840   if (category==fcZero || category==fcInfinity)  in bitwiseIsEqual()
862   category = fcZero;  in IEEEFloat()
1240   assert(isFiniteNonZero() || category == fcZero);  in roundAwayFromZero()
1254     if (lost_fraction == lfExactlyHalf && category != fcZero)  in roundAwayFromZero()
1331       category = fcZero;  in normalize()
1371     category = fcZero;  in normalize()
1383   case PackCategoriesIntoKey(fcNaN, fcZero):  in addOrSubtractSpecials()
1387   case PackCategoriesIntoKey(fcNormal, fcZero):  in addOrSubtractSpecials()
1389   case PackCategoriesIntoKey(fcInfinity, fcZero):  in addOrSubtractSpecials()
1392   case PackCategoriesIntoKey(fcZero, fcNaN):  in addOrSubtractSpecials()
1403   case PackCategoriesIntoKey(fcZero, fcInfinity):  in addOrSubtractSpecials()
1408   case PackCategoriesIntoKey(fcZero, fcNormal):  in addOrSubtractSpecials()
1413   case PackCategoriesIntoKey(fcZero, fcZero):  in addOrSubtractSpecials()
1509   case PackCategoriesIntoKey(fcNaN, fcZero):  in multiplySpecials()
1516   case PackCategoriesIntoKey(fcZero, fcNaN):  in multiplySpecials()
1530   case PackCategoriesIntoKey(fcZero, fcNormal):  in multiplySpecials()
1531   case PackCategoriesIntoKey(fcNormal, fcZero):  in multiplySpecials()
1532   case PackCategoriesIntoKey(fcZero, fcZero):  in multiplySpecials()
1533     category = fcZero;  in multiplySpecials()
1536   case PackCategoriesIntoKey(fcZero, fcInfinity):  in multiplySpecials()
1537   case PackCategoriesIntoKey(fcInfinity, fcZero):  in multiplySpecials()
1551   case PackCategoriesIntoKey(fcZero, fcNaN):  in divideSpecials()
1557   case PackCategoriesIntoKey(fcNaN, fcZero):  in divideSpecials()
1563   case PackCategoriesIntoKey(fcInfinity, fcZero):  in divideSpecials()
1565   case PackCategoriesIntoKey(fcZero, fcInfinity):  in divideSpecials()
1566   case PackCategoriesIntoKey(fcZero, fcNormal):  in divideSpecials()
1570     category = fcZero;  in divideSpecials()
1573   case PackCategoriesIntoKey(fcNormal, fcZero):  in divideSpecials()
1578   case PackCategoriesIntoKey(fcZero, fcZero):  in divideSpecials()
1592   case PackCategoriesIntoKey(fcNaN, fcZero):  in modSpecials()
1596   case PackCategoriesIntoKey(fcZero, fcInfinity):  in modSpecials()
1597   case PackCategoriesIntoKey(fcZero, fcNormal):  in modSpecials()
1601   case PackCategoriesIntoKey(fcZero, fcNaN):  in modSpecials()
1609   case PackCategoriesIntoKey(fcNormal, fcZero):  in modSpecials()
1610   case PackCategoriesIntoKey(fcInfinity, fcZero):  in modSpecials()
1613   case PackCategoriesIntoKey(fcZero, fcZero):  in modSpecials()
1644     assert(category != fcZero || lost_fraction == lfExactlyZero);  in addOrSubtract()
1650   if (category == fcZero) {  in addOrSubtract()
1651     if (rhs.category != fcZero || (sign == rhs.sign) == subtract)  in addOrSubtract()
1788     if (category == fcZero && !(fs & opUnderflow) && sign != addend.sign)  in fusedMultiplyAdd()
1860   case PackCategoriesIntoKey(fcNaN, fcZero):  in compare()
1864   case PackCategoriesIntoKey(fcZero, fcNaN):  in compare()
1870   case PackCategoriesIntoKey(fcInfinity, fcZero):  in compare()
1871   case PackCategoriesIntoKey(fcNormal, fcZero):  in compare()
1878   case PackCategoriesIntoKey(fcZero, fcInfinity):  in compare()
1879   case PackCategoriesIntoKey(fcZero, fcNormal):  in compare()
1893   case PackCategoriesIntoKey(fcZero, fcZero):  in compare()
2050   if (category == fcZero) {  in convertToSignExtendedInteger()
2466     category = fcZero;  in convertFromDecimalString()
2644   case fcZero:  in convertToHexString()
2808   } else if (category==fcZero) {  in convertF80LongDoubleAPFloatToAPInt()
2888   } else if (category==fcZero) {  in convertQuadrupleAPFloatToAPInt()
2921   } else if (category==fcZero) {  in convertDoubleAPFloatToAPInt()
2949   } else if (category==fcZero) {  in convertFloatAPFloatToAPInt()
2976   } else if (category==fcZero) {  in convertHalfAPFloatToAPInt()
3052     category = fcZero;  in initFromF80LongDoubleAPInt()
3111     category = fcZero;  in initFromQuadrupleAPInt()
3146     category = fcZero;  in initFromDoubleAPInt()
3177     category = fcZero;  in initFromFloatAPInt()
3208     category = fcZero;  in initFromHalfAPInt()
3407   case fcZero:  in toString()
3681   case fcZero:  in next()
3689       category = fcZero;  in next()
3778   category = fcZero;  in makeZero()
4002   if (LHS.getCategory() == fcZero) {  in addWithSpecial()
4006   if (RHS.getCategory() == fcZero) {  in addWithSpecial()
4076   if ((LHS.getCategory() == fcZero && RHS.getCategory() == fcInfinity) ||  in multiply()
4077       (LHS.getCategory() == fcInfinity && RHS.getCategory() == fcZero)) {  in multiply()
4081   if (LHS.getCategory() == fcZero || LHS.getCategory() == fcInfinity) {  in multiply()
4085   if (RHS.getCategory() == fcZero || RHS.getCategory() == fcInfinity) {  in multiply()