ceiling(x): Integer Ceiling¶

Integer ceiling function

Declaration¶

Syntax¶

retval = ceiling(x)
elemental integer function ceiling(x)

Arguments¶

The input value x may be of type real or integer.

Return values¶

The return value is of type integer and nearest greater integer.

Description¶

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

Types¶

Supported input parameter types are integer and real.

interface ceiling
    module procedure sceiling, dceiling
end interface

contains

elemental integer function sceiling(x)
real(sp), intent(in) :: x
end function

elemental integer function dceiling(x)
real(dp), intent(in) :: x
end function

Examples¶

program intrinsics_ceiling
   implicit none
   real :: x = 63.29
   print *, ceiling(x)
   print *, ceiling(-63.29)
end program

Result:

64
-63