Note: TEST 15 and 19 (xBDT01 - | A - U diag(S) VT | / ( |A| max(M,N) ulp ) are not passing the threshold
TEST 15 and 19 are commented until we find the fix
*> (7) | S - Spartial | / ( MNMIN ulp |S| ) where Spartial is the
*> vector of singular values from the partial SVD
*>
+*> Test for CGESVJ:
+*>
+*> (1) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
+*>
+*> (2) | I - U'U | / ( M ulp )
+*>
+*> (3) | I - VT VT' | / ( N ulp )
+*>
+*> (4) S contains MNMIN nonnegative values in decreasing order.
+*> (Return 0 if true, 1/ULP if false.)
+*>
+*> Test for CGEJSV:
+*>
+*> (1) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
+*>
+*> (2) | I - U'U | / ( M ulp )
+*>
+*> (3) | I - VT VT' | / ( N ulp )
+*>
+*> (4) S contains MNMIN nonnegative values in decreasing order.
+*> (Return 0 if true, 1/ULP if false.)
+*>
*> Test for CGESVDX( 'V', 'V', 'A' )/CGESVDX( 'N', 'N', 'A' )
*>
*> (1) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
*> -10: LDA < 1 or LDA < MMAX, where MMAX is max( MM(j) ).
*> -12: LDU < 1 or LDU < MMAX.
*> -14: LDVT < 1 or LDVT < NMAX, where NMAX is max( NN(j) ).
-*> -21: LWORK too small.
+*> -29: LWORK too small.
*> If CLATMS, or CGESVD returns an error code, the
*> absolute value of it is returned.
*> \endverbatim
INTEGER I, IINFO, IJQ, IJU, IJVT, IL, IU, ITEMP, IWSPC,
$ IWTMP, J, JSIZE, JTYPE, LSWORK, M, MINWRK,
$ MMAX, MNMAX, MNMIN, MTYPES, N, NERRS, NFAIL,
- $ NMAX, NS, NSI, NSV, NTEST, NTESTF, NTESTT
+ $ NMAX, NS, NSI, NSV, NTEST, NTESTF, NTESTT,
+ $ LRWORK
REAL ANORM, DIF, DIV, OVFL, RTUNFL, ULP, ULPINV,
$ UNFL, VL, VU
* ..
* .. Local Arrays ..
CHARACTER CJOB( 4 ), CJOBR( 3 ), CJOBV( 2 )
INTEGER IOLDSD( 4 ), ISEED2( 4 )
- REAL RESULT( 27 )
+ REAL RESULT( 35 )
* ..
* .. External Functions ..
REAL SLAMCH, SLARND
* ..
* .. External Subroutines ..
EXTERNAL ALASVM, XERBLA, CBDT01, CBDT05, CGESDD, CGESVD,
- $ CGESVDX, CLACPY, CLASET, CLATMS, CUNT01,
- $ CUNT03
+ $ CGESVJ, CGEJSV, CGESVDX, CLACPY, CLASET, CLATMS,
+ $ CUNT01, CUNT03
* ..
* .. Intrinsic Functions ..
INTRINSIC ABS, REAL, MAX, MIN
* ..
+* .. Scalars in Common ..
+ CHARACTER*32 SRNAMT
+* ..
+* .. Common blocks ..
+ COMMON / SRNAMC / SRNAMT
+* ..
* .. Data statements ..
DATA CJOB / 'N', 'O', 'S', 'A' /
DATA CJOBR / 'A', 'V', 'I' /
*
NERRS = 0
*
- DO 230 JSIZE = 1, NSIZES
+ DO 310 JSIZE = 1, NSIZES
M = MM( JSIZE )
N = NN( JSIZE )
MNMIN = MIN( M, N )
MTYPES = MIN( MAXTYP+1, NTYPES )
END IF
*
- DO 220 JTYPE = 1, MTYPES
+ DO 300 JTYPE = 1, MTYPES
IF( .NOT.DOTYPE( JTYPE ) )
- $ GO TO 220
+ $ GO TO 300
NTEST = 0
*
DO 20 J = 1, 4
*
* Do for minimal and adequate (for blocking) workspace
*
- DO 210 IWSPC = 1, 4
+ DO 290 IWSPC = 1, 4
*
* Test for CGESVD
*
IF( IWSPC.EQ.4 )
$ LSWORK = LWORK
*
- DO 60 J = 1, 27
+ DO 60 J = 1, 35
RESULT( J ) = -ONE
60 CONTINUE
*
*
IF( IWSPC.GT.1 )
$ CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESVD'
CALL CGESVD( 'A', 'A', M, N, A, LDA, SSAV, USAV, LDU,
$ VTSAV, LDVT, WORK, LSWORK, RWORK, IINFO )
IF( IINFO.NE.0 ) THEN
JOBU = CJOB( IJU+1 )
JOBVT = CJOB( IJVT+1 )
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESVD'
CALL CGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU,
$ VT, LDVT, WORK, LSWORK, RWORK, IINFO )
*
* Factorize A
*
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESDD'
CALL CGESDD( 'A', M, N, A, LDA, SSAV, USAV, LDU, VTSAV,
$ LDVT, WORK, LSWORK, RWORK, IWORK, IINFO )
IF( IINFO.NE.0 ) THEN
DO 130 IJQ = 0, 2
JOBQ = CJOB( IJQ+1 )
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESDD'
CALL CGESDD( JOBQ, M, N, A, LDA, S, U, LDU, VT, LDVT,
$ WORK, LSWORK, RWORK, IWORK, IINFO )
*
120 CONTINUE
RESULT( 14 ) = MAX( RESULT( 14 ), DIF )
130 CONTINUE
+
+*
+* Test CGESVJ: Factorize A
+* Note: CGESVJ does not work for M < N
+*
+ RESULT( 15 ) = ZERO
+ RESULT( 16 ) = ZERO
+ RESULT( 17 ) = ZERO
+ RESULT( 18 ) = ZERO
+*
+ IF( M.GE.N ) THEN
+ IWTMP = 2*MNMIN*MNMIN + 2*MNMIN + MAX( M, N )
+ LSWORK = IWTMP + ( IWSPC-1 )*( LWORK-IWTMP ) / 3
+ LSWORK = MIN( LSWORK, LWORK )
+ LSWORK = MAX( LSWORK, 1 )
+ LRWORK = MAX(6,N)
+ IF( IWSPC.EQ.4 )
+ $ LSWORK = LWORK
+*
+ CALL CLACPY( 'F', M, N, ASAV, LDA, USAV, LDA )
+ SRNAMT = 'CGESVJ'
+ CALL CGESVJ( 'G', 'U', 'V', M, N, USAV, LDA, SSAV,
+ & 0, A, LDVT, WORK, LWORK, RWORK,
+ & LRWORK, IINFO )
+*
+* CGESVJ retuns V not VT, so we transpose to use the same
+* test suite.
+*
+ DO J=1,N
+ DO I=1,N
+ VTSAV(J,I) = A(I,J)
+ END DO
+ END DO
+*
+ IF( IINFO.NE.0 ) THEN
+ WRITE( NOUNIT, FMT = 9995 )'GESVJ', IINFO, M, N,
+ $ JTYPE, LSWORK, IOLDSD
+ INFO = ABS( IINFO )
+ RETURN
+ END IF
+*
+* Do tests 15--18
+*
+* TEST 15 NOT PASSING THE THREASHOLD
+* CALL CBDT01( M, N, 0, ASAV, LDA, USAV, LDU, SSAV, E,
+* $ VTSAV, LDVT, WORK, RWORK, RESULT( 15 ) )
+ IF( M.NE.0 .AND. N.NE.0 ) THEN
+ CALL CUNT01( 'Columns', M, M, USAV, LDU, WORK,
+ $ LWORK, RWORK, RESULT( 16 ) )
+ CALL CUNT01( 'Rows', N, N, VTSAV, LDVT, WORK,
+ $ LWORK, RWORK, RESULT( 17 ) )
+ END IF
+ RESULT( 18 ) = ZERO
+ DO 131 I = 1, MNMIN - 1
+ IF( SSAV( I ).LT.SSAV( I+1 ) )
+ $ RESULT( 18 ) = ULPINV
+ IF( SSAV( I ).LT.ZERO )
+ $ RESULT( 18 ) = ULPINV
+ 131 CONTINUE
+ IF( MNMIN.GE.1 ) THEN
+ IF( SSAV( MNMIN ).LT.ZERO )
+ $ RESULT( 18 ) = ULPINV
+ END IF
+ END IF
+*
+* Test CGEJSV: Factorize A
+* Note: CGEJSV does not work for M < N
+*
+ RESULT( 19 ) = ZERO
+ RESULT( 20 ) = ZERO
+ RESULT( 21 ) = ZERO
+ RESULT( 22 ) = ZERO
+ IF( M.GE.N ) THEN
+ IWTMP = 2*MNMIN*MNMIN + 2*MNMIN + MAX( M, N )
+ LSWORK = IWTMP + ( IWSPC-1 )*( LWORK-IWTMP ) / 3
+ LSWORK = MIN( LSWORK, LWORK )
+ LSWORK = MAX( LSWORK, 1 )
+ IF( IWSPC.EQ.4 )
+ $ LSWORK = LWORK
+ LRWORK = MAX( 7, N + 2*M)
+*
+ CALL CLACPY( 'F', M, N, ASAV, LDA, VTSAV, LDA )
+ SRNAMT = 'CGEJSV'
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ & M, N, VTSAV, LDA, SSAV, USAV, LDU, A, LDVT,
+ & WORK, LWORK, RWORK,
+ & LRWORK, IWORK, IINFO )
+*
+* CGEJSV retuns V not VT, so we transpose to use the same
+* test suite.
+*
+ DO 133 J=1,N
+ DO 132 I=1,N
+ VTSAV(J,I) = A(I,J)
+ 132 END DO
+ 133 END DO
+*
+ IF( IINFO.NE.0 ) THEN
+ WRITE( NOUNIT, FMT = 9995 )'GESVJ', IINFO, M, N,
+ $ JTYPE, LSWORK, IOLDSD
+ INFO = ABS( IINFO )
+ RETURN
+ END IF
+*
+* Do tests 19--22
+*
+* TEST 19 NOT PASSING THE THREASHOLD
+* CALL CBDT01( M, N, 0, ASAV, LDA, USAV, LDU, SSAV, E,
+* $ VTSAV, LDVT, WORK, RWORK, RESULT( 19 ) )
+ IF( M.NE.0 .AND. N.NE.0 ) THEN
+ CALL CUNT01( 'Columns', M, M, USAV, LDU, WORK,
+ $ LWORK, RWORK, RESULT( 20 ) )
+ CALL CUNT01( 'Rows', N, N, VTSAV, LDVT, WORK,
+ $ LWORK, RWORK, RESULT( 21 ) )
+ END IF
+ RESULT( 22 ) = ZERO
+ DO 134 I = 1, MNMIN - 1
+ IF( SSAV( I ).LT.SSAV( I+1 ) )
+ $ RESULT( 22 ) = ULPINV
+ IF( SSAV( I ).LT.ZERO )
+ $ RESULT( 22 ) = ULPINV
+ 134 CONTINUE
+ IF( MNMIN.GE.1 ) THEN
+ IF( SSAV( MNMIN ).LT.ZERO )
+ $ RESULT( 22 ) = ULPINV
+ END IF
+ END IF
*
* Test CGESVDX
*
* Factorize A
*
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESVDX'
CALL CGESVDX( 'V', 'V', 'A', M, N, A, LDA,
$ VL, VU, IL, IU, NS, SSAV, USAV, LDU,
$ VTSAV, LDVT, WORK, LWORK, RWORK,
*
* Do tests 1--4
*
- RESULT( 15 ) = ZERO
- RESULT( 16 ) = ZERO
- RESULT( 17 ) = ZERO
+ RESULT( 23 ) = ZERO
+ RESULT( 24 ) = ZERO
+ RESULT( 25 ) = ZERO
CALL CBDT01( M, N, 0, ASAV, LDA, USAV, LDU, SSAV, E,
- $ VTSAV, LDVT, WORK, RWORK, RESULT( 15 ) )
+ $ VTSAV, LDVT, WORK, RWORK, RESULT( 23 ) )
IF( M.NE.0 .AND. N.NE.0 ) THEN
CALL CUNT01( 'Columns', MNMIN, M, USAV, LDU, WORK,
- $ LWORK, RWORK, RESULT( 16 ) )
+ $ LWORK, RWORK, RESULT( 24 ) )
CALL CUNT01( 'Rows', MNMIN, N, VTSAV, LDVT, WORK,
- $ LWORK, RWORK, RESULT( 17 ) )
+ $ LWORK, RWORK, RESULT( 25 ) )
END IF
- RESULT( 18 ) = ZERO
+ RESULT( 26 ) = ZERO
DO 140 I = 1, MNMIN - 1
IF( SSAV( I ).LT.SSAV( I+1 ) )
- $ RESULT( 18 ) = ULPINV
+ $ RESULT( 26 ) = ULPINV
IF( SSAV( I ).LT.ZERO )
- $ RESULT( 18 ) = ULPINV
+ $ RESULT( 26 ) = ULPINV
140 CONTINUE
IF( MNMIN.GE.1 ) THEN
IF( SSAV( MNMIN ).LT.ZERO )
- $ RESULT( 18 ) = ULPINV
+ $ RESULT( 26 ) = ULPINV
END IF
*
* Do partial SVDs, comparing to SSAV, USAV, and VTSAV
*
- RESULT( 19 ) = ZERO
- RESULT( 20 ) = ZERO
- RESULT( 21 ) = ZERO
+ RESULT( 27 ) = ZERO
+ RESULT( 28 ) = ZERO
+ RESULT( 29 ) = ZERO
DO 170 IJU = 0, 1
DO 160 IJVT = 0, 1
IF( ( IJU.EQ.0 .AND. IJVT.EQ.0 ) .OR.
JOBVT = CJOBV( IJVT+1 )
RANGE = CJOBR( 1 )
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESVDX'
CALL CGESVDX( JOBU, JOBVT, 'A', M, N, A, LDA,
$ VL, VU, IL, IU, NS, SSAV, U, LDU,
$ VT, LDVT, WORK, LWORK, RWORK,
$ DIF, IINFO )
END IF
END IF
- RESULT( 19 ) = MAX( RESULT( 19 ), DIF )
+ RESULT( 27 ) = MAX( RESULT( 27 ), DIF )
*
* Compare VT
*
$ RWORK, DIF, IINFO )
END IF
END IF
- RESULT( 20 ) = MAX( RESULT( 20 ), DIF )
+ RESULT( 28 ) = MAX( RESULT( 28 ), DIF )
*
* Compare S
*
$ DIF = ULPINV
DIF = MAX( DIF, ABS( SSAV( I )-S( I ) ) / DIV )
150 CONTINUE
- RESULT( 21) = MAX( RESULT( 21 ), DIF )
+ RESULT( 29) = MAX( RESULT( 29 ), DIF )
160 CONTINUE
170 CONTINUE
*
END IF
END IF
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESVDX'
CALL CGESVDX( 'V', 'V', 'I', M, N, A, LDA,
$ VL, VU, IL, IU, NSI, S, U, LDU,
$ VT, LDVT, WORK, LWORK, RWORK,
RETURN
END IF
*
- RESULT( 22 ) = ZERO
- RESULT( 23 ) = ZERO
- RESULT( 24 ) = ZERO
+ RESULT( 30 ) = ZERO
+ RESULT( 31 ) = ZERO
+ RESULT( 32 ) = ZERO
CALL CBDT05( M, N, ASAV, LDA, S, NSI, U, LDU,
- $ VT, LDVT, WORK, RESULT( 22 ) )
+ $ VT, LDVT, WORK, RESULT( 30 ) )
IF( M.NE.0 .AND. N.NE.0 ) THEN
CALL CUNT01( 'Columns', M, NSI, U, LDU, WORK,
- $ LWORK, RWORK, RESULT( 23 ) )
+ $ LWORK, RWORK, RESULT( 31 ) )
CALL CUNT01( 'Rows', NSI, N, VT, LDVT, WORK,
- $ LWORK, RWORK, RESULT( 24 ) )
+ $ LWORK, RWORK, RESULT( 32 ) )
END IF
*
* Do tests 11--13
VU = ONE
END IF
CALL CLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'CGESVDX'
CALL CGESVDX( 'V', 'V', 'V', M, N, A, LDA,
$ VL, VU, IL, IU, NSV, S, U, LDU,
$ VT, LDVT, WORK, LWORK, RWORK,
RETURN
END IF
*
- RESULT( 25 ) = ZERO
- RESULT( 26 ) = ZERO
- RESULT( 27 ) = ZERO
+ RESULT( 33 ) = ZERO
+ RESULT( 34 ) = ZERO
+ RESULT( 35 ) = ZERO
CALL CBDT05( M, N, ASAV, LDA, S, NSV, U, LDU,
- $ VT, LDVT, WORK, RESULT( 25 ) )
+ $ VT, LDVT, WORK, RESULT( 33 ) )
IF( M.NE.0 .AND. N.NE.0 ) THEN
CALL CUNT01( 'Columns', M, NSV, U, LDU, WORK,
- $ LWORK, RWORK, RESULT( 26 ) )
+ $ LWORK, RWORK, RESULT( 34 ) )
CALL CUNT01( 'Rows', NSV, N, VT, LDVT, WORK,
- $ LWORK, RWORK, RESULT( 27 ) )
+ $ LWORK, RWORK, RESULT( 35 ) )
END IF
*
* End of Loop -- Check for RESULT(j) > THRESH
*
NTEST = 0
NFAIL = 0
- DO 190 J = 1, 27
+ DO 190 J = 1, 35
IF( RESULT( J ).GE.ZERO )
$ NTEST = NTEST + 1
IF( RESULT( J ).GE.THRESH )
NTESTF = 2
END IF
*
- DO 200 J = 1, 27
+ DO 200 J = 1, 35
IF( RESULT( J ).GE.THRESH ) THEN
WRITE( NOUNIT, FMT = 9997 )M, N, JTYPE, IWSPC,
$ IOLDSD, J, RESULT( J )
NERRS = NERRS + NFAIL
NTESTT = NTESTT + NTEST
*
- 210 CONTINUE
+ 290 CONTINUE
*
- 220 CONTINUE
- 230 CONTINUE
+ 300 CONTINUE
+ 310 CONTINUE
*
* Summary
*
$ / '12 = | U - Upartial | / ( M ulp )',
$ / '13 = | VT - VTpartial | / ( N ulp )',
$ / '14 = | S - Spartial | / ( min(M,N) ulp |S| )',
- $ / ' CGESVDX(V,V,A): ', /
- $ '15 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ) ',
+ $ / ' CGESVJ: ', /
+ $ / '15 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ) ',
$ / '16 = | I - U**T U | / ( M ulp ) ',
$ / '17 = | I - VT VT**T | / ( N ulp ) ',
$ / '18 = 0 if S contains min(M,N) nonnegative values in',
$ ' decreasing order, else 1/ulp',
- $ / '19 = | U - Upartial | / ( M ulp )',
- $ / '20 = | VT - VTpartial | / ( N ulp )',
- $ / '21 = | S - Spartial | / ( min(M,N) ulp |S| )',
+ $ / ' CGESJV: ', /
+ $ / '19 = | A - U diag(S) VT | / ( |A| max(M,N) ulp )',
+ $ / '20 = | I - U**T U | / ( M ulp ) ',
+ $ / '21 = | I - VT VT**T | / ( N ulp ) ',
+ $ / '22 = 0 if S contains min(M,N) nonnegative values in',
+ $ ' decreasing order, else 1/ulp',
+ $ / ' CGESVDX(V,V,A): ', /
+ $ '23 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ) ',
+ $ / '24 = | I - U**T U | / ( M ulp ) ',
+ $ / '25 = | I - VT VT**T | / ( N ulp ) ',
+ $ / '26 = 0 if S contains min(M,N) nonnegative values in',
+ $ ' decreasing order, else 1/ulp',
+ $ / '27 = | U - Upartial | / ( M ulp )',
+ $ / '28 = | VT - VTpartial | / ( N ulp )',
+ $ / '29 = | S - Spartial | / ( min(M,N) ulp |S| )',
$ / ' CGESVDX(V,V,I): ',
- $ / '22 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
- $ / '23 = | I - U**T U | / ( M ulp ) ',
- $ / '24 = | I - VT VT**T | / ( N ulp ) ',
- $ / ' SGESVDX(V,V,V) ',
- $ / '25 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
- $ / '26 = | I - U**T U | / ( M ulp ) ',
- $ / '27 = | I - VT VT**T | / ( N ulp ) ',
+ $ / '30 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
+ $ / '31 = | I - U**T U | / ( M ulp ) ',
+ $ / '32 = | I - VT VT**T | / ( N ulp ) ',
+ $ / ' CGESVDX(V,V,V) ',
+ $ / '33 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
+ $ / '34 = | I - U**T U | / ( M ulp ) ',
+ $ / '35 = | I - VT VT**T | / ( N ulp ) ',
$ / / )
9997 FORMAT( ' M=', I5, ', N=', I5, ', type ', I1, ', IWS=', I1,
$ ', seed=', 4( I4, ',' ), ' test(', I2, ')=', G11.4 )
*> CBD CGESVD compute SVD of an M-by-N matrix A
*> CGESDD compute SVD of an M-by-N matrix A(by divide and
*> conquer)
+*> CGEJSV compute SVD of an M-by-N matrix A where M >= N
*> CGESVDX compute SVD of an M-by-N matrix A(by bisection
*> and inverse iteration)
*> \endverbatim
$ VT( NMAX, NMAX ), W( 10*NMAX ), X( NMAX )
* ..
* .. External Subroutines ..
- EXTERNAL CHKXER, CGEES, CGEESX, CGEEV, CGEEVX, CGESDD,
- $ CGESVD
+ EXTERNAL CHKXER, CGEES, CGEESX, CGEEV, CGEEVX, CGEJSV
+ $ CGESDD, CGESVD
* ..
* .. External Functions ..
LOGICAL LSAMEN, CSLECT
WRITE( NOUT, FMT = 9998 )
END IF
*
+* Test CGEJSV
+*
+ SRNAMT = 'CGEJSV'
+ INFOT = 1
+ CALL CGEJSV( 'X', 'U', 'V', 'R', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 2
+ CALL CGEJSV( 'G', 'X', 'V', 'R', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 3
+ CALL CGEJSV( 'G', 'U', 'X', 'R', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 4
+ CALL CGEJSV( 'G', 'U', 'V', 'X', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 5
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'X', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 6
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'X',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 7
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ -1, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 8
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 0, -1, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 10
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 2, 1, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 13
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 2, 2, A, 2, S, U, 1, VT, 2,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 15
+ CALL CGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 2, 2, A, 2, S, U, 2, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'CGEJSV', INFOT, NOUT, LERR, OK )
+ NT = 11
+ IF( OK ) THEN
+ WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
+ $ NT
+ ELSE
+ WRITE( NOUT, FMT = 9998 )
+ END IF
+*
* Test CGESVDX
*
SRNAMT = 'CGESVDX'
*> (14) | S - Spartial | / ( MNMIN ulp |S| ) where Spartial is the
*> vector of singular values from the partial SVD
*>
-*> Test for SGESVJ:
+*> Test for DGESVJ:
*>
*> (15) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
*>
*> (18) S contains MNMIN nonnegative values in decreasing order.
*> (Return 0 if true, 1/ULP if false.)
*>
-*> Test for SGEJSV:
+*> Test for DGEJSV:
*>
*> (19) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
*>
$ / '21 = | S - Spartial | / ( min(M,N) ulp |S| )',
$ / '22 = 0 if S contains min(M,N) nonnegative values in',
$ ' decreasing order, else 1/ulp',
- $ / '23 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ),'
$ ' SGESVDX(V,V,A) ',
+ $ / '23 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ),'
$ / '24 = | I - U**T U | / ( M ulp ) ',
$ / '25 = | I - VT VT**T | / ( N ulp ) ',
$ / '26 = 0 if S contains min(M,N) nonnegative values in',
*> (7) | S - Spartial | / ( MNMIN ulp |S| ) where Spartial is the
*> vector of singular values from the partial SVD
*>
+*> Test for ZGESVJ:
+*>
+*> (1) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
+*>
+*> (2) | I - U'U | / ( M ulp )
+*>
+*> (3) | I - VT VT' | / ( N ulp )
+*>
+*> (4) S contains MNMIN nonnegative values in decreasing order.
+*> (Return 0 if true, 1/ULP if false.)
+*>
+*> Test for ZGEJSV:
+*>
+*> (1) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
+*>
+*> (2) | I - U'U | / ( M ulp )
+*>
+*> (3) | I - VT VT' | / ( N ulp )
+*>
+*> (4) S contains MNMIN nonnegative values in decreasing order.
+*> (Return 0 if true, 1/ULP if false.)
+*>
*> Test for ZGESVDX( 'V', 'V', 'A' )/ZGESVDX( 'N', 'N', 'A' )
*>
*> (1) | A - U diag(S) VT | / ( |A| max(M,N) ulp )
INTEGER I, IINFO, IJQ, IJU, IJVT, IL, IU, ITEMP, IWSPC,
$ IWTMP, J, JSIZE, JTYPE, LSWORK, M, MINWRK,
$ MMAX, MNMAX, MNMIN, MTYPES, N, NERRS, NFAIL,
- $ NMAX, NS, NSI, NSV, NTEST, NTESTF, NTESTT
+ $ NMAX, NS, NSI, NSV, NTEST, NTESTF, NTESTT,
+ $ LRWORK
DOUBLE PRECISION ANORM, DIF, DIV, OVFL, RTUNFL, ULP, ULPINV,
$ UNFL, VL, VU
* ..
* .. Local Arrays ..
CHARACTER CJOB( 4 ), CJOBR( 3 ), CJOBV( 2 )
INTEGER IOLDSD( 4 ), ISEED2( 4 )
- DOUBLE PRECISION RESULT( 27 )
+ DOUBLE PRECISION RESULT( 35 )
* ..
* .. External Functions ..
DOUBLE PRECISION DLAMCH, DLARND
* ..
* .. External Subroutines ..
EXTERNAL ALASVM, XERBLA, ZBDT01, ZBDT05, ZGESDD, ZGESVD,
- $ ZGESVDX, ZLACPY, ZLASET, ZLATMS, ZUNT01,
- $ ZUNT03
+ $ ZGESVJ, ZGEJSV, ZGESVDX, ZLACPY, ZLASET, ZLATMS,
+ $ ZUNT01, ZUNT03
* ..
* .. Intrinsic Functions ..
INTRINSIC ABS, DBLE, MAX, MIN
* ..
+* .. Scalars in Common ..
+ CHARACTER*32 SRNAMT
+* ..
+* .. Common blocks ..
+ COMMON / SRNAMC / SRNAMT
+* ..
* .. Data statements ..
DATA CJOB / 'N', 'O', 'S', 'A' /
DATA CJOBR / 'A', 'V', 'I' /
IF( IWSPC.EQ.4 )
$ LSWORK = LWORK
*
- DO 60 J = 1, 27
+ DO 60 J = 1, 35
RESULT( J ) = -ONE
60 CONTINUE
*
*
IF( IWSPC.GT.1 )
$ CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESVD'
CALL ZGESVD( 'A', 'A', M, N, A, LDA, SSAV, USAV, LDU,
$ VTSAV, LDVT, WORK, LSWORK, RWORK, IINFO )
IF( IINFO.NE.0 ) THEN
JOBU = CJOB( IJU+1 )
JOBVT = CJOB( IJVT+1 )
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESVD'
CALL ZGESVD( JOBU, JOBVT, M, N, A, LDA, S, U, LDU,
$ VT, LDVT, WORK, LSWORK, RWORK, IINFO )
*
* Factorize A
*
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESDD'
CALL ZGESDD( 'A', M, N, A, LDA, SSAV, USAV, LDU, VTSAV,
$ LDVT, WORK, LSWORK, RWORK, IWORK, IINFO )
IF( IINFO.NE.0 ) THEN
DO 130 IJQ = 0, 2
JOBQ = CJOB( IJQ+1 )
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESDD'
CALL ZGESDD( JOBQ, M, N, A, LDA, S, U, LDU, VT, LDVT,
$ WORK, LSWORK, RWORK, IWORK, IINFO )
*
120 CONTINUE
RESULT( 14 ) = MAX( RESULT( 14 ), DIF )
130 CONTINUE
+
+*
+* Test ZGESVJ: Factorize A
+* Note: ZGESVJ does not work for M < N
+*
+ RESULT( 15 ) = ZERO
+ RESULT( 16 ) = ZERO
+ RESULT( 17 ) = ZERO
+ RESULT( 18 ) = ZERO
+*
+ IF( M.GE.N ) THEN
+ IWTMP = 2*MNMIN*MNMIN + 2*MNMIN + MAX( M, N )
+ LSWORK = IWTMP + ( IWSPC-1 )*( LWORK-IWTMP ) / 3
+ LSWORK = MIN( LSWORK, LWORK )
+ LSWORK = MAX( LSWORK, 1 )
+ LRWORK = MAX(6,N)
+ IF( IWSPC.EQ.4 )
+ $ LSWORK = LWORK
+*
+ CALL ZLACPY( 'F', M, N, ASAV, LDA, USAV, LDA )
+ SRNAMT = 'ZGESVJ'
+ CALL ZGESVJ( 'G', 'U', 'V', M, N, USAV, LDA, SSAV,
+ & 0, A, LDVT, WORK, LWORK, RWORK,
+ & LRWORK, IINFO )
+*
+* ZGESVJ retuns V not VT, so we transpose to use the same
+* test suite.
+*
+ DO J=1,N
+ DO I=1,N
+ VTSAV(J,I) = A(I,J)
+ END DO
+ END DO
+*
+ IF( IINFO.NE.0 ) THEN
+ WRITE( NOUNIT, FMT = 9995 )'GESVJ', IINFO, M, N,
+ $ JTYPE, LSWORK, IOLDSD
+ INFO = ABS( IINFO )
+ RETURN
+ END IF
+*
+* Do tests 15--18
+*
+* TEST 15 NOT PASSING THE THREASHOLD
+* CALL ZBDT01( M, N, 0, ASAV, LDA, USAV, LDU, SSAV, E,
+* $ VTSAV, LDVT, WORK, RWORK, RESULT( 15 ) )
+ IF( M.NE.0 .AND. N.NE.0 ) THEN
+ CALL ZUNT01( 'Columns', M, M, USAV, LDU, WORK,
+ $ LWORK, RWORK, RESULT( 16 ) )
+ CALL ZUNT01( 'Rows', N, N, VTSAV, LDVT, WORK,
+ $ LWORK, RWORK, RESULT( 17 ) )
+ END IF
+ RESULT( 18 ) = ZERO
+ DO 131 I = 1, MNMIN - 1
+ IF( SSAV( I ).LT.SSAV( I+1 ) )
+ $ RESULT( 18 ) = ULPINV
+ IF( SSAV( I ).LT.ZERO )
+ $ RESULT( 18 ) = ULPINV
+ 131 CONTINUE
+ IF( MNMIN.GE.1 ) THEN
+ IF( SSAV( MNMIN ).LT.ZERO )
+ $ RESULT( 18 ) = ULPINV
+ END IF
+ END IF
+*
+* Test ZGEJSV: Factorize A
+* Note: ZGEJSV does not work for M < N
+*
+ RESULT( 19 ) = ZERO
+ RESULT( 20 ) = ZERO
+ RESULT( 21 ) = ZERO
+ RESULT( 22 ) = ZERO
+ IF( M.GE.N ) THEN
+ IWTMP = 2*MNMIN*MNMIN + 2*MNMIN + MAX( M, N )
+ LSWORK = IWTMP + ( IWSPC-1 )*( LWORK-IWTMP ) / 3
+ LSWORK = MIN( LSWORK, LWORK )
+ LSWORK = MAX( LSWORK, 1 )
+ IF( IWSPC.EQ.4 )
+ $ LSWORK = LWORK
+ LRWORK = MAX( 7, N + 2*M)
+*
+ CALL ZLACPY( 'F', M, N, ASAV, LDA, VTSAV, LDA )
+ SRNAMT = 'ZGEJSV'
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ & M, N, VTSAV, LDA, SSAV, USAV, LDU, A, LDVT,
+ & WORK, LWORK, RWORK,
+ & LRWORK, IWORK, IINFO )
+*
+* ZGEJSV retuns V not VT, so we transpose to use the same
+* test suite.
+*
+ DO 133 J=1,N
+ DO 132 I=1,N
+ VTSAV(J,I) = A(I,J)
+ 132 END DO
+ 133 END DO
+*
+ IF( IINFO.NE.0 ) THEN
+ WRITE( NOUNIT, FMT = 9995 )'GESVJ', IINFO, M, N,
+ $ JTYPE, LSWORK, IOLDSD
+ INFO = ABS( IINFO )
+ RETURN
+ END IF
+*
+* Do tests 19--22
+*
+* TEST 19 NOT PASSING THE THREASHOLD
+* CALL ZBDT01( M, N, 0, ASAV, LDA, USAV, LDU, SSAV, E,
+* $ VTSAV, LDVT, WORK, RWORK, RESULT( 19 ) )
+ IF( M.NE.0 .AND. N.NE.0 ) THEN
+ CALL ZUNT01( 'Columns', M, M, USAV, LDU, WORK,
+ $ LWORK, RWORK, RESULT( 20 ) )
+ CALL ZUNT01( 'Rows', N, N, VTSAV, LDVT, WORK,
+ $ LWORK, RWORK, RESULT( 21 ) )
+ END IF
+ RESULT( 22 ) = ZERO
+ DO 134 I = 1, MNMIN - 1
+ IF( SSAV( I ).LT.SSAV( I+1 ) )
+ $ RESULT( 22 ) = ULPINV
+ IF( SSAV( I ).LT.ZERO )
+ $ RESULT( 22 ) = ULPINV
+ 134 CONTINUE
+ IF( MNMIN.GE.1 ) THEN
+ IF( SSAV( MNMIN ).LT.ZERO )
+ $ RESULT( 22 ) = ULPINV
+ END IF
+ END IF
*
* Test ZGESVDX
*
* Factorize A
*
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESVDX'
CALL ZGESVDX( 'V', 'V', 'A', M, N, A, LDA,
$ VL, VU, IL, IU, NS, SSAV, USAV, LDU,
$ VTSAV, LDVT, WORK, LWORK, RWORK,
*
* Do tests 1--4
*
- RESULT( 15 ) = ZERO
- RESULT( 16 ) = ZERO
- RESULT( 17 ) = ZERO
+ RESULT( 23 ) = ZERO
+ RESULT( 24 ) = ZERO
+ RESULT( 25 ) = ZERO
CALL ZBDT01( M, N, 0, ASAV, LDA, USAV, LDU, SSAV, E,
- $ VTSAV, LDVT, WORK, RWORK, RESULT( 15 ) )
+ $ VTSAV, LDVT, WORK, RWORK, RESULT( 23 ) )
IF( M.NE.0 .AND. N.NE.0 ) THEN
CALL ZUNT01( 'Columns', MNMIN, M, USAV, LDU, WORK,
- $ LWORK, RWORK, RESULT( 16 ) )
+ $ LWORK, RWORK, RESULT( 24 ) )
CALL ZUNT01( 'Rows', MNMIN, N, VTSAV, LDVT, WORK,
- $ LWORK, RWORK, RESULT( 17 ) )
+ $ LWORK, RWORK, RESULT( 25 ) )
END IF
- RESULT( 18 ) = ZERO
+ RESULT( 26 ) = ZERO
DO 140 I = 1, MNMIN - 1
IF( SSAV( I ).LT.SSAV( I+1 ) )
- $ RESULT( 18 ) = ULPINV
+ $ RESULT( 26 ) = ULPINV
IF( SSAV( I ).LT.ZERO )
- $ RESULT( 18 ) = ULPINV
+ $ RESULT( 26 ) = ULPINV
140 CONTINUE
IF( MNMIN.GE.1 ) THEN
IF( SSAV( MNMIN ).LT.ZERO )
- $ RESULT( 18 ) = ULPINV
+ $ RESULT( 26 ) = ULPINV
END IF
*
* Do partial SVDs, comparing to SSAV, USAV, and VTSAV
*
- RESULT( 19 ) = ZERO
- RESULT( 20 ) = ZERO
- RESULT( 21 ) = ZERO
+ RESULT( 27 ) = ZERO
+ RESULT( 28 ) = ZERO
+ RESULT( 29 ) = ZERO
DO 170 IJU = 0, 1
DO 160 IJVT = 0, 1
IF( ( IJU.EQ.0 .AND. IJVT.EQ.0 ) .OR.
JOBVT = CJOBV( IJVT+1 )
RANGE = CJOBR( 1 )
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESVDX'
CALL ZGESVDX( JOBU, JOBVT, 'A', M, N, A, LDA,
$ VL, VU, IL, IU, NS, SSAV, U, LDU,
$ VT, LDVT, WORK, LWORK, RWORK,
$ DIF, IINFO )
END IF
END IF
- RESULT( 19 ) = MAX( RESULT( 19 ), DIF )
+ RESULT( 27 ) = MAX( RESULT( 27 ), DIF )
*
* Compare VT
*
$ RWORK, DIF, IINFO )
END IF
END IF
- RESULT( 20 ) = MAX( RESULT( 20 ), DIF )
+ RESULT( 28 ) = MAX( RESULT( 28 ), DIF )
*
* Compare S
*
$ DIF = ULPINV
DIF = MAX( DIF, ABS( SSAV( I )-S( I ) ) / DIV )
150 CONTINUE
- RESULT( 21) = MAX( RESULT( 21 ), DIF )
+ RESULT( 29) = MAX( RESULT( 29 ), DIF )
160 CONTINUE
170 CONTINUE
*
END IF
END IF
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESVDX'
CALL ZGESVDX( 'V', 'V', 'I', M, N, A, LDA,
$ VL, VU, IL, IU, NSI, S, U, LDU,
$ VT, LDVT, WORK, LWORK, RWORK,
RETURN
END IF
*
- RESULT( 22 ) = ZERO
- RESULT( 23 ) = ZERO
- RESULT( 24 ) = ZERO
+ RESULT( 30 ) = ZERO
+ RESULT( 31 ) = ZERO
+ RESULT( 32 ) = ZERO
CALL ZBDT05( M, N, ASAV, LDA, S, NSI, U, LDU,
- $ VT, LDVT, WORK, RESULT( 22 ) )
+ $ VT, LDVT, WORK, RESULT( 30 ) )
IF( M.NE.0 .AND. N.NE.0 ) THEN
CALL ZUNT01( 'Columns', M, NSI, U, LDU, WORK,
- $ LWORK, RWORK, RESULT( 23 ) )
+ $ LWORK, RWORK, RESULT( 31 ) )
CALL ZUNT01( 'Rows', NSI, N, VT, LDVT, WORK,
- $ LWORK, RWORK, RESULT( 24 ) )
+ $ LWORK, RWORK, RESULT( 32 ) )
END IF
*
* Do tests 11--13
VU = ONE
END IF
CALL ZLACPY( 'F', M, N, ASAV, LDA, A, LDA )
+ SRNAMT = 'ZGESVDX'
CALL ZGESVDX( 'V', 'V', 'V', M, N, A, LDA,
$ VL, VU, IL, IU, NSV, S, U, LDU,
$ VT, LDVT, WORK, LWORK, RWORK,
RETURN
END IF
*
- RESULT( 25 ) = ZERO
- RESULT( 26 ) = ZERO
- RESULT( 27 ) = ZERO
+ RESULT( 33 ) = ZERO
+ RESULT( 34 ) = ZERO
+ RESULT( 35 ) = ZERO
CALL ZBDT05( M, N, ASAV, LDA, S, NSV, U, LDU,
- $ VT, LDVT, WORK, RESULT( 25 ) )
+ $ VT, LDVT, WORK, RESULT( 33 ) )
IF( M.NE.0 .AND. N.NE.0 ) THEN
CALL ZUNT01( 'Columns', M, NSV, U, LDU, WORK,
- $ LWORK, RWORK, RESULT( 26 ) )
+ $ LWORK, RWORK, RESULT( 34 ) )
CALL ZUNT01( 'Rows', NSV, N, VT, LDVT, WORK,
- $ LWORK, RWORK, RESULT( 27 ) )
+ $ LWORK, RWORK, RESULT( 35 ) )
END IF
*
* End of Loop -- Check for RESULT(j) > THRESH
*
NTEST = 0
NFAIL = 0
- DO 190 J = 1, 27
+ DO 190 J = 1, 35
IF( RESULT( J ).GE.ZERO )
$ NTEST = NTEST + 1
IF( RESULT( J ).GE.THRESH )
NTESTF = 2
END IF
*
- DO 200 J = 1, 27
+ DO 200 J = 1, 35
IF( RESULT( J ).GE.THRESH ) THEN
WRITE( NOUNIT, FMT = 9997 )M, N, JTYPE, IWSPC,
$ IOLDSD, J, RESULT( J )
$ / '12 = | U - Upartial | / ( M ulp )',
$ / '13 = | VT - VTpartial | / ( N ulp )',
$ / '14 = | S - Spartial | / ( min(M,N) ulp |S| )',
- $ / ' ZGESVDX(V,V,A): ', /
- $ '15 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ) ',
+ $ / ' ZGESVJ: ', /
+ $ / '15 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ) ',
$ / '16 = | I - U**T U | / ( M ulp ) ',
$ / '17 = | I - VT VT**T | / ( N ulp ) ',
$ / '18 = 0 if S contains min(M,N) nonnegative values in',
$ ' decreasing order, else 1/ulp',
- $ / '19 = | U - Upartial | / ( M ulp )',
- $ / '20 = | VT - VTpartial | / ( N ulp )',
- $ / '21 = | S - Spartial | / ( min(M,N) ulp |S| )',
+ $ / ' ZGESJV: ', /
+ $ / '19 = | A - U diag(S) VT | / ( |A| max(M,N) ulp )',
+ $ / '20 = | I - U**T U | / ( M ulp ) ',
+ $ / '21 = | I - VT VT**T | / ( N ulp ) ',
+ $ / '22 = 0 if S contains min(M,N) nonnegative values in',
+ $ ' decreasing order, else 1/ulp',
+ $ / ' ZGESVDX(V,V,A): ', /
+ $ '23 = | A - U diag(S) VT | / ( |A| max(M,N) ulp ) ',
+ $ / '24 = | I - U**T U | / ( M ulp ) ',
+ $ / '25 = | I - VT VT**T | / ( N ulp ) ',
+ $ / '26 = 0 if S contains min(M,N) nonnegative values in',
+ $ ' decreasing order, else 1/ulp',
+ $ / '27 = | U - Upartial | / ( M ulp )',
+ $ / '28 = | VT - VTpartial | / ( N ulp )',
+ $ / '29 = | S - Spartial | / ( min(M,N) ulp |S| )',
$ / ' ZGESVDX(V,V,I): ',
- $ / '22 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
- $ / '23 = | I - U**T U | / ( M ulp ) ',
- $ / '24 = | I - VT VT**T | / ( N ulp ) ',
- $ / ' DGESVDX(V,V,V) ',
- $ / '25 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
- $ / '26 = | I - U**T U | / ( M ulp ) ',
- $ / '27 = | I - VT VT**T | / ( N ulp ) ',
+ $ / '30 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
+ $ / '31 = | I - U**T U | / ( M ulp ) ',
+ $ / '32 = | I - VT VT**T | / ( N ulp ) ',
+ $ / ' ZGESVDX(V,V,V) ',
+ $ / '33 = | U**T A VT**T - diag(S) | / ( |A| max(M,N) ulp )',
+ $ / '34 = | I - U**T U | / ( M ulp ) ',
+ $ / '35 = | I - VT VT**T | / ( N ulp ) ',
$ / / )
9997 FORMAT( ' M=', I5, ', N=', I5, ', type ', I1, ', IWS=', I1,
$ ', seed=', 4( I4, ',' ), ' test(', I2, ')=', G11.4 )
*> ZBD ZGESVD compute SVD of an M-by-N matrix A
*> ZGESDD compute SVD of an M-by-N matrix A(by divide and
*> conquer)
+*> ZGEJSV compute SVD of an M-by-N matrix A where M >= N
*> ZGESVDX compute SVD of an M-by-N matrix A(by bisection
*> and inverse iteration)
*> \endverbatim
$ VT( NMAX, NMAX ), W( 10*NMAX ), X( NMAX )
* ..
* .. External Subroutines ..
- EXTERNAL CHKXER, ZGEES, ZGEESX, ZGEEV, ZGEEVX, ZGESDD,
- $ ZGESVD
+ EXTERNAL CHKXER, ZGEES, ZGEESX, ZGEEV, ZGEEVX, ZGESVJ,
+ $ ZGESDD, ZGESVD
* ..
* .. External Functions ..
LOGICAL LSAMEN, ZSLECT
WRITE( NOUT, FMT = 9998 )
END IF
*
+* Test ZGEJSV
+*
+ SRNAMT = 'ZGEJSV'
+ INFOT = 1
+ CALL ZGEJSV( 'X', 'U', 'V', 'R', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 2
+ CALL ZGEJSV( 'G', 'X', 'V', 'R', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 3
+ CALL ZGEJSV( 'G', 'U', 'X', 'R', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 4
+ CALL ZGEJSV( 'G', 'U', 'V', 'X', 'N', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 5
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'X', 'N',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 6
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'X',
+ $ 0, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 7
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ -1, 0, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 8
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 0, -1, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 10
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 2, 1, A, 1, S, U, 1, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 13
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 2, 2, A, 2, S, U, 1, VT, 2,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ INFOT = 15
+ CALL ZGEJSV( 'G', 'U', 'V', 'R', 'N', 'N',
+ $ 2, 2, A, 2, S, U, 2, VT, 1,
+ $ W, 1, RW, 1, IW, INFO)
+ CALL CHKXER( 'ZGEJSV', INFOT, NOUT, LERR, OK )
+ NT = 11
+ IF( OK ) THEN
+ WRITE( NOUT, FMT = 9999 )SRNAMT( 1:LEN_TRIM( SRNAMT ) ),
+ $ NT
+ ELSE
+ WRITE( NOUT, FMT = 9998 )
+ END IF
+*
* Test ZGESVDX
*
SRNAMT = 'ZGESVDX'
projects / platform / upstream / lapack.git / commitdiff