1111   if (category==fcZero || category==fcInfinity)  in bitwiseIsEqual()
1540   assert(isFiniteNonZero() || category == fcZero);  in roundAwayFromZero()
1554     if (lost_fraction == lfExactlyHalf && category != fcZero)  in roundAwayFromZero()
1641       category = fcZero;  in normalize()
1692     category = fcZero;  in normalize()
1707   case PackCategoriesIntoKey(fcZero, fcNaN):  in addOrSubtractSpecials()
1712   case PackCategoriesIntoKey(fcNaN, fcZero):  in addOrSubtractSpecials()
1722   case PackCategoriesIntoKey(fcNormal, fcZero):  in addOrSubtractSpecials()
1724   case PackCategoriesIntoKey(fcInfinity, fcZero):  in addOrSubtractSpecials()
1728   case PackCategoriesIntoKey(fcZero, fcInfinity):  in addOrSubtractSpecials()
1733   case PackCategoriesIntoKey(fcZero, fcNormal):  in addOrSubtractSpecials()
1738   case PackCategoriesIntoKey(fcZero, fcZero):  in addOrSubtractSpecials()
1831   case PackCategoriesIntoKey(fcZero, fcNaN):  in multiplySpecials()
1837   case PackCategoriesIntoKey(fcNaN, fcZero):  in multiplySpecials()
1854   case PackCategoriesIntoKey(fcZero, fcNormal):  in multiplySpecials()
1855   case PackCategoriesIntoKey(fcNormal, fcZero):  in multiplySpecials()
1856   case PackCategoriesIntoKey(fcZero, fcZero):  in multiplySpecials()
1857     category = fcZero;  in multiplySpecials()
1860   case PackCategoriesIntoKey(fcZero, fcInfinity):  in multiplySpecials()
1861   case PackCategoriesIntoKey(fcInfinity, fcZero):  in multiplySpecials()
1875   case PackCategoriesIntoKey(fcZero, fcNaN):  in divideSpecials()
1881   case PackCategoriesIntoKey(fcNaN, fcZero):  in divideSpecials()
1892   case PackCategoriesIntoKey(fcInfinity, fcZero):  in divideSpecials()
1894   case PackCategoriesIntoKey(fcZero, fcInfinity):  in divideSpecials()
1895   case PackCategoriesIntoKey(fcZero, fcNormal):  in divideSpecials()
1899     category = fcZero;  in divideSpecials()
1902   case PackCategoriesIntoKey(fcNormal, fcZero):  in divideSpecials()
1910   case PackCategoriesIntoKey(fcZero, fcZero):  in divideSpecials()
1924   case PackCategoriesIntoKey(fcZero, fcNaN):  in modSpecials()
1929   case PackCategoriesIntoKey(fcNaN, fcZero):  in modSpecials()
1939   case PackCategoriesIntoKey(fcZero, fcInfinity):  in modSpecials()
1940   case PackCategoriesIntoKey(fcZero, fcNormal):  in modSpecials()
1944   case PackCategoriesIntoKey(fcNormal, fcZero):  in modSpecials()
1945   case PackCategoriesIntoKey(fcInfinity, fcZero):  in modSpecials()
1948   case PackCategoriesIntoKey(fcZero, fcZero):  in modSpecials()
1962   case PackCategoriesIntoKey(fcZero, fcNaN):  in remainderSpecials()
1967   case PackCategoriesIntoKey(fcNaN, fcZero):  in remainderSpecials()
1977   case PackCategoriesIntoKey(fcZero, fcInfinity):  in remainderSpecials()
1978   case PackCategoriesIntoKey(fcZero, fcNormal):  in remainderSpecials()
1982   case PackCategoriesIntoKey(fcNormal, fcZero):  in remainderSpecials()
1983   case PackCategoriesIntoKey(fcInfinity, fcZero):  in remainderSpecials()
1986   case PackCategoriesIntoKey(fcZero, fcZero):  in remainderSpecials()
2022     assert(category != fcZero || lost_fraction == lfExactlyZero);  in addOrSubtract()
2028   if (category == fcZero) {  in addOrSubtract()
2029     if (rhs.category != fcZero || (sign == rhs.sign) == subtract)  in addOrSubtract()
2252     if (category == fcZero && !(fs & opUnderflow) && sign != addend.sign) {  in fusedMultiplyAdd()
2371   case PackCategoriesIntoKey(fcNaN, fcZero):  in compare()
2375   case PackCategoriesIntoKey(fcZero, fcNaN):  in compare()
2381   case PackCategoriesIntoKey(fcInfinity, fcZero):  in compare()
2382   case PackCategoriesIntoKey(fcNormal, fcZero):  in compare()
2389   case PackCategoriesIntoKey(fcZero, fcInfinity):  in compare()
2390   case PackCategoriesIntoKey(fcZero, fcNormal):  in compare()
2404   case PackCategoriesIntoKey(fcZero, fcZero):  in compare()
2559   } else if (category == fcZero &&  in convert()
2601   if (category == fcZero) {  in convertToSignExtendedInteger()
3032     category = fcZero;  in convertFromDecimalString()
3264   case fcZero:  in convertToHexString()
3428   } else if (category==fcZero) {  in convertF80LongDoubleAPFloatToAPInt()
3522   } else if (category == fcZero) {  in convertIEEEFloatToAPInt()
4056   case fcZero:  in toString()
4366   case fcZero:  in next()
4374       category = fcZero;  in next()
4488   category = fcZero;  in makeZero()
4717   if (LHS.getCategory() == fcZero) {  in addWithSpecial()
4721   if (RHS.getCategory() == fcZero) {  in addWithSpecial()
4791   if ((LHS.getCategory() == fcZero && RHS.getCategory() == fcInfinity) ||  in multiply()
4792       (LHS.getCategory() == fcInfinity && RHS.getCategory() == fcZero)) {  in multiply()
4796   if (LHS.getCategory() == fcZero || LHS.getCategory() == fcInfinity) {  in multiply()
4800   if (RHS.getCategory() == fcZero || RHS.getCategory() == fcInfinity) {  in multiply()