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/GNU Fortran 5

9.133 IBSET — Set bit

Description:
IBSET returns the value of I with the bit at position POS set to one.
Standard:
Fortran 95 and later
Class:
Elemental function
Syntax:
RESULT = IBSET(I, POS)
Arguments:
I The type shall be INTEGER.
POS The type shall be INTEGER.
Return value:
The return value is of type INTEGER and of the same kind as I.
See also:
IBCLR, IBITS, IAND, IOR, IEOR, MVBITS

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-5.4.0/gfortran/IBSET.html