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Overview
| Comment: | Fix all known instances of signed-integer overflow. Within SQL expressions, integer overflow now forces coercion to floating point. The shift operators work with any integer right-hand operand with negative values reversing the direction of the shift. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
abf21394124a0af46f072793718964ce |
| User & Date: | drh 2011-03-05 20:59:46 |
Context
|
2011-03-05
| ||
| 21:41 | Simplifications to the overflow-free multiplier. Also remove some commented-out code that was left in that subroutine by mistake on the previous check-in. check-in: 55fc25fd user: drh tags: trunk | |
| 20:59 | Fix all known instances of signed-integer overflow. Within SQL expressions, integer overflow now forces coercion to floating point. The shift operators work with any integer right-hand operand with negative values reversing the direction of the shift. check-in: abf21394 user: drh tags: trunk | |
| 13:54 | Fix an instance of signed arithmetic overflow and an one bit-shift overflow. Mark six other signed arithmetic overflow locations that need fixing. check-in: 04abab71 user: drh tags: trunk | |
Changes
Changes to src/expr.c.
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int c;
i64 value;
const char *z = pExpr->u.zToken;
assert( z!=0 );
c = sqlite3Atoi64(z, &value, sqlite3Strlen30(z), SQLITE_UTF8);
if( c==0 || (c==2 && negFlag) ){
char *zV;
if( negFlag ){ value = -value; } /* CLANG */
zV = dup8bytes(v, (char*)&value);
sqlite3VdbeAddOp4(v, OP_Int64, 0, iMem, 0, zV, P4_INT64);
}else{
#ifdef SQLITE_OMIT_FLOATING_POINT
sqlite3ErrorMsg(pParse, "oversized integer: %s%s", negFlag ? "-" : "", z);
#else
codeReal(v, z, negFlag, iMem);
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| |
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int c;
i64 value;
const char *z = pExpr->u.zToken;
assert( z!=0 );
c = sqlite3Atoi64(z, &value, sqlite3Strlen30(z), SQLITE_UTF8);
if( c==0 || (c==2 && negFlag) ){
char *zV;
if( negFlag ){ value = c==2 ? SMALLEST_INT64 : -value; }
zV = dup8bytes(v, (char*)&value);
sqlite3VdbeAddOp4(v, OP_Int64, 0, iMem, 0, zV, P4_INT64);
}else{
#ifdef SQLITE_OMIT_FLOATING_POINT
sqlite3ErrorMsg(pParse, "oversized integer: %s%s", negFlag ? "-" : "", z);
#else
codeReal(v, z, negFlag, iMem);
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Changes to src/func.c.
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p = sqlite3_aggregate_context(context, sizeof(*p));
type = sqlite3_value_numeric_type(argv[0]);
if( p && type!=SQLITE_NULL ){
p->cnt++;
if( type==SQLITE_INTEGER ){
i64 v = sqlite3_value_int64(argv[0]);
p->rSum += v;
if( (p->approx|p->overflow)==0 ){
i64 iNewSum = p->iSum + v; /* CLANG */
int s1 = (int)(p->iSum >> (sizeof(i64)*8-1));
int s2 = (int)(v >> (sizeof(i64)*8-1));
int s3 = (int)(iNewSum >> (sizeof(i64)*8-1));
p->overflow = ((s1&s2&~s3) | (~s1&~s2&s3))?1:0;
p->iSum = iNewSum;
}
}else{
p->rSum += sqlite3_value_double(argv[0]);
p->approx = 1;
}
}
}
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p = sqlite3_aggregate_context(context, sizeof(*p));
type = sqlite3_value_numeric_type(argv[0]);
if( p && type!=SQLITE_NULL ){
p->cnt++;
if( type==SQLITE_INTEGER ){
i64 v = sqlite3_value_int64(argv[0]);
p->rSum += v;
if( (p->approx|p->overflow)==0 && sqlite3AddInt64(&p->iSum, v) ){
p->overflow = 1;
}
}else{
p->rSum += sqlite3_value_double(argv[0]);
p->approx = 1;
}
}
}
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Changes to src/printf.c.
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v = va_arg(ap,i64);
}else if( flag_long ){
v = va_arg(ap,long int);
}else{
v = va_arg(ap,int);
}
if( v<0 ){
longvalue = -v; /* CLANG */
prefix = '-';
}else{
longvalue = v;
if( flag_plussign ) prefix = '+';
else if( flag_blanksign ) prefix = ' ';
else prefix = 0;
}
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v = va_arg(ap,i64);
}else if( flag_long ){
v = va_arg(ap,long int);
}else{
v = va_arg(ap,int);
}
if( v<0 ){
if( v==SMALLEST_INT64 ){
longvalue = ((u64)1)<<63;
}else{
longvalue = -v;
}
prefix = '-';
}else{
longvalue = v;
if( flag_plussign ) prefix = '+';
else if( flag_blanksign ) prefix = ' ';
else prefix = 0;
}
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Changes to src/sqliteInt.h.
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CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName);
CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr);
Expr *sqlite3ExprSetColl(Expr*, CollSeq*);
Expr *sqlite3ExprSetCollByToken(Parse *pParse, Expr*, Token*);
int sqlite3CheckCollSeq(Parse *, CollSeq *);
int sqlite3CheckObjectName(Parse *, const char *);
void sqlite3VdbeSetChanges(sqlite3 *, int);
const void *sqlite3ValueText(sqlite3_value*, u8);
int sqlite3ValueBytes(sqlite3_value*, u8);
void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8,
void(*)(void*));
void sqlite3ValueFree(sqlite3_value*);
sqlite3_value *sqlite3ValueNew(sqlite3 *);
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CollSeq *sqlite3LocateCollSeq(Parse *pParse, const char*zName); CollSeq *sqlite3ExprCollSeq(Parse *pParse, Expr *pExpr); Expr *sqlite3ExprSetColl(Expr*, CollSeq*); Expr *sqlite3ExprSetCollByToken(Parse *pParse, Expr*, Token*); int sqlite3CheckCollSeq(Parse *, CollSeq *); int sqlite3CheckObjectName(Parse *, const char *); void sqlite3VdbeSetChanges(sqlite3 *, int); int sqlite3AddInt64(i64*,i64); int sqlite3SubInt64(i64*,i64); int sqlite3MulInt64(i64*,i64); const void *sqlite3ValueText(sqlite3_value*, u8); int sqlite3ValueBytes(sqlite3_value*, u8); void sqlite3ValueSetStr(sqlite3_value*, int, const void *,u8, void(*)(void*)); void sqlite3ValueFree(sqlite3_value*); sqlite3_value *sqlite3ValueNew(sqlite3 *); |
Changes to src/util.c.
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testcase( c==(+1) );
}
return c;
}
/*
** Convert zNum to a 64-bit signed integer and write
** the value of the integer into *pNum.
** If zNum is exactly 9223372036854665808, return 2.
** This is a special case as the context will determine
** if it is too big (used as a negative).
** If zNum is not an integer or is an integer that
** is too large to be expressed with 64 bits,
** then return 1. Otherwise return 0.
**
** length is the number of bytes in the string (bytes, not characters).
** The string is not necessarily zero-terminated. The encoding is
** given by enc.
*/
int sqlite3Atoi64(const char *zNum, i64 *pNum, int length, u8 enc){
int incr = (enc==SQLITE_UTF8?1:2);
i64 v = 0;
int neg = 0; /* assume positive */
int i;
int c = 0;
const char *zStart;
const char *zEnd = zNum + length;
if( enc==SQLITE_UTF16BE ) zNum++;
while( zNum<zEnd && sqlite3Isspace(*zNum) ) zNum+=incr;
if( zNum>=zEnd ) goto do_atoi_calc;
if( *zNum=='-' ){
neg = 1;
zNum+=incr;
}else if( *zNum=='+' ){
zNum+=incr;
}
do_atoi_calc:
zStart = zNum;
while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
v = v*10 + c - '0'; /* CLANG */
}
*pNum = neg ? -v : v; /* CLANG */
testcase( i==18 );
testcase( i==19 );
testcase( i==20 );
if( (c!=0 && &zNum[i]<zEnd) || (i==0 && zStart==zNum) || i>19*incr ){
/* zNum is empty or contains non-numeric text or is longer
** than 19 digits (thus guaranteeing that it is too large) */
return 1;
}else if( i<19*incr ){
/* Less than 19 digits, so we know that it fits in 64 bits */
return 0;
}else{
/* 19-digit numbers must be no larger than 9223372036854775807 if positive
** or 9223372036854775808 if negative. Note that 9223372036854665808
** is 2^63. Return 1 if to large */
c=compare2pow63(zNum, incr);
if( c==0 && neg==0 ) return 2; /* too big, exactly 9223372036854665808 */
return c<neg ? 0 : 1;
}
}
/*
** If zNum represents an integer that will fit in 32-bits, then set
** *pValue to that integer and return true. Otherwise return false.
**
................................................................................
testcase( sqlite3GlobalConfig.xLog!=0 );
logBadConnection("invalid");
return 0;
}else{
return 1;
}
}
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testcase( c==(+1) );
}
return c;
}
/*
** Convert zNum to a 64-bit signed integer.
**
** If the zNum value is representable as a 64-bit twos-complement
** integer, then write that value into *pNum and return 0.
**
** If zNum is exactly 9223372036854665808, return 2. This special
** case is broken out because while 9223372036854665808 cannot be a
** signed 64-bit integer, its negative -9223372036854665808 can be.
**
** If zNum is too big for a 64-bit integer and is not
** 9223372036854665808 then return 1.
**
** length is the number of bytes in the string (bytes, not characters).
** The string is not necessarily zero-terminated. The encoding is
** given by enc.
*/
int sqlite3Atoi64(const char *zNum, i64 *pNum, int length, u8 enc){
int incr = (enc==SQLITE_UTF8?1:2);
u64 u = 0;
int neg = 0; /* assume positive */
int i;
int c = 0;
const char *zStart;
const char *zEnd = zNum + length;
if( enc==SQLITE_UTF16BE ) zNum++;
while( zNum<zEnd && sqlite3Isspace(*zNum) ) zNum+=incr;
if( zNum<zEnd ){
if( *zNum=='-' ){
neg = 1;
zNum+=incr;
}else if( *zNum=='+' ){
zNum+=incr;
}
}
zStart = zNum;
while( zNum<zEnd && zNum[0]=='0' ){ zNum+=incr; } /* Skip leading zeros. */
for(i=0; &zNum[i]<zEnd && (c=zNum[i])>='0' && c<='9'; i+=incr){
u = u*10 + c - '0';
}
if( u>LARGEST_INT64 ){
*pNum = SMALLEST_INT64;
}else if( neg ){
*pNum = -(i64)u;
}else{
*pNum = (i64)u;
}
testcase( i==18 );
testcase( i==19 );
testcase( i==20 );
if( (c!=0 && &zNum[i]<zEnd) || (i==0 && zStart==zNum) || i>19*incr ){
/* zNum is empty or contains non-numeric text or is longer
** than 19 digits (thus guaranteeing that it is too large) */
return 1;
}else if( i<19*incr ){
/* Less than 19 digits, so we know that it fits in 64 bits */
assert( u<=LARGEST_INT64 );
return 0;
}else{
/* zNum is a 19-digit numbers. Compare it against 9223372036854775808. */
c = compare2pow63(zNum, incr);
if( c<0 ){
/* zNum is less than 9223372036854775808 so it fits */
assert( u<=LARGEST_INT64 );
return 0;
}else if( c>0 ){
/* zNum is greater than 9223372036854775808 so it overflows */
return 1;
}else{
/* zNum is exactly 9223372036854775808. Fits if negative. The
** special case 2 overflow if positive */
assert( u-1==LARGEST_INT64 );
assert( (*pNum)==SMALLEST_INT64 );
return neg ? 0 : 2;
}
}
}
/*
** If zNum represents an integer that will fit in 32-bits, then set
** *pValue to that integer and return true. Otherwise return false.
**
................................................................................
testcase( sqlite3GlobalConfig.xLog!=0 );
logBadConnection("invalid");
return 0;
}else{
return 1;
}
}
/*
** Attempt to add, substract, or multiply the 64-bit signed value iB against
** the other 64-bit signed integer at *pA and store the result in *pA.
** Return 0 on success. Or if the operation would have resulted in an
** overflow, leave *pA unchanged and return 1.
*/
int sqlite3AddInt64(i64 *pA, i64 iB){
i64 iA = *pA;
testcase( iA==0 ); testcase( iA==1 );
testcase( iB==-1 ); testcase( iB==0 );
if( iB>=0 ){
testcase( iA>0 && LARGEST_INT64 - iA == iB );
testcase( iA>0 && LARGEST_INT64 - iA == iB - 1 );
if( iA>0 && LARGEST_INT64 - iA < iB ) return 1;
*pA += iB;
}else{
testcase( iA<0 && -(iA + LARGEST_INT64) == iB + 1 );
testcase( iA<0 && -(iA + LARGEST_INT64) == iB + 2 );
if( iA<0 && -(iA + LARGEST_INT64) > iB + 1 ) return 1;
*pA += iB;
}
return 0;
}
int sqlite3SubInt64(i64 *pA, i64 iB){
testcase( iB==SMALLEST_INT64+1 );
if( iB==SMALLEST_INT64 ){
testcase( (*pA)==(-1) ); testcase( (*pA)==0 );
if( (*pA)>=0 ) return 1;
*pA -= iB;
return 0;
}else{
return sqlite3AddInt64(pA, -iB);
}
}
#define TWOPOWER32 (((i64)1)<<32)
#define TWOPOWER31 (((i64)1)<<31)
int sqlite3MulInt64(i64 *pA, i64 iB){
i64 iA = *pA;
i64 iA1, iA0, iB1, iB0, r;
// if( iB==1 ){ return 0; }
// if( iA==1 ){ *pA = iB; return 0; }
iA1 = iA/TWOPOWER32;
iA0 = iA % TWOPOWER32;
iB1 = iB/TWOPOWER32;
iB0 = iB % TWOPOWER32;
if( iA1*iB1 != 0 ) return 1;
r = iA1*iB0;
if( sqlite3AddInt64(&r, iA0*iB1) ) return 1;
testcase( r==(-TWOPOWER31)-1 );
testcase( r==(-TWOPOWER31) );
testcase( r==TWOPOWER31 );
testcase( r==TWOPOWER31-1 );
if( r<(-TWOPOWER31) || r>=TWOPOWER31 ) return 1;
r *= TWOPOWER32;
if( sqlite3AddInt64(&r, iA0*iB0) ) return 1;
*pA = r;
return 0;
}
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Changes to src/vdbe.c.
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pOut = &aMem[pOp->p3];
flags = pIn1->flags | pIn2->flags;
if( (flags & MEM_Null)!=0 ) goto arithmetic_result_is_null;
if( (pIn1->flags & pIn2->flags & MEM_Int)==MEM_Int ){
iA = pIn1->u.i;
iB = pIn2->u.i;
switch( pOp->opcode ){
case OP_Add: iB += iA; break; /* CLANG */
case OP_Subtract: iB -= iA; break;
case OP_Multiply: iB *= iA; break;
case OP_Divide: {
if( iA==0 ) goto arithmetic_result_is_null;
/* Dividing the largest possible negative 64-bit integer (1<<63) by
** -1 returns an integer too large to store in a 64-bit data-type. On
** some architectures, the value overflows to (1<<63). On others,
** a SIGFPE is issued. The following statement normalizes this
** behavior so that all architectures behave as if integer
** overflow occurred.
*/
if( iA==-1 && iB==SMALLEST_INT64 ) iA = 1;
iB /= iA;
break;
}
default: {
if( iA==0 ) goto arithmetic_result_is_null;
if( iA==-1 ) iA = 1;
iB %= iA;
break;
}
}
pOut->u.i = iB;
MemSetTypeFlag(pOut, MEM_Int);
}else{
rA = sqlite3VdbeRealValue(pIn1);
rB = sqlite3VdbeRealValue(pIn2);
switch( pOp->opcode ){
case OP_Add: rB += rA; break;
case OP_Subtract: rB -= rA; break;
case OP_Multiply: rB *= rA; break;
case OP_Divide: {
................................................................................
** Store the result in register P3.
** If either input is NULL, the result is NULL.
*/
case OP_BitAnd: /* same as TK_BITAND, in1, in2, out3 */
case OP_BitOr: /* same as TK_BITOR, in1, in2, out3 */
case OP_ShiftLeft: /* same as TK_LSHIFT, in1, in2, out3 */
case OP_ShiftRight: { /* same as TK_RSHIFT, in1, in2, out3 */
i64 a;
i64 b;
pIn1 = &aMem[pOp->p1];
pIn2 = &aMem[pOp->p2];
pOut = &aMem[pOp->p3];
if( (pIn1->flags | pIn2->flags) & MEM_Null ){
sqlite3VdbeMemSetNull(pOut);
break;
}
a = sqlite3VdbeIntValue(pIn2);
b = sqlite3VdbeIntValue(pIn1);
switch( pOp->opcode ){
case OP_BitAnd: a &= b; break;
case OP_BitOr: a |= b; break;
case OP_ShiftLeft: a <<= b; break;
default: assert( pOp->opcode==OP_ShiftRight );
a >>= b; break;
}
pOut->u.i = a;
MemSetTypeFlag(pOut, MEM_Int);
break;
}
/* Opcode: AddImm P1 P2 * * *
**
** Add the constant P2 to the value in register P1.
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pOut = &aMem[pOp->p3];
flags = pIn1->flags | pIn2->flags;
if( (flags & MEM_Null)!=0 ) goto arithmetic_result_is_null;
if( (pIn1->flags & pIn2->flags & MEM_Int)==MEM_Int ){
iA = pIn1->u.i;
iB = pIn2->u.i;
switch( pOp->opcode ){
case OP_Add: if( sqlite3AddInt64(&iB,iA) ) goto fp_math; break;
case OP_Subtract: if( sqlite3SubInt64(&iB,iA) ) goto fp_math; break;
case OP_Multiply: if( sqlite3MulInt64(&iB,iA) ) goto fp_math; break;
case OP_Divide: {
if( iA==0 ) goto arithmetic_result_is_null;
if( iA==-1 && iB==SMALLEST_INT64 ) goto fp_math;
iB /= iA;
break;
}
default: {
if( iA==0 ) goto arithmetic_result_is_null;
if( iA==-1 ) iA = 1;
iB %= iA;
break;
}
}
pOut->u.i = iB;
MemSetTypeFlag(pOut, MEM_Int);
}else{
fp_math:
rA = sqlite3VdbeRealValue(pIn1);
rB = sqlite3VdbeRealValue(pIn2);
switch( pOp->opcode ){
case OP_Add: rB += rA; break;
case OP_Subtract: rB -= rA; break;
case OP_Multiply: rB *= rA; break;
case OP_Divide: {
................................................................................
** Store the result in register P3.
** If either input is NULL, the result is NULL.
*/
case OP_BitAnd: /* same as TK_BITAND, in1, in2, out3 */
case OP_BitOr: /* same as TK_BITOR, in1, in2, out3 */
case OP_ShiftLeft: /* same as TK_LSHIFT, in1, in2, out3 */
case OP_ShiftRight: { /* same as TK_RSHIFT, in1, in2, out3 */
i64 iA;
u64 uA;
i64 iB;
u8 op;
pIn1 = &aMem[pOp->p1];
pIn2 = &aMem[pOp->p2];
pOut = &aMem[pOp->p3];
if( (pIn1->flags | pIn2->flags) & MEM_Null ){
sqlite3VdbeMemSetNull(pOut);
break;
}
iA = sqlite3VdbeIntValue(pIn2);
iB = sqlite3VdbeIntValue(pIn1);
op = pOp->opcode;
if( op==OP_BitAnd ){
iA &= iB;
}else if( op==OP_BitOr ){
iA |= iB;
}else if( iB!=0 ){
assert( op==OP_ShiftRight || op==OP_ShiftLeft );
/* If shifting by a negative amount, shift in the other direction */
if( iB<0 ){
assert( OP_ShiftRight==OP_ShiftLeft+1 );
op = 2*OP_ShiftLeft + 1 - op;
iB = iB>(-64) ? -iB : 64;
}
if( iB>=64 ){
iA = (iA>=0 || op==OP_ShiftLeft) ? 0 : -1;
}else{
memcpy(&uA, &iA, sizeof(uA));
if( op==OP_ShiftLeft ){
uA <<= iB;
}else{
uA >>= iB;
/* Sign-extend on a right shift of a negative number */
if( iA<0 ) uA |= ((((u64)0xffffffff)<<32)|0xffffffff) << (64-iB);
}
memcpy(&iA, &uA, sizeof(iA));
}
}
pOut->u.i = iA;
MemSetTypeFlag(pOut, MEM_Int);
break;
}
/* Opcode: AddImm P1 P2 * * *
**
** Add the constant P2 to the value in register P1.
|
Changes to src/vdbemem.c.
363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 |
assert( EIGHT_BYTE_ALIGNMENT(pMem) );
flags = pMem->flags;
if( flags & MEM_Int ){
return pMem->u.i;
}else if( flags & MEM_Real ){
return doubleToInt64(pMem->r);
}else if( flags & (MEM_Str|MEM_Blob) ){
i64 value;
assert( pMem->z || pMem->n==0 );
testcase( pMem->z==0 );
sqlite3Atoi64(pMem->z, &value, pMem->n, pMem->enc);
return value;
}else{
return 0;
}
|
| |
363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 |
assert( EIGHT_BYTE_ALIGNMENT(pMem) );
flags = pMem->flags;
if( flags & MEM_Int ){
return pMem->u.i;
}else if( flags & MEM_Real ){
return doubleToInt64(pMem->r);
}else if( flags & (MEM_Str|MEM_Blob) ){
i64 value = 0;
assert( pMem->z || pMem->n==0 );
testcase( pMem->z==0 );
sqlite3Atoi64(pMem->z, &value, pMem->n, pMem->enc);
return value;
}else{
return 0;
}
|
Changes to test/expr.test.
78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 ... 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 ... 185 186 187 188 189 190 191 192 193 194 195 196 197 198 |
test_expr expr-1.41 {i1=1, i2=2} {-(i2+i1)} {-3}
test_expr expr-1.42 {i1=1, i2=2} {i1|i2} {3}
test_expr expr-1.42b {i1=1, i2=2} {4|2} {6}
test_expr expr-1.43 {i1=1, i2=2} {i1&i2} {0}
test_expr expr-1.43b {i1=1, i2=2} {4&5} {4}
test_expr expr-1.44 {i1=1} {~i1} {-2}
test_expr expr-1.44b {i1=NULL} {~i1} {{}}
test_expr expr-1.45 {i1=1, i2=3} {i1<<i2} {8}
test_expr expr-1.46 {i1=32, i2=3} {i1>>i2} {4}
test_expr expr-1.47 {i1=9999999999, i2=8888888888} {i1<i2} 0
test_expr expr-1.48 {i1=9999999999, i2=8888888888} {i1=i2} 0
test_expr expr-1.49 {i1=9999999999, i2=8888888888} {i1>i2} 1
test_expr expr-1.50 {i1=99999999999, i2=99999999998} {i1<i2} 0
test_expr expr-1.51 {i1=99999999999, i2=99999999998} {i1=i2} 0
test_expr expr-1.52 {i1=99999999999, i2=99999999998} {i1>i2} 1
test_expr expr-1.53 {i1=099999999999, i2=99999999999} {i1<i2} 0
................................................................................
ifcapable floatingpoint {
test_expr expr-1.103 {i1=0} {(-2147483648.0 % -1)} 0.0
test_expr expr-1.104 {i1=0} {(-9223372036854775808.0 % -1)} 0.0
test_expr expr-1.105 {i1=0} {(-9223372036854775808.0 / -1)>1} 1
}
if {[working_64bit_int]} {
test_expr expr-1.106 {i1=0} {(1<<63)/-1} -9223372036854775808
}
test_expr expr-1.107 {i1=0} {(1<<63)%-1} 0
test_expr expr-1.108 {i1=0} {1%0} {{}}
test_expr expr-1.109 {i1=0} {1/0} {{}}
if {[working_64bit_int]} {
test_expr expr-1.110 {i1=0} {-9223372036854775807/-1} 9223372036854775807
}
................................................................................
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.124 {i1=NULL, i2=NULL} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} no
test_expr expr-1.125 {i1=6, i2=NULL} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.126 {i1=8, i2=8} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} no
ifcapable floatingpoint {
test_expr expr-2.1 {r1=1.23, r2=2.34} {r1+r2} 3.57
test_expr expr-2.2 {r1=1.23, r2=2.34} {r1-r2} -1.11
test_expr expr-2.3 {r1=1.23, r2=2.34} {r1*r2} 2.8782
}
set tcl_precision 15
|
| > > > > > > | > > > > | | > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > |
78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 ... 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 ... 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 |
test_expr expr-1.41 {i1=1, i2=2} {-(i2+i1)} {-3}
test_expr expr-1.42 {i1=1, i2=2} {i1|i2} {3}
test_expr expr-1.42b {i1=1, i2=2} {4|2} {6}
test_expr expr-1.43 {i1=1, i2=2} {i1&i2} {0}
test_expr expr-1.43b {i1=1, i2=2} {4&5} {4}
test_expr expr-1.44 {i1=1} {~i1} {-2}
test_expr expr-1.44b {i1=NULL} {~i1} {{}}
test_expr expr-1.45a {i1=1, i2=3} {i1<<i2} {8}
test_expr expr-1.45b {i1=1, i2=-3} {i1>>i2} {8}
test_expr expr-1.45c {i1=1, i2=0} {i1<<i2} {1}
test_expr expr-1.45d {i1=1, i2=62} {i1<<i2} {4611686018427387904}
test_expr expr-1.45e {i1=1, i2=63} {i1<<i2} {-9223372036854775808}
test_expr expr-1.45f {i1=1, i2=64} {i1<<i2} {0}
test_expr expr-1.45g {i1=32, i2=-9223372036854775808} {i1>>i2} {0}
test_expr expr-1.46a {i1=32, i2=3} {i1>>i2} {4}
test_expr expr-1.46b {i1=32, i2=6} {i1>>i2} {0}
test_expr expr-1.46c {i1=-32, i2=3} {i1>>i2} {-4}
test_expr expr-1.46d {i1=-32, i2=100} {i1>>i2} {-1}
test_expr expr-1.46e {i1=32, i2=-3} {i1>>i2} {256}
test_expr expr-1.47 {i1=9999999999, i2=8888888888} {i1<i2} 0
test_expr expr-1.48 {i1=9999999999, i2=8888888888} {i1=i2} 0
test_expr expr-1.49 {i1=9999999999, i2=8888888888} {i1>i2} 1
test_expr expr-1.50 {i1=99999999999, i2=99999999998} {i1<i2} 0
test_expr expr-1.51 {i1=99999999999, i2=99999999998} {i1=i2} 0
test_expr expr-1.52 {i1=99999999999, i2=99999999998} {i1>i2} 1
test_expr expr-1.53 {i1=099999999999, i2=99999999999} {i1<i2} 0
................................................................................
ifcapable floatingpoint {
test_expr expr-1.103 {i1=0} {(-2147483648.0 % -1)} 0.0
test_expr expr-1.104 {i1=0} {(-9223372036854775808.0 % -1)} 0.0
test_expr expr-1.105 {i1=0} {(-9223372036854775808.0 / -1)>1} 1
}
if {[working_64bit_int]} {
test_expr expr-1.106 {i1=0} {-9223372036854775808/-1} 9.22337203685478e+18
}
test_expr expr-1.107 {i1=0} {-9223372036854775808%-1} 0
test_expr expr-1.108 {i1=0} {1%0} {{}}
test_expr expr-1.109 {i1=0} {1/0} {{}}
if {[working_64bit_int]} {
test_expr expr-1.110 {i1=0} {-9223372036854775807/-1} 9223372036854775807
}
................................................................................
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.124 {i1=NULL, i2=NULL} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} no
test_expr expr-1.125 {i1=6, i2=NULL} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} yes
test_expr expr-1.126 {i1=8, i2=8} \
{CASE WHEN i1 IS NOT i2 THEN 'yes' ELSE 'no' END} no
ifcapable floatingpoint {if {[working_64bit_int]} {
test_expr expr-1.200\
{i1=9223372036854775806, i2=1} {i1+i2} 9223372036854775807
test_expr expr-1.201\
{i1=9223372036854775806, i2=2} {i1+i2} 9.22337203685478e+18
test_expr expr-1.202\
{i1=9223372036854775806, i2=100000} {i1+i2} 9.22337203685488e+18
test_expr expr-1.203\
{i1=9223372036854775807, i2=0} {i1+i2} 9223372036854775807
test_expr expr-1.204\
{i1=9223372036854775807, i2=1} {i1+i2} 9.22337203685478e+18
test_expr expr-1.205\
{i2=9223372036854775806, i1=1} {i1+i2} 9223372036854775807
test_expr expr-1.206\
{i2=9223372036854775806, i1=2} {i1+i2} 9.22337203685478e+18
test_expr expr-1.207\
{i2=9223372036854775806, i1=100000} {i1+i2} 9.22337203685488e+18
test_expr expr-1.208\
{i2=9223372036854775807, i1=0} {i1+i2} 9223372036854775807
test_expr expr-1.209\
{i2=9223372036854775807, i1=1} {i1+i2} 9.22337203685478e+18
test_expr expr-1.210\
{i1=-9223372036854775807, i2=-1} {i1+i2} -9223372036854775808
test_expr expr-1.211\
{i1=-9223372036854775807, i2=-2} {i1+i2} -9.22337203685478e+18
test_expr expr-1.212\
{i1=-9223372036854775807, i2=-100000} {i1+i2} -9.22337203685488e+18
test_expr expr-1.213\
{i1=-9223372036854775808, i2=0} {i1+i2} -9223372036854775808
test_expr expr-1.214\
{i1=-9223372036854775808, i2=-1} {i1+i2} -9.22337203685478e+18
test_expr expr-1.215\
{i2=-9223372036854775807, i1=-1} {i1+i2} -9223372036854775808
test_expr expr-1.216\
{i2=-9223372036854775807, i1=-2} {i1+i2} -9.22337203685478e+18
test_expr expr-1.217\
{i2=-9223372036854775807, i1=-100000} {i1+i2} -9.22337203685488e+18
test_expr expr-1.218\
{i2=-9223372036854775808, i1=0} {i1+i2} -9223372036854775808
test_expr expr-1.219\
{i2=-9223372036854775808, i1=-1} {i1+i2} -9.22337203685478e+18
test_expr expr-1.220\
{i1=9223372036854775806, i2=-1} {i1-i2} 9223372036854775807
test_expr expr-1.221\
{i1=9223372036854775806, i2=-2} {i1-i2} 9.22337203685478e+18
test_expr expr-1.222\
{i1=9223372036854775806, i2=-100000} {i1-i2} 9.22337203685488e+18
test_expr expr-1.223\
{i1=9223372036854775807, i2=0} {i1-i2} 9223372036854775807
test_expr expr-1.224\
{i1=9223372036854775807, i2=-1} {i1-i2} 9.22337203685478e+18
test_expr expr-1.225\
{i2=-9223372036854775806, i1=1} {i1-i2} 9223372036854775807
test_expr expr-1.226\
{i2=-9223372036854775806, i1=2} {i1-i2} 9.22337203685478e+18
test_expr expr-1.227\
{i2=-9223372036854775806, i1=100000} {i1-i2} 9.22337203685488e+18
test_expr expr-1.228\
{i2=-9223372036854775807, i1=0} {i1-i2} 9223372036854775807
test_expr expr-1.229\
{i2=-9223372036854775807, i1=1} {i1-i2} 9.22337203685478e+18
test_expr expr-1.230\
{i1=-9223372036854775807, i2=1} {i1-i2} -9223372036854775808
test_expr expr-1.231\
{i1=-9223372036854775807, i2=2} {i1-i2} -9.22337203685478e+18
test_expr expr-1.232\
{i1=-9223372036854775807, i2=100000} {i1-i2} -9.22337203685488e+18
test_expr expr-1.233\
{i1=-9223372036854775808, i2=0} {i1-i2} -9223372036854775808
test_expr expr-1.234\
{i1=-9223372036854775808, i2=1} {i1-i2} -9.22337203685478e+18
test_expr expr-1.235\
{i2=9223372036854775807, i1=-1} {i1-i2} -9223372036854775808
test_expr expr-1.236\
{i2=9223372036854775807, i1=-2} {i1-i2} -9.22337203685478e+18
test_expr expr-1.237\
{i2=9223372036854775807, i1=-100000} {i1-i2} -9.22337203685488e+18
test_expr expr-1.238\
{i2=9223372036854775807, i1=0} {i1-i2} -9223372036854775807
test_expr expr-1.239\
{i2=9223372036854775807, i1=-1} {i1-i2} -9223372036854775808
test_expr expr-1.250\
{i1=4294967296, i2=2147483648} {i1*i2} 9.22337203685478e+18
test_expr expr-1.251\
{i1=4294967296, i2=2147483647} {i1*i2} 9223372032559808512
test_expr expr-1.252\
{i1=-4294967296, i2=2147483648} {i1*i2} -9223372036854775808
test_expr expr-1.253\
{i1=-4294967296, i2=2147483647} {i1*i2} -9223372032559808512
test_expr expr-1.254\
{i1=4294967296, i2=-2147483648} {i1*i2} -9223372036854775808
test_expr expr-1.255\
{i1=4294967296, i2=-2147483647} {i1*i2} -9223372032559808512
test_expr expr-1.256\
{i1=-4294967296, i2=-2147483648} {i1*i2} 9.22337203685478e+18
test_expr expr-1.257\
{i1=-4294967296, i2=-2147483647} {i1*i2} 9223372032559808512
}}
ifcapable floatingpoint {
test_expr expr-2.1 {r1=1.23, r2=2.34} {r1+r2} 3.57
test_expr expr-2.2 {r1=1.23, r2=2.34} {r1-r2} -1.11
test_expr expr-2.3 {r1=1.23, r2=2.34} {r1*r2} 2.8782
}
set tcl_precision 15
|