! Program to test AINT and ANINT intrinsics subroutine real4test (op, res1, res2) implicit none real(kind=4) :: op real(kind=4) :: res1, res2 if (diff(aint(op), res1) .or. & diff(anint(op), res2)) 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 (op, res1, res2) implicit none real(kind=8) :: op real(kind=8) :: res1, res2 if (diff(aint(op), res1) .or. & diff(anint(op), res2)) 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 aint_aninttest implicit none call real4test (3.456, 3.0, 3.0) call real4test (-2.798, -2.0, -3.0) call real4test (3.678, 3.0, 4.0) call real4test (-1.375, -1.0, -1.0) call real4test (-0.5, 0.0,-1.0) call real4test (0.4, 0.0,0.0) call real8test (3.456_8, 3.0_8, 3.0_8) call real8test (-2.798_8, -2.0_8, -3.0_8) call real8test (3.678_8, 3.0_8, 4.0_8) call real8test (-1.375_8, -1.0_8, -1.0_8) call real8test (-0.5_8, 0.0_8,-1.0_8) call real8test (0.4_8, 0.0_8,0.0_8) ! Check large numbers call real4test (2e34, 2e34, 2e34) call real4test (-2e34, -2e34, -2e34) end program