2 #include "gmx_lapack.h"
3 #include "lapack_limits.h"
8 F77_FUNC(sgelqf,SGELQF)(int *m,
17 int a_dim1, a_offset, i__1, i__2, i__3, i__4;
19 int i__, k, ib, nb, nx, iws, nbmin, iinfo;
23 a_offset = 1 + a_dim1;
29 nb = DGELQF_BLOCKSIZE;
31 work[1] = (float) lwkopt;
37 k =(*m < *n) ? *m : *n;
46 if (nb > 1 && nb < k) {
47 nx = DGELQF_CROSSOVER;
54 nbmin = DGELQF_MINBLOCKSIZE;
59 if (nb >= nbmin && nb < k && nx < k) {
63 for (i__ = 1; i__2 < 0 ? i__ >= i__1 : i__ <= i__1; i__ += i__2) {
65 ib = (i__3 < nb) ? i__3 : nb;
68 F77_FUNC(sgelq2,SGELQ2)(&ib, &i__3, &a[i__ + i__ * a_dim1], lda, &tau[i__], &work[
73 F77_FUNC(slarft,SLARFT)("Forward", "Rowwise", &i__3, &ib, &a[i__ + i__ *
74 a_dim1], lda, &tau[i__], &work[1], &ldwork);
76 i__3 = *m - i__ - ib + 1;
78 F77_FUNC(slarfb,SLARFB)("Right", "No transpose", "Forward", "Rowwise", &i__3,
79 &i__4, &ib, &a[i__ + i__ * a_dim1], lda, &work[1], &
80 ldwork, &a[i__ + ib + i__ * a_dim1], lda, &work[ib +
91 F77_FUNC(sgelq2,SGELQ2)(&i__2, &i__1, &a[i__ + i__ * a_dim1], lda, &tau[i__], &work[1]
95 work[1] = (float) iws;