1140   if (category==fcZero || category==fcInfinity)  in bitwiseIsEqual()
1571   assert(isFiniteNonZero() || category == fcZero);  in roundAwayFromZero()
1585     if (lost_fraction == lfExactlyHalf && category != fcZero)  in roundAwayFromZero()
1672       category = fcZero;  in normalize()
1723     category = fcZero;  in normalize()
1738   case PackCategoriesIntoKey(fcZero, fcNaN):  in addOrSubtractSpecials()
1743   case PackCategoriesIntoKey(fcNaN, fcZero):  in addOrSubtractSpecials()
1753   case PackCategoriesIntoKey(fcNormal, fcZero):  in addOrSubtractSpecials()
1755   case PackCategoriesIntoKey(fcInfinity, fcZero):  in addOrSubtractSpecials()
1759   case PackCategoriesIntoKey(fcZero, fcInfinity):  in addOrSubtractSpecials()
1764   case PackCategoriesIntoKey(fcZero, fcNormal):  in addOrSubtractSpecials()
1769   case PackCategoriesIntoKey(fcZero, fcZero):  in addOrSubtractSpecials()
1862   case PackCategoriesIntoKey(fcZero, fcNaN):  in multiplySpecials()
1868   case PackCategoriesIntoKey(fcNaN, fcZero):  in multiplySpecials()
1885   case PackCategoriesIntoKey(fcZero, fcNormal):  in multiplySpecials()
1886   case PackCategoriesIntoKey(fcNormal, fcZero):  in multiplySpecials()
1887   case PackCategoriesIntoKey(fcZero, fcZero):  in multiplySpecials()
1888     category = fcZero;  in multiplySpecials()
1891   case PackCategoriesIntoKey(fcZero, fcInfinity):  in multiplySpecials()
1892   case PackCategoriesIntoKey(fcInfinity, fcZero):  in multiplySpecials()
1906   case PackCategoriesIntoKey(fcZero, fcNaN):  in divideSpecials()
1912   case PackCategoriesIntoKey(fcNaN, fcZero):  in divideSpecials()
1923   case PackCategoriesIntoKey(fcInfinity, fcZero):  in divideSpecials()
1925   case PackCategoriesIntoKey(fcZero, fcInfinity):  in divideSpecials()
1926   case PackCategoriesIntoKey(fcZero, fcNormal):  in divideSpecials()
1930     category = fcZero;  in divideSpecials()
1933   case PackCategoriesIntoKey(fcNormal, fcZero):  in divideSpecials()
1941   case PackCategoriesIntoKey(fcZero, fcZero):  in divideSpecials()
1955   case PackCategoriesIntoKey(fcZero, fcNaN):  in modSpecials()
1960   case PackCategoriesIntoKey(fcNaN, fcZero):  in modSpecials()
1970   case PackCategoriesIntoKey(fcZero, fcInfinity):  in modSpecials()
1971   case PackCategoriesIntoKey(fcZero, fcNormal):  in modSpecials()
1975   case PackCategoriesIntoKey(fcNormal, fcZero):  in modSpecials()
1976   case PackCategoriesIntoKey(fcInfinity, fcZero):  in modSpecials()
1979   case PackCategoriesIntoKey(fcZero, fcZero):  in modSpecials()
1993   case PackCategoriesIntoKey(fcZero, fcNaN):  in remainderSpecials()
1998   case PackCategoriesIntoKey(fcNaN, fcZero):  in remainderSpecials()
2008   case PackCategoriesIntoKey(fcZero, fcInfinity):  in remainderSpecials()
2009   case PackCategoriesIntoKey(fcZero, fcNormal):  in remainderSpecials()
2013   case PackCategoriesIntoKey(fcNormal, fcZero):  in remainderSpecials()
2014   case PackCategoriesIntoKey(fcInfinity, fcZero):  in remainderSpecials()
2017   case PackCategoriesIntoKey(fcZero, fcZero):  in remainderSpecials()
2053     assert(category != fcZero || lost_fraction == lfExactlyZero);  in addOrSubtract()
2059   if (category == fcZero) {  in addOrSubtract()
2060     if (rhs.category != fcZero || (sign == rhs.sign) == subtract)  in addOrSubtract()
2283     if (category == fcZero && !(fs & opUnderflow) && sign != addend.sign) {  in fusedMultiplyAdd()
2402   case PackCategoriesIntoKey(fcNaN, fcZero):  in compare()
2406   case PackCategoriesIntoKey(fcZero, fcNaN):  in compare()
2412   case PackCategoriesIntoKey(fcInfinity, fcZero):  in compare()
2413   case PackCategoriesIntoKey(fcNormal, fcZero):  in compare()
2420   case PackCategoriesIntoKey(fcZero, fcInfinity):  in compare()
2421   case PackCategoriesIntoKey(fcZero, fcNormal):  in compare()
2435   case PackCategoriesIntoKey(fcZero, fcZero):  in compare()
2590   } else if (category == fcZero &&  in convert()
2632   if (category == fcZero) {  in convertToSignExtendedInteger()
3063     category = fcZero;  in convertFromDecimalString()
3295   case fcZero:  in convertToHexString()
3459   } else if (category==fcZero) {  in convertF80LongDoubleAPFloatToAPInt()
3553   } else if (category == fcZero) {  in convertIEEEFloatToAPInt()
4347   case fcZero:  in toString()
4480   case fcZero:  in next()
4488       category = fcZero;  in next()
4609   category = fcZero;  in makeZero()
4838   if (LHS.getCategory() == fcZero) {  in addWithSpecial()
4842   if (RHS.getCategory() == fcZero) {  in addWithSpecial()
4912   if ((LHS.getCategory() == fcZero && RHS.getCategory() == fcInfinity) ||  in multiply()
4913       (LHS.getCategory() == fcInfinity && RHS.getCategory() == fcZero)) {  in multiply()
4917   if (LHS.getCategory() == fcZero || LHS.getCategory() == fcInfinity) {  in multiply()
4921   if (RHS.getCategory() == fcZero || RHS.getCategory() == fcInfinity) {  in multiply()