text: #include "f2c.h"
  #include "blaswrap.h"
  
  /* Table of constant values */
  
  static integer c__1 = 1;
  static doublereal c_b14 = 1.;
  static doublereal c_b25 = -1.;
  
  /* Subroutine */ int dlarfb_(char *side, char *trans, char *direct, char *
  	storev, integer *m, integer *n, integer *k, doublereal *v, integer *
  	ldv, doublereal *t, integer *ldt, doublereal *c__, integer *ldc, 
  	doublereal *work, integer *ldwork)
  {
      /* System generated locals */
      integer c_dim1, c_offset, t_dim1, t_offset, v_dim1, v_offset, work_dim1, 
  	    work_offset, i__1, i__2;
  
      /* Local variables */
      integer i__, j;
      extern /* Subroutine */ int dgemm_(char *, char *, integer *, integer *, 
  	    integer *, doublereal *, doublereal *, integer *, doublereal *, 
  	    integer *, doublereal *, doublereal *, integer *);
      extern logical lsame_(char *, char *);
      extern /* Subroutine */ int dcopy_(integer *, doublereal *, integer *, 
  	    doublereal *, integer *), dtrmm_(char *, char *, char *, char *, 
  	    integer *, integer *, doublereal *, doublereal *, integer *, 
  	    doublereal *, integer *);
      char transt[1];
  
  
  /*  -- LAPACK auxiliary routine (version 3.1) -- */
  /*     Univ. of Tennessee, Univ. of California Berkeley and NAG Ltd.. */
  /*     November 2006 */
  
  /*     .. Scalar Arguments .. */
  /*     .. */
  /*     .. Array Arguments .. */
  /*     .. */
  
  /*  Purpose */
  /*  ======= */
  
  /*  DLARFB applies a real block reflector H or its transpose H' to a */
  /*  real m by n matrix C, from either the left or the right. */
  
  /*  Arguments */
  /*  ========= */
  
  /*  SIDE    (input) CHARACTER*1 */
  /*          = 'L': apply H or H' from the Left */
  /*          = 'R': apply H or H' from the Right */
  
  /*  TRANS   (input) CHARACTER*1 */
  /*          = 'N': apply H (No transpose) */
  /*          = 'T': apply H' (Transpose) */
  
  /*  DIRECT  (input) CHARACTER*1 */
  /*          Indicates how H is formed from a product of elementary */
  /*          reflectors */
  /*          = 'F': H = H(1) H(2) . . . H(k) (Forward) */
  /*          = 'B': H = H(k) . . . H(2) H(1) (Backward) */
  
  /*  STOREV  (input) CHARACTER*1 */
  /*          Indicates how the vectors which define the elementary */
  /*          reflectors are stored: */
  /*          = 'C': Columnwise */
  /*          = 'R': Rowwise */
  
  /*  M       (input) INTEGER */
  /*          The number of rows of the matrix C. */
  
  /*  N       (input) INTEGER */
  /*          The number of columns of the matrix C. */
  
  /*  K       (input) INTEGER */
  /*          The order of the matrix T (= the number of elementary */
  /*          reflectors whose product defines the block reflector). */
  
  /*  V       (input) DOUBLE PRECISION array, dimension */
  /*                                (LDV,K) if STOREV = 'C' */
  /*                                (LDV,M) if STOREV = 'R' and SIDE = 'L' */
  /*                                (LDV,N) if STOREV = 'R' and SIDE = 'R' */
  /*          The matrix V. See further details. */
  
  /*  LDV     (input) INTEGER */
  /*          The leading dimension of the array V. */
  /*          If STOREV = 'C' and SIDE = 'L', LDV >= max(1,M); */
  /*          if STOREV = 'C' and SIDE = 'R', LDV >= max(1,N); */
  /*          if STOREV = 'R', LDV >= K. */
  
  /*  T       (input) DOUBLE PRECISION array, dimension (LDT,K) */
  /*          The triangular k by k matrix T in the representation of the */
  /*          block reflector. */
  
  /*  LDT     (input) INTEGER */
  /*          The leading dimension of the array T. LDT >= K. */
  
  /*  C       (input/output) DOUBLE PRECISION array, dimension (LDC,N) */
  /*          On entry, the m by n matrix C. */
  /*          On exit, C is overwritten by H*C or H'*C or C*H or C*H'. */
  
  /*  LDC     (input) INTEGER */
  /*          The leading dimension of the array C. LDA >= max(1,M). */
  
  /*  WORK    (workspace) DOUBLE PRECISION array, dimension (LDWORK,K) */
  
  /*  LDWORK  (input) INTEGER */
  /*          The leading dimension of the array WORK. */
  /*          If SIDE = 'L', LDWORK >= max(1,N); */
  /*          if SIDE = 'R', LDWORK >= max(1,M). */
  
  /*  ===================================================================== */
  
  /*     .. Parameters .. */
  /*     .. */
  /*     .. Local Scalars .. */
  /*     .. */
  /*     .. External Functions .. */
  /*     .. */
  /*     .. External Subroutines .. */
  /*     .. */
  /*     .. Executable Statements .. */
  
  /*     Quick return if possible */
  
      /* Parameter adjustments */
      v_dim1 = *ldv;
      v_offset = 1 + v_dim1;
      v -= v_offset;
      t_dim1 = *ldt;
      t_offset = 1 + t_dim1;
      t -= t_offset;
      c_dim1 = *ldc;
      c_offset = 1 + c_dim1;
      c__ -= c_offset;
      work_dim1 = *ldwork;
      work_offset = 1 + work_dim1;
      work -= work_offset;
  
      /* Function Body */
      if (*m <= 0 || *n <= 0) {
  	return 0;
      }
  
      if (lsame_(trans, "N")) {
  	*(unsigned char *)transt = 'T';
      } else {
  	*(unsigned char *)transt = 'N';
      }
  
      if (lsame_(storev, "C")) {
  
  	if (lsame_(direct, "F")) {
  
  /*           Let  V =  ( V1 )    (first K rows) */
  /*                     ( V2 ) */
  /*           where  V1  is unit lower triangular. */
  
  	    if (lsame_(side, "L")) {
  
  /*              Form  H * C  or  H' * C  where  C = ( C1 ) */
  /*                                                  ( C2 ) */
  
  /*              W := C' * V  =  (C1'*V1 + C2'*V2)  (stored in WORK) */
  
  /*              W := C1' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(n, &c__[j + c_dim1], ldc, &work[j * work_dim1 + 1], 
  			     &c__1);
  /* L10: */
  		}
  
  /*              W := W * V1 */
  
  		dtrmm_("Right", "Lower", "No transpose", "Unit", n, k, &c_b14, 
  			 &v[v_offset], ldv, &work[work_offset], ldwork);
  		if (*m > *k) {
  
  /*                 W := W + C2'*V2 */
  
  		    i__1 = *m - *k;
  		    dgemm_("Transpose", "No transpose", n, k, &i__1, &c_b14, &
  			    c__[*k + 1 + c_dim1], ldc, &v[*k + 1 + v_dim1], 
  			    ldv, &c_b14, &work[work_offset], ldwork);
  		}
  
  /*              W := W * T'  or  W * T */
  
  		dtrmm_("Right", "Upper", transt, "Non-unit", n, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - V * W' */
  
  		if (*m > *k) {
  
  /*                 C2 := C2 - V2 * W' */
  
  		    i__1 = *m - *k;
  		    dgemm_("No transpose", "Transpose", &i__1, n, k, &c_b25, &
  			    v[*k + 1 + v_dim1], ldv, &work[work_offset], 
  			    ldwork, &c_b14, &c__[*k + 1 + c_dim1], ldc);
  		}
  
  /*              W := W * V1' */
  
  		dtrmm_("Right", "Lower", "Transpose", "Unit", n, k, &c_b14, &
  			v[v_offset], ldv, &work[work_offset], ldwork);
  
  /*              C1 := C1 - W' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *n;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[j + i__ * c_dim1] -= work[i__ + j * work_dim1];
  /* L20: */
  		    }
  /* L30: */
  		}
  
  	    } else if (lsame_(side, "R")) {
  
  /*              Form  C * H  or  C * H'  where  C = ( C1  C2 ) */
  
  /*              W := C * V  =  (C1*V1 + C2*V2)  (stored in WORK) */
  
  /*              W := C1 */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(m, &c__[j * c_dim1 + 1], &c__1, &work[j * 
  			    work_dim1 + 1], &c__1);
  /* L40: */
  		}
  
  /*              W := W * V1 */
  
  		dtrmm_("Right", "Lower", "No transpose", "Unit", m, k, &c_b14, 
  			 &v[v_offset], ldv, &work[work_offset], ldwork);
  		if (*n > *k) {
  
  /*                 W := W + C2 * V2 */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "No transpose", m, k, &i__1, &
  			    c_b14, &c__[(*k + 1) * c_dim1 + 1], ldc, &v[*k + 
  			    1 + v_dim1], ldv, &c_b14, &work[work_offset], 
  			    ldwork);
  		}
  
  /*              W := W * T  or  W * T' */
  
  		dtrmm_("Right", "Upper", trans, "Non-unit", m, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - W * V' */
  
  		if (*n > *k) {
  
  /*                 C2 := C2 - W * V2' */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "Transpose", m, &i__1, k, &c_b25, &
  			    work[work_offset], ldwork, &v[*k + 1 + v_dim1], 
  			    ldv, &c_b14, &c__[(*k + 1) * c_dim1 + 1], ldc);
  		}
  
  /*              W := W * V1' */
  
  		dtrmm_("Right", "Lower", "Transpose", "Unit", m, k, &c_b14, &
  			v[v_offset], ldv, &work[work_offset], ldwork);
  
  /*              C1 := C1 - W */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *m;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[i__ + j * c_dim1] -= work[i__ + j * work_dim1];
  /* L50: */
  		    }
  /* L60: */
  		}
  	    }
  
  	} else {
  
  /*           Let  V =  ( V1 ) */
  /*                     ( V2 )    (last K rows) */
  /*           where  V2  is unit upper triangular. */
  
  	    if (lsame_(side, "L")) {
  
  /*              Form  H * C  or  H' * C  where  C = ( C1 ) */
  /*                                                  ( C2 ) */
  
  /*              W := C' * V  =  (C1'*V1 + C2'*V2)  (stored in WORK) */
  
  /*              W := C2' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(n, &c__[*m - *k + j + c_dim1], ldc, &work[j * 
  			    work_dim1 + 1], &c__1);
  /* L70: */
  		}
  
  /*              W := W * V2 */
  
  		dtrmm_("Right", "Upper", "No transpose", "Unit", n, k, &c_b14, 
  			 &v[*m - *k + 1 + v_dim1], ldv, &work[work_offset], 
  			ldwork);
  		if (*m > *k) {
  
  /*                 W := W + C1'*V1 */
  
  		    i__1 = *m - *k;
  		    dgemm_("Transpose", "No transpose", n, k, &i__1, &c_b14, &
  			    c__[c_offset], ldc, &v[v_offset], ldv, &c_b14, &
  			    work[work_offset], ldwork);
  		}
  
  /*              W := W * T'  or  W * T */
  
  		dtrmm_("Right", "Lower", transt, "Non-unit", n, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - V * W' */
  
  		if (*m > *k) {
  
  /*                 C1 := C1 - V1 * W' */
  
  		    i__1 = *m - *k;
  		    dgemm_("No transpose", "Transpose", &i__1, n, k, &c_b25, &
  			    v[v_offset], ldv, &work[work_offset], ldwork, &
  			    c_b14, &c__[c_offset], ldc)
  			    ;
  		}
  
  /*              W := W * V2' */
  
  		dtrmm_("Right", "Upper", "Transpose", "Unit", n, k, &c_b14, &
  			v[*m - *k + 1 + v_dim1], ldv, &work[work_offset], 
  			ldwork);
  
  /*              C2 := C2 - W' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *n;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[*m - *k + j + i__ * c_dim1] -= work[i__ + j * 
  				work_dim1];
  /* L80: */
  		    }
  /* L90: */
  		}
  
  	    } else if (lsame_(side, "R")) {
  
  /*              Form  C * H  or  C * H'  where  C = ( C1  C2 ) */
  
  /*              W := C * V  =  (C1*V1 + C2*V2)  (stored in WORK) */
  
  /*              W := C2 */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(m, &c__[(*n - *k + j) * c_dim1 + 1], &c__1, &work[
  			    j * work_dim1 + 1], &c__1);
  /* L100: */
  		}
  
  /*              W := W * V2 */
  
  		dtrmm_("Right", "Upper", "No transpose", "Unit", m, k, &c_b14, 
  			 &v[*n - *k + 1 + v_dim1], ldv, &work[work_offset], 
  			ldwork);
  		if (*n > *k) {
  
  /*                 W := W + C1 * V1 */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "No transpose", m, k, &i__1, &
  			    c_b14, &c__[c_offset], ldc, &v[v_offset], ldv, &
  			    c_b14, &work[work_offset], ldwork);
  		}
  
  /*              W := W * T  or  W * T' */
  
  		dtrmm_("Right", "Lower", trans, "Non-unit", m, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - W * V' */
  
  		if (*n > *k) {
  
  /*                 C1 := C1 - W * V1' */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "Transpose", m, &i__1, k, &c_b25, &
  			    work[work_offset], ldwork, &v[v_offset], ldv, &
  			    c_b14, &c__[c_offset], ldc)
  			    ;
  		}
  
  /*              W := W * V2' */
  
  		dtrmm_("Right", "Upper", "Transpose", "Unit", m, k, &c_b14, &
  			v[*n - *k + 1 + v_dim1], ldv, &work[work_offset], 
  			ldwork);
  
  /*              C2 := C2 - W */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *m;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[i__ + (*n - *k + j) * c_dim1] -= work[i__ + j * 
  				work_dim1];
  /* L110: */
  		    }
  /* L120: */
  		}
  	    }
  	}
  
      } else if (lsame_(storev, "R")) {
  
  	if (lsame_(direct, "F")) {
  
  /*           Let  V =  ( V1  V2 )    (V1: first K columns) */
  /*           where  V1  is unit upper triangular. */
  
  	    if (lsame_(side, "L")) {
  
  /*              Form  H * C  or  H' * C  where  C = ( C1 ) */
  /*                                                  ( C2 ) */
  
  /*              W := C' * V'  =  (C1'*V1' + C2'*V2') (stored in WORK) */
  
  /*              W := C1' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(n, &c__[j + c_dim1], ldc, &work[j * work_dim1 + 1], 
  			     &c__1);
  /* L130: */
  		}
  
  /*              W := W * V1' */
  
  		dtrmm_("Right", "Upper", "Transpose", "Unit", n, k, &c_b14, &
  			v[v_offset], ldv, &work[work_offset], ldwork);
  		if (*m > *k) {
  
  /*                 W := W + C2'*V2' */
  
  		    i__1 = *m - *k;
  		    dgemm_("Transpose", "Transpose", n, k, &i__1, &c_b14, &
  			    c__[*k + 1 + c_dim1], ldc, &v[(*k + 1) * v_dim1 + 
  			    1], ldv, &c_b14, &work[work_offset], ldwork);
  		}
  
  /*              W := W * T'  or  W * T */
  
  		dtrmm_("Right", "Upper", transt, "Non-unit", n, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - V' * W' */
  
  		if (*m > *k) {
  
  /*                 C2 := C2 - V2' * W' */
  
  		    i__1 = *m - *k;
  		    dgemm_("Transpose", "Transpose", &i__1, n, k, &c_b25, &v[(
  			    *k + 1) * v_dim1 + 1], ldv, &work[work_offset], 
  			    ldwork, &c_b14, &c__[*k + 1 + c_dim1], ldc);
  		}
  
  /*              W := W * V1 */
  
  		dtrmm_("Right", "Upper", "No transpose", "Unit", n, k, &c_b14, 
  			 &v[v_offset], ldv, &work[work_offset], ldwork);
  
  /*              C1 := C1 - W' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *n;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[j + i__ * c_dim1] -= work[i__ + j * work_dim1];
  /* L140: */
  		    }
  /* L150: */
  		}
  
  	    } else if (lsame_(side, "R")) {
  
  /*              Form  C * H  or  C * H'  where  C = ( C1  C2 ) */
  
  /*              W := C * V'  =  (C1*V1' + C2*V2')  (stored in WORK) */
  
  /*              W := C1 */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(m, &c__[j * c_dim1 + 1], &c__1, &work[j * 
  			    work_dim1 + 1], &c__1);
  /* L160: */
  		}
  
  /*              W := W * V1' */
  
  		dtrmm_("Right", "Upper", "Transpose", "Unit", m, k, &c_b14, &
  			v[v_offset], ldv, &work[work_offset], ldwork);
  		if (*n > *k) {
  
  /*                 W := W + C2 * V2' */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "Transpose", m, k, &i__1, &c_b14, &
  			    c__[(*k + 1) * c_dim1 + 1], ldc, &v[(*k + 1) * 
  			    v_dim1 + 1], ldv, &c_b14, &work[work_offset], 
  			    ldwork);
  		}
  
  /*              W := W * T  or  W * T' */
  
  		dtrmm_("Right", "Upper", trans, "Non-unit", m, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - W * V */
  
  		if (*n > *k) {
  
  /*                 C2 := C2 - W * V2 */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "No transpose", m, &i__1, k, &
  			    c_b25, &work[work_offset], ldwork, &v[(*k + 1) * 
  			    v_dim1 + 1], ldv, &c_b14, &c__[(*k + 1) * c_dim1 
  			    + 1], ldc);
  		}
  
  /*              W := W * V1 */
  
  		dtrmm_("Right", "Upper", "No transpose", "Unit", m, k, &c_b14, 
  			 &v[v_offset], ldv, &work[work_offset], ldwork);
  
  /*              C1 := C1 - W */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *m;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[i__ + j * c_dim1] -= work[i__ + j * work_dim1];
  /* L170: */
  		    }
  /* L180: */
  		}
  
  	    }
  
  	} else {
  
  /*           Let  V =  ( V1  V2 )    (V2: last K columns) */
  /*           where  V2  is unit lower triangular. */
  
  	    if (lsame_(side, "L")) {
  
  /*              Form  H * C  or  H' * C  where  C = ( C1 ) */
  /*                                                  ( C2 ) */
  
  /*              W := C' * V'  =  (C1'*V1' + C2'*V2') (stored in WORK) */
  
  /*              W := C2' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(n, &c__[*m - *k + j + c_dim1], ldc, &work[j * 
  			    work_dim1 + 1], &c__1);
  /* L190: */
  		}
  
  /*              W := W * V2' */
  
  		dtrmm_("Right", "Lower", "Transpose", "Unit", n, k, &c_b14, &
  			v[(*m - *k + 1) * v_dim1 + 1], ldv, &work[work_offset]
  , ldwork);
  		if (*m > *k) {
  
  /*                 W := W + C1'*V1' */
  
  		    i__1 = *m - *k;
  		    dgemm_("Transpose", "Transpose", n, k, &i__1, &c_b14, &
  			    c__[c_offset], ldc, &v[v_offset], ldv, &c_b14, &
  			    work[work_offset], ldwork);
  		}
  
  /*              W := W * T'  or  W * T */
  
  		dtrmm_("Right", "Lower", transt, "Non-unit", n, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - V' * W' */
  
  		if (*m > *k) {
  
  /*                 C1 := C1 - V1' * W' */
  
  		    i__1 = *m - *k;
  		    dgemm_("Transpose", "Transpose", &i__1, n, k, &c_b25, &v[
  			    v_offset], ldv, &work[work_offset], ldwork, &
  			    c_b14, &c__[c_offset], ldc);
  		}
  
  /*              W := W * V2 */
  
  		dtrmm_("Right", "Lower", "No transpose", "Unit", n, k, &c_b14, 
  			 &v[(*m - *k + 1) * v_dim1 + 1], ldv, &work[
  			work_offset], ldwork);
  
  /*              C2 := C2 - W' */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *n;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[*m - *k + j + i__ * c_dim1] -= work[i__ + j * 
  				work_dim1];
  /* L200: */
  		    }
  /* L210: */
  		}
  
  	    } else if (lsame_(side, "R")) {
  
  /*              Form  C * H  or  C * H'  where  C = ( C1  C2 ) */
  
  /*              W := C * V'  =  (C1*V1' + C2*V2')  (stored in WORK) */
  
  /*              W := C2 */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    dcopy_(m, &c__[(*n - *k + j) * c_dim1 + 1], &c__1, &work[
  			    j * work_dim1 + 1], &c__1);
  /* L220: */
  		}
  
  /*              W := W * V2' */
  
  		dtrmm_("Right", "Lower", "Transpose", "Unit", m, k, &c_b14, &
  			v[(*n - *k + 1) * v_dim1 + 1], ldv, &work[work_offset]
  , ldwork);
  		if (*n > *k) {
  
  /*                 W := W + C1 * V1' */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "Transpose", m, k, &i__1, &c_b14, &
  			    c__[c_offset], ldc, &v[v_offset], ldv, &c_b14, &
  			    work[work_offset], ldwork);
  		}
  
  /*              W := W * T  or  W * T' */
  
  		dtrmm_("Right", "Lower", trans, "Non-unit", m, k, &c_b14, &t[
  			t_offset], ldt, &work[work_offset], ldwork);
  
  /*              C := C - W * V */
  
  		if (*n > *k) {
  
  /*                 C1 := C1 - W * V1 */
  
  		    i__1 = *n - *k;
  		    dgemm_("No transpose", "No transpose", m, &i__1, k, &
  			    c_b25, &work[work_offset], ldwork, &v[v_offset], 
  			    ldv, &c_b14, &c__[c_offset], ldc);
  		}
  
  /*              W := W * V2 */
  
  		dtrmm_("Right", "Lower", "No transpose", "Unit", m, k, &c_b14, 
  			 &v[(*n - *k + 1) * v_dim1 + 1], ldv, &work[
  			work_offset], ldwork);
  
  /*              C1 := C1 - W */
  
  		i__1 = *k;
  		for (j = 1; j <= i__1; ++j) {
  		    i__2 = *m;
  		    for (i__ = 1; i__ <= i__2; ++i__) {
  			c__[i__ + (*n - *k + j) * c_dim1] -= work[i__ + j * 
  				work_dim1];
  /* L230: */
  		    }
  /* L240: */
  		}
  
  	    }
  
  	}
      }
  
      return 0;
  
  /*     End of DLARFB */
  
  } /* dlarfb_ */
  