1 files changed, 0 insertions, 57 deletions
diff --git a/common/placer_math.c b/common/placer_math.c
deleted file mode 100644
index b36a9ec5..00000000
--- a/common/placer_math.c
+++ /dev/null
@@ -1,57 +0,0 @@
-#include "taucs.h"
-#include "placer_math.h"
-#include <stdio.h>
-#include <assert.h>
-
-void taucif_init_solver() {
-    //taucs_logfile("stdout");
-}
-
-struct taucif_system {
-    taucs_ccs_matrix* mat;
-    int ccs_i, ccs_col;
-};
-
-struct taucif_system *taucif_create_system(int rows, int cols, int n_nonzero) {
-    struct taucif_system *sys = taucs_malloc(sizeof(struct taucif_system));
-    sys->mat = taucs_ccs_create(cols, rows, n_nonzero, TAUCS_DOUBLE | TAUCS_SYMMETRIC | TAUCS_LOWER);
-    // Internal pointers
-    sys->ccs_i = 0;
-    sys->ccs_col = -1;
-    return sys;
-};
-
-void taucif_add_matrix_value(struct taucif_system *sys, int row, int col, double value) {
-    assert(sys->ccs_col <= col);
-    while(sys->ccs_col < col) {
-        sys->mat->colptr[++sys->ccs_col] = sys->ccs_i;
-    }
-    sys->mat->rowind[sys->ccs_i] = row;
-    sys->mat->values.d[sys->ccs_i++] = value;
-}
-
-void taucif_finalise_matrix(struct taucif_system *sys) {
-    sys->mat->colptr[++sys->ccs_col] = sys->ccs_i;
-#if 0
-    taucs_ccs_write_ijv(sys->mat, "matrix.ijv");
-#endif
-}
-
-int taucif_solve_system(struct taucif_system *sys, double *x, double *rhs) {
-    if (sys->mat->n <= 2)
-        return 0;
-    // FIXME: preconditioner, droptol??
-    taucs_ccs_matrix* precond_mat = taucs_ccs_factor_llt(sys->mat, 1e-2, 0);
-    if (precond_mat == NULL)
-        return -1;
-    // FIXME: itermax, convergetol
-    int cjres = taucs_conjugate_gradients(sys->mat, taucs_ccs_solve_llt, precond_mat, x, rhs, 1000, 1e-6);
-    taucs_ccs_free(precond_mat);
-    return 0;
-}
-
-void taucif_free_system(struct taucif_system *sys) {
-    taucs_ccs_free(sys->mat);
-    taucs_free(sys);
-}
-