Subversion Repositories openrisc

! Program to test MOD and MODULO intrinsics

subroutine integertest (ops, res)

   implicit none

   integer, dimension(2) :: ops

   integer, dimension(2) :: res

   if ((mod(ops(1), ops(2)) .ne. res(1)) .or. &

       (modulo(ops(1), ops(2)) .ne. res(2))) call abort

end subroutine

subroutine real4test (ops, res)

   implicit none

   real(kind=4), dimension(2) :: ops

   real(kind=4), dimension(2) :: res

   if (diff(mod(ops(1), ops(2)), res(1)) .or. &

       diff(modulo(ops(1), ops(2)), res(2))) call abort

contains

function diff(a, b)

  real(kind=4) :: a, b

  logical diff

  diff = (abs (a - b) .gt. abs(a * 1e-6))

end function

end subroutine

subroutine real8test (ops, res)

   implicit none

   real(kind=8), dimension(2) :: ops

   real(kind=8), dimension(2) :: res

   if (diff(mod(ops(1), ops(2)), res(1)) .or. &

       diff(modulo(ops(1), ops(2)), res(2))) call abort

contains

function diff(a, b)

  real(kind=8) :: a, b

  logical diff

  diff = (abs(a - b) .gt. abs(a * 1e-6))

end function

end subroutine

program mod_modulotest

   implicit none

   call integertest ((/8, 5/), (/3, 3/))

   call integertest ((/-8, 5/), (/-3, 2/))

   call integertest ((/8, -5/), (/3, -2/))

   call integertest ((/-8, -5/), (/-3, -3/))

   call integertest ((/ 2, -1/), (/0, 0/))

   call real4test ((/3.0, 2.5/), (/0.5, 0.5/))

   call real4test ((/-3.0, 2.5/), (/-0.5, 2.0/))

   call real4test ((/3.0, -2.5/), (/0.5, -2.0/))

   call real4test ((/-3.0, -2.5/), (/-0.5, -0.5/))

   call real4test ((/ 2.0, -1.0/), (/ 0.0, 0.0 /))

   call real8test ((/3.0_8, 2.5_8/), (/0.5_8, 0.5_8/))

   call real8test ((/-3.0_8, 2.5_8/), (/-0.5_8, 2.0_8/))

   call real8test ((/3.0_8, -2.5_8/), (/0.5_8, -2.0_8/))

   call real8test ((/-3.0_8, -2.5_8/), (/-0.5_8, -0.5_8/))

   call real8test ((/ 2.0_8, -1.0_8/), (/ 0.0_8, 0.0_8 /))

   ! Check large numbers

   call real4test ((/2e34, 1.0/), (/0.0, 0.0/))

   call real4test ((/2e34, 1.5e34/), (/0.5e34, 0.5e34/))

end program