Lahey/GNU Fortran

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8.171 MERGE_BITS — Merge of bits under mask

Description:
MERGE_BITS(I, J, MASK) merges the bits of I and J as determined by the mask. The i-th bit of the result is equal to the i-th bit of I if the i-th bit of MASK is 1; it is equal to the i-th bit of J otherwise.
Standard:
Fortran 2008 and later
Class:
Elemental function
Syntax:
RESULT = MERGE_BITS(I, J, MASK)
Arguments:

I Shall be of type INTEGER.
J Shall be of type INTEGER and of the same kind as I.
MASK Shall be of type INTEGER and of the same kind as I.

Return value:
The result is of the same type and kind as I.