SUBROUTINE LA_TEST_CGTSV(N, NRHS, DL, D, DU, B, LDB, INFO) ! ! -- LAPACK95 interface driver routine (version 1.1) -- ! UNI-C, Denmark, ! April 12, 1999 ! ! .. Use Statements .. USE LA_PRECISION, ONLY: WP => SP USE F95_LAPACK, ONLY: LA_GTSV ! .. Implicit Statement .. IMPLICIT NONE ! .. Scalar Arguments .. INTEGER, INTENT(IN) :: N, NRHS, LDB INTEGER, INTENT(INOUT) :: INFO ! .. Array Arguments .. COMPLEX(WP), INTENT(INOUT) :: B(1:LDB,1:NRHS) COMPLEX(WP), INTENT(INOUT) :: DL(1:N-1), D(1:N), DU(1:N-1) ! .. Parameters .. CHARACTER(LEN=8), PARAMETER :: SRNAME = 'LA_GTSV ' CHARACTER(LEN=14), PARAMETER :: SRNAMT = 'LA_TEST_CGTSV ' ! .. Common blocks .. INTEGER :: INFOTC COMMON /LINFO95/ INFOTC ! .. Local Scalars .. INTEGER :: I, J, IDU, ID, IDL,IB1, IB2 ! .. Local Arrays .. LOGICAL, SAVE :: CTEST = .TRUE., ETEST = .TRUE. ! .. Executable Statements .. IDL = N-1; ID = N; IDU = N-1; IB1 = N; IB2 = NRHS; I = INFO / 100; J = INFO - I*100 SELECT CASE(I) CASE(0) IF ( NRHS == 1 ) THEN CALL LA_GTSV( DL(1:IDL), D(1:ID), DU(1:IDU), B(1:IB1, 1)) INFO = INFOTC ELSE CALL LA_GTSV( DL(1:IDL), D(1:ID), DU(1:IDU), B(1:IB1,1:IB2) ) INFO = INFOTC END IF CASE (1) IDL = ID CASE(3) IDU = ID CASE(4) IB1 = ID - 1 CASE(:-1,2,5:) CALL UESTOP(SRNAMT) END SELECT IF( I /= 0 ) THEN SELECT CASE (NRHS) CASE (2:) CALL LA_GTSV( DL(1:IDL), D(1:ID), DU(1:IDU),& & B(1:IB1, 1:IB2), INFO) CASE(1) CALL LA_GTSV( DL(1:IDL), D(1:ID), DU(1:IDU), & & B(1:IB1, 1), INFO ) CASE(:-1) CALL UESTOP(SRNAMT) END SELECT END IF CALL LA_AUX_AA01( I, CTEST, ETEST, SRNAMT ) END SUBROUTINE LA_TEST_CGTSV