flang/test/Evaluate/fold-spacing.f90

   1 ! RUN: %python %S/test_folding.py %s %flang_fc1
   2 ! Tests folding of SPACING() and RRSPACING
   3 module m
   4   logical, parameter :: test_1 = spacing(3.0) == scale(1.0, -22)
   5   logical, parameter :: test_2 = spacing(-3.0) == scale(1.0, -22)
   6   logical, parameter :: test_3 = spacing(3.0d0) == scale(1.0, -51)
   7   logical, parameter :: test_4 = spacing(0.) == tiny(0.)
   8   logical, parameter :: test_5a = spacing(tiny(0.)) == tiny(0.)
   9   logical, parameter :: test_5b = spacing(tiny(0.)/2) == tiny(0.)
  10   logical, parameter :: test_5c = spacing(tiny(0.)*2) == tiny(0.)
  11   logical, parameter :: test_6 = spacing(8388608.) == 1.
  12   logical, parameter :: test_7 = spacing(spacing(tiny(.0))) == tiny(0.)
  13   logical, parameter :: test_11 = rrspacing(3.0) == scale(0.75, 24)
  14   logical, parameter :: test_12 = rrspacing(-3.0) == scale(0.75, 24)
  15   logical, parameter :: test_13 = rrspacing(3.0d0) == scale(0.75, 53)
  16   logical, parameter :: test_14 = rrspacing(0.) == 0.
  17 end module