1*> \brief \b SDRVSYX 2* 3* =========== DOCUMENTATION =========== 4* 5* Online html documentation available at 6* http://www.netlib.org/lapack/explore-html/ 7* 8* Definition: 9* =========== 10* 11* SUBROUTINE SDRVSY( DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX, 12* A, AFAC, AINV, B, X, XACT, WORK, RWORK, IWORK, 13* NOUT ) 14* 15* .. Scalar Arguments .. 16* LOGICAL TSTERR 17* INTEGER NMAX, NN, NOUT, NRHS 18* REAL THRESH 19* .. 20* .. Array Arguments .. 21* LOGICAL DOTYPE( * ) 22* INTEGER IWORK( * ), NVAL( * ) 23* REAL A( * ), AFAC( * ), AINV( * ), B( * ), 24* $ RWORK( * ), WORK( * ), X( * ), XACT( * ) 25* .. 26* 27* 28*> \par Purpose: 29* ============= 30*> 31*> \verbatim 32*> 33*> SDRVSY tests the driver routines SSYSV, -SVX, and -SVXX 34*> 35*> Note that this file is used only when the XBLAS are available, 36*> otherwise sdrvsy.f defines this subroutine. 37*> \endverbatim 38* 39* Arguments: 40* ========== 41* 42*> \param[in] DOTYPE 43*> \verbatim 44*> DOTYPE is LOGICAL array, dimension (NTYPES) 45*> The matrix types to be used for testing. Matrices of type j 46*> (for 1 <= j <= NTYPES) are used for testing if DOTYPE(j) = 47*> .TRUE.; if DOTYPE(j) = .FALSE., then type j is not used. 48*> \endverbatim 49*> 50*> \param[in] NN 51*> \verbatim 52*> NN is INTEGER 53*> The number of values of N contained in the vector NVAL. 54*> \endverbatim 55*> 56*> \param[in] NVAL 57*> \verbatim 58*> NVAL is INTEGER array, dimension (NN) 59*> The values of the matrix dimension N. 60*> \endverbatim 61*> 62*> \param[in] NRHS 63*> \verbatim 64*> NRHS is INTEGER 65*> The number of right hand side vectors to be generated for 66*> each linear system. 67*> \endverbatim 68*> 69*> \param[in] THRESH 70*> \verbatim 71*> THRESH is REAL 72*> The threshold value for the test ratios. A result is 73*> included in the output file if RESULT >= THRESH. To have 74*> every test ratio printed, use THRESH = 0. 75*> \endverbatim 76*> 77*> \param[in] TSTERR 78*> \verbatim 79*> TSTERR is LOGICAL 80*> Flag that indicates whether error exits are to be tested. 81*> \endverbatim 82*> 83*> \param[in] NMAX 84*> \verbatim 85*> NMAX is INTEGER 86*> The maximum value permitted for N, used in dimensioning the 87*> work arrays. 88*> \endverbatim 89*> 90*> \param[out] A 91*> \verbatim 92*> A is REAL array, dimension (NMAX*NMAX) 93*> \endverbatim 94*> 95*> \param[out] AFAC 96*> \verbatim 97*> AFAC is REAL array, dimension (NMAX*NMAX) 98*> \endverbatim 99*> 100*> \param[out] AINV 101*> \verbatim 102*> AINV is REAL array, dimension (NMAX*NMAX) 103*> \endverbatim 104*> 105*> \param[out] B 106*> \verbatim 107*> B is REAL array, dimension (NMAX*NRHS) 108*> \endverbatim 109*> 110*> \param[out] X 111*> \verbatim 112*> X is REAL array, dimension (NMAX*NRHS) 113*> \endverbatim 114*> 115*> \param[out] XACT 116*> \verbatim 117*> XACT is REAL array, dimension (NMAX*NRHS) 118*> \endverbatim 119*> 120*> \param[out] WORK 121*> \verbatim 122*> WORK is REAL array, dimension 123*> (NMAX*max(2,NRHS)) 124*> \endverbatim 125*> 126*> \param[out] RWORK 127*> \verbatim 128*> RWORK is REAL array, dimension (NMAX+2*NRHS) 129*> \endverbatim 130*> 131*> \param[out] IWORK 132*> \verbatim 133*> IWORK is INTEGER array, dimension (2*NMAX) 134*> \endverbatim 135*> 136*> \param[in] NOUT 137*> \verbatim 138*> NOUT is INTEGER 139*> The unit number for output. 140*> \endverbatim 141* 142* Authors: 143* ======== 144* 145*> \author Univ. of Tennessee 146*> \author Univ. of California Berkeley 147*> \author Univ. of Colorado Denver 148*> \author NAG Ltd. 149* 150*> \date December 2016 151* 152*> \ingroup single_lin 153* 154* ===================================================================== 155 SUBROUTINE SDRVSY( DOTYPE, NN, NVAL, NRHS, THRESH, TSTERR, NMAX, 156 $ A, AFAC, AINV, B, X, XACT, WORK, RWORK, IWORK, 157 $ NOUT ) 158* 159* -- LAPACK test routine (version 3.7.0) -- 160* -- LAPACK is a software package provided by Univ. of Tennessee, -- 161* -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- 162* December 2016 163* 164* .. Scalar Arguments .. 165 LOGICAL TSTERR 166 INTEGER NMAX, NN, NOUT, NRHS 167 REAL THRESH 168* .. 169* .. Array Arguments .. 170 LOGICAL DOTYPE( * ) 171 INTEGER IWORK( * ), NVAL( * ) 172 REAL A( * ), AFAC( * ), AINV( * ), B( * ), 173 $ RWORK( * ), WORK( * ), X( * ), XACT( * ) 174* .. 175* 176* ===================================================================== 177* 178* .. Parameters .. 179 REAL ONE, ZERO 180 PARAMETER ( ONE = 1.0E+0, ZERO = 0.0E+0 ) 181 INTEGER NTYPES, NTESTS 182 PARAMETER ( NTYPES = 10, NTESTS = 6 ) 183 INTEGER NFACT 184 PARAMETER ( NFACT = 2 ) 185* .. 186* .. Local Scalars .. 187 LOGICAL ZEROT 188 CHARACTER DIST, EQUED, FACT, TYPE, UPLO, XTYPE 189 CHARACTER*3 PATH 190 INTEGER I, I1, I2, IFACT, IMAT, IN, INFO, IOFF, IUPLO, 191 $ IZERO, J, K, K1, KL, KU, LDA, LWORK, MODE, N, 192 $ NB, NBMIN, NERRS, NFAIL, NIMAT, NRUN, NT, 193 $ N_ERR_BNDS 194 REAL AINVNM, ANORM, CNDNUM, RCOND, RCONDC, 195 $ RPVGRW_SVXX 196* .. 197* .. Local Arrays .. 198 CHARACTER FACTS( NFACT ), UPLOS( 2 ) 199 INTEGER ISEED( 4 ), ISEEDY( 4 ) 200 REAL RESULT( NTESTS ), BERR( NRHS ), 201 $ ERRBNDS_N( NRHS, 3 ), ERRBNDS_C( NRHS, 3 ) 202* .. 203* .. External Functions .. 204 REAL SGET06, SLANSY 205 EXTERNAL SGET06, SLANSY 206* .. 207* .. External Subroutines .. 208 EXTERNAL ALADHD, ALAERH, ALASVM, SERRVX, SGET04, SLACPY, 209 $ SLARHS, SLASET, SLATB4, SLATMS, SPOT02, SPOT05, 210 $ SSYSV, SSYSVX, SSYT01, SSYTRF, SSYTRI2, XLAENV, 211 $ SSYSVXX 212* .. 213* .. Scalars in Common .. 214 LOGICAL LERR, OK 215 CHARACTER*32 SRNAMT 216 INTEGER INFOT, NUNIT 217* .. 218* .. Common blocks .. 219 COMMON / INFOC / INFOT, NUNIT, OK, LERR 220 COMMON / SRNAMC / SRNAMT 221* .. 222* .. Intrinsic Functions .. 223 INTRINSIC MAX, MIN 224* .. 225* .. Data statements .. 226 DATA ISEEDY / 1988, 1989, 1990, 1991 / 227 DATA UPLOS / 'U', 'L' / , FACTS / 'F', 'N' / 228* .. 229* .. Executable Statements .. 230* 231* Initialize constants and the random number seed. 232* 233 PATH( 1: 1 ) = 'Single precision' 234 PATH( 2: 3 ) = 'SY' 235 NRUN = 0 236 NFAIL = 0 237 NERRS = 0 238 DO 10 I = 1, 4 239 ISEED( I ) = ISEEDY( I ) 240 10 CONTINUE 241 LWORK = MAX( 2*NMAX, NMAX*NRHS ) 242* 243* Test the error exits 244* 245 IF( TSTERR ) 246 $ CALL SERRVX( PATH, NOUT ) 247 INFOT = 0 248* 249* Set the block size and minimum block size for testing. 250* 251 NB = 1 252 NBMIN = 2 253 CALL XLAENV( 1, NB ) 254 CALL XLAENV( 2, NBMIN ) 255* 256* Do for each value of N in NVAL 257* 258 DO 180 IN = 1, NN 259 N = NVAL( IN ) 260 LDA = MAX( N, 1 ) 261 XTYPE = 'N' 262 NIMAT = NTYPES 263 IF( N.LE.0 ) 264 $ NIMAT = 1 265* 266 DO 170 IMAT = 1, NIMAT 267* 268* Do the tests only if DOTYPE( IMAT ) is true. 269* 270 IF( .NOT.DOTYPE( IMAT ) ) 271 $ GO TO 170 272* 273* Skip types 3, 4, 5, or 6 if the matrix size is too small. 274* 275 ZEROT = IMAT.GE.3 .AND. IMAT.LE.6 276 IF( ZEROT .AND. N.LT.IMAT-2 ) 277 $ GO TO 170 278* 279* Do first for UPLO = 'U', then for UPLO = 'L' 280* 281 DO 160 IUPLO = 1, 2 282 UPLO = UPLOS( IUPLO ) 283* 284* Set up parameters with SLATB4 and generate a test matrix 285* with SLATMS. 286* 287 CALL SLATB4( PATH, IMAT, N, N, TYPE, KL, KU, ANORM, MODE, 288 $ CNDNUM, DIST ) 289* 290 SRNAMT = 'SLATMS' 291 CALL SLATMS( N, N, DIST, ISEED, TYPE, RWORK, MODE, 292 $ CNDNUM, ANORM, KL, KU, UPLO, A, LDA, WORK, 293 $ INFO ) 294* 295* Check error code from SLATMS. 296* 297 IF( INFO.NE.0 ) THEN 298 CALL ALAERH( PATH, 'SLATMS', INFO, 0, UPLO, N, N, -1, 299 $ -1, -1, IMAT, NFAIL, NERRS, NOUT ) 300 GO TO 160 301 END IF 302* 303* For types 3-6, zero one or more rows and columns of the 304* matrix to test that INFO is returned correctly. 305* 306 IF( ZEROT ) THEN 307 IF( IMAT.EQ.3 ) THEN 308 IZERO = 1 309 ELSE IF( IMAT.EQ.4 ) THEN 310 IZERO = N 311 ELSE 312 IZERO = N / 2 + 1 313 END IF 314* 315 IF( IMAT.LT.6 ) THEN 316* 317* Set row and column IZERO to zero. 318* 319 IF( IUPLO.EQ.1 ) THEN 320 IOFF = ( IZERO-1 )*LDA 321 DO 20 I = 1, IZERO - 1 322 A( IOFF+I ) = ZERO 323 20 CONTINUE 324 IOFF = IOFF + IZERO 325 DO 30 I = IZERO, N 326 A( IOFF ) = ZERO 327 IOFF = IOFF + LDA 328 30 CONTINUE 329 ELSE 330 IOFF = IZERO 331 DO 40 I = 1, IZERO - 1 332 A( IOFF ) = ZERO 333 IOFF = IOFF + LDA 334 40 CONTINUE 335 IOFF = IOFF - IZERO 336 DO 50 I = IZERO, N 337 A( IOFF+I ) = ZERO 338 50 CONTINUE 339 END IF 340 ELSE 341 IOFF = 0 342 IF( IUPLO.EQ.1 ) THEN 343* 344* Set the first IZERO rows and columns to zero. 345* 346 DO 70 J = 1, N 347 I2 = MIN( J, IZERO ) 348 DO 60 I = 1, I2 349 A( IOFF+I ) = ZERO 350 60 CONTINUE 351 IOFF = IOFF + LDA 352 70 CONTINUE 353 ELSE 354* 355* Set the last IZERO rows and columns to zero. 356* 357 DO 90 J = 1, N 358 I1 = MAX( J, IZERO ) 359 DO 80 I = I1, N 360 A( IOFF+I ) = ZERO 361 80 CONTINUE 362 IOFF = IOFF + LDA 363 90 CONTINUE 364 END IF 365 END IF 366 ELSE 367 IZERO = 0 368 END IF 369* 370 DO 150 IFACT = 1, NFACT 371* 372* Do first for FACT = 'F', then for other values. 373* 374 FACT = FACTS( IFACT ) 375* 376* Compute the condition number for comparison with 377* the value returned by SSYSVX. 378* 379 IF( ZEROT ) THEN 380 IF( IFACT.EQ.1 ) 381 $ GO TO 150 382 RCONDC = ZERO 383* 384 ELSE IF( IFACT.EQ.1 ) THEN 385* 386* Compute the 1-norm of A. 387* 388 ANORM = SLANSY( '1', UPLO, N, A, LDA, RWORK ) 389* 390* Factor the matrix A. 391* 392 CALL SLACPY( UPLO, N, N, A, LDA, AFAC, LDA ) 393 CALL SSYTRF( UPLO, N, AFAC, LDA, IWORK, WORK, 394 $ LWORK, INFO ) 395* 396* Compute inv(A) and take its norm. 397* 398 CALL SLACPY( UPLO, N, N, AFAC, LDA, AINV, LDA ) 399 LWORK = (N+NB+1)*(NB+3) 400 CALL SSYTRI2( UPLO, N, AINV, LDA, IWORK, WORK, 401 $ LWORK, INFO ) 402 AINVNM = SLANSY( '1', UPLO, N, AINV, LDA, RWORK ) 403* 404* Compute the 1-norm condition number of A. 405* 406 IF( ANORM.LE.ZERO .OR. AINVNM.LE.ZERO ) THEN 407 RCONDC = ONE 408 ELSE 409 RCONDC = ( ONE / ANORM ) / AINVNM 410 END IF 411 END IF 412* 413* Form an exact solution and set the right hand side. 414* 415 SRNAMT = 'SLARHS' 416 CALL SLARHS( PATH, XTYPE, UPLO, ' ', N, N, KL, KU, 417 $ NRHS, A, LDA, XACT, LDA, B, LDA, ISEED, 418 $ INFO ) 419 XTYPE = 'C' 420* 421* --- Test SSYSV --- 422* 423 IF( IFACT.EQ.2 ) THEN 424 CALL SLACPY( UPLO, N, N, A, LDA, AFAC, LDA ) 425 CALL SLACPY( 'Full', N, NRHS, B, LDA, X, LDA ) 426* 427* Factor the matrix and solve the system using SSYSV. 428* 429 SRNAMT = 'SSYSV ' 430 CALL SSYSV( UPLO, N, NRHS, AFAC, LDA, IWORK, X, 431 $ LDA, WORK, LWORK, INFO ) 432* 433* Adjust the expected value of INFO to account for 434* pivoting. 435* 436 K = IZERO 437 IF( K.GT.0 ) THEN 438 100 CONTINUE 439 IF( IWORK( K ).LT.0 ) THEN 440 IF( IWORK( K ).NE.-K ) THEN 441 K = -IWORK( K ) 442 GO TO 100 443 END IF 444 ELSE IF( IWORK( K ).NE.K ) THEN 445 K = IWORK( K ) 446 GO TO 100 447 END IF 448 END IF 449* 450* Check error code from SSYSV . 451* 452 IF( INFO.NE.K ) THEN 453 CALL ALAERH( PATH, 'SSYSV ', INFO, K, UPLO, N, 454 $ N, -1, -1, NRHS, IMAT, NFAIL, 455 $ NERRS, NOUT ) 456 GO TO 120 457 ELSE IF( INFO.NE.0 ) THEN 458 GO TO 120 459 END IF 460* 461* Reconstruct matrix from factors and compute 462* residual. 463* 464 CALL SSYT01( UPLO, N, A, LDA, AFAC, LDA, IWORK, 465 $ AINV, LDA, RWORK, RESULT( 1 ) ) 466* 467* Compute residual of the computed solution. 468* 469 CALL SLACPY( 'Full', N, NRHS, B, LDA, WORK, LDA ) 470 CALL SPOT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK, 471 $ LDA, RWORK, RESULT( 2 ) ) 472* 473* Check solution from generated exact solution. 474* 475 CALL SGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC, 476 $ RESULT( 3 ) ) 477 NT = 3 478* 479* Print information about the tests that did not pass 480* the threshold. 481* 482 DO 110 K = 1, NT 483 IF( RESULT( K ).GE.THRESH ) THEN 484 IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 ) 485 $ CALL ALADHD( NOUT, PATH ) 486 WRITE( NOUT, FMT = 9999 )'SSYSV ', UPLO, N, 487 $ IMAT, K, RESULT( K ) 488 NFAIL = NFAIL + 1 489 END IF 490 110 CONTINUE 491 NRUN = NRUN + NT 492 120 CONTINUE 493 END IF 494* 495* --- Test SSYSVX --- 496* 497 IF( IFACT.EQ.2 ) 498 $ CALL SLASET( UPLO, N, N, ZERO, ZERO, AFAC, LDA ) 499 CALL SLASET( 'Full', N, NRHS, ZERO, ZERO, X, LDA ) 500* 501* Solve the system and compute the condition number and 502* error bounds using SSYSVX. 503* 504 SRNAMT = 'SSYSVX' 505 CALL SSYSVX( FACT, UPLO, N, NRHS, A, LDA, AFAC, LDA, 506 $ IWORK, B, LDA, X, LDA, RCOND, RWORK, 507 $ RWORK( NRHS+1 ), WORK, LWORK, 508 $ IWORK( N+1 ), INFO ) 509* 510* Adjust the expected value of INFO to account for 511* pivoting. 512* 513 K = IZERO 514 IF( K.GT.0 ) THEN 515 130 CONTINUE 516 IF( IWORK( K ).LT.0 ) THEN 517 IF( IWORK( K ).NE.-K ) THEN 518 K = -IWORK( K ) 519 GO TO 130 520 END IF 521 ELSE IF( IWORK( K ).NE.K ) THEN 522 K = IWORK( K ) 523 GO TO 130 524 END IF 525 END IF 526* 527* Check the error code from SSYSVX. 528* 529 IF( INFO.NE.K ) THEN 530 CALL ALAERH( PATH, 'SSYSVX', INFO, K, FACT // UPLO, 531 $ N, N, -1, -1, NRHS, IMAT, NFAIL, 532 $ NERRS, NOUT ) 533 GO TO 150 534 END IF 535* 536 IF( INFO.EQ.0 ) THEN 537 IF( IFACT.GE.2 ) THEN 538* 539* Reconstruct matrix from factors and compute 540* residual. 541* 542 CALL SSYT01( UPLO, N, A, LDA, AFAC, LDA, IWORK, 543 $ AINV, LDA, RWORK( 2*NRHS+1 ), 544 $ RESULT( 1 ) ) 545 K1 = 1 546 ELSE 547 K1 = 2 548 END IF 549* 550* Compute residual of the computed solution. 551* 552 CALL SLACPY( 'Full', N, NRHS, B, LDA, WORK, LDA ) 553 CALL SPOT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK, 554 $ LDA, RWORK( 2*NRHS+1 ), RESULT( 2 ) ) 555* 556* Check solution from generated exact solution. 557* 558 CALL SGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC, 559 $ RESULT( 3 ) ) 560* 561* Check the error bounds from iterative refinement. 562* 563 CALL SPOT05( UPLO, N, NRHS, A, LDA, B, LDA, X, LDA, 564 $ XACT, LDA, RWORK, RWORK( NRHS+1 ), 565 $ RESULT( 4 ) ) 566 ELSE 567 K1 = 6 568 END IF 569* 570* Compare RCOND from SSYSVX with the computed value 571* in RCONDC. 572* 573 RESULT( 6 ) = SGET06( RCOND, RCONDC ) 574* 575* Print information about the tests that did not pass 576* the threshold. 577* 578 DO 140 K = K1, 6 579 IF( RESULT( K ).GE.THRESH ) THEN 580 IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 ) 581 $ CALL ALADHD( NOUT, PATH ) 582 WRITE( NOUT, FMT = 9998 )'SSYSVX', FACT, UPLO, 583 $ N, IMAT, K, RESULT( K ) 584 NFAIL = NFAIL + 1 585 END IF 586 140 CONTINUE 587 NRUN = NRUN + 7 - K1 588* 589* --- Test SSYSVXX --- 590* 591* Restore the matrices A and B. 592* 593 IF( IFACT.EQ.2 ) 594 $ CALL SLASET( UPLO, N, N, ZERO, ZERO, AFAC, LDA ) 595 CALL SLASET( 'Full', N, NRHS, ZERO, ZERO, X, LDA ) 596* 597* Solve the system and compute the condition number 598* and error bounds using SSYSVXX. 599* 600 SRNAMT = 'SSYSVXX' 601 N_ERR_BNDS = 3 602 EQUED = 'N' 603 CALL SSYSVXX( FACT, UPLO, N, NRHS, A, LDA, AFAC, 604 $ LDA, IWORK, EQUED, WORK( N+1 ), B, LDA, X, 605 $ LDA, RCOND, RPVGRW_SVXX, BERR, N_ERR_BNDS, 606 $ ERRBNDS_N, ERRBNDS_C, 0, ZERO, WORK, 607 $ IWORK( N+1 ), INFO ) 608* 609* Adjust the expected value of INFO to account for 610* pivoting. 611* 612 K = IZERO 613 IF( K.GT.0 ) THEN 614 135 CONTINUE 615 IF( IWORK( K ).LT.0 ) THEN 616 IF( IWORK( K ).NE.-K ) THEN 617 K = -IWORK( K ) 618 GO TO 135 619 END IF 620 ELSE IF( IWORK( K ).NE.K ) THEN 621 K = IWORK( K ) 622 GO TO 135 623 END IF 624 END IF 625* 626* Check the error code from SSYSVXX. 627* 628 IF( INFO.NE.K .AND. INFO.LE.N ) THEN 629 CALL ALAERH( PATH, 'SSYSVXX', INFO, K, 630 $ FACT // UPLO, N, N, -1, -1, NRHS, IMAT, NFAIL, 631 $ NERRS, NOUT ) 632 GO TO 150 633 END IF 634* 635 IF( INFO.EQ.0 ) THEN 636 IF( IFACT.GE.2 ) THEN 637* 638* Reconstruct matrix from factors and compute 639* residual. 640* 641 CALL SSYT01( UPLO, N, A, LDA, AFAC, LDA, IWORK, 642 $ AINV, LDA, RWORK(2*NRHS+1), 643 $ RESULT( 1 ) ) 644 K1 = 1 645 ELSE 646 K1 = 2 647 END IF 648* 649* Compute residual of the computed solution. 650* 651 CALL SLACPY( 'Full', N, NRHS, B, LDA, WORK, LDA ) 652 CALL SPOT02( UPLO, N, NRHS, A, LDA, X, LDA, WORK, 653 $ LDA, RWORK( 2*NRHS+1 ), RESULT( 2 ) ) 654* 655* Check solution from generated exact solution. 656* 657 CALL SGET04( N, NRHS, X, LDA, XACT, LDA, RCONDC, 658 $ RESULT( 3 ) ) 659* 660* Check the error bounds from iterative refinement. 661* 662 CALL SPOT05( UPLO, N, NRHS, A, LDA, B, LDA, X, LDA, 663 $ XACT, LDA, RWORK, RWORK( NRHS+1 ), 664 $ RESULT( 4 ) ) 665 ELSE 666 K1 = 6 667 END IF 668* 669* Compare RCOND from SSYSVXX with the computed value 670* in RCONDC. 671* 672 RESULT( 6 ) = SGET06( RCOND, RCONDC ) 673* 674* Print information about the tests that did not pass 675* the threshold. 676* 677 DO 85 K = K1, 6 678 IF( RESULT( K ).GE.THRESH ) THEN 679 IF( NFAIL.EQ.0 .AND. NERRS.EQ.0 ) 680 $ CALL ALADHD( NOUT, PATH ) 681 WRITE( NOUT, FMT = 9998 )'SSYSVXX', 682 $ FACT, UPLO, N, IMAT, K, 683 $ RESULT( K ) 684 NFAIL = NFAIL + 1 685 END IF 686 85 CONTINUE 687 NRUN = NRUN + 7 - K1 688* 689 150 CONTINUE 690* 691 160 CONTINUE 692 170 CONTINUE 693 180 CONTINUE 694* 695* Print a summary of the results. 696* 697 CALL ALASVM( PATH, NOUT, NFAIL, NRUN, NERRS ) 698* 699 700* Test Error Bounds from SSYSVXX 701 702 CALL SEBCHVXX(THRESH, PATH) 703 704 9999 FORMAT( 1X, A, ', UPLO=''', A1, ''', N =', I5, ', type ', I2, 705 $ ', test ', I2, ', ratio =', G12.5 ) 706 9998 FORMAT( 1X, A, ', FACT=''', A1, ''', UPLO=''', A1, ''', N =', I5, 707 $ ', type ', I2, ', test ', I2, ', ratio =', G12.5 ) 708 RETURN 709* 710* End of SDRVSY 711* 712 END 713