Fortran 位逻辑运算

a = 2
b = 4
c = iand(a,b) ! 010 & 100 = 000 = 0
c = ior(a,b) ! 010 | 100 = 110 = 6
! 用其他进制设置整数
a = B"10"
a = O"10"
a = Z"10"