array_2.f90: Added sqrt test.

2006-12-09  Tobias Burnus  <burnus@net-b.de>

       * gfortran.dg/array_2.f90: Added sqrt test.

From-SVN: r119687

gcc/testsuite/ChangeLog

+2006-12-09  Tobias Burnus  <burnus@net-b.de>
+
+	* gfortran.dg/array_2.f90: Added sqrt test.
+
 2006-12-08  Uros Bizjak  <ubizjak@gmail.com>
 
 	* gcc.target/i386/x87regparm-1.c: XFAIL.

gcc/testsuite/gfortran.dg/array_2.f90

+! { dg-do run }
+! PR tree-optimization/30092
+! This caused once an ICE due to internal tree changes
+program test
+  implicit none
+  integer, parameter :: N = 30
+  real, dimension(N) :: rho, pre, cs
+  real               :: gamma
+  gamma = 2.1314
+  rho = 5.0
+  pre = 3.0
+  call EOS(N, rho, pre, cs, gamma)
+  if (abs(CS(1) - sqrt(gamma*pre(1)/rho(1))) > epsilon(cs)) &
+     call abort()
+contains
+      SUBROUTINE EOS(NODES, DENS, PRES, CS, CGAMMA)
+      IMPLICIT NONE
+      INTEGER NODES
+      REAL CGAMMA
+      REAL, DIMENSION(NODES) :: DENS, PRES, CS
+      REAL, PARAMETER :: RGAS = 8.314
+      CS(:NODES) = SQRT(CGAMMA*PRES(:NODES)/DENS(:NODES))
+      END SUBROUTINE EOS
+end program test