/* derrtz.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 {
    integer infot, nout;
    logical ok, lerr;
} infoc_;

#define infoc_1 infoc_

struct {
    char srnamt[32];
} srnamc_;

#define srnamc_1 srnamc_

/* Table of constant values */

static integer c__2 = 2;
static integer c_n1 = -1;
static integer c__0 = 0;
static integer c__1 = 1;

/* Subroutine */ int derrtz_(char *path, integer *nunit)
{
    /* Builtin functions */
    integer s_wsle(cilist *), e_wsle(void);
    /* Subroutine */ int s_copy(char *, char *, ftnlen, ftnlen);

    /* Local variables */
    doublereal a[4]	/* was [2][2] */, w[2];
    char c2[2];
    doublereal tau[2];
    integer info;
    extern /* Subroutine */ int alaesm_(char *, logical *, integer *);
    extern logical lsamen_(integer *, char *, char *);
    extern /* Subroutine */ int chkxer_(char *, integer *, integer *, logical 
	    *, logical *), dtzrqf_(integer *, integer *, doublereal *, 
	     integer *, doublereal *, integer *), dtzrzf_(integer *, integer *
, doublereal *, integer *, doublereal *, doublereal *, integer *, 
	    integer *);

    /* Fortran I/O blocks */
    static cilist io___1 = { 0, 0, 0, 0, 0 };



/*  -- LAPACK test routine (version 3.1) -- */
/*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
/*     November 2006 */

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

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

/*  DERRTZ tests the error exits for DTZRQF and STZRZF. */

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

/*  PATH    (input) CHARACTER*3 */
/*          The LAPACK path name for the routines to be tested. */

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

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

/*     .. Parameters .. */
/*     .. */
/*     .. Local Scalars .. */
/*     .. */
/*     .. Local Arrays .. */
/*     .. */
/*     .. External Functions .. */
/*     .. */
/*     .. External Subroutines .. */
/*     .. */
/*     .. Scalars in Common .. */
/*     .. */
/*     .. Common blocks .. */
/*     .. */
/*     .. Executable Statements .. */

    infoc_1.nout = *nunit;
    io___1.ciunit = infoc_1.nout;
    s_wsle(&io___1);
    e_wsle();
    s_copy(c2, path + 1, (ftnlen)2, (ftnlen)2);
    a[0] = 1.;
    a[2] = 2.;
    a[3] = 3.;
    a[1] = 4.;
    w[0] = 0.;
    w[1] = 0.;
    infoc_1.ok = TRUE_;

    if (lsamen_(&c__2, c2, "TZ")) {

/*        Test error exits for the trapezoidal routines. */

/*        DTZRQF */

	s_copy(srnamc_1.srnamt, "DTZRQF", (ftnlen)32, (ftnlen)6);
	infoc_1.infot = 1;
	dtzrqf_(&c_n1, &c__0, a, &c__1, tau, &info);
	chkxer_("DTZRQF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);
	infoc_1.infot = 2;
	dtzrqf_(&c__1, &c__0, a, &c__1, tau, &info);
	chkxer_("DTZRQF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);
	infoc_1.infot = 4;
	dtzrqf_(&c__2, &c__2, a, &c__1, tau, &info);
	chkxer_("DTZRQF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);

/*        DTZRZF */

	s_copy(srnamc_1.srnamt, "DTZRZF", (ftnlen)32, (ftnlen)6);
	infoc_1.infot = 1;
	dtzrzf_(&c_n1, &c__0, a, &c__1, tau, w, &c__1, &info);
	chkxer_("DTZRZF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);
	infoc_1.infot = 2;
	dtzrzf_(&c__1, &c__0, a, &c__1, tau, w, &c__1, &info);
	chkxer_("DTZRZF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);
	infoc_1.infot = 4;
	dtzrzf_(&c__2, &c__2, a, &c__1, tau, w, &c__1, &info);
	chkxer_("DTZRZF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);
	infoc_1.infot = 7;
	dtzrzf_(&c__2, &c__2, a, &c__2, tau, w, &c__1, &info);
	chkxer_("DTZRZF", &infoc_1.infot, &infoc_1.nout, &infoc_1.lerr, &
		infoc_1.ok);
    }

/*     Print a summary line. */

    alaesm_(path, &infoc_1.ok, &infoc_1.nout);

    return 0;

/*     End of DERRTZ */

} /* derrtz_ */