36         // if number_value is double,NaN,Undefine, deal in this case  in Abs()
60     // value == -NaN , <-1  or > 1,result is  NaN  in Acos()
115     // value == -NaN, NaN, result is  NaN  in Asinh()
134     // value == -NaN, NaN, result is  NaN  in Atan()
184         // If either x or y is NaN, the result is NaN  in Atan2()
202     // if value == -NaN, NaN, result is NaN  in Cbrt()
221     // If value is NaN or -NaN, +infinite, -infinite,return value  in Ceil()
223         // if value is -NaN , return NaN, else return value  in Ceil()
248         // If value is NaN or -NaN, +infinite, -infinite, 0,return 32  in Clz32()
266     //  If value is NaN or -NaN, +infinite, -infinite, result is NaN  in Cos()
285     // if value is NaN or -NaN, result is NaN  in Cosh()
304     // if value is NaN or -NaN, result is NaN  in Exp()
323     // if value is NaN or -NaN, result is NaN  in Expm1()
342     // If value is NaN or -NaN, +infinite, -infinite, +0, -0, return value  in Floor()
344         // If value is -NaN, return NaN, else return value  in Floor()
370         // If result is NaN or -NaN, the result is NaN  in Fround()
415         // If value is NaN or -NaN, +infinite, -infinite  in Imul()
437     // If value is NaN , -NaN , or < 0,result is NaN  in Log()
456     // If value is NaN , -NaN , or < -1,result is NaN  in Log1p()
475     // If value is NaN , -NaN , or < 0,result is NaN  in Log10()
494     // If value is NaN , -NaN , or < 0,result is NaN  in Log2()
527             // If any value is NaN, or -NaN, the max result is NaN  in Max()
573             // If any value is NaN or -NaN, the min result is NaN  in Min()
622     // If abs(x) is 1 and y is inf or -inf, the result is NaN  in Pow()
628         // If result is NaN or -NaN, the result is NaN  in Pow()
659         // If value is NaN, +infinite, or -infinite, VRegisterTag is DOUBLE  in Round()
661             // If value is NaN or -NaN, the result is default NaN, else is value  in Round()
717     // If value is NaN or -NaN, the result is NaN  in Sin()
736     // If value is NaN or -NaN, the result is NaN  in Sinh()
755     // If value is negative, include -NaN and -Infinity but not -0.0, the result is NaN  in Sqrt()
759     // If value is NaN, the result is NaN  in Sqrt()
778     // If value is NaN or -NaN, +infinite, -infinite, result is NaN  in Tan()
816         // if value is +infinite, -infinite, NaN, -NaN, VRegisterTag is double  in Trunc()