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! { dg-do compile }
!
! PR fortran/48588
!
! Contributed by Andres Legarra.
!
MODULE LA_PRECISION
IMPLICIT NONE
INTEGER, PARAMETER :: dp = KIND(1.0D0)
END MODULE LA_PRECISION
module lapack90
INTERFACE
SUBROUTINE DGESV_F90( A, B, IPIV, INFO )
USE la_precision, ONLY: wp => dp
IMPLICIT NONE
INTEGER, INTENT(OUT), OPTIONAL :: INFO
INTEGER, INTENT(OUT), OPTIONAL, TARGET :: IPIV(:)
REAL(WP), INTENT(IN OUT) :: A(:,:), B(:,:)
END SUBROUTINE DGESV_F90
END INTERFACE
end module
SUBROUTINE DGESV_F90( A, B, IPIV, INFO )
USE la_precision, ONLY: wp => dp
IMPLICIT NONE
INTEGER, INTENT(OUT), OPTIONAL :: INFO
INTEGER, INTENT(OUT), OPTIONAL, TARGET :: IPIV(:)
REAL(WP), INTENT(IN OUT) :: A(:,:), B(:,:)
END SUBROUTINE DGESV_F90
MODULE DENSEOP
USE LAPACK90
implicit none
integer, parameter :: r8 = SELECTED_REAL_KIND( 15, 307 )
real(r8)::denseop_tol=1.d-50
CONTAINS
SUBROUTINE GEINV8 (x)
real(r8)::x(:,:)
real(r8),allocatable::x_o(:,:)
allocate(x_o(size(x,1),size(x,1)))
CALL dgesv_f90(x,x_o)
x=x_o
END SUBROUTINE GEINV8
END MODULE DENSEOP
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