gcc/testsuite/gfortran.dg/whole_file_33.f90

   1 ! { dg-do compile }
   2 !
   3 ! PR fortran/48588
   4 !
   5 ! Contributed by Andres Legarra.
   6 !
   7
   8 MODULE LA_PRECISION
   9 IMPLICIT NONE
  10 INTEGER, PARAMETER :: dp = KIND(1.0D0)
  11 END MODULE LA_PRECISION
  12
  13 module lapack90
  14 INTERFACE
  15   SUBROUTINE DGESV_F90( A, B, IPIV, INFO )
  16     USE la_precision, ONLY: wp => dp
  17     IMPLICIT NONE
  18     INTEGER, INTENT(OUT), OPTIONAL         :: INFO
  19     INTEGER, INTENT(OUT), OPTIONAL, TARGET :: IPIV(:)
  20     REAL(WP), INTENT(IN OUT)               :: A(:,:), B(:,:)
  21   END SUBROUTINE DGESV_F90
  22 END INTERFACE
  23 end module
  24
  25 SUBROUTINE DGESV_F90( A, B, IPIV, INFO )
  26   USE la_precision, ONLY: wp => dp
  27   IMPLICIT NONE
  28   INTEGER, INTENT(OUT), OPTIONAL         :: INFO
  29   INTEGER, INTENT(OUT), OPTIONAL, TARGET :: IPIV(:)
  30   REAL(WP), INTENT(IN OUT)               :: A(:,:), B(:,:)
  31 END SUBROUTINE DGESV_F90
  32
  33 MODULE DENSEOP
  34   USE LAPACK90
  35   implicit none
  36   integer, parameter :: r8 = SELECTED_REAL_KIND( 15, 307 )
  37   real(r8)::denseop_tol=1.d-50
  38
  39   CONTAINS
  40
  41   SUBROUTINE GEINV8 (x)
  42    real(r8)::x(:,:)
  43    real(r8),allocatable::x_o(:,:)
  44    allocate(x_o(size(x,1),size(x,1)))
  45    CALL dgesv_f90(x,x_o)
  46    x=x_o
  47   END SUBROUTINE GEINV8
  48 END MODULE DENSEOP