gcc/testsuite/gfortran.fortran-torture/execute/intrinsic_trailz.f90

   1 program 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
  46 end program