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37 #include "gmx_lapack.h"
38 #include "lapack_limits.h"
40 #include <types/simple.h>
43 F77_FUNC(strtri,STRTRI)(const char *uplo,
50 int a_dim1, a_offset, i__1, i__3, i__4, i__5;
59 a_offset = 1 + a_dim1;
63 upper = (*uplo=='U' || *uplo=='u');
64 nounit = (*diag=='N' || *diag=='n');
77 for (*info = 1; *info <= i__1; ++(*info)) {
78 if (fabs(a[*info + *info * a_dim1])<GMX_FLOAT_MIN) {
85 nb = DTRTRI_BLOCKSIZE;
86 if (nb <= 1 || nb >= *n) {
88 F77_FUNC(strti2,STRTI2)(uplo, diag, n, &a[a_offset], lda, info);
95 for (j = 1; i__3 < 0 ? j >= i__1 : j <= i__1; j += i__3) {
96 i__4 = nb, i__5 = *n - j + 1;
97 jb = (i__4<i__5) ? i__4 : i__5;
100 F77_FUNC(strmm,STRMM)("Left", "Upper", "No transpose", diag, &i__4, &jb, &
101 c_b18, &a[a_offset], lda, &a[j * a_dim1 + 1], lda);
103 F77_FUNC(strsm,STRSM)("Right", "Upper", "No transpose", diag, &i__4, &jb, &
104 c_b22, &a[j + j * a_dim1], lda, &a[j * a_dim1 + 1],
107 F77_FUNC(strti2,STRTI2)("Upper", diag, &jb, &a[j + j * a_dim1], lda, info);
111 nn = (*n - 1) / nb * nb + 1;
113 for (j = nn; i__3 < 0 ? j >= 1 : j <= 1; j += i__3) {
114 i__1 = nb, i__4 = *n - j + 1;
115 jb = (i__1<i__4) ? i__1 : i__4;
118 i__1 = *n - j - jb + 1;
119 F77_FUNC(strmm,STRMM)("Left", "Lower", "No transpose", diag, &i__1, &jb,
120 &c_b18, &a[j + jb + (j + jb) * a_dim1], lda, &a[j
121 + jb + j * a_dim1], lda);
122 i__1 = *n - j - jb + 1;
123 F77_FUNC(strsm,STRSM)("Right", "Lower", "No transpose", diag, &i__1, &jb,
124 &c_b22, &a[j + j * a_dim1], lda, &a[j + jb + j *
128 F77_FUNC(strti2,STRTI2)("Lower", diag, &jb, &a[j + j * a_dim1], lda, info);