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Manual Reference Pages  - aint (3)

NAME

AINT(3f) - [FORTRAN:INTRINSIC:NUMERIC] Truncate to a whole number

CONTENTS

Syntax
Description
Arguments
Return Value
Example
Standard
Class

SYNTAX

result = AINT(A [, KIND])

DESCRIPTION

AINT(A [, KIND]) truncates its argument to a whole number.

ARGUMENTS

A - the type of the argument shall be REAL.
KIND - (optional) an INTEGER initialization expression indicating the kind parameter of the result.

RETURN VALUE

The return value is of type REAL with the kind type parameter of the argument if the optional KIND is absent; otherwise, the kind type parameter will be given by KIND. If the magnitude of X is less than one, aint(x) returns zero. If the magnitude is equal to or greater than one then it returns the largest whole number that does not exceed its magnitude. The sign is the same as the sign of X.

EXAMPLE

Sample program:

    program demo_aint
      real(4) x4
      real(8) x8
      x4 = 1.234E0_4
      x8 = 4.321_8
      print *, aint(x4), dint(x8)
      x8 = aint(x4,8)
    end program demo_aint

STANDARD

[[FORTRAN 77]] and later

CLASS

Elemental function


aint (3) March 18, 2019
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