C++ (Cpp) isNaNExtF80UI Exemples

Exemple #1

Fichier : extF80_lt_quiet.c Projet : AIdrifter/optee_os

bool extF80_lt_quiet( extFloat80_t a, extFloat80_t b )
{
    union { struct extFloat80M s; extFloat80_t f; } uA;
    uint_fast16_t uiA64;
    uint_fast64_t uiA0;
    union { struct extFloat80M s; extFloat80_t f; } uB;
    uint_fast16_t uiB64;
    uint_fast64_t uiB0;
    bool signA, signB;

    uA.f = a;
    uiA64 = uA.s.signExp;
    uiA0  = uA.s.signif;
    uB.f = b;
    uiB64 = uB.s.signExp;
    uiB0  = uB.s.signif;
    if ( isNaNExtF80UI( uiA64, uiA0 ) || isNaNExtF80UI( uiB64, uiB0 ) ) {
        if (
               softfloat_isSigNaNExtF80UI( uiA64, uiA0 )
            || softfloat_isSigNaNExtF80UI( uiB64, uiB0 )
        ) {
            softfloat_raiseFlags( softfloat_flag_invalid );
        }
        return false;
    }
    signA = signExtF80UI64( uiA64 );
    signB = signExtF80UI64( uiB64 );
    return
        (signA != signB)
            ? signA && (((uiA64 | uiB64) & 0x7FFF) | uiA0 | uiB0)
            : ((uiA64 != uiB64) || (uiA0 != uiB0))
                  && (signA ^ softfloat_lt128( uiA64, uiA0, uiB64, uiB0 ));

}

Exemple #2

Fichier : extF80_eq.c Projet : AIdrifter/optee_os

bool extF80_eq( extFloat80_t a, extFloat80_t b )
{
    union { struct extFloat80M s; extFloat80_t f; } uA;
    uint_fast16_t uiA64;
    uint_fast64_t uiA0;
    union { struct extFloat80M s; extFloat80_t f; } uB;
    uint_fast16_t uiB64;
    uint_fast64_t uiB0;

    uA.f = a;
    uiA64 = uA.s.signExp;
    uiA0  = uA.s.signif;
    uB.f = b;
    uiB64 = uB.s.signExp;
    uiB0  = uB.s.signif;
    if ( isNaNExtF80UI( uiA64, uiA0 ) || isNaNExtF80UI( uiB64, uiB0 ) ) {
        if (
               softfloat_isSigNaNExtF80UI( uiA64, uiA0 )
            || softfloat_isSigNaNExtF80UI( uiB64, uiB0 )
        ) {
            softfloat_raiseFlags( softfloat_flag_invalid );
        }
        return false;
    }
    return
           (uiA0 == uiB0)
        && ((uiA64 == uiB64) || (! uiA0 && ! ((uiA64 | uiB64) & 0x7FFF)));

}

Exemple #3

Fichier : extF80M_lt_quiet.c Projet : Dagarman/mame

bool extF80M_lt_quiet( const extFloat80_t *aPtr, const extFloat80_t *bPtr )
{
    const struct extFloat80M *aSPtr, *bSPtr;
    uint_fast16_t uiA64;
    uint64_t uiA0;
    uint_fast16_t uiB64;
    uint64_t uiB0;
    bool signA, ltMags;

    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    aSPtr = (const struct extFloat80M *) aPtr;
    bSPtr = (const struct extFloat80M *) bPtr;
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    uiA64 = aSPtr->signExp;
    uiA0  = aSPtr->signif;
    uiB64 = bSPtr->signExp;
    uiB0  = bSPtr->signif;
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    if ( isNaNExtF80UI( uiA64, uiA0 ) || isNaNExtF80UI( uiB64, uiB0 ) ) {
        if (
               softfloat_isSigNaNExtF80UI( uiA64, uiA0 )
            || softfloat_isSigNaNExtF80UI( uiB64, uiB0 )
        ) {
            softfloat_raiseFlags( softfloat_flag_invalid );
        }
        return false;
    }
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    signA = signExtF80UI64( uiA64 );
    if ( (uiA64 ^ uiB64) & 0x8000 ) {
        /*--------------------------------------------------------------------
        | Signs are different.
        *--------------------------------------------------------------------*/
        return signA && ((uiA0 | uiB0) != 0);
    } else {
        /*--------------------------------------------------------------------
        | Signs are the same.
        *--------------------------------------------------------------------*/
        if ( ! ((uiA0 & uiB0) & UINT64_C( 0x8000000000000000 )) ) {
            return (softfloat_compareNonnormExtF80M( aSPtr, bSPtr ) < 0);
        }
        if ( uiA64 == uiB64 ) {
            if ( uiA0 == uiB0 ) return false;
            ltMags = (uiA0 < uiB0);
        } else {
            ltMags = (uiA64 < uiB64);
        }
        return signA ^ ltMags;
    }

}

Exemple #4

Fichier : extF80M_eq.c Projet : hercules-390/SoftFloat-3a

bool extF80M_eq( const extFloat80_t *aPtr, const extFloat80_t *bPtr )
{
    const struct extFloat80M *aSPtr, *bSPtr;
    uint_fast16_t uiA64;
    uint64_t uiA0;
    uint_fast16_t uiB64;
    uint64_t uiB0;

    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    aSPtr = (const struct extFloat80M *) aPtr;
    bSPtr = (const struct extFloat80M *) bPtr;
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    uiA64 = aSPtr->signExp;
    uiA0  = aSPtr->signif;
    uiB64 = bSPtr->signExp;
    uiB0  = bSPtr->signif;
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    if ( isNaNExtF80UI( uiA64, uiA0 ) || isNaNExtF80UI( uiB64, uiB0 ) ) {
        if (
               softfloat_isSigNaNExtF80UI( uiA64, uiA0 )
            || softfloat_isSigNaNExtF80UI( uiB64, uiB0 )
        ) {
            softfloat_raiseFlags( softfloat_flag_invalid );
        }
        return false;
    }
    /*------------------------------------------------------------------------
    *------------------------------------------------------------------------*/
    if ( uiA0 == uiB0 ) {
        return (uiA64 == uiB64) || ! uiA0;
    } else {
        if ( ! ((uiA0 & uiB0) & UINT64_C( 0x8000000000000000 )) ) {
            return ! softfloat_compareNonnormExtF80M( aSPtr, bSPtr );
        }
        return false;
    }

}

Exemple #5

Fichier : s_tryPropagateNaNExtF80M.c Projet : jeffhammond/SoftFloat-3

bool
 softfloat_tryPropagateNaNExtF80M(
     const struct extFloat80M *aSPtr,
     const struct extFloat80M *bSPtr,
     struct extFloat80M *zSPtr
 )
{
    uint_fast16_t ui64;
    uint64_t ui0;

    ui64 = aSPtr->signExp;
    ui0  = aSPtr->signif;
    if ( isNaNExtF80UI( ui64, ui0 ) ) goto propagateNaN;
    ui64 = bSPtr->signExp;
    ui0  = bSPtr->signif;
    if ( isNaNExtF80UI( ui64, ui0 ) ) goto propagateNaN;
    return false;
 propagateNaN:
    softfloat_propagateNaNExtF80M( aSPtr, bSPtr, zSPtr );
    return true;

}