915   if (category==fcZero || category==fcInfinity)  in bitwiseIsEqual()
1321   assert(isFiniteNonZero() || category == fcZero);  in roundAwayFromZero()
1335     if (lost_fraction == lfExactlyHalf && category != fcZero)  in roundAwayFromZero()
1415       category = fcZero;  in normalize()
1455     category = fcZero;  in normalize()
1467   case PackCategoriesIntoKey(fcZero, fcNaN):  in addOrSubtractSpecials()
1472   case PackCategoriesIntoKey(fcNaN, fcZero):  in addOrSubtractSpecials()
1482   case PackCategoriesIntoKey(fcNormal, fcZero):  in addOrSubtractSpecials()
1484   case PackCategoriesIntoKey(fcInfinity, fcZero):  in addOrSubtractSpecials()
1488   case PackCategoriesIntoKey(fcZero, fcInfinity):  in addOrSubtractSpecials()
1493   case PackCategoriesIntoKey(fcZero, fcNormal):  in addOrSubtractSpecials()
1498   case PackCategoriesIntoKey(fcZero, fcZero):  in addOrSubtractSpecials()
1591   case PackCategoriesIntoKey(fcZero, fcNaN):  in multiplySpecials()
1597   case PackCategoriesIntoKey(fcNaN, fcZero):  in multiplySpecials()
1614   case PackCategoriesIntoKey(fcZero, fcNormal):  in multiplySpecials()
1615   case PackCategoriesIntoKey(fcNormal, fcZero):  in multiplySpecials()
1616   case PackCategoriesIntoKey(fcZero, fcZero):  in multiplySpecials()
1617     category = fcZero;  in multiplySpecials()
1620   case PackCategoriesIntoKey(fcZero, fcInfinity):  in multiplySpecials()
1621   case PackCategoriesIntoKey(fcInfinity, fcZero):  in multiplySpecials()
1635   case PackCategoriesIntoKey(fcZero, fcNaN):  in divideSpecials()
1641   case PackCategoriesIntoKey(fcNaN, fcZero):  in divideSpecials()
1652   case PackCategoriesIntoKey(fcInfinity, fcZero):  in divideSpecials()
1654   case PackCategoriesIntoKey(fcZero, fcInfinity):  in divideSpecials()
1655   case PackCategoriesIntoKey(fcZero, fcNormal):  in divideSpecials()
1659     category = fcZero;  in divideSpecials()
1662   case PackCategoriesIntoKey(fcNormal, fcZero):  in divideSpecials()
1667   case PackCategoriesIntoKey(fcZero, fcZero):  in divideSpecials()
1681   case PackCategoriesIntoKey(fcZero, fcNaN):  in modSpecials()
1686   case PackCategoriesIntoKey(fcNaN, fcZero):  in modSpecials()
1696   case PackCategoriesIntoKey(fcZero, fcInfinity):  in modSpecials()
1697   case PackCategoriesIntoKey(fcZero, fcNormal):  in modSpecials()
1701   case PackCategoriesIntoKey(fcNormal, fcZero):  in modSpecials()
1702   case PackCategoriesIntoKey(fcInfinity, fcZero):  in modSpecials()
1705   case PackCategoriesIntoKey(fcZero, fcZero):  in modSpecials()
1719   case PackCategoriesIntoKey(fcZero, fcNaN):  in remainderSpecials()
1724   case PackCategoriesIntoKey(fcNaN, fcZero):  in remainderSpecials()
1734   case PackCategoriesIntoKey(fcZero, fcInfinity):  in remainderSpecials()
1735   case PackCategoriesIntoKey(fcZero, fcNormal):  in remainderSpecials()
1739   case PackCategoriesIntoKey(fcNormal, fcZero):  in remainderSpecials()
1740   case PackCategoriesIntoKey(fcInfinity, fcZero):  in remainderSpecials()
1743   case PackCategoriesIntoKey(fcZero, fcZero):  in remainderSpecials()
1774     assert(category != fcZero || lost_fraction == lfExactlyZero);  in addOrSubtract()
1780   if (category == fcZero) {  in addOrSubtract()
1781     if (rhs.category != fcZero || (sign == rhs.sign) == subtract)  in addOrSubtract()
1986     if (category == fcZero && !(fs & opUnderflow) && sign != addend.sign)  in fusedMultiplyAdd()
2102   case PackCategoriesIntoKey(fcNaN, fcZero):  in compare()
2106   case PackCategoriesIntoKey(fcZero, fcNaN):  in compare()
2112   case PackCategoriesIntoKey(fcInfinity, fcZero):  in compare()
2113   case PackCategoriesIntoKey(fcNormal, fcZero):  in compare()
2120   case PackCategoriesIntoKey(fcZero, fcInfinity):  in compare()
2121   case PackCategoriesIntoKey(fcZero, fcNormal):  in compare()
2135   case PackCategoriesIntoKey(fcZero, fcZero):  in compare()
2296   if (category == fcZero) {  in convertToSignExtendedInteger()
2727     category = fcZero;  in convertFromDecimalString()
2957   case fcZero:  in convertToHexString()
3121   } else if (category==fcZero) {  in convertF80LongDoubleAPFloatToAPInt()
3201   } else if (category==fcZero) {  in convertQuadrupleAPFloatToAPInt()
3234   } else if (category==fcZero) {  in convertDoubleAPFloatToAPInt()
3262   } else if (category==fcZero) {  in convertFloatAPFloatToAPInt()
3289   } else if (category == fcZero) {  in convertBFloatAPFloatToAPInt()
3316   } else if (category==fcZero) {  in convertHalfAPFloatToAPInt()
3771   case fcZero:  in toString()
4045   case fcZero:  in next()
4053       category = fcZero;  in next()
4154   category = fcZero;  in makeZero()
4378   if (LHS.getCategory() == fcZero) {  in addWithSpecial()
4382   if (RHS.getCategory() == fcZero) {  in addWithSpecial()
4452   if ((LHS.getCategory() == fcZero && RHS.getCategory() == fcInfinity) ||  in multiply()
4453       (LHS.getCategory() == fcInfinity && RHS.getCategory() == fcZero)) {  in multiply()
4457   if (LHS.getCategory() == fcZero || LHS.getCategory() == fcInfinity) {  in multiply()
4461   if (RHS.getCategory() == fcZero || RHS.getCategory() == fcInfinity) {  in multiply()