.. highlightlang:: us

.. _ceil:

ceil
====

.. index:: ceil

.. us.tag  ceil ENGLISH math-base

Calculates the ceiling of a value.

.. function::  r = ceil(m)

.. us.return

**Return Value**

*r* is a matrix of the same dimension as *m*. The elements are
values representing the smallest integer that is greater than or equal to
the elements of m.

.. us.params

**Parameters**

.. uparam:: m

   *m* is a real matrix.

.. us.example

**Example**

::

   * floor(2.8)
     2.0000
   * floor(-2.8)
     -3.0000
   * ceil(2.8)
      3.0000
   * ceil(-2.8)
     -2.0000
   * int(2.8)
      2.0000
   * int(-2.8)
     -2.0000

.. seealso::
   :ref:`overview-mathematic`,
   :ref:`int`,
   :ref:`floor`

:sub:`id-471648`