#include "f2c.h" #include "blaswrap.h" /* Table of constant values */ static doublecomplex c_b1 = {0.,0.}; static doublecomplex c_b2 = {1.,0.}; static integer c__1 = 1; static doublereal c_b27 = 1.; static integer c__0 = 0; static doublereal c_b33 = 0.; static integer c__4 = 4; static integer c__6 = 6; /* Subroutine */ int zchkhs_(integer *nsizes, integer *nn, integer *ntypes, logical *dotype, integer *iseed, doublereal *thresh, integer *nounit, doublecomplex *a, integer *lda, doublecomplex *h__, doublecomplex *t1, doublecomplex *t2, doublecomplex *u, integer *ldu, doublecomplex * z__, doublecomplex *uz, doublecomplex *w1, doublecomplex *w3, doublecomplex *evectl, doublecomplex *evectr, doublecomplex *evecty, doublecomplex *evectx, doublecomplex *uu, doublecomplex *tau, doublecomplex *work, integer *nwork, doublereal *rwork, integer * iwork, logical *select, doublereal *result, integer *info) { /* Initialized data */ static integer ktype[21] = { 1,2,3,4,4,4,4,4,6,6,6,6,6,6,6,6,6,6,9,9,9 }; static integer kmagn[21] = { 1,1,1,1,1,1,2,3,1,1,1,1,1,1,1,1,2,3,1,2,3 }; static integer kmode[21] = { 0,0,0,4,3,1,4,4,4,3,1,5,4,3,1,5,5,5,4,3,1 }; static integer kconds[21] = { 0,0,0,0,0,0,0,0,1,1,1,1,2,2,2,2,2,2,0,0,0 }; /* Format strings */ static char fmt_9999[] = "(\002 ZCHKHS: \002,a,\002 returned INFO=\002,i" "6,\002.\002,/9x,\002N=\002,i6,\002, JTYPE=\002,i6,\002, ISEED=" "(\002,3(i5,\002,\002),i5,\002)\002)"; static char fmt_9998[] = "(\002 ZCHKHS: \002,a,\002 Eigenvectors from" " \002,a,\002 incorrectly \002,\002normalized.\002,/\002 Bits of " "error=\002,0p,g10.3,\002,\002,9x,\002N=\002,i6,\002, JTYPE=\002," "i6,\002, ISEED=(\002,3(i5,\002,\002),i5,\002)\002)"; static char fmt_9997[] = "(\002 ZCHKHS: Selected \002,a,\002 Eigenvector" "s from \002,a,\002 do not match other eigenvectors \002,9x,\002N=" "\002,i6,\002, JTYPE=\002,i6,\002, ISEED=(\002,3(i5,\002,\002),i5," "\002)\002)"; /* System generated locals */ integer a_dim1, a_offset, evectl_dim1, evectl_offset, evectr_dim1, evectr_offset, evectx_dim1, evectx_offset, evecty_dim1, evecty_offset, h_dim1, h_offset, t1_dim1, t1_offset, t2_dim1, t2_offset, u_dim1, u_offset, uu_dim1, uu_offset, uz_dim1, uz_offset, z_dim1, z_offset, i__1, i__2, i__3, i__4, i__5, i__6; doublereal d__1, d__2; doublecomplex z__1; /* Builtin functions */ double sqrt(doublereal); integer s_wsfe(cilist *), do_fio(integer *, char *, ftnlen), e_wsfe(void); double z_abs(doublecomplex *); /* Local variables */ integer i__, j, k, n, n1, jj, in, ihi, ilo; doublereal ulp, cond; integer jcol, nmax; doublereal unfl, ovfl, temp1, temp2; logical badnn, match; integer imode; doublereal dumma[4]; integer iinfo; doublereal conds; extern /* Subroutine */ int zget10_(integer *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, doublecomplex *, doublereal *, doublereal *); doublereal aninv, anorm; extern /* Subroutine */ int zget22_(char *, char *, char *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, doublereal *, doublereal *), zgemm_(char *, char *, integer *, integer *, integer *, doublecomplex *, doublecomplex *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, integer *); integer nmats, jsize, nerrs, itype, jtype, ntest; extern /* Subroutine */ int zhst01_(integer *, integer *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, doublereal *, doublereal *), zcopy_(integer *, doublecomplex *, integer *, doublecomplex *, integer *); doublereal rtulp; extern /* Subroutine */ int dlabad_(doublereal *, doublereal *); extern doublereal dlamch_(char *); doublecomplex cdumma[4]; integer idumma[1]; extern /* Subroutine */ int dlafts_(char *, integer *, integer *, integer *, integer *, doublereal *, integer *, doublereal *, integer *, integer *); integer ioldsd[4]; extern /* Subroutine */ int xerbla_(char *, integer *), zgehrd_( integer *, integer *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, integer *, integer *), dlasum_( char *, integer *, integer *, integer *), zlatme_(integer *, char *, integer *, doublecomplex *, integer *, doublereal *, doublecomplex *, char *, char *, char *, char *, doublereal *, integer *, doublereal *, integer *, integer *, doublereal *, doublecomplex *, integer *, doublecomplex *, integer *), zhsein_(char *, char *, char *, logical *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, integer *, doublecomplex *, integer *, integer * , integer *, doublecomplex *, doublereal *, integer *, integer *, integer *), zlacpy_(char *, integer *, integer *, doublecomplex *, integer *, doublecomplex *, integer *), zlaset_(char *, integer *, integer *, doublecomplex *, doublecomplex *, doublecomplex *, integer *), zlatmr_( integer *, integer *, char *, integer *, char *, doublecomplex *, integer *, doublereal *, doublecomplex *, char *, char *, doublecomplex *, integer *, doublereal *, doublecomplex *, integer *, doublereal *, char *, integer *, integer *, integer *, doublereal *, doublereal *, char *, doublecomplex *, integer *, integer *, integer *); doublereal rtunfl, rtovfl, rtulpi, ulpinv; integer mtypes, ntestt; extern /* Subroutine */ int zhseqr_(char *, char *, integer *, integer *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, integer *, doublecomplex *, integer *, integer *), zlatms_(integer *, integer *, char *, integer *, char *, doublereal *, integer *, doublereal *, doublereal *, integer *, integer *, char *, doublecomplex *, integer *, doublecomplex *, integer *), ztrevc_(char *, char *, logical *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, doublecomplex *, integer *, integer *, integer *, doublecomplex *, doublereal *, integer *), zunghr_(integer *, integer *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, integer *, integer * ), zunmhr_(char *, char *, integer *, integer *, integer *, integer *, doublecomplex *, integer *, doublecomplex *, doublecomplex *, integer *, doublecomplex *, integer *, integer *); /* Fortran I/O blocks */ static cilist io___35 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___38 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___40 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___41 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___42 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___47 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___49 = { 0, 0, 0, fmt_9998, 0 }; static cilist io___50 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___54 = { 0, 0, 0, fmt_9997, 0 }; static cilist io___55 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___56 = { 0, 0, 0, fmt_9998, 0 }; static cilist io___57 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___58 = { 0, 0, 0, fmt_9997, 0 }; static cilist io___59 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___60 = { 0, 0, 0, fmt_9998, 0 }; static cilist io___61 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___62 = { 0, 0, 0, fmt_9998, 0 }; static cilist io___63 = { 0, 0, 0, fmt_9999, 0 }; static cilist io___64 = { 0, 0, 0, fmt_9999, 0 }; /* -- LAPACK test routine (version 3.1.1) -- */ /* Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */ /* February 2007 */ /* .. Scalar Arguments .. */ /* .. */ /* .. Array Arguments .. */ /* .. */ /* Purpose */ /* ======= */ /* ZCHKHS checks the nonsymmetric eigenvalue problem routines. */ /* ZGEHRD factors A as U H U' , where ' means conjugate */ /* transpose, H is hessenberg, and U is unitary. */ /* ZUNGHR generates the unitary matrix U. */ /* ZUNMHR multiplies a matrix by the unitary matrix U. */ /* ZHSEQR factors H as Z T Z' , where Z is unitary and T */ /* is upper triangular. It also computes the eigenvalues, */ /* w(1), ..., w(n); we define a diagonal matrix W whose */ /* (diagonal) entries are the eigenvalues. */ /* ZTREVC computes the left eigenvector matrix L and the */ /* right eigenvector matrix R for the matrix T. The */ /* columns of L are the complex conjugates of the left */ /* eigenvectors of T. The columns of R are the right */ /* eigenvectors of T. L is lower triangular, and R is */ /* upper triangular. */ /* ZHSEIN computes the left eigenvector matrix Y and the */ /* right eigenvector matrix X for the matrix H. The */ /* columns of Y are the complex conjugates of the left */ /* eigenvectors of H. The columns of X are the right */ /* eigenvectors of H. Y is lower triangular, and X is */ /* upper triangular. */ /* When ZCHKHS is called, a number of matrix "sizes" ("n's") and a */ /* number of matrix "types" are specified. For each size ("n") */ /* and each type of matrix, one matrix will be generated and used */ /* to test the nonsymmetric eigenroutines. For each matrix, 14 */ /* tests will be performed: */ /* (1) | A - U H U**H | / ( |A| n ulp ) */ /* (2) | I - UU**H | / ( n ulp ) */ /* (3) | H - Z T Z**H | / ( |H| n ulp ) */ /* (4) | I - ZZ**H | / ( n ulp ) */ /* (5) | A - UZ H (UZ)**H | / ( |A| n ulp ) */ /* (6) | I - UZ (UZ)**H | / ( n ulp ) */ /* (7) | T(Z computed) - T(Z not computed) | / ( |T| ulp ) */ /* (8) | W(Z computed) - W(Z not computed) | / ( |W| ulp ) */ /* (9) | TR - RW | / ( |T| |R| ulp ) */ /* (10) | L**H T - W**H L | / ( |T| |L| ulp ) */ /* (11) | HX - XW | / ( |H| |X| ulp ) */ /* (12) | Y**H H - W**H Y | / ( |H| |Y| ulp ) */ /* (13) | AX - XW | / ( |A| |X| ulp ) */ /* (14) | Y**H A - W**H Y | / ( |A| |Y| ulp ) */ /* The "sizes" are specified by an array NN(1:NSIZES); the value of */ /* each element NN(j) specifies one size. */ /* The "types" are specified by a logical array DOTYPE( 1:NTYPES ); */ /* if DOTYPE(j) is .TRUE., then matrix type "j" will be generated. */ /* Currently, the list of possible types is: */ /* (1) The zero matrix. */ /* (2) The identity matrix. */ /* (3) A (transposed) Jordan block, with 1's on the diagonal. */ /* (4) A diagonal matrix with evenly spaced entries */ /* 1, ..., ULP and random complex angles. */ /* (ULP = (first number larger than 1) - 1 ) */ /* (5) A diagonal matrix with geometrically spaced entries */ /* 1, ..., ULP and random complex angles. */ /* (6) A diagonal matrix with "clustered" entries 1, ULP, ..., ULP */ /* and random complex angles. */ /* (7) Same as (4), but multiplied by SQRT( overflow threshold ) */ /* (8) Same as (4), but multiplied by SQRT( underflow threshold ) */ /* (9) A matrix of the form U' T U, where U is unitary and */ /* T has evenly spaced entries 1, ..., ULP with random complex */ /* angles on the diagonal and random O(1) entries in the upper */ /* triangle. */ /* (10) A matrix of the form U' T U, where U is unitary and */ /* T has geometrically spaced entries 1, ..., ULP with random */ /* complex angles on the diagonal and random O(1) entries in */ /* the upper triangle. */ /* (11) A matrix of the form U' T U, where U is unitary and */ /* T has "clustered" entries 1, ULP,..., ULP with random */ /* complex angles on the diagonal and random O(1) entries in */ /* the upper triangle. */ /* (12) A matrix of the form U' T U, where U is unitary and */ /* T has complex eigenvalues randomly chosen from */ /* ULP < |z| < 1 and random O(1) entries in the upper */ /* triangle. */ /* (13) A matrix of the form X' T X, where X has condition */ /* SQRT( ULP ) and T has evenly spaced entries 1, ..., ULP */ /* with random complex angles on the diagonal and random O(1) */ /* entries in the upper triangle. */ /* (14) A matrix of the form X' T X, where X has condition */ /* SQRT( ULP ) and T has geometrically spaced entries */ /* 1, ..., ULP with random complex angles on the diagonal */ /* and random O(1) entries in the upper triangle. */ /* (15) A matrix of the form X' T X, where X has condition */ /* SQRT( ULP ) and T has "clustered" entries 1, ULP,..., ULP */ /* with random complex angles on the diagonal and random O(1) */ /* entries in the upper triangle. */ /* (16) A matrix of the form X' T X, where X has condition */ /* SQRT( ULP ) and T has complex eigenvalues randomly chosen */ /* from ULP < |z| < 1 and random O(1) entries in the upper */ /* triangle. */ /* (17) Same as (16), but multiplied by SQRT( overflow threshold ) */ /* (18) Same as (16), but multiplied by SQRT( underflow threshold ) */ /* (19) Nonsymmetric matrix with random entries chosen from |z| < 1 */ /* (20) Same as (19), but multiplied by SQRT( overflow threshold ) */ /* (21) Same as (19), but multiplied by SQRT( underflow threshold ) */ /* Arguments */ /* ========== */ /* NSIZES - INTEGER */ /* The number of sizes of matrices to use. If it is zero, */ /* ZCHKHS does nothing. It must be at least zero. */ /* Not modified. */ /* NN - INTEGER array, dimension (NSIZES) */ /* An array containing the sizes to be used for the matrices. */ /* Zero values will be skipped. The values must be at least */ /* zero. */ /* Not modified. */ /* NTYPES - INTEGER */ /* The number of elements in DOTYPE. If it is zero, ZCHKHS */ /* does nothing. It must be at least zero. If it is MAXTYP+1 */ /* and NSIZES is 1, then an additional type, MAXTYP+1 is */ /* defined, which is to use whatever matrix is in A. This */ /* is only useful if DOTYPE(1:MAXTYP) is .FALSE. and */ /* DOTYPE(MAXTYP+1) is .TRUE. . */ /* Not modified. */ /* DOTYPE - LOGICAL array, dimension (NTYPES) */ /* If DOTYPE(j) is .TRUE., then for each size in NN a */ /* matrix of that size and of type j will be generated. */ /* If NTYPES is smaller than the maximum number of types */ /* defined (PARAMETER MAXTYP), then types NTYPES+1 through */ /* MAXTYP will not be generated. If NTYPES is larger */ /* than MAXTYP, DOTYPE(MAXTYP+1) through DOTYPE(NTYPES) */ /* will be ignored. */ /* Not modified. */ /* ISEED - INTEGER array, dimension (4) */ /* On entry ISEED specifies the seed of the random number */ /* generator. The array elements should be between 0 and 4095; */ /* if not they will be reduced mod 4096. Also, ISEED(4) must */ /* be odd. The random number generator uses a linear */ /* congruential sequence limited to small integers, and so */ /* should produce machine independent random numbers. The */ /* values of ISEED are changed on exit, and can be used in the */ /* next call to ZCHKHS to continue the same random number */ /* sequence. */ /* Modified. */ /* THRESH - DOUBLE PRECISION */ /* A test will count as "failed" if the "error", computed as */ /* described above, exceeds THRESH. Note that the error */ /* is scaled to be O(1), so THRESH should be a reasonably */ /* small multiple of 1, e.g., 10 or 100. In particular, */ /* it should not depend on the precision (single vs. double) */ /* or the size of the matrix. It must be at least zero. */ /* Not modified. */ /* NOUNIT - INTEGER */ /* The FORTRAN unit number for printing out error messages */ /* (e.g., if a routine returns IINFO not equal to 0.) */ /* Not modified. */ /* A - COMPLEX*16 array, dimension (LDA,max(NN)) */ /* Used to hold the matrix whose eigenvalues are to be */ /* computed. On exit, A contains the last matrix actually */ /* used. */ /* Modified. */ /* LDA - INTEGER */ /* The leading dimension of A, H, T1 and T2. It must be at */ /* least 1 and at least max( NN ). */ /* Not modified. */ /* H - COMPLEX*16 array, dimension (LDA,max(NN)) */ /* The upper hessenberg matrix computed by ZGEHRD. On exit, */ /* H contains the Hessenberg form of the matrix in A. */ /* Modified. */ /* T1 - COMPLEX*16 array, dimension (LDA,max(NN)) */ /* The Schur (="quasi-triangular") matrix computed by ZHSEQR */ /* if Z is computed. On exit, T1 contains the Schur form of */ /* the matrix in A. */ /* Modified. */ /* T2 - COMPLEX*16 array, dimension (LDA,max(NN)) */ /* The Schur matrix computed by ZHSEQR when Z is not computed. */ /* This should be identical to T1. */ /* Modified. */ /* LDU - INTEGER */ /* The leading dimension of U, Z, UZ and UU. It must be at */ /* least 1 and at least max( NN ). */ /* Not modified. */ /* U - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The unitary matrix computed by ZGEHRD. */ /* Modified. */ /* Z - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The unitary matrix computed by ZHSEQR. */ /* Modified. */ /* UZ - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The product of U times Z. */ /* Modified. */ /* W1 - COMPLEX*16 array, dimension (max(NN)) */ /* The eigenvalues of A, as computed by a full Schur */ /* decomposition H = Z T Z'. On exit, W1 contains the */ /* eigenvalues of the matrix in A. */ /* Modified. */ /* W3 - COMPLEX*16 array, dimension (max(NN)) */ /* The eigenvalues of A, as computed by a partial Schur */ /* decomposition (Z not computed, T only computed as much */ /* as is necessary for determining eigenvalues). On exit, */ /* W3 contains the eigenvalues of the matrix in A, possibly */ /* perturbed by ZHSEIN. */ /* Modified. */ /* EVECTL - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The conjugate transpose of the (upper triangular) left */ /* eigenvector matrix for the matrix in T1. */ /* Modified. */ /* EVEZTR - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The (upper triangular) right eigenvector matrix for the */ /* matrix in T1. */ /* Modified. */ /* EVECTY - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The conjugate transpose of the left eigenvector matrix */ /* for the matrix in H. */ /* Modified. */ /* EVECTX - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* The right eigenvector matrix for the matrix in H. */ /* Modified. */ /* UU - COMPLEX*16 array, dimension (LDU,max(NN)) */ /* Details of the unitary matrix computed by ZGEHRD. */ /* Modified. */ /* TAU - COMPLEX*16 array, dimension (max(NN)) */ /* Further details of the unitary matrix computed by ZGEHRD. */ /* Modified. */ /* WORK - COMPLEX*16 array, dimension (NWORK) */ /* Workspace. */ /* Modified. */ /* NWORK - INTEGER */ /* The number of entries in WORK. NWORK >= 4*NN(j)*NN(j) + 2. */ /* RWORK - DOUBLE PRECISION array, dimension (max(NN)) */ /* Workspace. Could be equivalenced to IWORK, but not SELECT. */ /* Modified. */ /* IWORK - INTEGER array, dimension (max(NN)) */ /* Workspace. */ /* Modified. */ /* SELECT - LOGICAL array, dimension (max(NN)) */ /* Workspace. Could be equivalenced to IWORK, but not RWORK. */ /* Modified. */ /* RESULT - DOUBLE PRECISION array, dimension (14) */ /* The values computed by the fourteen tests described above. */ /* The values are currently limited to 1/ulp, to avoid */ /* overflow. */ /* Modified. */ /* INFO - INTEGER */ /* If 0, then everything ran OK. */ /* -1: NSIZES < 0 */ /* -2: Some NN(j) < 0 */ /* -3: NTYPES < 0 */ /* -6: THRESH < 0 */ /* -9: LDA < 1 or LDA < NMAX, where NMAX is max( NN(j) ). */ /* -14: LDU < 1 or LDU < NMAX. */ /* -26: NWORK too small. */ /* If ZLATMR, CLATMS, or CLATME returns an error code, the */ /* absolute value of it is returned. */ /* If 1, then ZHSEQR could not find all the shifts. */ /* If 2, then the EISPACK code (for small blocks) failed. */ /* If >2, then 30*N iterations were not enough to find an */ /* eigenvalue or to decompose the problem. */ /* Modified. */ /* ----------------------------------------------------------------------- */ /* Some Local Variables and Parameters: */ /* ---- ----- --------- --- ---------- */ /* ZERO, ONE Real 0 and 1. */ /* MAXTYP The number of types defined. */ /* MTEST The number of tests defined: care must be taken */ /* that (1) the size of RESULT, (2) the number of */ /* tests actually performed, and (3) MTEST agree. */ /* NTEST The number of tests performed on this matrix */ /* so far. This should be less than MTEST, and */ /* equal to it by the last test. It will be less */ /* if any of the routines being tested indicates */ /* that it could not compute the matrices that */ /* would be tested. */ /* NMAX Largest value in NN. */ /* NMATS The number of matrices generated so far. */ /* NERRS The number of tests which have exceeded THRESH */ /* so far (computed by DLAFTS). */ /* COND, CONDS, */ /* IMODE Values to be passed to the matrix generators. */ /* ANORM Norm of A; passed to matrix generators. */ /* OVFL, UNFL Overflow and underflow thresholds. */ /* ULP, ULPINV Finest relative precision and its inverse. */ /* RTOVFL, RTUNFL, */ /* RTULP, RTULPI Square roots of the previous 4 values. */ /* The following four arrays decode JTYPE: */ /* KTYPE(j) The general type (1-10) for type "j". */ /* KMODE(j) The MODE value to be passed to the matrix */ /* generator for type "j". */ /* KMAGN(j) The order of magnitude ( O(1), */ /* O(overflow^(1/2) ), O(underflow^(1/2) ) */ /* KCONDS(j) Selects whether CONDS is to be 1 or */ /* 1/sqrt(ulp). (0 means irrelevant.) */ /* ===================================================================== */ /* .. Parameters .. */ /* .. */ /* .. Local Scalars .. */ /* .. */ /* .. Local Arrays .. */ /* .. */ /* .. External Functions .. */ /* .. */ /* .. External Subroutines .. */ /* .. */ /* .. Intrinsic Functions .. */ /* .. */ /* .. Data statements .. */ /* Parameter adjustments */ --nn; --dotype; --iseed; t2_dim1 = *lda; t2_offset = 1 + t2_dim1; t2 -= t2_offset; t1_dim1 = *lda; t1_offset = 1 + t1_dim1; t1 -= t1_offset; h_dim1 = *lda; h_offset = 1 + h_dim1; h__ -= h_offset; a_dim1 = *lda; a_offset = 1 + a_dim1; a -= a_offset; uu_dim1 = *ldu; uu_offset = 1 + uu_dim1; uu -= uu_offset; evectx_dim1 = *ldu; evectx_offset = 1 + evectx_dim1; evectx -= evectx_offset; evecty_dim1 = *ldu; evecty_offset = 1 + evecty_dim1; evecty -= evecty_offset; evectr_dim1 = *ldu; evectr_offset = 1 + evectr_dim1; evectr -= evectr_offset; evectl_dim1 = *ldu; evectl_offset = 1 + evectl_dim1; evectl -= evectl_offset; uz_dim1 = *ldu; uz_offset = 1 + uz_dim1; uz -= uz_offset; z_dim1 = *ldu; z_offset = 1 + z_dim1; z__ -= z_offset; u_dim1 = *ldu; u_offset = 1 + u_dim1; u -= u_offset; --w1; --w3; --tau; --work; --rwork; --iwork; --select; --result; /* Function Body */ /* .. */ /* .. Executable Statements .. */ /* Check for errors */ ntestt = 0; *info = 0; badnn = FALSE_; nmax = 0; i__1 = *nsizes; for (j = 1; j <= i__1; ++j) { /* Computing MAX */ i__2 = nmax, i__3 = nn[j]; nmax = max(i__2,i__3); if (nn[j] < 0) { badnn = TRUE_; } /* L10: */ } /* Check for errors */ if (*nsizes < 0) { *info = -1; } else if (badnn) { *info = -2; } else if (*ntypes < 0) { *info = -3; } else if (*thresh < 0.) { *info = -6; } else if (*lda <= 1 || *lda < nmax) { *info = -9; } else if (*ldu <= 1 || *ldu < nmax) { *info = -14; } else if ((nmax << 2) * nmax + 2 > *nwork) { *info = -26; } if (*info != 0) { i__1 = -(*info); xerbla_("ZCHKHS", &i__1); return 0; } /* Quick return if possible */ if (*nsizes == 0 || *ntypes == 0) { return 0; } /* More important constants */ unfl = dlamch_("Safe minimum"); ovfl = dlamch_("Overflow"); dlabad_(&unfl, &ovfl); ulp = dlamch_("Epsilon") * dlamch_("Base"); ulpinv = 1. / ulp; rtunfl = sqrt(unfl); rtovfl = sqrt(ovfl); rtulp = sqrt(ulp); rtulpi = 1. / rtulp; /* Loop over sizes, types */ nerrs = 0; nmats = 0; i__1 = *nsizes; for (jsize = 1; jsize <= i__1; ++jsize) { n = nn[jsize]; n1 = max(1,n); aninv = 1. / (doublereal) n1; if (*nsizes != 1) { mtypes = min(21,*ntypes); } else { mtypes = min(22,*ntypes); } i__2 = mtypes; for (jtype = 1; jtype <= i__2; ++jtype) { if (! dotype[jtype]) { goto L250; } ++nmats; ntest = 0; /* Save ISEED in case of an error. */ for (j = 1; j <= 4; ++j) { ioldsd[j - 1] = iseed[j]; /* L20: */ } /* Initialize RESULT */ for (j = 1; j <= 14; ++j) { result[j] = 0.; /* L30: */ } /* Compute "A" */ /* Control parameters: */ /* KMAGN KCONDS KMODE KTYPE */ /* =1 O(1) 1 clustered 1 zero */ /* =2 large large clustered 2 identity */ /* =3 small exponential Jordan */ /* =4 arithmetic diagonal, (w/ eigenvalues) */ /* =5 random log hermitian, w/ eigenvalues */ /* =6 random general, w/ eigenvalues */ /* =7 random diagonal */ /* =8 random hermitian */ /* =9 random general */ /* =10 random triangular */ if (mtypes > 21) { goto L100; } itype = ktype[jtype - 1]; imode = kmode[jtype - 1]; /* Compute norm */ switch (kmagn[jtype - 1]) { case 1: goto L40; case 2: goto L50; case 3: goto L60; } L40: anorm = 1.; goto L70; L50: anorm = rtovfl * ulp * aninv; goto L70; L60: anorm = rtunfl * n * ulpinv; goto L70; L70: zlaset_("Full", lda, &n, &c_b1, &c_b1, &a[a_offset], lda); iinfo = 0; cond = ulpinv; /* Special Matrices */ if (itype == 1) { /* Zero */ iinfo = 0; } else if (itype == 2) { /* Identity */ i__3 = n; for (jcol = 1; jcol <= i__3; ++jcol) { i__4 = jcol + jcol * a_dim1; a[i__4].r = anorm, a[i__4].i = 0.; /* L80: */ } } else if (itype == 3) { /* Jordan Block */ i__3 = n; for (jcol = 1; jcol <= i__3; ++jcol) { i__4 = jcol + jcol * a_dim1; a[i__4].r = anorm, a[i__4].i = 0.; if (jcol > 1) { i__4 = jcol + (jcol - 1) * a_dim1; a[i__4].r = 1., a[i__4].i = 0.; } /* L90: */ } } else if (itype == 4) { /* Diagonal Matrix, [Eigen]values Specified */ zlatmr_(&n, &n, "D", &iseed[1], "N", &work[1], &imode, &cond, &c_b2, "T", "N", &work[n + 1], &c__1, &c_b27, &work[( n << 1) + 1], &c__1, &c_b27, "N", idumma, &c__0, & c__0, &c_b33, &anorm, "NO", &a[a_offset], lda, &iwork[ 1], &iinfo); } else if (itype == 5) { /* Hermitian, eigenvalues specified */ zlatms_(&n, &n, "D", &iseed[1], "H", &rwork[1], &imode, &cond, &anorm, &n, &n, "N", &a[a_offset], lda, &work[1], & iinfo); } else if (itype == 6) { /* General, eigenvalues specified */ if (kconds[jtype - 1] == 1) { conds = 1.; } else if (kconds[jtype - 1] == 2) { conds = rtulpi; } else { conds = 0.; } zlatme_(&n, "D", &iseed[1], &work[1], &imode, &cond, &c_b2, " ", "T", "T", "T", &rwork[1], &c__4, &conds, &n, &n, &anorm, &a[a_offset], lda, &work[n + 1], &iinfo); } else if (itype == 7) { /* Diagonal, random eigenvalues */ zlatmr_(&n, &n, "D", &iseed[1], "N", &work[1], &c__6, &c_b27, &c_b2, "T", "N", &work[n + 1], &c__1, &c_b27, &work[( n << 1) + 1], &c__1, &c_b27, "N", idumma, &c__0, & c__0, &c_b33, &anorm, "NO", &a[a_offset], lda, &iwork[ 1], &iinfo); } else if (itype == 8) { /* Hermitian, random eigenvalues */ zlatmr_(&n, &n, "D", &iseed[1], "H", &work[1], &c__6, &c_b27, &c_b2, "T", "N", &work[n + 1], &c__1, &c_b27, &work[( n << 1) + 1], &c__1, &c_b27, "N", idumma, &n, &n, & c_b33, &anorm, "NO", &a[a_offset], lda, &iwork[1], & iinfo); } else if (itype == 9) { /* General, random eigenvalues */ zlatmr_(&n, &n, "D", &iseed[1], "N", &work[1], &c__6, &c_b27, &c_b2, "T", "N", &work[n + 1], &c__1, &c_b27, &work[( n << 1) + 1], &c__1, &c_b27, "N", idumma, &n, &n, & c_b33, &anorm, "NO", &a[a_offset], lda, &iwork[1], & iinfo); } else if (itype == 10) { /* Triangular, random eigenvalues */ zlatmr_(&n, &n, "D", &iseed[1], "N", &work[1], &c__6, &c_b27, &c_b2, "T", "N", &work[n + 1], &c__1, &c_b27, &work[( n << 1) + 1], &c__1, &c_b27, "N", idumma, &n, &c__0, & c_b33, &anorm, "NO", &a[a_offset], lda, &iwork[1], & iinfo); } else { iinfo = 1; } if (iinfo != 0) { io___35.ciunit = *nounit; s_wsfe(&io___35); do_fio(&c__1, "Generator", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); return 0; } L100: /* Call ZGEHRD to compute H and U, do tests. */ zlacpy_(" ", &n, &n, &a[a_offset], lda, &h__[h_offset], lda); ntest = 1; ilo = 1; ihi = n; i__3 = *nwork - n; zgehrd_(&n, &ilo, &ihi, &h__[h_offset], lda, &work[1], &work[n + 1], &i__3, &iinfo); if (iinfo != 0) { result[1] = ulpinv; io___38.ciunit = *nounit; s_wsfe(&io___38); do_fio(&c__1, "ZGEHRD", (ftnlen)6); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } i__3 = n - 1; for (j = 1; j <= i__3; ++j) { i__4 = j + 1 + j * uu_dim1; uu[i__4].r = 0., uu[i__4].i = 0.; i__4 = n; for (i__ = j + 2; i__ <= i__4; ++i__) { i__5 = i__ + j * u_dim1; i__6 = i__ + j * h_dim1; u[i__5].r = h__[i__6].r, u[i__5].i = h__[i__6].i; i__5 = i__ + j * uu_dim1; i__6 = i__ + j * h_dim1; uu[i__5].r = h__[i__6].r, uu[i__5].i = h__[i__6].i; i__5 = i__ + j * h_dim1; h__[i__5].r = 0., h__[i__5].i = 0.; /* L110: */ } /* L120: */ } i__3 = n - 1; zcopy_(&i__3, &work[1], &c__1, &tau[1], &c__1); i__3 = *nwork - n; zunghr_(&n, &ilo, &ihi, &u[u_offset], ldu, &work[1], &work[n + 1], &i__3, &iinfo); ntest = 2; zhst01_(&n, &ilo, &ihi, &a[a_offset], lda, &h__[h_offset], lda, & u[u_offset], ldu, &work[1], nwork, &rwork[1], &result[1]); /* Call ZHSEQR to compute T1, T2 and Z, do tests. */ /* Eigenvalues only (W3) */ zlacpy_(" ", &n, &n, &h__[h_offset], lda, &t2[t2_offset], lda); ntest = 3; result[3] = ulpinv; zhseqr_("E", "N", &n, &ilo, &ihi, &t2[t2_offset], lda, &w3[1], & uz[uz_offset], ldu, &work[1], nwork, &iinfo); if (iinfo != 0) { io___40.ciunit = *nounit; s_wsfe(&io___40); do_fio(&c__1, "ZHSEQR(E)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); if (iinfo <= n + 2) { *info = abs(iinfo); goto L240; } } /* Eigenvalues (W1) and Full Schur Form (T2) */ zlacpy_(" ", &n, &n, &h__[h_offset], lda, &t2[t2_offset], lda); zhseqr_("S", "N", &n, &ilo, &ihi, &t2[t2_offset], lda, &w1[1], & uz[uz_offset], ldu, &work[1], nwork, &iinfo); if (iinfo != 0 && iinfo <= n + 2) { io___41.ciunit = *nounit; s_wsfe(&io___41); do_fio(&c__1, "ZHSEQR(S)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } /* Eigenvalues (W1), Schur Form (T1), and Schur Vectors (UZ) */ zlacpy_(" ", &n, &n, &h__[h_offset], lda, &t1[t1_offset], lda); zlacpy_(" ", &n, &n, &u[u_offset], ldu, &uz[uz_offset], ldu); zhseqr_("S", "V", &n, &ilo, &ihi, &t1[t1_offset], lda, &w1[1], & uz[uz_offset], ldu, &work[1], nwork, &iinfo); if (iinfo != 0 && iinfo <= n + 2) { io___42.ciunit = *nounit; s_wsfe(&io___42); do_fio(&c__1, "ZHSEQR(V)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } /* Compute Z = U' UZ */ zgemm_("C", "N", &n, &n, &n, &c_b2, &u[u_offset], ldu, &uz[ uz_offset], ldu, &c_b1, &z__[z_offset], ldu); ntest = 8; /* Do Tests 3: | H - Z T Z' | / ( |H| n ulp ) */ /* and 4: | I - Z Z' | / ( n ulp ) */ zhst01_(&n, &ilo, &ihi, &h__[h_offset], lda, &t1[t1_offset], lda, &z__[z_offset], ldu, &work[1], nwork, &rwork[1], &result[ 3]); /* Do Tests 5: | A - UZ T (UZ)' | / ( |A| n ulp ) */ /* and 6: | I - UZ (UZ)' | / ( n ulp ) */ zhst01_(&n, &ilo, &ihi, &a[a_offset], lda, &t1[t1_offset], lda, & uz[uz_offset], ldu, &work[1], nwork, &rwork[1], &result[5] ); /* Do Test 7: | T2 - T1 | / ( |T| n ulp ) */ zget10_(&n, &n, &t2[t2_offset], lda, &t1[t1_offset], lda, &work[1] , &rwork[1], &result[7]); /* Do Test 8: | W3 - W1 | / ( max(|W1|,|W3|) ulp ) */ temp1 = 0.; temp2 = 0.; i__3 = n; for (j = 1; j <= i__3; ++j) { /* Computing MAX */ d__1 = temp1, d__2 = z_abs(&w1[j]), d__1 = max(d__1,d__2), d__2 = z_abs(&w3[j]); temp1 = max(d__1,d__2); /* Computing MAX */ i__4 = j; i__5 = j; z__1.r = w1[i__4].r - w3[i__5].r, z__1.i = w1[i__4].i - w3[ i__5].i; d__1 = temp2, d__2 = z_abs(&z__1); temp2 = max(d__1,d__2); /* L130: */ } /* Computing MAX */ d__1 = unfl, d__2 = ulp * max(temp1,temp2); result[8] = temp2 / max(d__1,d__2); /* Compute the Left and Right Eigenvectors of T */ /* Compute the Right eigenvector Matrix: */ ntest = 9; result[9] = ulpinv; /* Select every other eigenvector */ i__3 = n; for (j = 1; j <= i__3; ++j) { select[j] = FALSE_; /* L140: */ } i__3 = n; for (j = 1; j <= i__3; j += 2) { select[j] = TRUE_; /* L150: */ } ztrevc_("Right", "All", &select[1], &n, &t1[t1_offset], lda, cdumma, ldu, &evectr[evectr_offset], ldu, &n, &in, &work[ 1], &rwork[1], &iinfo); if (iinfo != 0) { io___47.ciunit = *nounit; s_wsfe(&io___47); do_fio(&c__1, "ZTREVC(R,A)", (ftnlen)11); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } /* Test 9: | TR - RW | / ( |T| |R| ulp ) */ zget22_("N", "N", "N", &n, &t1[t1_offset], lda, &evectr[ evectr_offset], ldu, &w1[1], &work[1], &rwork[1], dumma); result[9] = dumma[0]; if (dumma[1] > *thresh) { io___49.ciunit = *nounit; s_wsfe(&io___49); do_fio(&c__1, "Right", (ftnlen)5); do_fio(&c__1, "ZTREVC", (ftnlen)6); do_fio(&c__1, (char *)&dumma[1], (ftnlen)sizeof(doublereal)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); } /* Compute selected right eigenvectors and confirm that */ /* they agree with previous right eigenvectors */ ztrevc_("Right", "Some", &select[1], &n, &t1[t1_offset], lda, cdumma, ldu, &evectl[evectl_offset], ldu, &n, &in, &work[ 1], &rwork[1], &iinfo); if (iinfo != 0) { io___50.ciunit = *nounit; s_wsfe(&io___50); do_fio(&c__1, "ZTREVC(R,S)", (ftnlen)11); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } k = 1; match = TRUE_; i__3 = n; for (j = 1; j <= i__3; ++j) { if (select[j]) { i__4 = n; for (jj = 1; jj <= i__4; ++jj) { i__5 = jj + j * evectr_dim1; i__6 = jj + k * evectl_dim1; if (evectr[i__5].r != evectl[i__6].r || evectr[i__5] .i != evectl[i__6].i) { match = FALSE_; goto L180; } /* L160: */ } ++k; } /* L170: */ } L180: if (! match) { io___54.ciunit = *nounit; s_wsfe(&io___54); do_fio(&c__1, "Right", (ftnlen)5); do_fio(&c__1, "ZTREVC", (ftnlen)6); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); } /* Compute the Left eigenvector Matrix: */ ntest = 10; result[10] = ulpinv; ztrevc_("Left", "All", &select[1], &n, &t1[t1_offset], lda, & evectl[evectl_offset], ldu, cdumma, ldu, &n, &in, &work[1] , &rwork[1], &iinfo); if (iinfo != 0) { io___55.ciunit = *nounit; s_wsfe(&io___55); do_fio(&c__1, "ZTREVC(L,A)", (ftnlen)11); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } /* Test 10: | LT - WL | / ( |T| |L| ulp ) */ zget22_("C", "N", "C", &n, &t1[t1_offset], lda, &evectl[ evectl_offset], ldu, &w1[1], &work[1], &rwork[1], &dumma[ 2]); result[10] = dumma[2]; if (dumma[3] > *thresh) { io___56.ciunit = *nounit; s_wsfe(&io___56); do_fio(&c__1, "Left", (ftnlen)4); do_fio(&c__1, "ZTREVC", (ftnlen)6); do_fio(&c__1, (char *)&dumma[3], (ftnlen)sizeof(doublereal)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); } /* Compute selected left eigenvectors and confirm that */ /* they agree with previous left eigenvectors */ ztrevc_("Left", "Some", &select[1], &n, &t1[t1_offset], lda, & evectr[evectr_offset], ldu, cdumma, ldu, &n, &in, &work[1] , &rwork[1], &iinfo); if (iinfo != 0) { io___57.ciunit = *nounit; s_wsfe(&io___57); do_fio(&c__1, "ZTREVC(L,S)", (ftnlen)11); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); goto L240; } k = 1; match = TRUE_; i__3 = n; for (j = 1; j <= i__3; ++j) { if (select[j]) { i__4 = n; for (jj = 1; jj <= i__4; ++jj) { i__5 = jj + j * evectl_dim1; i__6 = jj + k * evectr_dim1; if (evectl[i__5].r != evectr[i__6].r || evectl[i__5] .i != evectr[i__6].i) { match = FALSE_; goto L210; } /* L190: */ } ++k; } /* L200: */ } L210: if (! match) { io___58.ciunit = *nounit; s_wsfe(&io___58); do_fio(&c__1, "Left", (ftnlen)4); do_fio(&c__1, "ZTREVC", (ftnlen)6); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); } /* Call ZHSEIN for Right eigenvectors of H, do test 11 */ ntest = 11; result[11] = ulpinv; i__3 = n; for (j = 1; j <= i__3; ++j) { select[j] = TRUE_; /* L220: */ } zhsein_("Right", "Qr", "Ninitv", &select[1], &n, &h__[h_offset], lda, &w3[1], cdumma, ldu, &evectx[evectx_offset], ldu, & n1, &in, &work[1], &rwork[1], &iwork[1], &iwork[1], & iinfo); if (iinfo != 0) { io___59.ciunit = *nounit; s_wsfe(&io___59); do_fio(&c__1, "ZHSEIN(R)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); if (iinfo < 0) { goto L240; } } else { /* Test 11: | HX - XW | / ( |H| |X| ulp ) */ /* (from inverse iteration) */ zget22_("N", "N", "N", &n, &h__[h_offset], lda, &evectx[ evectx_offset], ldu, &w3[1], &work[1], &rwork[1], dumma); if (dumma[0] < ulpinv) { result[11] = dumma[0] * aninv; } if (dumma[1] > *thresh) { io___60.ciunit = *nounit; s_wsfe(&io___60); do_fio(&c__1, "Right", (ftnlen)5); do_fio(&c__1, "ZHSEIN", (ftnlen)6); do_fio(&c__1, (char *)&dumma[1], (ftnlen)sizeof( doublereal)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)) ; e_wsfe(); } } /* Call ZHSEIN for Left eigenvectors of H, do test 12 */ ntest = 12; result[12] = ulpinv; i__3 = n; for (j = 1; j <= i__3; ++j) { select[j] = TRUE_; /* L230: */ } zhsein_("Left", "Qr", "Ninitv", &select[1], &n, &h__[h_offset], lda, &w3[1], &evecty[evecty_offset], ldu, cdumma, ldu, & n1, &in, &work[1], &rwork[1], &iwork[1], &iwork[1], & iinfo); if (iinfo != 0) { io___61.ciunit = *nounit; s_wsfe(&io___61); do_fio(&c__1, "ZHSEIN(L)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); if (iinfo < 0) { goto L240; } } else { /* Test 12: | YH - WY | / ( |H| |Y| ulp ) */ /* (from inverse iteration) */ zget22_("C", "N", "C", &n, &h__[h_offset], lda, &evecty[ evecty_offset], ldu, &w3[1], &work[1], &rwork[1], & dumma[2]); if (dumma[2] < ulpinv) { result[12] = dumma[2] * aninv; } if (dumma[3] > *thresh) { io___62.ciunit = *nounit; s_wsfe(&io___62); do_fio(&c__1, "Left", (ftnlen)4); do_fio(&c__1, "ZHSEIN", (ftnlen)6); do_fio(&c__1, (char *)&dumma[3], (ftnlen)sizeof( doublereal)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)) ; e_wsfe(); } } /* Call ZUNMHR for Right eigenvectors of A, do test 13 */ ntest = 13; result[13] = ulpinv; zunmhr_("Left", "No transpose", &n, &n, &ilo, &ihi, &uu[uu_offset] , ldu, &tau[1], &evectx[evectx_offset], ldu, &work[1], nwork, &iinfo); if (iinfo != 0) { io___63.ciunit = *nounit; s_wsfe(&io___63); do_fio(&c__1, "ZUNMHR(L)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); if (iinfo < 0) { goto L240; } } else { /* Test 13: | AX - XW | / ( |A| |X| ulp ) */ /* (from inverse iteration) */ zget22_("N", "N", "N", &n, &a[a_offset], lda, &evectx[ evectx_offset], ldu, &w3[1], &work[1], &rwork[1], dumma); if (dumma[0] < ulpinv) { result[13] = dumma[0] * aninv; } } /* Call ZUNMHR for Left eigenvectors of A, do test 14 */ ntest = 14; result[14] = ulpinv; zunmhr_("Left", "No transpose", &n, &n, &ilo, &ihi, &uu[uu_offset] , ldu, &tau[1], &evecty[evecty_offset], ldu, &work[1], nwork, &iinfo); if (iinfo != 0) { io___64.ciunit = *nounit; s_wsfe(&io___64); do_fio(&c__1, "ZUNMHR(L)", (ftnlen)9); do_fio(&c__1, (char *)&iinfo, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer)); do_fio(&c__1, (char *)&jtype, (ftnlen)sizeof(integer)); do_fio(&c__4, (char *)&ioldsd[0], (ftnlen)sizeof(integer)); e_wsfe(); *info = abs(iinfo); if (iinfo < 0) { goto L240; } } else { /* Test 14: | YA - WY | / ( |A| |Y| ulp ) */ /* (from inverse iteration) */ zget22_("C", "N", "C", &n, &a[a_offset], lda, &evecty[ evecty_offset], ldu, &w3[1], &work[1], &rwork[1], & dumma[2]); if (dumma[2] < ulpinv) { result[14] = dumma[2] * aninv; } } /* End of Loop -- Check for RESULT(j) > THRESH */ L240: ntestt += ntest; dlafts_("ZHS", &n, &n, &jtype, &ntest, &result[1], ioldsd, thresh, nounit, &nerrs); L250: ; } /* L260: */ } /* Summary */ dlasum_("ZHS", nounit, &nerrs, &ntestt); return 0; /* End of ZCHKHS */ } /* zchkhs_ */