125 integer a_dim1, a_offset, i__1, i__2, i__3;
127 integer i__, j, l, ib, nb, ki, kk, nx, iws, nbmin, iinfo;
129 int sorgl2_fla(
integer *,
integer *,
integer *,
real *,
integer *,
real *,
real *,
integer *), slarfb_(
char *,
char *,
char *,
char *,
integer *,
integer *,
integer *,
real *,
integer * ,
real *,
integer *,
real *,
integer *,
real *,
integer *), xerbla_(
char *,
integer *);
158 a_offset = 1 + a_dim1;
164 nb = ilaenv_(&c__1,
"SORGLQ",
" ", m, n, k, &c_n1);
165 lwkopt = max(1,*m) * nb;
166 work[1] = (
real) lwkopt;
167 lquery = *lwork == -1;
176 else if (*k < 0 || *k > *m)
180 else if (*lda < max(1,*m))
184 else if (*lwork < max(1,*m) && ! lquery)
191 xerbla_(
"SORGLQ", &i__1);
207 if (nb > 1 && nb < *k)
212 i__2 = ilaenv_(&c__3,
"SORGLQ",
" ", m, n, k, &c_n1);
223 nb = *lwork / ldwork;
226 i__2 = ilaenv_(&c__2,
"SORGLQ",
" ", m, n, k, &c_n1);
227 nbmin = max(i__1,i__2);
231 if (nb >= nbmin && nb < *k && nx < *k)
235 ki = (*k - nx - 1) / nb * nb;
251 a[i__ + j * a_dim1] = 0.f;
267 sorgl2_fla(&i__1, &i__2, &i__3, &a[kk + 1 + (kk + 1) * a_dim1], lda, & tau[kk + 1], &work[1], &iinfo);
274 i__1 < 0 ? i__ >= 1 : i__ <= 1;
286 slarft_(
"Forward",
"Rowwise", &i__2, &ib, &a[i__ + i__ * a_dim1], lda, &tau[i__], &work[1], &ldwork);
288 i__2 = *m - i__ - ib + 1;
290 slarfb_(
"Right",
"Transpose",
"Forward",
"Rowwise", &i__2, & i__3, &ib, &a[i__ + i__ * a_dim1], lda, &work[1], & ldwork, &a[i__ + ib + i__ * a_dim1], lda, &work[ib + 1], &ldwork);
294 sorgl2_fla(&ib, &i__2, &ib, &a[i__ + i__ * a_dim1], lda, &tau[i__], & work[1], &iinfo);
306 a[l + j * a_dim1] = 0.f;
314 work[1] = (
real) iws;
int integer
Definition: FLA_f2c.h:25
int logical
Definition: FLA_f2c.h:36
float real
Definition: FLA_f2c.h:30
int sorgl2_fla(integer *m, integer *n, integer *k, real *a, integer *lda, real *tau, real *work, integer *info)
Definition: sorgl2.c:102