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8.90 DSHIFTL — Combined left shift ¶

Description:

DSHIFTL(I, J, SHIFT) combines bits of I and J. The rightmost SHIFT bits of the result are the leftmost SHIFT bits of J, and the remaining bits are the rightmost bits of I.

Standard:

Fortran 2008 and later

Class:

Elemental function

Syntax:

RESULT = DSHIFTL(I, J, SHIFT)

Arguments:

I	Shall be of type INTEGER or a BOZ constant.
J	Shall be of type INTEGER or a BOZ constant. If both I and J have integer type, then they shall have the same kind type parameter. I and J shall not both be BOZ constants.
SHIFT	Shall be of type INTEGER. It shall be nonnegative. If I is not a BOZ constant, then SHIFT shall be less than or equal to BIT_SIZE(I); otherwise, SHIFT shall be less than or equal to BIT_SIZE(J).

Return value:

If either I or J is a BOZ constant, it is first converted as if by the intrinsic function INT to an integer type with the kind type parameter of the other.

See also:

DSHIFTR — Combined right shift