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-rw-r--r--tools/source/generic/bigint.cxx59
1 files changed, 21 insertions, 38 deletions
diff --git a/tools/source/generic/bigint.cxx b/tools/source/generic/bigint.cxx
index 6616ef76f423..5c8c7771a2c5 100644
--- a/tools/source/generic/bigint.cxx
+++ b/tools/source/generic/bigint.cxx
@@ -41,7 +41,7 @@ const sal_Int32 MY_MINLONG = -MY_MAXLONG;
// TODO: Needs conversion to sal_uInt16/INT16/sal_uInt32/sal_Int32
void BigInt::MakeBigInt( const BigInt& rVal )
{
- if ( rVal.bIsBig )
+ if ( rVal.nLen != 0 )
{
memcpy( static_cast<void*>(this), static_cast<const void*>(&rVal), sizeof( BigInt ) );
while ( nLen > 1 && nNum[nLen-1] == 0 )
@@ -50,7 +50,6 @@ void BigInt::MakeBigInt( const BigInt& rVal )
else
{
nVal = rVal.nVal;
- bIsBig = true;
sal_uInt32 nTmp;
if (nVal < 0)
{
@@ -74,7 +73,7 @@ void BigInt::MakeBigInt( const BigInt& rVal )
void BigInt::Normalize()
{
- if ( bIsBig )
+ if ( nLen != 0 )
{
while ( nLen > 1 && nNum[nLen-1] == 0 )
nLen--;
@@ -88,7 +87,7 @@ void BigInt::Normalize()
else
nVal = (static_cast<sal_Int32>(nNum[1]) << 16) + nNum[0];
- bIsBig = false;
+ nLen = 0;
if ( bIsNeg )
nVal = -nVal;
@@ -120,7 +119,6 @@ void BigInt::Mult( const BigInt &rVal, sal_uInt16 nMul )
else
nLen = rVal.nLen;
- bIsBig = true;
bIsNeg = rVal.bIsNeg;
}
@@ -195,7 +193,6 @@ void BigInt::AddLong( BigInt& rB, BigInt& rErg )
// Set length and sign
rErg.nLen = len;
rErg.bIsNeg = bIsNeg && rB.bIsNeg;
- rErg.bIsBig = true;
}
// If one of the values is negative, perform subtraction instead
else if (bIsNeg)
@@ -263,7 +260,6 @@ void BigInt::SubLong( BigInt& rB, BigInt& rErg )
rErg.bIsNeg = !bIsNeg;
}
rErg.nLen = len;
- rErg.bIsBig = true;
}
// If one of the values is negative, perform addition instead
else if (bIsNeg)
@@ -288,7 +284,6 @@ void BigInt::MultLong( const BigInt& rB, BigInt& rErg ) const
sal_uInt32 nZ, k;
rErg.bIsNeg = bIsNeg != rB.bIsNeg;
- rErg.bIsBig = true;
rErg.nLen = nLen + rB.nLen;
for (i = 0; i < rErg.nLen; i++)
@@ -370,7 +365,6 @@ void BigInt::DivLong( const BigInt& rB, BigInt& rErg ) const
}
rErg.bIsNeg = bIsNeg != rB.bIsNeg;
- rErg.bIsBig = true;
rErg.nLen = nLen - rB.nLen + 1;
}
@@ -441,7 +435,7 @@ void BigInt::ModLong( const BigInt& rB, BigInt& rErg ) const
bool BigInt::ABS_IsLess( const BigInt& rB ) const
{
- if (bIsBig || rB.bIsBig)
+ if (nLen != 0 || rB.nLen != 0)
{
BigInt nA, nB;
nA.MakeBigInt( *this );
@@ -473,20 +467,16 @@ BigInt::BigInt( const BigInt& rBigInt )
: nLen(0)
, bIsNeg(false)
{
- if ( rBigInt.bIsBig )
+ if ( rBigInt.nLen != 0 )
memcpy( static_cast<void*>(this), static_cast<const void*>(&rBigInt), sizeof( BigInt ) );
else
- {
- bIsBig = false;
- nVal = rBigInt.nVal;
- }
+ nVal = rBigInt.nVal;
}
BigInt::BigInt( const OUString& rString )
: nLen(0)
{
bIsNeg = false;
- bIsBig = false;
nVal = 0;
bool bNeg = false;
@@ -502,7 +492,7 @@ BigInt::BigInt( const OUString& rString )
*this += *p - '0';
p++;
}
- if ( bIsBig )
+ if ( nLen != 0 )
bIsNeg = bNeg;
else if( bNeg )
nVal = -nVal;
@@ -523,14 +513,11 @@ BigInt::BigInt( double nValue )
if ( nValue < 1 )
{
- bIsBig = false;
nVal = 0;
nLen = 0;
}
else
{
- bIsBig = true;
-
int i=0;
while ( ( nValue > 65536.0 ) && ( i < MAX_DIGITS ) )
@@ -555,7 +542,6 @@ BigInt::BigInt( sal_uInt32 nValue )
{
if ( nValue & 0x80000000U )
{
- bIsBig = true;
bIsNeg = false;
nNum[0] = static_cast<sal_uInt16>(nValue & 0xffffU);
nNum[1] = static_cast<sal_uInt16>(nValue >> 16);
@@ -563,7 +549,6 @@ BigInt::BigInt( sal_uInt32 nValue )
}
else
{
- bIsBig = false;
bIsNeg = false;
nVal = nValue;
nLen = 0;
@@ -578,12 +563,10 @@ BigInt::BigInt( sal_Int64 nValue )
if ((nValue >= SAL_MIN_INT32) && (nValue <= SAL_MAX_INT32))
{
- bIsBig = false;
- nVal = static_cast<sal_Int32>(nValue);
+ nVal = static_cast<sal_Int32>(nValue);
}
else
{
- bIsBig = true;
sal_uInt64 nUValue = static_cast<sal_uInt64>(bIsNeg ? -nValue : nValue);
for (int i = 0; (i != sizeof(sal_uInt64) / 2) && (nUValue != 0); ++i)
{
@@ -596,7 +579,7 @@ BigInt::BigInt( sal_Int64 nValue )
BigInt::operator double() const
{
- if ( !bIsBig )
+ if ( nLen == 0 )
return static_cast<double>(nVal);
else
{
@@ -622,19 +605,19 @@ BigInt& BigInt::operator=( const BigInt& rBigInt )
if (this == &rBigInt)
return *this;
- if ( rBigInt.bIsBig )
+ if ( rBigInt.nLen != 0 )
memcpy( static_cast<void*>(this), static_cast<const void*>(&rBigInt), sizeof( BigInt ) );
else
{
- bIsBig = false;
- nVal = rBigInt.nVal;
+ nLen = 0;
+ nVal = rBigInt.nVal;
}
return *this;
}
BigInt& BigInt::operator+=( const BigInt& rVal )
{
- if ( !bIsBig && !rVal.bIsBig )
+ if ( nLen == 0 && rVal.nLen == 0 )
{
if( nVal <= MY_MAXLONG && rVal.nVal <= MY_MAXLONG
&& nVal >= MY_MINLONG && rVal.nVal >= MY_MINLONG )
@@ -660,7 +643,7 @@ BigInt& BigInt::operator+=( const BigInt& rVal )
BigInt& BigInt::operator-=( const BigInt& rVal )
{
- if ( !bIsBig && !rVal.bIsBig )
+ if ( nLen == 0 && rVal.nLen == 0 )
{
if ( nVal <= MY_MAXLONG && rVal.nVal <= MY_MAXLONG &&
nVal >= MY_MINLONG && rVal.nVal >= MY_MINLONG )
@@ -689,7 +672,7 @@ BigInt& BigInt::operator*=( const BigInt& rVal )
static const sal_Int32 MY_MAXSHORT = 0x00007fff;
static const sal_Int32 MY_MINSHORT = -MY_MAXSHORT;
- if ( !bIsBig && !rVal.bIsBig
+ if ( nLen == 0 && rVal.nLen == 0
&& nVal <= MY_MAXSHORT && rVal.nVal <= MY_MAXSHORT
&& nVal >= MY_MINSHORT && rVal.nVal >= MY_MINSHORT )
// TODO: not optimal !!! W.P.
@@ -709,7 +692,7 @@ BigInt& BigInt::operator*=( const BigInt& rVal )
BigInt& BigInt::operator/=( const BigInt& rVal )
{
- if ( !rVal.bIsBig )
+ if ( rVal.nLen == 0 )
{
if ( rVal.nVal == 0 )
{
@@ -717,7 +700,7 @@ BigInt& BigInt::operator/=( const BigInt& rVal )
return *this;
}
- if ( !bIsBig )
+ if ( nLen == 0 )
{
// No overflows may occur here
nVal /= rVal.nVal;
@@ -768,7 +751,7 @@ BigInt& BigInt::operator/=( const BigInt& rVal )
BigInt& BigInt::operator%=( const BigInt& rVal )
{
- if ( !rVal.bIsBig )
+ if ( rVal.nLen == 0 )
{
if ( rVal.nVal == 0 )
{
@@ -776,7 +759,7 @@ BigInt& BigInt::operator%=( const BigInt& rVal )
return *this;
}
- if ( !bIsBig )
+ if ( nLen == 0 )
{
// No overflows may occur here
nVal %= rVal.nVal;
@@ -815,7 +798,7 @@ BigInt& BigInt::operator%=( const BigInt& rVal )
bool operator==( const BigInt& rVal1, const BigInt& rVal2 )
{
- if (!rVal1.bIsBig && !rVal2.bIsBig)
+ if (rVal1.nLen == 0 && rVal2.nLen == 0)
return rVal1.nVal == rVal2.nVal;
BigInt nA, nB;
@@ -827,7 +810,7 @@ bool operator==( const BigInt& rVal1, const BigInt& rVal2 )
bool operator<( const BigInt& rVal1, const BigInt& rVal2 )
{
- if (!rVal1.bIsBig && !rVal2.bIsBig)
+ if (rVal1.nLen == 0 && rVal2.nLen == 0)
return rVal1.nVal < rVal2.nVal;
BigInt nA, nB;
generated by cgit (git 2.34.1) at 2024-12-29 00:46:13 +0000