34         // if number_value is double,NaN,Undefine, deal in this case  in Abs()
58     // value == -NaN , <-1  or > 1,result is  NaN  in Acos()
113     // value == -NaN, NaN, result is  NaN  in Asinh()
132     // value == -NaN, NaN, result is  NaN  in Atan()
182         // If either x or y is NaN, the result is NaN  in Atan2()
200     // if value == -NaN, NaN, result is NaN  in Cbrt()
219     // If value is NaN or -NaN, +infinite, -infinite,return value  in Ceil()
221         // if value is -NaN , return NaN, else return value  in Ceil()
246         // If value is NaN or -NaN, +infinite, -infinite, 0,return 32  in Clz32()
264     //  If value is NaN or -NaN, +infinite, -infinite, result is NaN  in Cos()
283     // if value is NaN or -NaN, result is NaN  in Cosh()
302     // if value is NaN or -NaN, result is NaN  in Exp()
321     // if value is NaN or -NaN, result is NaN  in Expm1()
340     // If value is NaN or -NaN, +infinite, -infinite, +0, -0, return value  in Floor()
342         // If value is -NaN, return NaN, else return value  in Floor()
368         // If result is NaN or -NaN, the result is NaN  in Fround()
413         // If value is NaN or -NaN, +infinite, -infinite  in Imul()
435     // If value is NaN , -NaN , or < 0,result is NaN  in Log()
454     // If value is NaN , -NaN , or < -1,result is NaN  in Log1p()
473     // If value is NaN , -NaN , or < 0,result is NaN  in Log10()
492     // If value is NaN , -NaN , or < 0,result is NaN  in Log2()
525             // If any value is NaN, or -NaN, the max result is NaN  in Max()
571             // If any value is NaN or -NaN, the min result is NaN  in Min()
620     // If abs(x) is 1 and y is inf or -inf, the result is NaN  in Pow()
626         // If result is NaN or -NaN, the result is NaN  in Pow()
657         // If value is NaN, +infinite, or -infinite, VRegisterTag is DOUBLE  in Round()
659             // If value is NaN or -NaN, the result is default NaN, else is value  in Round()
715     // If value is NaN or -NaN, the result is NaN  in Sin()
734     // If value is NaN or -NaN, the result is NaN  in Sinh()
753     // If value is negative, include -NaN and -Infinity but not -0.0, the result is NaN  in Sqrt()
757     // If value is NaN, the result is NaN  in Sqrt()
776     // If value is NaN or -NaN, +infinite, -infinite, result is NaN  in Tan()
814         // if value is +infinite, -infinite, NaN, -NaN, VRegisterTag is double  in Trunc()