9.47. BTEST
9.47 BTEST — Bit test function
- Description:
-
BTEST(I,POS)
returns logical.TRUE.
if the bit at POS in I is set. The counting of the bits starts at 0. - Standard:
- Fortran 95 and later
- Class:
- Elemental function
- Syntax:
-
RESULT = BTEST(I, POS)
- Arguments:
-
I The type shall be INTEGER
.POS The type shall be INTEGER
. - Return value:
- The return value is of type
LOGICAL
- Example:
-
program test_btest integer :: i = 32768 + 1024 + 64 integer :: pos logical :: bool do pos=0,16 bool = btest(i, pos)