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authorupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
committerupstream source tree <ports@midipix.org>2015-03-15 20:14:05 -0400
commit554fd8c5195424bdbcabf5de30fdc183aba391bd (patch)
tree976dc5ab7fddf506dadce60ae936f43f58787092 /gcc/testsuite/gfortran.dg/pr37286.f90
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diff --git a/gcc/testsuite/gfortran.dg/pr37286.f90 b/gcc/testsuite/gfortran.dg/pr37286.f90
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+! { dg-do compile }
+
+module general_rand
+ implicit none
+ private
+
+ integer, public, parameter :: GNDP = kind(1.0d0)
+
+ real(kind = GNDP), save :: &
+ gnc = 362436.0 / 16777216.0, &
+ gncd = 7654321.0 / 16777216.0, &
+ gncm = 16777213.0 / 16777216.0
+ integer, save :: &
+ gni97 = 97, &
+ gnj97 = 33
+
+ real(kind = GNDP), save :: gnu(97)
+
+contains
+ subroutine gn_fatal(message)
+ character(len = *), intent(in) :: message
+
+ stop 1
+ end subroutine gn_fatal
+
+ function gn_monte_rand(min, max) result(monte)
+ real(kind = GNDP), intent(in) :: min
+ real(kind = GNDP), intent(in) :: max
+ real(kind = GNDP) :: monte
+
+ real :: monte_temp
+
+ if (min > max) then
+ call gn_fatal('gn_monte_rand: min > max')
+ else if (min == max) then
+ call gn_fatal('gn_monte_rand: min = max: returning min')
+ monte_temp = min
+ else
+
+ monte_temp = gnu(gni97) - gnu(gnj97)
+ if (monte_temp < 0.0) then
+ monte_temp = monte_temp + 1.0
+ end if
+
+ gnu(gni97) = monte_temp
+ gni97 = gni97 - 1
+ if (gni97 == 0) then
+ gni97 = 97
+ end if
+ end if
+
+ monte = min + monte_temp * (max - min)
+
+ end function gn_monte_rand
+
+end module general_rand
+
+! { dg-final { cleanup-modules "general_rand" } }