remove ceph code

[stor4nfv.git] / src / ceph / src / erasure-code / shec / determinant.c

diff --git a/src/ceph/src/erasure-code/shec/determinant.c b/src/ceph/src/erasure-code/shec/determinant.c
deleted file mode 100755 (executable)
index 15b62c9..0000000
--- a/src/ceph/src/erasure-code/shec/determinant.c
+++ /dev/null
@@ -1,94 +0,0 @@
-// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
-// vim: ts=8 sw=2 smarttab
-/*
- * Ceph - scalable distributed file system
- *
- * Copyright (C) 2014 Fujitsu Laboratories
- *
- * Author: Takanori Nakao <nakao.takanori@jp.fujitsu.com>
- * Author: Takeshi Miyamae <miyamae.takeshi@jp.fujitsu.com>
- *
- *  This library is free software; you can redistribute it and/or
- *  modify it under the terms of the GNU Lesser General Public
- *  License as published by the Free Software Foundation; either
- *  version 2.1 of the License, or (at your option) any later version.
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include "jerasure/include/galois.h"
-
-void print_matrix(int *mat, int dim)
-{
-  int i, j;
-
-  for (i=0; i<dim; i++) {
-    for (j=0; j<dim; j++) {
-      printf("%d ", mat[i*dim+j]);
-    }
-    printf("\n");
-  }
-}
-
-int calc_determinant(int *matrix, int dim)
-{
-  int i, j, k, *mat, det = 1, coeff_1, coeff_2, *row;
-
-//  print_matrix(matrix, dim);
-
-  mat = (int *)malloc(sizeof(int)*dim*dim);
-  if (mat == NULL) {
-    printf("mat malloc err\n");
-    goto out0;
-  }
-  memcpy((int *)mat, (int *)matrix, sizeof(int)*dim*dim);
-
-  row = (int *)malloc(sizeof(int)*dim);
-  if (row == NULL) {
-    printf("row malloc err\n");
-    goto out1;
-  }
-
-  for (i=0; i<dim; i++) {
-    if (mat[i*dim+i] == 0) {
-      for (k=i+1; k<dim; k++) {
-       if (mat[k*dim+i] != 0) {
-         memcpy((int *)row, (int *)&mat[k*dim], sizeof(int)*dim);
-         memcpy((int *)&mat[k*dim], (int *)&mat[i*dim], sizeof(int)*dim);
-         memcpy((int *)&mat[i*dim], (int *)row, sizeof(int)*dim);
-         break;
-       }
-      }
-      if (k == dim) {
-       det = 0;
-       goto out2;
-      }
-    }
-    coeff_1 = mat[i*dim+i];
-    for (j=i; j<dim; j++) {
-      mat[i*dim+j] = galois_single_divide(mat[i*dim+j], coeff_1, 8);
-    }
-    for (k=i+1; k<dim; k++) {
-      if (mat[k*dim+i] != 0) {
-       coeff_2 = mat[k*dim+i];
-       for (j=i; j<dim; j++) {
-         mat[k*dim+j] = mat[k*dim+j] ^ galois_single_multiply(mat[i*dim+j], coeff_2, 8);
-       }
-      }
-    }
-    det = galois_single_multiply(det, coeff_1, 8);
-  }
-//  print_matrix(mat, dim);
-
-out2:
-  free(row);
-
-out1:
-  free(mat);
-
-out0:
-  return det;
-}