gcc/testsuite/gfortran.dg/real_const_3.f90

   1 !{ dg-do run }
   2 !{ dg-options "-fno-range-check" }
   3 !{ dg-add-options ieee }
   4 !{ dg-skip-if "NaN not supported" { spu-*-* } { "*" } { "" } }
   5 ! PR19310 and PR19904, allow disabling range check during compile.
   6 ! Contributed by Jerry DeLisle  <jvdelisle@gcc.gnu.org>
   7 program main
   8   character(len=80) str
   9   real, parameter :: zero=0, nan=0/zero
  10   complex :: z = (-0.1,-2.2)/(0.0,0.0)
  11   complex :: z2 = (0.1,1)/0
  12   complex :: z3 = (1e35, -2e3)/1.234e-37
  13   complex :: z4 = (1e-35, -2e-35)/1234e34
  14   real :: a
  15   a = exp(1000.0)
  16   b = 1/exp(1000.0)
  17
  18   write(str,*) a
  19   if (trim(adjustl(str)) .ne. '+Infinity') call abort
  20
  21   if (b .ne. 0.) call abort
  22
  23   write(str,*) -1.0/b
  24   if (trim(adjustl(str)) .ne. '-Infinity') call abort
  25
  26   write(str,*) b/0.0
  27   if (trim(adjustl(str)) .ne. 'NaN') call abort
  28
  29   write(str,*) 0.0/0.0
  30   if (trim(adjustl(str)) .ne. 'NaN') call abort
  31
  32   write(str,*) 1.0/(-0.)
  33   if (trim(adjustl(str)) .ne. '-Infinity') call abort
  34
  35   write(str,*) -2.0/0.
  36   if (trim(adjustl(str)) .ne. '-Infinity') call abort
  37
  38   write(str,*) 3.0/0.
  39   if (trim(adjustl(str)) .ne. '+Infinity') call abort
  40
  41   write(str,*)  nan
  42   if (trim(adjustl(str)) .ne. 'NaN') call abort
  43
  44   write(str,*) z
  45   if (trim(adjustl(str)) .ne. '(            NaN,            NaN)') call abort
  46
  47   write(str,*) z2
  48   if (trim(adjustl(str)) .ne. '(            NaN,            NaN)') call abort
  49
  50   write(str,*) z3
  51   if (trim(adjustl(str)) .ne. '(      +Infinity,      -Infinity)') call abort
  52
  53   write(str,*) z4
  54   if (trim(adjustl(str)) .ne. '(  0.0000000    , -0.0000000    )') call abort
  55
  56 end program main