Rounding Functions
- v?Floor
Computes an integer value rounded towards minus infinity for each vector element. 
- v?Ceil
Computes an integer value rounded towards plus infinity  for each vector element. 
- v?Trunc
Computes an integer value rounded towards zero  for each vector element. 
- v?Round
Computes a value rounded to the nearest  integer for each vector element. 
- v?NearbyInt
Computes a rounded integer value in the current rounding mode for each vector element. 
- v?Rint
Computes a rounded integer value in the current rounding mode. 
- v?Modf
Computes a truncated integer value and the remaining fraction part for each vector element. 
- v?Frac
Computes a signed fractional part for each vector element.