870   if (isFiniteNonZero() || category == fcNaN)  in assign()
875   assert(isFiniteNonZero() || category == fcNaN);  in copySignificand()
886   category = fcNaN;  in makeNaN()
1707   case PackCategoriesIntoKey(fcZero, fcNaN):  in addOrSubtractSpecials()
1708   case PackCategoriesIntoKey(fcNormal, fcNaN):  in addOrSubtractSpecials()
1709   case PackCategoriesIntoKey(fcInfinity, fcNaN):  in addOrSubtractSpecials()
1712   case PackCategoriesIntoKey(fcNaN, fcZero):  in addOrSubtractSpecials()
1713   case PackCategoriesIntoKey(fcNaN, fcNormal):  in addOrSubtractSpecials()
1714   case PackCategoriesIntoKey(fcNaN, fcInfinity):  in addOrSubtractSpecials()
1715   case PackCategoriesIntoKey(fcNaN, fcNaN):  in addOrSubtractSpecials()
1831   case PackCategoriesIntoKey(fcZero, fcNaN):  in multiplySpecials()
1832   case PackCategoriesIntoKey(fcNormal, fcNaN):  in multiplySpecials()
1833   case PackCategoriesIntoKey(fcInfinity, fcNaN):  in multiplySpecials()
1837   case PackCategoriesIntoKey(fcNaN, fcZero):  in multiplySpecials()
1838   case PackCategoriesIntoKey(fcNaN, fcNormal):  in multiplySpecials()
1839   case PackCategoriesIntoKey(fcNaN, fcInfinity):  in multiplySpecials()
1840   case PackCategoriesIntoKey(fcNaN, fcNaN):  in multiplySpecials()
1875   case PackCategoriesIntoKey(fcZero, fcNaN):  in divideSpecials()
1876   case PackCategoriesIntoKey(fcNormal, fcNaN):  in divideSpecials()
1877   case PackCategoriesIntoKey(fcInfinity, fcNaN):  in divideSpecials()
1881   case PackCategoriesIntoKey(fcNaN, fcZero):  in divideSpecials()
1882   case PackCategoriesIntoKey(fcNaN, fcNormal):  in divideSpecials()
1883   case PackCategoriesIntoKey(fcNaN, fcInfinity):  in divideSpecials()
1884   case PackCategoriesIntoKey(fcNaN, fcNaN):  in divideSpecials()
1924   case PackCategoriesIntoKey(fcZero, fcNaN):  in modSpecials()
1925   case PackCategoriesIntoKey(fcNormal, fcNaN):  in modSpecials()
1926   case PackCategoriesIntoKey(fcInfinity, fcNaN):  in modSpecials()
1929   case PackCategoriesIntoKey(fcNaN, fcZero):  in modSpecials()
1930   case PackCategoriesIntoKey(fcNaN, fcNormal):  in modSpecials()
1931   case PackCategoriesIntoKey(fcNaN, fcInfinity):  in modSpecials()
1932   case PackCategoriesIntoKey(fcNaN, fcNaN):  in modSpecials()
1962   case PackCategoriesIntoKey(fcZero, fcNaN):  in remainderSpecials()
1963   case PackCategoriesIntoKey(fcNormal, fcNaN):  in remainderSpecials()
1964   case PackCategoriesIntoKey(fcInfinity, fcNaN):  in remainderSpecials()
1967   case PackCategoriesIntoKey(fcNaN, fcZero):  in remainderSpecials()
1968   case PackCategoriesIntoKey(fcNaN, fcNormal):  in remainderSpecials()
1969   case PackCategoriesIntoKey(fcNaN, fcInfinity):  in remainderSpecials()
1970   case PackCategoriesIntoKey(fcNaN, fcNaN):  in remainderSpecials()
2371   case PackCategoriesIntoKey(fcNaN, fcZero):  in compare()
2372   case PackCategoriesIntoKey(fcNaN, fcNormal):  in compare()
2373   case PackCategoriesIntoKey(fcNaN, fcInfinity):  in compare()
2374   case PackCategoriesIntoKey(fcNaN, fcNaN):  in compare()
2375   case PackCategoriesIntoKey(fcZero, fcNaN):  in compare()
2376   case PackCategoriesIntoKey(fcNormal, fcNaN):  in compare()
2377   case PackCategoriesIntoKey(fcInfinity, fcNaN):  in compare()
2456       &toSemantics != &semX87DoubleExtended && category == fcNaN &&  in convert()
2490                     (category == fcNaN && semantics->nonFiniteBehavior !=  in convert()
2500     if (isFiniteNonZero() || category==fcNaN)  in convert()
2507     if (isFiniteNonZero() || category==fcNaN)  in convert()
2518   if (shift > 0 && (isFiniteNonZero() || category==fcNaN))  in convert()
2524   } else if (category == fcNaN) {  in convert()
2595   if (category == fcInfinity || category == fcNaN)  in convertToSignExtendedInteger()
2713     if (category == fcNaN)  in convertToInteger()
3259   case fcNaN:  in convertToHexString()
3435     assert(category == fcNaN && "Unknown category");  in convertF80LongDoubleAPFloatToAPInt()
3532     assert(category == fcNaN && "Unknown category!");  in convertIEEEFloatToAPInt()
3697     category = fcNaN;  in initFromF80LongDoubleAPInt()
3796     category = fcNaN;  in initFromIEEEAPInt()
4054   case fcNaN: return append(Str, "NaN");  in toString()
4356   case fcNaN:  in next()
4709   if (LHS.getCategory() == fcNaN) {  in addWithSpecial()
4713   if (RHS.getCategory() == fcNaN) {  in addWithSpecial()
4783   if (LHS.getCategory() == fcNaN) {  in multiply()
4787   if (RHS.getCategory() == fcNaN) {  in multiply()