blob: 0fef35e1b379d97e786d7c43a065b8498935d6a5 [file] [log] [blame]
!Program to test SCALE intrinsic function.
program test_scale
call test_real4 (3.0, 2)
call test_real4 (33.0, -2)
call test_real4 (-3., 2)
call test_real4 (0., 3)
call test_real8 (0._8, 3)
call test_real8 (3.0_8, 4)
call test_real8 (33.0_8, -4)
call test_real8 (-33._8, 4)
end
subroutine test_real4 (orig, i)
real x,y,orig
integer i
x = orig
y = x * (2.0 ** i)
x = scale (x, i)
if (abs (x - y) .gt. abs(x * 1e-6)) STOP 1
end
subroutine test_real8 (orig, i)
real*8 x,y,orig
integer i
x = orig
y = x * (2.0 ** i)
x = scale (x, i)
if (abs (x - y) .gt. abs(x * 1e-6)) STOP 2
end