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

   1 program test_intrinsic_leadz
   2    implicit none
   3
   4    call test_leadz(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_leadz(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 (leadz(0_1) /=  8) STOP 1
  16            if (leadz(0_2) /= 16) STOP 2
  17            if (leadz(0_4) /= 32) STOP 3
  18            if (leadz(0_8) /= 64) STOP 4
  19
  20            if (leadz(1_1) /=  7) STOP 5
  21            if (leadz(1_2) /= 15) STOP 6
  22            if (leadz(1_4) /= 31) STOP 7
  23            if (leadz(1_8) /= 63) STOP 8
  24
  25            if (leadz(8_1) /=  4) STOP 9
  26            if (leadz(8_2) /= 12) STOP 10
  27            if (leadz(8_4) /= 28) STOP 11
  28            if (leadz(8_8) /= 60) STOP 12
  29
  30            if (leadz(z1) /=  8) STOP 13
  31            if (leadz(z2) /= 16) STOP 14
  32            if (leadz(z4) /= 32) STOP 15
  33            if (leadz(z8) /= 64) STOP 16
  34
  35            if (leadz(i1) /=  7) STOP 17
  36            if (leadz(i2) /= 15) STOP 18
  37            if (leadz(i4) /= 31) STOP 19
  38            if (leadz(i8) /= 63) STOP 20
  39
  40            if (leadz(e1) /=  4) STOP 21
  41            if (leadz(e2) /= 12) STOP 22
  42            if (leadz(e4) /= 28) STOP 23
  43            if (leadz(e8) /= 60) STOP 24
  44         end subroutine test_leadz
  45
  46 end program