gcc/testsuite/gfortran.dg/pr82004.f90

   1 ! PR middle-end/82004
   2 ! { dg-do run }
   3 ! { dg-options "-Ofast" }
   4
   5   integer, parameter :: r8 = selected_real_kind(13), i4 = kind(1)
   6   integer (i4), parameter :: a = 400, b = 2
   7   real (r8), parameter, dimension(b) :: c = (/ .001_r8, 10.00_r8 /)
   8   real (r8) :: d, e, f, g, h
   9   real (r8), parameter :: j &
  10     = 10**(log10(c(1))-(log10(c(b))-log10(c(1)))/real(a))
  11
  12   d = c(1)
  13   e = c(b)
  14   f = (log10(e)-log10(d))/real(a)
  15   g = log10(d) - f
  16   h = 10**(g)
  17   if (h.ne.j) stop 1
  18 end