ddrvrf2.c

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/* ddrvrf2.f -- translated by f2c (version 20061008).
   You must link the resulting object file with libf2c:
        on Microsoft Windows system, link with libf2c.lib;
        on Linux or Unix systems, link with .../path/to/libf2c.a -lm
        or, if you install libf2c.a in a standard place, with -lf2c -lm
        -- in that order, at the end of the command line, as in
                cc *.o -lf2c -lm
        Source for libf2c is in /netlib/f2c/libf2c.zip, e.g.,

                http://www.netlib.org/f2c/libf2c.zip
*/

#include "f2c.h"
#include "blaswrap.h"

/* Common Block Declarations */

struct {
    char srnamt[32];
} srnamc_;

#define srnamc_1 srnamc_

/* Table of constant values */

static integer c__2 = 2;
static integer c__1 = 1;

/* Subroutine */ int ddrvrf2_(integer *nout, integer *nn, integer *nval, 
        doublereal *a, integer *lda, doublereal *arf, doublereal *ap, 
        doublereal *asav)
{
    /* Initialized data */

    static integer iseedy[4] = { 1988,1989,1990,1991 };
    static char uplos[1*2] = "U" "L";
    static char forms[1*2] = "N" "T";

    /* Format strings */
    static char fmt_9999[] = "(1x,\002 *** Error(s) while testing the RFP co"
            "nvertion\002,\002 routines ***\002)";
    static char fmt_9998[] = "(1x,\002     Error in RFP,convertion routines "
            "N=\002,i5,\002 UPLO='\002,a1,\002', FORM ='\002,a1,\002'\002)";
    static char fmt_9997[] = "(1x,\002All tests for the RFP convertion routi"
            "nes passed (\002,i5,\002 tests run)\002)";
    static char fmt_9996[] = "(1x,\002RFP convertion routines:\002,i5,\002 o"
            "ut of \002,i5,\002 error message recorded\002)";

    /* System generated locals */
    integer a_dim1, a_offset, asav_dim1, asav_offset, i__1, i__2, i__3;

    /* Builtin functions */
    /* Subroutine */ int s_copy(char *, char *, ftnlen, ftnlen);
    integer s_wsle(cilist *), e_wsle(void), s_wsfe(cilist *), e_wsfe(void), 
            do_fio(integer *, char *, ftnlen);

    /* Local variables */
    integer i__, j, n;
    logical ok1, ok2;
    integer iin, info;
    char uplo[1];
    integer nrun, iseed[4];
    char cform[1];
    integer iform;
    logical lower;
    integer iuplo, nerrs;
    extern doublereal dlarnd_(integer *, integer *);
    extern /* Subroutine */ int dtfttp_(char *, char *, integer *, doublereal 
            *, doublereal *, integer *), dtpttf_(char *, char 
            *, integer *, doublereal *, doublereal *, integer *), dtfttr_(char *, char *, integer *, doublereal *, 
            doublereal *, integer *, integer *), dtrttf_(char 
            *, char *, integer *, doublereal *, integer *, doublereal *, 
            integer *), dtrttp_(char *, integer *, doublereal 
            *, integer *, doublereal *, integer *), dtpttr_(char *, 
            integer *, doublereal *, doublereal *, integer *, integer *);

    /* Fortran I/O blocks */
    static cilist io___19 = { 0, 0, 0, 0, 0 };
    static cilist io___20 = { 0, 0, 0, fmt_9999, 0 };
    static cilist io___21 = { 0, 0, 0, fmt_9998, 0 };
    static cilist io___22 = { 0, 0, 0, fmt_9997, 0 };
    static cilist io___23 = { 0, 0, 0, fmt_9996, 0 };



/*  -- LAPACK test routine (version 3.2.0) -- */
/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
/*     November 2008 */

/*     .. Scalar Arguments .. */
/*     .. */
/*     .. Array Arguments .. */
/*     .. */

/*  Purpose */
/*  ======= */

/*  DDRVRF2 tests the LAPACK RFP convertion routines. */

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

/*  NOUT          (input) INTEGER */
/*                The unit number for output. */

/*  NN            (input) INTEGER */
/*                The number of values of N contained in the vector NVAL. */

/*  NVAL          (input) INTEGER array, dimension (NN) */
/*                The values of the matrix dimension N. */

/*  A             (workspace) DOUBLE PRECISION array, dimension (LDA,NMAX) */

/*  LDA           (input) INTEGER */
/*                The leading dimension of the array A.  LDA >= max(1,NMAX). */

/*  ARF           (workspace) DOUBLE PRECISION array, dimension ((NMAX*(NMAX+1))/2). */

/*  AP            (workspace) DOUBLE PRECISION array, dimension ((NMAX*(NMAX+1))/2). */

/*  A2            (workspace) DOUBLE PRECISION array, dimension (LDA,NMAX) */

/*  ===================================================================== */
/*     .. */
/*     .. Local Scalars .. */
/*     .. */
/*     .. Local Arrays .. */
/*     .. */
/*     .. External Functions .. */
/*     .. */
/*     .. External Subroutines .. */
/*     .. */
/*     .. Scalars in Common .. */
/*     .. */
/*     .. Common blocks .. */
/*     .. */
/*     .. Data statements .. */
    /* Parameter adjustments */
    --nval;
    asav_dim1 = *lda;
    asav_offset = 1 + asav_dim1;
    asav -= asav_offset;
    a_dim1 = *lda;
    a_offset = 1 + a_dim1;
    a -= a_offset;
    --arf;
    --ap;

    /* Function Body */
/*     .. */
/*     .. Executable Statements .. */

/*     Initialize constants and the random number seed. */

    nrun = 0;
    nerrs = 0;
    info = 0;
    for (i__ = 1; i__ <= 4; ++i__) {
        iseed[i__ - 1] = iseedy[i__ - 1];
/* L10: */
    }

    i__1 = *nn;
    for (iin = 1; iin <= i__1; ++iin) {

        n = nval[iin];

/*        Do first for UPLO = 'U', then for UPLO = 'L' */

        for (iuplo = 1; iuplo <= 2; ++iuplo) {

            *(unsigned char *)uplo = *(unsigned char *)&uplos[iuplo - 1];
            lower = TRUE_;
            if (iuplo == 1) {
                lower = FALSE_;
            }

/*           Do first for CFORM = 'N', then for CFORM = 'T' */

            for (iform = 1; iform <= 2; ++iform) {

                *(unsigned char *)cform = *(unsigned char *)&forms[iform - 1];

                ++nrun;

                i__2 = n;
                for (j = 1; j <= i__2; ++j) {
                    i__3 = n;
                    for (i__ = 1; i__ <= i__3; ++i__) {
                        a[i__ + j * a_dim1] = dlarnd_(&c__2, iseed);
                    }
                }

                s_copy(srnamc_1.srnamt, "DTRTTF", (ftnlen)32, (ftnlen)6);
                dtrttf_(cform, uplo, &n, &a[a_offset], lda, &arf[1], &info);

                s_copy(srnamc_1.srnamt, "DTFTTP", (ftnlen)32, (ftnlen)6);
                dtfttp_(cform, uplo, &n, &arf[1], &ap[1], &info);

                s_copy(srnamc_1.srnamt, "DTPTTR", (ftnlen)32, (ftnlen)6);
                dtpttr_(uplo, &n, &ap[1], &asav[asav_offset], lda, &info);

                ok1 = TRUE_;
                if (lower) {
                    i__2 = n;
                    for (j = 1; j <= i__2; ++j) {
                        i__3 = n;
                        for (i__ = j; i__ <= i__3; ++i__) {
                            if (a[i__ + j * a_dim1] != asav[i__ + j * 
                                    asav_dim1]) {
                                ok1 = FALSE_;
                            }
                        }
                    }
                } else {
                    i__2 = n;
                    for (j = 1; j <= i__2; ++j) {
                        i__3 = j;
                        for (i__ = 1; i__ <= i__3; ++i__) {
                            if (a[i__ + j * a_dim1] != asav[i__ + j * 
                                    asav_dim1]) {
                                ok1 = FALSE_;
                            }
                        }
                    }
                }

                ++nrun;

                s_copy(srnamc_1.srnamt, "DTRTTP", (ftnlen)32, (ftnlen)6);
                dtrttp_(uplo, &n, &a[a_offset], lda, &ap[1], &info)
                        ;

                s_copy(srnamc_1.srnamt, "DTPTTF", (ftnlen)32, (ftnlen)6);
                dtpttf_(cform, uplo, &n, &ap[1], &arf[1], &info);

                s_copy(srnamc_1.srnamt, "DTFTTR", (ftnlen)32, (ftnlen)6);
                dtfttr_(cform, uplo, &n, &arf[1], &asav[asav_offset], lda, &
                        info);

                ok2 = TRUE_;
                if (lower) {
                    i__2 = n;
                    for (j = 1; j <= i__2; ++j) {
                        i__3 = n;
                        for (i__ = j; i__ <= i__3; ++i__) {
                            if (a[i__ + j * a_dim1] != asav[i__ + j * 
                                    asav_dim1]) {
                                ok2 = FALSE_;
                            }
                        }
                    }
                } else {
                    i__2 = n;
                    for (j = 1; j <= i__2; ++j) {
                        i__3 = j;
                        for (i__ = 1; i__ <= i__3; ++i__) {
                            if (a[i__ + j * a_dim1] != asav[i__ + j * 
                                    asav_dim1]) {
                                ok2 = FALSE_;
                            }
                        }
                    }
                }

                if (! ok1 || ! ok2) {
                    if (nerrs == 0) {
                        io___19.ciunit = *nout;
                        s_wsle(&io___19);
                        e_wsle();
                        io___20.ciunit = *nout;
                        s_wsfe(&io___20);
                        e_wsfe();
                    }
                    io___21.ciunit = *nout;
                    s_wsfe(&io___21);
                    do_fio(&c__1, (char *)&n, (ftnlen)sizeof(integer));
                    do_fio(&c__1, uplo, (ftnlen)1);
                    do_fio(&c__1, cform, (ftnlen)1);
                    e_wsfe();
                    ++nerrs;
                }

/* L100: */
            }
/* L110: */
        }
/* L120: */
    }

/*     Print a summary of the results. */

    if (nerrs == 0) {
        io___22.ciunit = *nout;
        s_wsfe(&io___22);
        do_fio(&c__1, (char *)&nrun, (ftnlen)sizeof(integer));
        e_wsfe();
    } else {
        io___23.ciunit = *nout;
        s_wsfe(&io___23);
        do_fio(&c__1, (char *)&nerrs, (ftnlen)sizeof(integer));
        do_fio(&c__1, (char *)&nrun, (ftnlen)sizeof(integer));
        e_wsfe();
    }


    return 0;

/*     End of DDRVRF2 */

} /* ddrvrf2_ */