FLOOR(A, KIND)

Purpose

Returns the greatest integer less than or equal to its argument.

Class

Elemental function

Argument type and attributes

A

An INTENT(IN) REAL

KIND (optional)

An INTENT(IN) scalar INTEGER. The actual argument corresponding to KIND must be a constant expression.

Result type and attributes

It is of type integer.

If KIND is present, the kind type parameter is that specified by KIND; otherwise, the KIND type parameter is that of the default integer type.

Result value

The result has a value equal to the greatest integer less than or equal to A.

The result is undefined if the result cannot be represented as an integer of the specified KIND.

FLOOR(-3.7) has the value -4.
FLOOR(3.7) has the value 3.