Rounding Functions

• Floor
  Computes integer value rounded toward minus infinity for each vector element.
• Ceil
  Computes integer value rounded toward plus infinity for each vector element.
• Trunc
  Computes integer value rounded toward zero for each vector element.
• Round
  Computes integer value rounded to nearest for each vector element.
• NearbyInt
  Computes rounded integer value in current rounding mode for each vector element.
• Rint
  Computes rounded integer value in current rounding mode for each vector element with inexact result exception raised for each changed value.
• Modf
  Computes truncated integer value and remaining fraction part for each vector element.

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