Fortran Wiki
ceiling

Description

ceiling(a) returns the least integer greater than or equal to a.

Standard

Fortran 95 and later

Class

Elemental function

Syntax

result = ceiling(a [, kind])

Arguments

• a - The type shall be real.
• kind - (Optional) An integer initialization expression indicating the kind parameter of the result.

Return value

The return value is of type integer(kind) if kind is present and a default-kind integer otherwise.

Example

program test_ceiling
    real :: x = 63.29
    real :: y = -63.59
    print *, ceiling(x) ! returns 64
    print *, ceiling(y) ! returns -63
end program test_ceiling

See also

floor, nint