LEADZ
returns the number of leading zero bits of an integer. RESULT = LEADZ(I)
I | Shall be of type INTEGER . |
INTEGER
. If all the bits of I
are zero, the result value is BIT_SIZE(I)
. PROGRAM test_leadz WRITE (*,*) BIT_SIZE(1) ! prints 32 WRITE (*,*) LEADZ(1) ! prints 31 END PROGRAM
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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-6.3.0/gfortran/LEADZ.html