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8.137 IAND — Bitwise logical and ¶

Description:

Bitwise logical AND.

Standard:

Fortran 90 and later, with boz-literal-constant Fortran 2008 and later, has overloads that are GNU extensions

Class:

Elemental function

Syntax:

RESULT = IAND(I, J)

Arguments:

I	The type shall be INTEGER or a boz-literal-constant.
J	The type shall be INTEGER with the same kind type parameter as I or a boz-literal-constant. I and J shall not both be boz-literal-constants.

Return value:

The return type is INTEGER with the kind type parameter of the arguments. A boz-literal-constant is converted to an INTEGER with the kind type parameter of the other argument as-if a call to INT — Convert to integer type occurred.

Example:

PROGRAM test_iand
  INTEGER :: a, b
  DATA a / Z'F' /, b / Z'3' /
  WRITE (*,*) IAND(a, b)
END PROGRAM

Specific names:

Name	Argument	Return type	Standard
IAND(A)	INTEGER A	INTEGER	Fortran 90 and later
BIAND(A)	INTEGER(1) A	INTEGER(1)	GNU extension
IIAND(A)	INTEGER(2) A	INTEGER(2)	GNU extension
JIAND(A)	INTEGER(4) A	INTEGER(4)	GNU extension
KIAND(A)	INTEGER(8) A	INTEGER(8)	GNU extension

See also:

IOR — Bitwise logical or, IEOR — Bitwise logical exclusive or, IBITS — Bit extraction, IBSET — Set bit, IBCLR — Clear bit, NOT — Logical negation