9.208. POPPAR

9.208 POPPAR — Parity of the number of bits set

Description:
POPPAR(I) returns parity of the integer I, i.e. the parity of the number of bits set ('1' bits) in the binary representation of I. It is equal to 0 if I has an even number of bits set, and 1 for an odd number of '1' bits.
Standard:
Fortran 2008 and later
Class:
Elemental function
Syntax:
RESULT = POPPAR(I)
Arguments:
I Shall be of type INTEGER.
Return value:
The return value is of type INTEGER and of the default integer kind.
See also:
POPCNT, LEADZ, TRAILZ<