aint(x, [kind])

Truncate to a whole number.

Declaration

retval = aint(x, [kind])
elemental real function aint(x, [kind])

x the input value must be of type real.

kind the optional input parameter initialises the kind of the result.

The return value is of type integer(kind) if kind is passed as input parameter. If not, default kind real is returned.

The return value is equal to or nearest largest whole number greater than or equal to x not exceeding its magnitude.

aint(x) returns the nearest largest whole number greater than or equal to x not exceeding input value's magnitude.

The optional parameter kind specifies the kind of the result.

Supported argument types is real.

program intrinsics_aint
    print *, aint(3.1)
    print *, floor(-3.1)
end program

Result:

3
-3