4013 static int decimal_cmp(const Decimal *pA, const Decimal *pB){  in decimal_cmp()  argument
4015   if( pA->sign!=pB->sign ){  in decimal_cmp()
4020     pA = pB;  in decimal_cmp()
4021     pB = pTemp;  in decimal_cmp()
4024   nBSig = pB->nDigit - pB->nFrac;  in decimal_cmp()
4029   if( n>pB->nDigit ) n = pB->nDigit;  in decimal_cmp()
4030   rc = memcmp(pA->a, pB->a, n);  in decimal_cmp()
4032     rc = pA->nDigit - pB->nDigit;  in decimal_cmp()
4048   Decimal *pA = 0, *pB = 0;  in decimalCmpFunc()  local
4054   pB = decimal_new(context, argv[1], 1);  in decimalCmpFunc()
4055   if( pB==0 || pB->isNull ) goto cmp_done;  in decimalCmpFunc()
4056   rc = decimal_cmp(pA, pB);  in decimalCmpFunc()
4062   decimal_free(pB);  in decimalCmpFunc()
4098 static void decimal_add(Decimal *pA, Decimal *pB){  in decimal_add()  argument
4104   if( pA->oom || pB==0 || pB->oom ){  in decimal_add()
4108   if( pA->isNull || pB->isNull ){  in decimal_add()
4114   if( nSig<pB->nDigit-pB->nFrac ){  in decimal_add()
4115     nSig = pB->nDigit - pB->nFrac;  in decimal_add()
4118   if( nFrac<pB->nFrac ) nFrac = pB->nFrac;  in decimal_add()
4121   decimal_expand(pB, nDigit, nFrac);  in decimal_add()
4122   if( pA->oom || pB->oom ){  in decimal_add()
4125     if( pA->sign==pB->sign ){  in decimal_add()
4128         int x = pA->a[i] + pB->a[i] + carry;  in decimal_add()
4140       rc = memcmp(pA->a, pB->a, nDigit);  in decimal_add()
4142         aA = pB->a;  in decimal_add()
4147         aB = pB->a;  in decimal_add()
4171 static void decimalMul(Decimal *pA, Decimal *pB){  in decimalMul()  argument
4177    || pB==0 || pB->oom || pB->isNull   in decimalMul()
4181   acc = sqlite3_malloc64( pA->nDigit + pB->nDigit + 2 );  in decimalMul()
4186   memset(acc, 0, pA->nDigit + pB->nDigit + 2);  in decimalMul()
4188   if( pB->nFrac<minFrac ) minFrac = pB->nFrac;  in decimalMul()
4192     for(j=pB->nDigit-1, k=i+j+3; j>=0; j--, k--){  in decimalMul()
4193       x = acc[k] + f*pB->a[j] + carry;  in decimalMul()
4204   pA->nDigit += pB->nDigit + 2;  in decimalMul()
4205   pA->nFrac += pB->nFrac;  in decimalMul()
4206   pA->sign ^= pB->sign;  in decimalMul()
4340   Decimal *pB = decimalNewFromText((const char*)zB, nKey2);  in decimalCollFunc()  local
4343   if( pA==0 || pB==0 ){  in decimalCollFunc()
4346     rc = decimal_cmp(pA, pB);  in decimalCollFunc()
4349   decimal_free(pB);  in decimalCollFunc()
4366   Decimal *pB = decimal_new(context, argv[1], 1);  in decimalAddFunc()  local
4368   decimal_add(pA, pB);  in decimalAddFunc()
4371   decimal_free(pB);  in decimalAddFunc()
4379   Decimal *pB = decimal_new(context, argv[1], 1);  in decimalSubFunc()  local
4381   if( pB ){  in decimalSubFunc()
4382     pB->sign = !pB->sign;  in decimalSubFunc()
4383     decimal_add(pA, pB);  in decimalSubFunc()
4387   decimal_free(pB);  in decimalSubFunc()
4460   Decimal *pB = decimal_new(context, argv[1], 1);  in decimalMulFunc()  local
4463    || pB==0 || pB->oom || pB->isNull   in decimalMulFunc()
4467   decimalMul(pA, pB);  in decimalMulFunc()
4475   decimal_free(pB);  in decimalMulFunc()