OpenBLAS/lapack-netlib/TESTING/MATGEN/slatmr.c

#include <math.h>
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <complex.h>
#ifdef complex
#undef complex
#endif
#ifdef I
#undef I
#endif

#if defined(_WIN64)
typedef long long BLASLONG;
typedef unsigned long long BLASULONG;
#else
typedef long BLASLONG;
typedef unsigned long BLASULONG;
#endif

#ifdef LAPACK_ILP64
typedef BLASLONG blasint;
#if defined(_WIN64)
#define blasabs(x) llabs(x)
#else
#define blasabs(x) labs(x)
#endif
#else
typedef int blasint;
#define blasabs(x) abs(x)
#endif

typedef blasint integer;

typedef unsigned int uinteger;
typedef char *address;
typedef short int shortint;
typedef float real;
typedef double doublereal;
typedef struct { real r, i; } complex;
typedef struct { doublereal r, i; } doublecomplex;
#ifdef _MSC_VER
static inline _Fcomplex Cf(complex *z) {_Fcomplex zz={z->r , z->i}; return zz;}
static inline _Dcomplex Cd(doublecomplex *z) {_Dcomplex zz={z->r , z->i};return zz;}
static inline _Fcomplex * _pCf(complex *z) {return (_Fcomplex*)z;}
static inline _Dcomplex * _pCd(doublecomplex *z) {return (_Dcomplex*)z;}
#else
static inline _Complex float Cf(complex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex double Cd(doublecomplex *z) {return z->r + z->i*_Complex_I;}
static inline _Complex float * _pCf(complex *z) {return (_Complex float*)z;}
static inline _Complex double * _pCd(doublecomplex *z) {return (_Complex double*)z;}
#endif
#define pCf(z) (*_pCf(z))
#define pCd(z) (*_pCd(z))
typedef int logical;
typedef short int shortlogical;
typedef char logical1;
typedef char integer1;

#define TRUE_ (1)
#define FALSE_ (0)

/* Extern is for use with -E */
#ifndef Extern
#define Extern extern
#endif

/* I/O stuff */

typedef int flag;
typedef int ftnlen;
typedef int ftnint;

/*external read, write*/
typedef struct
{	flag cierr;
	ftnint ciunit;
	flag ciend;
	char *cifmt;
	ftnint cirec;
} cilist;

/*internal read, write*/
typedef struct
{	flag icierr;
	char *iciunit;
	flag iciend;
	char *icifmt;
	ftnint icirlen;
	ftnint icirnum;
} icilist;

/*open*/
typedef struct
{	flag oerr;
	ftnint ounit;
	char *ofnm;
	ftnlen ofnmlen;
	char *osta;
	char *oacc;
	char *ofm;
	ftnint orl;
	char *oblnk;
} olist;

/*close*/
typedef struct
{	flag cerr;
	ftnint cunit;
	char *csta;
} cllist;

/*rewind, backspace, endfile*/
typedef struct
{	flag aerr;
	ftnint aunit;
} alist;

/* inquire */
typedef struct
{	flag inerr;
	ftnint inunit;
	char *infile;
	ftnlen infilen;
	ftnint	*inex;	/*parameters in standard's order*/
	ftnint	*inopen;
	ftnint	*innum;
	ftnint	*innamed;
	char	*inname;
	ftnlen	innamlen;
	char	*inacc;
	ftnlen	inacclen;
	char	*inseq;
	ftnlen	inseqlen;
	char 	*indir;
	ftnlen	indirlen;
	char	*infmt;
	ftnlen	infmtlen;
	char	*inform;
	ftnint	informlen;
	char	*inunf;
	ftnlen	inunflen;
	ftnint	*inrecl;
	ftnint	*innrec;
	char	*inblank;
	ftnlen	inblanklen;
} inlist;

#define VOID void

union Multitype {	/* for multiple entry points */
	integer1 g;
	shortint h;
	integer i;
	/* longint j; */
	real r;
	doublereal d;
	complex c;
	doublecomplex z;
	};

typedef union Multitype Multitype;

struct Vardesc {	/* for Namelist */
	char *name;
	char *addr;
	ftnlen *dims;
	int  type;
	};
typedef struct Vardesc Vardesc;

struct Namelist {
	char *name;
	Vardesc **vars;
	int nvars;
	};
typedef struct Namelist Namelist;

#define abs(x) ((x) >= 0 ? (x) : -(x))
#define dabs(x) (fabs(x))
#define f2cmin(a,b) ((a) <= (b) ? (a) : (b))
#define f2cmax(a,b) ((a) >= (b) ? (a) : (b))
#define dmin(a,b) (f2cmin(a,b))
#define dmax(a,b) (f2cmax(a,b))
#define bit_test(a,b)	((a) >> (b) & 1)
#define bit_clear(a,b)	((a) & ~((uinteger)1 << (b)))
#define bit_set(a,b)	((a) |  ((uinteger)1 << (b)))

#define abort_() { sig_die("Fortran abort routine called", 1); }
#define c_abs(z) (cabsf(Cf(z)))
#define c_cos(R,Z) { pCf(R)=ccos(Cf(Z)); }
#ifdef _MSC_VER
#define c_div(c, a, b) {Cf(c)._Val[0] = (Cf(a)._Val[0]/Cf(b)._Val[0]); Cf(c)._Val[1]=(Cf(a)._Val[1]/Cf(b)._Val[1]);}
#define z_div(c, a, b) {Cd(c)._Val[0] = (Cd(a)._Val[0]/Cd(b)._Val[0]); Cd(c)._Val[1]=(Cd(a)._Val[1]/df(b)._Val[1]);}
#else
#define c_div(c, a, b) {pCf(c) = Cf(a)/Cf(b);}
#define z_div(c, a, b) {pCd(c) = Cd(a)/Cd(b);}
#endif
#define c_exp(R, Z) {pCf(R) = cexpf(Cf(Z));}
#define c_log(R, Z) {pCf(R) = clogf(Cf(Z));}
#define c_sin(R, Z) {pCf(R) = csinf(Cf(Z));}
//#define c_sqrt(R, Z) {*(R) = csqrtf(Cf(Z));}
#define c_sqrt(R, Z) {pCf(R) = csqrtf(Cf(Z));}
#define d_abs(x) (fabs(*(x)))
#define d_acos(x) (acos(*(x)))
#define d_asin(x) (asin(*(x)))
#define d_atan(x) (atan(*(x)))
#define d_atn2(x, y) (atan2(*(x),*(y)))
#define d_cnjg(R, Z) { pCd(R) = conj(Cd(Z)); }
#define r_cnjg(R, Z) { pCf(R) = conjf(Cf(Z)); }
#define d_cos(x) (cos(*(x)))
#define d_cosh(x) (cosh(*(x)))
#define d_dim(__a, __b) ( *(__a) > *(__b) ? *(__a) - *(__b) : 0.0 )
#define d_exp(x) (exp(*(x)))
#define d_imag(z) (cimag(Cd(z)))
#define r_imag(z) (cimagf(Cf(z)))
#define d_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define r_int(__x) (*(__x)>0 ? floor(*(__x)) : -floor(- *(__x)))
#define d_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define r_lg10(x) ( 0.43429448190325182765 * log(*(x)) )
#define d_log(x) (log(*(x)))
#define d_mod(x, y) (fmod(*(x), *(y)))
#define u_nint(__x) ((__x)>=0 ? floor((__x) + .5) : -floor(.5 - (__x)))
#define d_nint(x) u_nint(*(x))
#define u_sign(__a,__b) ((__b) >= 0 ? ((__a) >= 0 ? (__a) : -(__a)) : -((__a) >= 0 ? (__a) : -(__a)))
#define d_sign(a,b) u_sign(*(a),*(b))
#define r_sign(a,b) u_sign(*(a),*(b))
#define d_sin(x) (sin(*(x)))
#define d_sinh(x) (sinh(*(x)))
#define d_sqrt(x) (sqrt(*(x)))
#define d_tan(x) (tan(*(x)))
#define d_tanh(x) (tanh(*(x)))
#define i_abs(x) abs(*(x))
#define i_dnnt(x) ((integer)u_nint(*(x)))
#define i_len(s, n) (n)
#define i_nint(x) ((integer)u_nint(*(x)))
#define i_sign(a,b) ((integer)u_sign((integer)*(a),(integer)*(b)))
#define pow_dd(ap, bp) ( pow(*(ap), *(bp)))
#define pow_si(B,E) spow_ui(*(B),*(E))
#define pow_ri(B,E) spow_ui(*(B),*(E))
#define pow_di(B,E) dpow_ui(*(B),*(E))
#define pow_zi(p, a, b) {pCd(p) = zpow_ui(Cd(a), *(b));}
#define pow_ci(p, a, b) {pCf(p) = cpow_ui(Cf(a), *(b));}
#define pow_zz(R,A,B) {pCd(R) = cpow(Cd(A),*(B));}
#define s_cat(lpp, rpp, rnp, np, llp) { 	ftnlen i, nc, ll; char *f__rp, *lp; 	ll = (llp); lp = (lpp); 	for(i=0; i < (int)*(np); ++i) {         	nc = ll; 	        if((rnp)[i] < nc) nc = (rnp)[i]; 	        ll -= nc;         	f__rp = (rpp)[i]; 	        while(--nc >= 0) *lp++ = *(f__rp)++;         } 	while(--ll >= 0) *lp++ = ' '; }
#define s_cmp(a,b,c,d) ((integer)strncmp((a),(b),f2cmin((c),(d))))
#define s_copy(A,B,C,D) { int __i,__m; for (__i=0, __m=f2cmin((C),(D)); __i<__m && (B)[__i] != 0; ++__i) (A)[__i] = (B)[__i]; }
#define sig_die(s, kill) { exit(1); }
#define s_stop(s, n) {exit(0);}
#define z_abs(z) (cabs(Cd(z)))
#define z_exp(R, Z) {pCd(R) = cexp(Cd(Z));}
#define z_sqrt(R, Z) {pCd(R) = csqrt(Cd(Z));}
#define myexit_() break;
#define mycycle() continue;
#define myceiling(w) {ceil(w)}
#define myhuge(w) {HUGE_VAL}
//#define mymaxloc_(w,s,e,n) {if (sizeof(*(w)) == sizeof(double)) dmaxloc_((w),*(s),*(e),n); else dmaxloc_((w),*(s),*(e),n);}
#define mymaxloc(w,s,e,n) {dmaxloc_(w,*(s),*(e),n)}

/* procedure parameter types for -A and -C++ */

#define F2C_proc_par_types 1


/* Table of constant values */

static integer c__0 = 0;
static integer c__1 = 1;

/* > \brief \b SLATMR */

/*  =========== DOCUMENTATION =========== */

/* Online html documentation available at */
/*            http://www.netlib.org/lapack/explore-html/ */

/*  Definition: */
/*  =========== */

/*       SUBROUTINE SLATMR( M, N, DIST, ISEED, SYM, D, MODE, COND, DMAX, */
/*                          RSIGN, GRADE, DL, MODEL, CONDL, DR, MODER, */
/*                          CONDR, PIVTNG, IPIVOT, KL, KU, SPARSE, ANORM, */
/*                          PACK, A, LDA, IWORK, INFO ) */

/*       CHARACTER          DIST, GRADE, PACK, PIVTNG, RSIGN, SYM */
/*       INTEGER            INFO, KL, KU, LDA, M, MODE, MODEL, MODER, N */
/*       REAL               ANORM, COND, CONDL, CONDR, DMAX, SPARSE */
/*       INTEGER            IPIVOT( * ), ISEED( 4 ), IWORK( * ) */
/*       REAL               A( LDA, * ), D( * ), DL( * ), DR( * ) */


/* > \par Purpose: */
/*  ============= */
/* > */
/* > \verbatim */
/* > */
/* >    SLATMR generates random matrices of various types for testing */
/* >    LAPACK programs. */
/* > */
/* >    SLATMR operates by applying the following sequence of */
/* >    operations: */
/* > */
/* >      Generate a matrix A with random entries of distribution DIST */
/* >         which is symmetric if SYM='S', and nonsymmetric */
/* >         if SYM='N'. */
/* > */
/* >      Set the diagonal to D, where D may be input or */
/* >         computed according to MODE, COND, DMAX and RSIGN */
/* >         as described below. */
/* > */
/* >      Grade the matrix, if desired, from the left and/or right */
/* >         as specified by GRADE. The inputs DL, MODEL, CONDL, DR, */
/* >         MODER and CONDR also determine the grading as described */
/* >         below. */
/* > */
/* >      Permute, if desired, the rows and/or columns as specified by */
/* >         PIVTNG and IPIVOT. */
/* > */
/* >      Set random entries to zero, if desired, to get a random sparse */
/* >         matrix as specified by SPARSE. */
/* > */
/* >      Make A a band matrix, if desired, by zeroing out the matrix */
/* >         outside a band of lower bandwidth KL and upper bandwidth KU. */
/* > */
/* >      Scale A, if desired, to have maximum entry ANORM. */
/* > */
/* >      Pack the matrix if desired. Options specified by PACK are: */
/* >         no packing */
/* >         zero out upper half (if symmetric) */
/* >         zero out lower half (if symmetric) */
/* >         store the upper half columnwise (if symmetric or */
/* >             square upper triangular) */
/* >         store the lower half columnwise (if symmetric or */
/* >             square lower triangular) */
/* >             same as upper half rowwise if symmetric */
/* >         store the lower triangle in banded format (if symmetric) */
/* >         store the upper triangle in banded format (if symmetric) */
/* >         store the entire matrix in banded format */
/* > */
/* >    Note: If two calls to SLATMR differ only in the PACK parameter, */
/* >          they will generate mathematically equivalent matrices. */
/* > */
/* >          If two calls to SLATMR both have full bandwidth (KL = M-1 */
/* >          and KU = N-1), and differ only in the PIVTNG and PACK */
/* >          parameters, then the matrices generated will differ only */
/* >          in the order of the rows and/or columns, and otherwise */
/* >          contain the same data. This consistency cannot be and */
/* >          is not maintained with less than full bandwidth. */
/* > \endverbatim */

/*  Arguments: */
/*  ========== */

/* > \param[in] M */
/* > \verbatim */
/* >          M is INTEGER */
/* >           Number of rows of A. Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] N */
/* > \verbatim */
/* >          N is INTEGER */
/* >           Number of columns of A. Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] DIST */
/* > \verbatim */
/* >          DIST is CHARACTER*1 */
/* >           On entry, DIST specifies the type of distribution to be used */
/* >           to generate a random matrix . */
/* >           'U' => UNIFORM( 0, 1 )  ( 'U' for uniform ) */
/* >           'S' => UNIFORM( -1, 1 ) ( 'S' for symmetric ) */
/* >           'N' => NORMAL( 0, 1 )   ( 'N' for normal ) */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in,out] ISEED */
/* > \verbatim */
/* >          ISEED is INTEGER array, dimension (4) */
/* >           On entry ISEED specifies the seed of the random number */
/* >           generator. They should lie between 0 and 4095 inclusive, */
/* >           and ISEED(4) should 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 SLATMR */
/* >           to continue the same random number sequence. */
/* >           Changed on exit. */
/* > \endverbatim */
/* > */
/* > \param[in] SYM */
/* > \verbatim */
/* >          SYM is CHARACTER*1 */
/* >           If SYM='S' or 'H', generated matrix is symmetric. */
/* >           If SYM='N', generated matrix is nonsymmetric. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] D */
/* > \verbatim */
/* >          D is REAL array, dimension (f2cmin(M,N)) */
/* >           On entry this array specifies the diagonal entries */
/* >           of the diagonal of A.  D may either be specified */
/* >           on entry, or set according to MODE and COND as described */
/* >           below. May be changed on exit if MODE is nonzero. */
/* > \endverbatim */
/* > */
/* > \param[in] MODE */
/* > \verbatim */
/* >          MODE is INTEGER */
/* >           On entry describes how D is to be used: */
/* >           MODE = 0 means use D as input */
/* >           MODE = 1 sets D(1)=1 and D(2:N)=1.0/COND */
/* >           MODE = 2 sets D(1:N-1)=1 and D(N)=1.0/COND */
/* >           MODE = 3 sets D(I)=COND**(-(I-1)/(N-1)) */
/* >           MODE = 4 sets D(i)=1 - (i-1)/(N-1)*(1 - 1/COND) */
/* >           MODE = 5 sets D to random numbers in the range */
/* >                    ( 1/COND , 1 ) such that their logarithms */
/* >                    are uniformly distributed. */
/* >           MODE = 6 set D to random numbers from same distribution */
/* >                    as the rest of the matrix. */
/* >           MODE < 0 has the same meaning as ABS(MODE), except that */
/* >              the order of the elements of D is reversed. */
/* >           Thus if MODE is positive, D has entries ranging from */
/* >              1 to 1/COND, if negative, from 1/COND to 1, */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] COND */
/* > \verbatim */
/* >          COND is REAL */
/* >           On entry, used as described under MODE above. */
/* >           If used, it must be >= 1. Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] DMAX */
/* > \verbatim */
/* >          DMAX is REAL */
/* >           If MODE neither -6, 0 nor 6, the diagonal is scaled by */
/* >           DMAX / f2cmax(abs(D(i))), so that maximum absolute entry */
/* >           of diagonal is abs(DMAX). If DMAX is negative (or zero), */
/* >           diagonal will be scaled by a negative number (or zero). */
/* > \endverbatim */
/* > */
/* > \param[in] RSIGN */
/* > \verbatim */
/* >          RSIGN is CHARACTER*1 */
/* >           If MODE neither -6, 0 nor 6, specifies sign of diagonal */
/* >           as follows: */
/* >           'T' => diagonal entries are multiplied by 1 or -1 */
/* >                  with probability .5 */
/* >           'F' => diagonal unchanged */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] GRADE */
/* > \verbatim */
/* >          GRADE is CHARACTER*1 */
/* >           Specifies grading of matrix as follows: */
/* >           'N'  => no grading */
/* >           'L'  => matrix premultiplied by diag( DL ) */
/* >                   (only if matrix nonsymmetric) */
/* >           'R'  => matrix postmultiplied by diag( DR ) */
/* >                   (only if matrix nonsymmetric) */
/* >           'B'  => matrix premultiplied by diag( DL ) and */
/* >                         postmultiplied by diag( DR ) */
/* >                   (only if matrix nonsymmetric) */
/* >           'S' or 'H'  => matrix premultiplied by diag( DL ) and */
/* >                          postmultiplied by diag( DL ) */
/* >                          ('S' for symmetric, or 'H' for Hermitian) */
/* >           'E'  => matrix premultiplied by diag( DL ) and */
/* >                         postmultiplied by inv( diag( DL ) ) */
/* >                         ( 'E' for eigenvalue invariance) */
/* >                   (only if matrix nonsymmetric) */
/* >                   Note: if GRADE='E', then M must equal N. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in,out] DL */
/* > \verbatim */
/* >          DL is REAL array, dimension (M) */
/* >           If MODEL=0, then on entry this array specifies the diagonal */
/* >           entries of a diagonal matrix used as described under GRADE */
/* >           above. If MODEL is not zero, then DL will be set according */
/* >           to MODEL and CONDL, analogous to the way D is set according */
/* >           to MODE and COND (except there is no DMAX parameter for DL). */
/* >           If GRADE='E', then DL cannot have zero entries. */
/* >           Not referenced if GRADE = 'N' or 'R'. Changed on exit. */
/* > \endverbatim */
/* > */
/* > \param[in] MODEL */
/* > \verbatim */
/* >          MODEL is INTEGER */
/* >           This specifies how the diagonal array DL is to be computed, */
/* >           just as MODE specifies how D is to be computed. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] CONDL */
/* > \verbatim */
/* >          CONDL is REAL */
/* >           When MODEL is not zero, this specifies the condition number */
/* >           of the computed DL.  Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in,out] DR */
/* > \verbatim */
/* >          DR is REAL array, dimension (N) */
/* >           If MODER=0, then on entry this array specifies the diagonal */
/* >           entries of a diagonal matrix used as described under GRADE */
/* >           above. If MODER is not zero, then DR will be set according */
/* >           to MODER and CONDR, analogous to the way D is set according */
/* >           to MODE and COND (except there is no DMAX parameter for DR). */
/* >           Not referenced if GRADE = 'N', 'L', 'H', 'S' or 'E'. */
/* >           Changed on exit. */
/* > \endverbatim */
/* > */
/* > \param[in] MODER */
/* > \verbatim */
/* >          MODER is INTEGER */
/* >           This specifies how the diagonal array DR is to be computed, */
/* >           just as MODE specifies how D is to be computed. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] CONDR */
/* > \verbatim */
/* >          CONDR is REAL */
/* >           When MODER is not zero, this specifies the condition number */
/* >           of the computed DR.  Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] PIVTNG */
/* > \verbatim */
/* >          PIVTNG is CHARACTER*1 */
/* >           On entry specifies pivoting permutations as follows: */
/* >           'N' or ' ' => none. */
/* >           'L' => left or row pivoting (matrix must be nonsymmetric). */
/* >           'R' => right or column pivoting (matrix must be */
/* >                  nonsymmetric). */
/* >           'B' or 'F' => both or full pivoting, i.e., on both sides. */
/* >                         In this case, M must equal N */
/* > */
/* >           If two calls to SLATMR both have full bandwidth (KL = M-1 */
/* >           and KU = N-1), and differ only in the PIVTNG and PACK */
/* >           parameters, then the matrices generated will differ only */
/* >           in the order of the rows and/or columns, and otherwise */
/* >           contain the same data. This consistency cannot be */
/* >           maintained with less than full bandwidth. */
/* > \endverbatim */
/* > */
/* > \param[in] IPIVOT */
/* > \verbatim */
/* >          IPIVOT is INTEGER array, dimension (N or M) */
/* >           This array specifies the permutation used.  After the */
/* >           basic matrix is generated, the rows, columns, or both */
/* >           are permuted.   If, say, row pivoting is selected, SLATMR */
/* >           starts with the *last* row and interchanges the M-th and */
/* >           IPIVOT(M)-th rows, then moves to the next-to-last row, */
/* >           interchanging the (M-1)-th and the IPIVOT(M-1)-th rows, */
/* >           and so on.  In terms of "2-cycles", the permutation is */
/* >           (1 IPIVOT(1)) (2 IPIVOT(2)) ... (M IPIVOT(M)) */
/* >           where the rightmost cycle is applied first.  This is the */
/* >           *inverse* of the effect of pivoting in LINPACK.  The idea */
/* >           is that factoring (with pivoting) an identity matrix */
/* >           which has been inverse-pivoted in this way should */
/* >           result in a pivot vector identical to IPIVOT. */
/* >           Not referenced if PIVTNG = 'N'. Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] KL */
/* > \verbatim */
/* >          KL is INTEGER */
/* >           On entry specifies the lower bandwidth of the  matrix. For */
/* >           example, KL=0 implies upper triangular, KL=1 implies upper */
/* >           Hessenberg, and KL at least M-1 implies the matrix is not */
/* >           banded. Must equal KU if matrix is symmetric. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] KU */
/* > \verbatim */
/* >          KU is INTEGER */
/* >           On entry specifies the upper bandwidth of the  matrix. For */
/* >           example, KU=0 implies lower triangular, KU=1 implies lower */
/* >           Hessenberg, and KU at least N-1 implies the matrix is not */
/* >           banded. Must equal KL if matrix is symmetric. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] SPARSE */
/* > \verbatim */
/* >          SPARSE is REAL */
/* >           On entry specifies the sparsity of the matrix if a sparse */
/* >           matrix is to be generated. SPARSE should lie between */
/* >           0 and 1. To generate a sparse matrix, for each matrix entry */
/* >           a uniform ( 0, 1 ) random number x is generated and */
/* >           compared to SPARSE; if x is larger the matrix entry */
/* >           is unchanged and if x is smaller the entry is set */
/* >           to zero. Thus on the average a fraction SPARSE of the */
/* >           entries will be set to zero. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] ANORM */
/* > \verbatim */
/* >          ANORM is REAL */
/* >           On entry specifies maximum entry of output matrix */
/* >           (output matrix will by multiplied by a constant so that */
/* >           its largest absolute entry equal ANORM) */
/* >           if ANORM is nonnegative. If ANORM is negative no scaling */
/* >           is done. Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in] PACK */
/* > \verbatim */
/* >          PACK is CHARACTER*1 */
/* >           On entry specifies packing of matrix as follows: */
/* >           'N' => no packing */
/* >           'U' => zero out all subdiagonal entries (if symmetric) */
/* >           'L' => zero out all superdiagonal entries (if symmetric) */
/* >           'C' => store the upper triangle columnwise */
/* >                  (only if matrix symmetric or square upper triangular) */
/* >           'R' => store the lower triangle columnwise */
/* >                  (only if matrix symmetric or square lower triangular) */
/* >                  (same as upper half rowwise if symmetric) */
/* >           'B' => store the lower triangle in band storage scheme */
/* >                  (only if matrix symmetric) */
/* >           'Q' => store the upper triangle in band storage scheme */
/* >                  (only if matrix symmetric) */
/* >           'Z' => store the entire matrix in band storage scheme */
/* >                      (pivoting can be provided for by using this */
/* >                      option to store A in the trailing rows of */
/* >                      the allocated storage) */
/* > */
/* >           Using these options, the various LAPACK packed and banded */
/* >           storage schemes can be obtained: */
/* >           GB               - use 'Z' */
/* >           PB, SB or TB     - use 'B' or 'Q' */
/* >           PP, SP or TP     - use 'C' or 'R' */
/* > */
/* >           If two calls to SLATMR differ only in the PACK parameter, */
/* >           they will generate mathematically equivalent matrices. */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[in,out] A */
/* > \verbatim */
/* >          A is REAL array, dimension (LDA,N) */
/* >           On exit A is the desired test matrix. Only those */
/* >           entries of A which are significant on output */
/* >           will be referenced (even if A is in packed or band */
/* >           storage format). The 'unoccupied corners' of A in */
/* >           band format will be zeroed out. */
/* > \endverbatim */
/* > */
/* > \param[in] LDA */
/* > \verbatim */
/* >          LDA is INTEGER */
/* >           on entry LDA specifies the first dimension of A as */
/* >           declared in the calling program. */
/* >           If PACK='N', 'U' or 'L', LDA must be at least f2cmax ( 1, M ). */
/* >           If PACK='C' or 'R', LDA must be at least 1. */
/* >           If PACK='B', or 'Q', LDA must be MIN ( KU+1, N ) */
/* >           If PACK='Z', LDA must be at least KUU+KLL+1, where */
/* >           KUU = MIN ( KU, N-1 ) and KLL = MIN ( KL, M-1 ) */
/* >           Not modified. */
/* > \endverbatim */
/* > */
/* > \param[out] IWORK */
/* > \verbatim */
/* >          IWORK is INTEGER array, dimension ( N or M) */
/* >           Workspace. Not referenced if PIVTNG = 'N'. Changed on exit. */
/* > \endverbatim */
/* > */
/* > \param[out] INFO */
/* > \verbatim */
/* >          INFO is INTEGER */
/* >           Error parameter on exit: */
/* >             0 => normal return */
/* >            -1 => M negative or unequal to N and SYM='S' or 'H' */
/* >            -2 => N negative */
/* >            -3 => DIST illegal string */
/* >            -5 => SYM illegal string */
/* >            -7 => MODE not in range -6 to 6 */
/* >            -8 => COND less than 1.0, and MODE neither -6, 0 nor 6 */
/* >           -10 => MODE neither -6, 0 nor 6 and RSIGN illegal string */
/* >           -11 => GRADE illegal string, or GRADE='E' and */
/* >                  M not equal to N, or GRADE='L', 'R', 'B' or 'E' and */
/* >                  SYM = 'S' or 'H' */
/* >           -12 => GRADE = 'E' and DL contains zero */
/* >           -13 => MODEL not in range -6 to 6 and GRADE= 'L', 'B', 'H', */
/* >                  'S' or 'E' */
/* >           -14 => CONDL less than 1.0, GRADE='L', 'B', 'H', 'S' or 'E', */
/* >                  and MODEL neither -6, 0 nor 6 */
/* >           -16 => MODER not in range -6 to 6 and GRADE= 'R' or 'B' */
/* >           -17 => CONDR less than 1.0, GRADE='R' or 'B', and */
/* >                  MODER neither -6, 0 nor 6 */
/* >           -18 => PIVTNG illegal string, or PIVTNG='B' or 'F' and */
/* >                  M not equal to N, or PIVTNG='L' or 'R' and SYM='S' */
/* >                  or 'H' */
/* >           -19 => IPIVOT contains out of range number and */
/* >                  PIVTNG not equal to 'N' */
/* >           -20 => KL negative */
/* >           -21 => KU negative, or SYM='S' or 'H' and KU not equal to KL */
/* >           -22 => SPARSE not in range 0. to 1. */
/* >           -24 => PACK illegal string, or PACK='U', 'L', 'B' or 'Q' */
/* >                  and SYM='N', or PACK='C' and SYM='N' and either KL */
/* >                  not equal to 0 or N not equal to M, or PACK='R' and */
/* >                  SYM='N', and either KU not equal to 0 or N not equal */
/* >                  to M */
/* >           -26 => LDA too small */
/* >             1 => Error return from SLATM1 (computing D) */
/* >             2 => Cannot scale diagonal to DMAX (f2cmax. entry is 0) */
/* >             3 => Error return from SLATM1 (computing DL) */
/* >             4 => Error return from SLATM1 (computing DR) */
/* >             5 => ANORM is positive, but matrix constructed prior to */
/* >                  attempting to scale it to have norm ANORM, is zero */
/* > \endverbatim */

/*  Authors: */
/*  ======== */

/* > \author Univ. of Tennessee */
/* > \author Univ. of California Berkeley */
/* > \author Univ. of Colorado Denver */
/* > \author NAG Ltd. */

/* > \date December 2016 */

/* > \ingroup real_matgen */

/*  ===================================================================== */
/* Subroutine */ void slatmr_(integer *m, integer *n, char *dist, integer *
	iseed, char *sym, real *d__, integer *mode, real *cond, real *dmax__, 
	char *rsign, char *grade, real *dl, integer *model, real *condl, real 
	*dr, integer *moder, real *condr, char *pivtng, integer *ipivot, 
	integer *kl, integer *ku, real *sparse, real *anorm, char *pack, real 
	*a, integer *lda, integer *iwork, integer *info)
{
    /* System generated locals */
    integer a_dim1, a_offset, i__1, i__2;
    real r__1, r__2, r__3;

    /* Local variables */
    integer isub, jsub;
    real temp;
    integer isym, i__, j, k;
    real alpha;
    integer ipack;
    extern logical lsame_(char *, char *);
    real tempa[1];
    extern /* Subroutine */ void sscal_(integer *, real *, real *, integer *);
    integer iisub, idist, jjsub, mnmin;
    logical dzero;
    integer mnsub;
    real onorm;
    integer mxsub, npvts;
    extern /* Subroutine */ void slatm1_(integer *, real *, integer *, integer 
	    *, integer *, real *, integer *, integer *);
    extern real slatm2_(integer *, integer *, integer *, integer *, integer *,
	     integer *, integer *, integer *, real *, integer *, real *, real 
	    *, integer *, integer *, real *), slatm3_(integer *, integer *, 
	    integer *, integer *, integer *, integer *, integer *, integer *, 
	    integer *, integer *, real *, integer *, real *, real *, integer *
	    , integer *, real *);
    integer igrade;
    extern real slangb_(char *, integer *, integer *, integer *, real *, 
	    integer *, real *), slange_(char *, integer *, integer *, 
	    real *, integer *, real *);
    logical fulbnd;
    extern /* Subroutine */ int xerbla_(char *, integer *, ftnlen);
    logical badpvt;
    extern real slansb_(char *, char *, integer *, integer *, real *, integer 
	    *, real *);
    integer irsign;
    extern real slansp_(char *, char *, integer *, real *, real *);
    integer ipvtng;
    extern real slansy_(char *, char *, integer *, real *, integer *, real *);
    integer kll, kuu;


/*  -- LAPACK computational routine (version 3.7.0) -- */
/*  -- LAPACK is a software package provided by Univ. of Tennessee,    -- */
/*  -- Univ. of California Berkeley, Univ. of Colorado Denver and NAG Ltd..-- */
/*     December 2016 */


/*  ===================================================================== */


/*     1)      Decode and Test the input parameters. */
/*             Initialize flags & seed. */

    /* Parameter adjustments */
    --iseed;
    --d__;
    --dl;
    --dr;
    --ipivot;
    a_dim1 = *lda;
    a_offset = 1 + a_dim1 * 1;
    a -= a_offset;
    --iwork;

    /* Function Body */
    *info = 0;

/*     Quick return if possible */

    if (*m == 0 || *n == 0) {
	return;
    }

/*     Decode DIST */

    if (lsame_(dist, "U")) {
	idist = 1;
    } else if (lsame_(dist, "S")) {
	idist = 2;
    } else if (lsame_(dist, "N")) {
	idist = 3;
    } else {
	idist = -1;
    }

/*     Decode SYM */

    if (lsame_(sym, "S")) {
	isym = 0;
    } else if (lsame_(sym, "N")) {
	isym = 1;
    } else if (lsame_(sym, "H")) {
	isym = 0;
    } else {
	isym = -1;
    }

/*     Decode RSIGN */

    if (lsame_(rsign, "F")) {
	irsign = 0;
    } else if (lsame_(rsign, "T")) {
	irsign = 1;
    } else {
	irsign = -1;
    }

/*     Decode PIVTNG */

    if (lsame_(pivtng, "N")) {
	ipvtng = 0;
    } else if (lsame_(pivtng, " ")) {
	ipvtng = 0;
    } else if (lsame_(pivtng, "L")) {
	ipvtng = 1;
	npvts = *m;
    } else if (lsame_(pivtng, "R")) {
	ipvtng = 2;
	npvts = *n;
    } else if (lsame_(pivtng, "B")) {
	ipvtng = 3;
	npvts = f2cmin(*n,*m);
    } else if (lsame_(pivtng, "F")) {
	ipvtng = 3;
	npvts = f2cmin(*n,*m);
    } else {
	ipvtng = -1;
    }

/*     Decode GRADE */

    if (lsame_(grade, "N")) {
	igrade = 0;
    } else if (lsame_(grade, "L")) {
	igrade = 1;
    } else if (lsame_(grade, "R")) {
	igrade = 2;
    } else if (lsame_(grade, "B")) {
	igrade = 3;
    } else if (lsame_(grade, "E")) {
	igrade = 4;
    } else if (lsame_(grade, "H") || lsame_(grade, 
	    "S")) {
	igrade = 5;
    } else {
	igrade = -1;
    }

/*     Decode PACK */

    if (lsame_(pack, "N")) {
	ipack = 0;
    } else if (lsame_(pack, "U")) {
	ipack = 1;
    } else if (lsame_(pack, "L")) {
	ipack = 2;
    } else if (lsame_(pack, "C")) {
	ipack = 3;
    } else if (lsame_(pack, "R")) {
	ipack = 4;
    } else if (lsame_(pack, "B")) {
	ipack = 5;
    } else if (lsame_(pack, "Q")) {
	ipack = 6;
    } else if (lsame_(pack, "Z")) {
	ipack = 7;
    } else {
	ipack = -1;
    }

/*     Set certain internal parameters */

    mnmin = f2cmin(*m,*n);
/* Computing MIN */
    i__1 = *kl, i__2 = *m - 1;
    kll = f2cmin(i__1,i__2);
/* Computing MIN */
    i__1 = *ku, i__2 = *n - 1;
    kuu = f2cmin(i__1,i__2);

/*     If inv(DL) is used, check to see if DL has a zero entry. */

    dzero = FALSE_;
    if (igrade == 4 && *model == 0) {
	i__1 = *m;
	for (i__ = 1; i__ <= i__1; ++i__) {
	    if (dl[i__] == 0.f) {
		dzero = TRUE_;
	    }
/* L10: */
	}
    }

/*     Check values in IPIVOT */

    badpvt = FALSE_;
    if (ipvtng > 0) {
	i__1 = npvts;
	for (j = 1; j <= i__1; ++j) {
	    if (ipivot[j] <= 0 || ipivot[j] > npvts) {
		badpvt = TRUE_;
	    }
/* L20: */
	}
    }

/*     Set INFO if an error */

    if (*m < 0) {
	*info = -1;
    } else if (*m != *n && isym == 0) {
	*info = -1;
    } else if (*n < 0) {
	*info = -2;
    } else if (idist == -1) {
	*info = -3;
    } else if (isym == -1) {
	*info = -5;
    } else if (*mode < -6 || *mode > 6) {
	*info = -7;
    } else if (*mode != -6 && *mode != 0 && *mode != 6 && *cond < 1.f) {
	*info = -8;
    } else if (*mode != -6 && *mode != 0 && *mode != 6 && irsign == -1) {
	*info = -10;
    } else if (igrade == -1 || igrade == 4 && *m != *n || igrade >= 1 && 
	    igrade <= 4 && isym == 0) {
	*info = -11;
    } else if (igrade == 4 && dzero) {
	*info = -12;
    } else if ((igrade == 1 || igrade == 3 || igrade == 4 || igrade == 5) && (
	    *model < -6 || *model > 6)) {
	*info = -13;
    } else if ((igrade == 1 || igrade == 3 || igrade == 4 || igrade == 5) && (
	    *model != -6 && *model != 0 && *model != 6) && *condl < 1.f) {
	*info = -14;
    } else if ((igrade == 2 || igrade == 3) && (*moder < -6 || *moder > 6)) {
	*info = -16;
    } else if ((igrade == 2 || igrade == 3) && (*moder != -6 && *moder != 0 &&
	     *moder != 6) && *condr < 1.f) {
	*info = -17;
    } else if (ipvtng == -1 || ipvtng == 3 && *m != *n || (ipvtng == 1 || 
	    ipvtng == 2) && isym == 0) {
	*info = -18;
    } else if (ipvtng != 0 && badpvt) {
	*info = -19;
    } else if (*kl < 0) {
	*info = -20;
    } else if (*ku < 0 || isym == 0 && *kl != *ku) {
	*info = -21;
    } else if (*sparse < 0.f || *sparse > 1.f) {
	*info = -22;
    } else if (ipack == -1 || (ipack == 1 || ipack == 2 || ipack == 5 || 
	    ipack == 6) && isym == 1 || ipack == 3 && isym == 1 && (*kl != 0 
	    || *m != *n) || ipack == 4 && isym == 1 && (*ku != 0 || *m != *n))
	     {
	*info = -24;
    } else if ((ipack == 0 || ipack == 1 || ipack == 2) && *lda < f2cmax(1,*m) ||
	     (ipack == 3 || ipack == 4) && *lda < 1 || (ipack == 5 || ipack ==
	     6) && *lda < kuu + 1 || ipack == 7 && *lda < kll + kuu + 1) {
	*info = -26;
    }

    if (*info != 0) {
	i__1 = -(*info);
	xerbla_("SLATMR", &i__1, 6);
	return;
    }

/*     Decide if we can pivot consistently */

    fulbnd = FALSE_;
    if (kuu == *n - 1 && kll == *m - 1) {
	fulbnd = TRUE_;
    }

/*     Initialize random number generator */

    for (i__ = 1; i__ <= 4; ++i__) {
	iseed[i__] = (i__1 = iseed[i__], abs(i__1)) % 4096;
/* L30: */
    }

    iseed[4] = (iseed[4] / 2 << 1) + 1;

/*     2)      Set up D, DL, and DR, if indicated. */

/*             Compute D according to COND and MODE */

    slatm1_(mode, cond, &irsign, &idist, &iseed[1], &d__[1], &mnmin, info);
    if (*info != 0) {
	*info = 1;
	return;
    }
    if (*mode != 0 && *mode != -6 && *mode != 6) {

/*        Scale by DMAX */

	temp = abs(d__[1]);
	i__1 = mnmin;
	for (i__ = 2; i__ <= i__1; ++i__) {
/* Computing MAX */
	    r__2 = temp, r__3 = (r__1 = d__[i__], abs(r__1));
	    temp = f2cmax(r__2,r__3);
/* L40: */
	}
	if (temp == 0.f && *dmax__ != 0.f) {
	    *info = 2;
	    return;
	}
	if (temp != 0.f) {
	    alpha = *dmax__ / temp;
	} else {
	    alpha = 1.f;
	}
	i__1 = mnmin;
	for (i__ = 1; i__ <= i__1; ++i__) {
	    d__[i__] = alpha * d__[i__];
/* L50: */
	}

    }

/*     Compute DL if grading set */

    if (igrade == 1 || igrade == 3 || igrade == 4 || igrade == 5) {
	slatm1_(model, condl, &c__0, &idist, &iseed[1], &dl[1], m, info);
	if (*info != 0) {
	    *info = 3;
	    return;
	}
    }

/*     Compute DR if grading set */

    if (igrade == 2 || igrade == 3) {
	slatm1_(moder, condr, &c__0, &idist, &iseed[1], &dr[1], n, info);
	if (*info != 0) {
	    *info = 4;
	    return;
	}
    }

/*     3)     Generate IWORK if pivoting */

    if (ipvtng > 0) {
	i__1 = npvts;
	for (i__ = 1; i__ <= i__1; ++i__) {
	    iwork[i__] = i__;
/* L60: */
	}
	if (fulbnd) {
	    i__1 = npvts;
	    for (i__ = 1; i__ <= i__1; ++i__) {
		k = ipivot[i__];
		j = iwork[i__];
		iwork[i__] = iwork[k];
		iwork[k] = j;
/* L70: */
	    }
	} else {
	    for (i__ = npvts; i__ >= 1; --i__) {
		k = ipivot[i__];
		j = iwork[i__];
		iwork[i__] = iwork[k];
		iwork[k] = j;
/* L80: */
	    }
	}
    }

/*     4)      Generate matrices for each kind of PACKing */
/*             Always sweep matrix columnwise (if symmetric, upper */
/*             half only) so that matrix generated does not depend */
/*             on PACK */

    if (fulbnd) {

/*        Use SLATM3 so matrices generated with differing PIVOTing only */
/*        differ only in the order of their rows and/or columns. */

	if (ipack == 0) {
	    if (isym == 0) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j;
		    for (i__ = 1; i__ <= i__2; ++i__) {
			temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
				idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
			a[isub + jsub * a_dim1] = temp;
			a[jsub + isub * a_dim1] = temp;
/* L90: */
		    }
/* L100: */
		}
	    } else if (isym == 1) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = *m;
		    for (i__ = 1; i__ <= i__2; ++i__) {
			temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
				idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
			a[isub + jsub * a_dim1] = temp;
/* L110: */
		    }
/* L120: */
		}
	    }

	} else if (ipack == 1) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);
		    mnsub = f2cmin(isub,jsub);
		    mxsub = f2cmax(isub,jsub);
		    a[mnsub + mxsub * a_dim1] = temp;
		    if (mnsub != mxsub) {
			a[mxsub + mnsub * a_dim1] = 0.f;
		    }
/* L130: */
		}
/* L140: */
	    }

	} else if (ipack == 2) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);
		    mnsub = f2cmin(isub,jsub);
		    mxsub = f2cmax(isub,jsub);
		    a[mxsub + mnsub * a_dim1] = temp;
		    if (mnsub != mxsub) {
			a[mnsub + mxsub * a_dim1] = 0.f;
		    }
/* L150: */
		}
/* L160: */
	    }

	} else if (ipack == 3) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);

/*                 Compute K = location of (ISUB,JSUB) entry in packed */
/*                 array */

		    mnsub = f2cmin(isub,jsub);
		    mxsub = f2cmax(isub,jsub);
		    k = mxsub * (mxsub - 1) / 2 + mnsub;

/*                 Convert K to (IISUB,JJSUB) location */

		    jjsub = (k - 1) / *lda + 1;
		    iisub = k - *lda * (jjsub - 1);

		    a[iisub + jjsub * a_dim1] = temp;
/* L170: */
		}
/* L180: */
	    }

	} else if (ipack == 4) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);

/*                 Compute K = location of (I,J) entry in packed array */

		    mnsub = f2cmin(isub,jsub);
		    mxsub = f2cmax(isub,jsub);
		    if (mnsub == 1) {
			k = mxsub;
		    } else {
			k = *n * (*n + 1) / 2 - (*n - mnsub + 1) * (*n - 
				mnsub + 2) / 2 + mxsub - mnsub + 1;
		    }

/*                 Convert K to (IISUB,JJSUB) location */

		    jjsub = (k - 1) / *lda + 1;
		    iisub = k - *lda * (jjsub - 1);

		    a[iisub + jjsub * a_dim1] = temp;
/* L190: */
		}
/* L200: */
	    }

	} else if (ipack == 5) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = j - kuu; i__ <= i__2; ++i__) {
		    if (i__ < 1) {
			a[j - i__ + 1 + (i__ + *n) * a_dim1] = 0.f;
		    } else {
			temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
				idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
			mnsub = f2cmin(isub,jsub);
			mxsub = f2cmax(isub,jsub);
			a[mxsub - mnsub + 1 + mnsub * a_dim1] = temp;
		    }
/* L210: */
		}
/* L220: */
	    }

	} else if (ipack == 6) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = j - kuu; i__ <= i__2; ++i__) {
		    temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);
		    mnsub = f2cmin(isub,jsub);
		    mxsub = f2cmax(isub,jsub);
		    a[mnsub - mxsub + kuu + 1 + mxsub * a_dim1] = temp;
/* L230: */
		}
/* L240: */
	    }

	} else if (ipack == 7) {

	    if (isym == 0) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j;
		    for (i__ = j - kuu; i__ <= i__2; ++i__) {
			temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
				idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
			mnsub = f2cmin(isub,jsub);
			mxsub = f2cmax(isub,jsub);
			a[mnsub - mxsub + kuu + 1 + mxsub * a_dim1] = temp;
			if (i__ < 1) {
			    a[j - i__ + 1 + kuu + (i__ + *n) * a_dim1] = 0.f;
			}
			if (i__ >= 1 && mnsub != mxsub) {
			    a[mxsub - mnsub + 1 + kuu + mnsub * a_dim1] = 
				    temp;
			}
/* L250: */
		    }
/* L260: */
		}
	    } else if (isym == 1) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j + kll;
		    for (i__ = j - kuu; i__ <= i__2; ++i__) {
			temp = slatm3_(m, n, &i__, &j, &isub, &jsub, kl, ku, &
				idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
			a[isub - jsub + kuu + 1 + jsub * a_dim1] = temp;
/* L270: */
		    }
/* L280: */
		}
	    }

	}

    } else {

/*        Use SLATM2 */

	if (ipack == 0) {
	    if (isym == 0) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j;
		    for (i__ = 1; i__ <= i__2; ++i__) {
			a[i__ + j * a_dim1] = slatm2_(m, n, &i__, &j, kl, ku, 
				&idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
			a[j + i__ * a_dim1] = a[i__ + j * a_dim1];
/* L290: */
		    }
/* L300: */
		}
	    } else if (isym == 1) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = *m;
		    for (i__ = 1; i__ <= i__2; ++i__) {
			a[i__ + j * a_dim1] = slatm2_(m, n, &i__, &j, kl, ku, 
				&idist, &iseed[1], &d__[1], &igrade, &dl[1], &
				dr[1], &ipvtng, &iwork[1], sparse);
/* L310: */
		    }
/* L320: */
		}
	    }

	} else if (ipack == 1) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    a[i__ + j * a_dim1] = slatm2_(m, n, &i__, &j, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);
		    if (i__ != j) {
			a[j + i__ * a_dim1] = 0.f;
		    }
/* L330: */
		}
/* L340: */
	    }

	} else if (ipack == 2) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    a[j + i__ * a_dim1] = slatm2_(m, n, &i__, &j, kl, ku, &
			    idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[1]
			    , &ipvtng, &iwork[1], sparse);
		    if (i__ != j) {
			a[i__ + j * a_dim1] = 0.f;
		    }
/* L350: */
		}
/* L360: */
	    }

	} else if (ipack == 3) {

	    isub = 0;
	    jsub = 1;
	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = 1; i__ <= i__2; ++i__) {
		    ++isub;
		    if (isub > *lda) {
			isub = 1;
			++jsub;
		    }
		    a[isub + jsub * a_dim1] = slatm2_(m, n, &i__, &j, kl, ku, 
			    &idist, &iseed[1], &d__[1], &igrade, &dl[1], &dr[
			    1], &ipvtng, &iwork[1], sparse);
/* L370: */
		}
/* L380: */
	    }

	} else if (ipack == 4) {

	    if (isym == 0) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j;
		    for (i__ = 1; i__ <= i__2; ++i__) {

/*                    Compute K = location of (I,J) entry in packed array */

			if (i__ == 1) {
			    k = j;
			} else {
			    k = *n * (*n + 1) / 2 - (*n - i__ + 1) * (*n - 
				    i__ + 2) / 2 + j - i__ + 1;
			}

/*                    Convert K to (ISUB,JSUB) location */

			jsub = (k - 1) / *lda + 1;
			isub = k - *lda * (jsub - 1);

			a[isub + jsub * a_dim1] = slatm2_(m, n, &i__, &j, kl, 
				ku, &idist, &iseed[1], &d__[1], &igrade, &dl[
				1], &dr[1], &ipvtng, &iwork[1], sparse);
/* L390: */
		    }
/* L400: */
		}
	    } else {
		isub = 0;
		jsub = 1;
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = *m;
		    for (i__ = j; i__ <= i__2; ++i__) {
			++isub;
			if (isub > *lda) {
			    isub = 1;
			    ++jsub;
			}
			a[isub + jsub * a_dim1] = slatm2_(m, n, &i__, &j, kl, 
				ku, &idist, &iseed[1], &d__[1], &igrade, &dl[
				1], &dr[1], &ipvtng, &iwork[1], sparse);
/* L410: */
		    }
/* L420: */
		}
	    }

	} else if (ipack == 5) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = j - kuu; i__ <= i__2; ++i__) {
		    if (i__ < 1) {
			a[j - i__ + 1 + (i__ + *n) * a_dim1] = 0.f;
		    } else {
			a[j - i__ + 1 + i__ * a_dim1] = slatm2_(m, n, &i__, &
				j, kl, ku, &idist, &iseed[1], &d__[1], &
				igrade, &dl[1], &dr[1], &ipvtng, &iwork[1], 
				sparse);
		    }
/* L430: */
		}
/* L440: */
	    }

	} else if (ipack == 6) {

	    i__1 = *n;
	    for (j = 1; j <= i__1; ++j) {
		i__2 = j;
		for (i__ = j - kuu; i__ <= i__2; ++i__) {
		    a[i__ - j + kuu + 1 + j * a_dim1] = slatm2_(m, n, &i__, &
			    j, kl, ku, &idist, &iseed[1], &d__[1], &igrade, &
			    dl[1], &dr[1], &ipvtng, &iwork[1], sparse);
/* L450: */
		}
/* L460: */
	    }

	} else if (ipack == 7) {

	    if (isym == 0) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j;
		    for (i__ = j - kuu; i__ <= i__2; ++i__) {
			a[i__ - j + kuu + 1 + j * a_dim1] = slatm2_(m, n, &
				i__, &j, kl, ku, &idist, &iseed[1], &d__[1], &
				igrade, &dl[1], &dr[1], &ipvtng, &iwork[1], 
				sparse);
			if (i__ < 1) {
			    a[j - i__ + 1 + kuu + (i__ + *n) * a_dim1] = 0.f;
			}
			if (i__ >= 1 && i__ != j) {
			    a[j - i__ + 1 + kuu + i__ * a_dim1] = a[i__ - j + 
				    kuu + 1 + j * a_dim1];
			}
/* L470: */
		    }
/* L480: */
		}
	    } else if (isym == 1) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = j + kll;
		    for (i__ = j - kuu; i__ <= i__2; ++i__) {
			a[i__ - j + kuu + 1 + j * a_dim1] = slatm2_(m, n, &
				i__, &j, kl, ku, &idist, &iseed[1], &d__[1], &
				igrade, &dl[1], &dr[1], &ipvtng, &iwork[1], 
				sparse);
/* L490: */
		    }
/* L500: */
		}
	    }

	}

    }

/*     5)      Scaling the norm */

    if (ipack == 0) {
	onorm = slange_("M", m, n, &a[a_offset], lda, tempa);
    } else if (ipack == 1) {
	onorm = slansy_("M", "U", n, &a[a_offset], lda, tempa);
    } else if (ipack == 2) {
	onorm = slansy_("M", "L", n, &a[a_offset], lda, tempa);
    } else if (ipack == 3) {
	onorm = slansp_("M", "U", n, &a[a_offset], tempa);
    } else if (ipack == 4) {
	onorm = slansp_("M", "L", n, &a[a_offset], tempa);
    } else if (ipack == 5) {
	onorm = slansb_("M", "L", n, &kll, &a[a_offset], lda, tempa);
    } else if (ipack == 6) {
	onorm = slansb_("M", "U", n, &kuu, &a[a_offset], lda, tempa);
    } else if (ipack == 7) {
	onorm = slangb_("M", n, &kll, &kuu, &a[a_offset], lda, tempa);
    }

    if (*anorm >= 0.f) {

	if (*anorm > 0.f && onorm == 0.f) {

/*           Desired scaling impossible */

	    *info = 5;
	    return;

	} else if (*anorm > 1.f && onorm < 1.f || *anorm < 1.f && onorm > 1.f)
		 {

/*           Scale carefully to avoid over / underflow */

	    if (ipack <= 2) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    r__1 = 1.f / onorm;
		    sscal_(m, &r__1, &a[j * a_dim1 + 1], &c__1);
		    sscal_(m, anorm, &a[j * a_dim1 + 1], &c__1);
/* L510: */
		}

	    } else if (ipack == 3 || ipack == 4) {

		i__1 = *n * (*n + 1) / 2;
		r__1 = 1.f / onorm;
		sscal_(&i__1, &r__1, &a[a_offset], &c__1);
		i__1 = *n * (*n + 1) / 2;
		sscal_(&i__1, anorm, &a[a_offset], &c__1);

	    } else if (ipack >= 5) {

		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = kll + kuu + 1;
		    r__1 = 1.f / onorm;
		    sscal_(&i__2, &r__1, &a[j * a_dim1 + 1], &c__1);
		    i__2 = kll + kuu + 1;
		    sscal_(&i__2, anorm, &a[j * a_dim1 + 1], &c__1);
/* L520: */
		}

	    }

	} else {

/*           Scale straightforwardly */

	    if (ipack <= 2) {
		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    r__1 = *anorm / onorm;
		    sscal_(m, &r__1, &a[j * a_dim1 + 1], &c__1);
/* L530: */
		}

	    } else if (ipack == 3 || ipack == 4) {

		i__1 = *n * (*n + 1) / 2;
		r__1 = *anorm / onorm;
		sscal_(&i__1, &r__1, &a[a_offset], &c__1);

	    } else if (ipack >= 5) {

		i__1 = *n;
		for (j = 1; j <= i__1; ++j) {
		    i__2 = kll + kuu + 1;
		    r__1 = *anorm / onorm;
		    sscal_(&i__2, &r__1, &a[j * a_dim1 + 1], &c__1);
/* L540: */
		}
	    }

	}

    }

/*     End of SLATMR */

    return;
} /* slatmr_ */