1program test_intrinsic_trailz 2 implicit none 3 4 call test_trailz(0_1,0_2,0_4,0_8,1_1,1_2,1_4,1_8,8_1,8_2,8_4,8_8) 5 stop 6 7 contains 8 9 subroutine test_trailz(z1,z2,z4,z8,i1,i2,i4,i8,e1,e2,e4,e8) 10 integer(kind=1) :: z1, i1, e1 11 integer(kind=2) :: z2, i2, e2 12 integer(kind=4) :: z4, i4, e4 13 integer(kind=8) :: z8, i8, e8 14 15 if (trailz(0_1) /= 8) STOP 1 16 if (trailz(0_2) /= 16) STOP 2 17 if (trailz(0_4) /= 32) STOP 3 18 if (trailz(0_8) /= 64) STOP 4 19 20 if (trailz(1_1) /= 0) STOP 5 21 if (trailz(1_2) /= 0) STOP 6 22 if (trailz(1_4) /= 0) STOP 7 23 if (trailz(1_8) /= 0) STOP 8 24 25 if (trailz(8_1) /= 3) STOP 9 26 if (trailz(8_2) /= 3) STOP 10 27 if (trailz(8_4) /= 3) STOP 11 28 if (trailz(8_8) /= 3) STOP 12 29 30 if (trailz(z1) /= 8) STOP 13 31 if (trailz(z2) /= 16) STOP 14 32 if (trailz(z4) /= 32) STOP 15 33 if (trailz(z8) /= 64) STOP 16 34 35 if (trailz(i1) /= 0) STOP 17 36 if (trailz(i2) /= 0) STOP 18 37 if (trailz(i4) /= 0) STOP 19 38 if (trailz(i8) /= 0) STOP 20 39 40 if (trailz(e1) /= 3) STOP 21 41 if (trailz(e2) /= 3) STOP 22 42 if (trailz(e4) /= 3) STOP 23 43 if (trailz(e8) /= 3) STOP 24 44 end subroutine test_trailz 45 46end program 47