;
 
    aWPtr = (const uint32_t *) aPtr;
    bWPtr = (const uint32_t *) bPtr;
    if ( softfloat_isNaNF128M( aWPtr ) || softfloat_isNaNF128M( bWPtr ) ) {
        if ( f128M_isSignalingNaN( aPtr ) || f128M_isSignalingNaN( bPtr ) ) {
            softfloat_raiseFlags( softfloat_flag_invalid );
        }
        return false;
    }
    uiA96 = aWPtr[indexWordHi( 4 )];
    uiB96 = bWPtr[indexWordHi( 4 )];
    signA = signF128UI96( uiA96 );
    signB = signF128UI96( uiB96 );
    if ( signA != signB ) {
        if ( signA ) return true;
        if ( (uiA96 | uiB96) & 0x7FFFFFFF ) return false;
        wordA = aWPtr[indexWord( 4, 2 )];
        wordB = bWPtr[indexWord( 4, 2 )];
        if ( wordA | wordB ) return false;
        wordA = aWPtr[indexWord( 4, 1 )];
        wordB = bWPtr[indexWord( 4, 1 )];
        if ( wordA | wordB ) return false;
        wordA = aWPtr[indexWord( 4, 0 )];
        wordB = bWPtr[indexWord( 4, 0 )];
        return ((wordA | wordB) == 0);
    }
    if ( signA ) {
        aWPtr = (const uint32_t *) bPtr;
        bWPtr = (const uint32_t *) aPtr;
    }
    return (softfloat_compare128M( aWPtr, bWPtr ) <= 0);
 
}

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