915   if (category==fcZero || category==fcInfinity)  in bitwiseIsEqual()
1338   assert(isFiniteNonZero() || category == fcZero);  in roundAwayFromZero()
1352     if (lost_fraction == lfExactlyHalf && category != fcZero)  in roundAwayFromZero()
1432       category = fcZero;  in normalize()
1472     category = fcZero;  in normalize()
1484   case PackCategoriesIntoKey(fcZero, fcNaN):  in addOrSubtractSpecials()
1489   case PackCategoriesIntoKey(fcNaN, fcZero):  in addOrSubtractSpecials()
1499   case PackCategoriesIntoKey(fcNormal, fcZero):  in addOrSubtractSpecials()
1501   case PackCategoriesIntoKey(fcInfinity, fcZero):  in addOrSubtractSpecials()
1505   case PackCategoriesIntoKey(fcZero, fcInfinity):  in addOrSubtractSpecials()
1510   case PackCategoriesIntoKey(fcZero, fcNormal):  in addOrSubtractSpecials()
1515   case PackCategoriesIntoKey(fcZero, fcZero):  in addOrSubtractSpecials()
1608   case PackCategoriesIntoKey(fcZero, fcNaN):  in multiplySpecials()
1614   case PackCategoriesIntoKey(fcNaN, fcZero):  in multiplySpecials()
1631   case PackCategoriesIntoKey(fcZero, fcNormal):  in multiplySpecials()
1632   case PackCategoriesIntoKey(fcNormal, fcZero):  in multiplySpecials()
1633   case PackCategoriesIntoKey(fcZero, fcZero):  in multiplySpecials()
1634     category = fcZero;  in multiplySpecials()
1637   case PackCategoriesIntoKey(fcZero, fcInfinity):  in multiplySpecials()
1638   case PackCategoriesIntoKey(fcInfinity, fcZero):  in multiplySpecials()
1652   case PackCategoriesIntoKey(fcZero, fcNaN):  in divideSpecials()
1658   case PackCategoriesIntoKey(fcNaN, fcZero):  in divideSpecials()
1669   case PackCategoriesIntoKey(fcInfinity, fcZero):  in divideSpecials()
1671   case PackCategoriesIntoKey(fcZero, fcInfinity):  in divideSpecials()
1672   case PackCategoriesIntoKey(fcZero, fcNormal):  in divideSpecials()
1676     category = fcZero;  in divideSpecials()
1679   case PackCategoriesIntoKey(fcNormal, fcZero):  in divideSpecials()
1684   case PackCategoriesIntoKey(fcZero, fcZero):  in divideSpecials()
1698   case PackCategoriesIntoKey(fcZero, fcNaN):  in modSpecials()
1703   case PackCategoriesIntoKey(fcNaN, fcZero):  in modSpecials()
1713   case PackCategoriesIntoKey(fcZero, fcInfinity):  in modSpecials()
1714   case PackCategoriesIntoKey(fcZero, fcNormal):  in modSpecials()
1718   case PackCategoriesIntoKey(fcNormal, fcZero):  in modSpecials()
1719   case PackCategoriesIntoKey(fcInfinity, fcZero):  in modSpecials()
1722   case PackCategoriesIntoKey(fcZero, fcZero):  in modSpecials()
1736   case PackCategoriesIntoKey(fcZero, fcNaN):  in remainderSpecials()
1741   case PackCategoriesIntoKey(fcNaN, fcZero):  in remainderSpecials()
1751   case PackCategoriesIntoKey(fcZero, fcInfinity):  in remainderSpecials()
1752   case PackCategoriesIntoKey(fcZero, fcNormal):  in remainderSpecials()
1756   case PackCategoriesIntoKey(fcNormal, fcZero):  in remainderSpecials()
1757   case PackCategoriesIntoKey(fcInfinity, fcZero):  in remainderSpecials()
1760   case PackCategoriesIntoKey(fcZero, fcZero):  in remainderSpecials()
1791     assert(category != fcZero || lost_fraction == lfExactlyZero);  in addOrSubtract()
1797   if (category == fcZero) {  in addOrSubtract()
1798     if (rhs.category != fcZero || (sign == rhs.sign) == subtract)  in addOrSubtract()
2003     if (category == fcZero && !(fs & opUnderflow) && sign != addend.sign)  in fusedMultiplyAdd()
2119   case PackCategoriesIntoKey(fcNaN, fcZero):  in compare()
2123   case PackCategoriesIntoKey(fcZero, fcNaN):  in compare()
2129   case PackCategoriesIntoKey(fcInfinity, fcZero):  in compare()
2130   case PackCategoriesIntoKey(fcNormal, fcZero):  in compare()
2137   case PackCategoriesIntoKey(fcZero, fcInfinity):  in compare()
2138   case PackCategoriesIntoKey(fcZero, fcNormal):  in compare()
2152   case PackCategoriesIntoKey(fcZero, fcZero):  in compare()
2320   if (category == fcZero) {  in convertToSignExtendedInteger()
2751     category = fcZero;  in convertFromDecimalString()
2981   case fcZero:  in convertToHexString()
3145   } else if (category==fcZero) {  in convertF80LongDoubleAPFloatToAPInt()
3225   } else if (category==fcZero) {  in convertQuadrupleAPFloatToAPInt()
3258   } else if (category==fcZero) {  in convertDoubleAPFloatToAPInt()
3286   } else if (category==fcZero) {  in convertFloatAPFloatToAPInt()
3313   } else if (category == fcZero) {  in convertBFloatAPFloatToAPInt()
3340   } else if (category==fcZero) {  in convertHalfAPFloatToAPInt()
3789   case fcZero:  in toString()
4063   case fcZero:  in next()
4071       category = fcZero;  in next()
4172   category = fcZero;  in makeZero()
4396   if (LHS.getCategory() == fcZero) {  in addWithSpecial()
4400   if (RHS.getCategory() == fcZero) {  in addWithSpecial()
4470   if ((LHS.getCategory() == fcZero && RHS.getCategory() == fcInfinity) ||  in multiply()
4471       (LHS.getCategory() == fcInfinity && RHS.getCategory() == fcZero)) {  in multiply()
4475   if (LHS.getCategory() == fcZero || LHS.getCategory() == fcInfinity) {  in multiply()
4479   if (RHS.getCategory() == fcZero || RHS.getCategory() == fcInfinity) {  in multiply()