2 full-storage.cc -- implement Full_storage
4 source file of the Flower Library
6 (c) 1996,1997 Han-Wen Nienhuys <hanwen@stack.nl>
9 #include "full-storage.hh"
13 Full_storage::operator=(Full_storage const &fs)
15 resize (fs.height_i_, fs.width_i_);
18 for (int i=0; i<height_i_; i++)
19 for (int j=0; j<width_i_; j++)
20 els_p_p_[i][j]= fs.els_p_p_[i][j];
25 Full_storage::OK() const
29 assert (max_height_i_ >= height_i_ && max_width_i_ >= width_i_);
30 assert (height_i_ >= 0 && width_i_ >= 0);
31 assert (els_p_p_||!max_height_i_);
38 Full_storage::~Full_storage()
40 for (int i=0; i < max_height_i_; i++)
41 delete [] els_p_p_[i];
46 Full_storage::resize (int rows, int cols)
54 Full_storage::mult_ok (int i, int) const
61 Full_storage::trans_ok (int , int j) const
69 Full_storage::trans_next (int &i, int &j) const
71 assert (trans_ok (i,j));
82 Full_storage::mult_next (int &i, int &j) const
84 assert (mult_ok (i,j));
95 Full_storage::delete_column (int k)
97 assert (0 <= k &&k<width_i_);
98 for (int i=0; i< height_i_ ; i++)
99 for (int j=k+1; j <width_i_; j++)
100 els_p_p_[i][j-1]=els_p_p_[i][j];
106 Full_storage::delete_row (int k)
108 assert (0 <= k &&k<height_i_);
109 for (int i=k+1; i < height_i_ ; i++)
110 for (int j=0; j < width_i_; j++)
111 els_p_p_[i-1][j]=els_p_p_[i][j];
118 Full_storage::insert_row (int k)
120 assert (0 <= k&& k <=height_i_);
121 resize_cols (height_i_+1);
122 for (int i=height_i_-1; i > k ; i--)
123 for (int j=0; j <width_i_; j++)
124 els_p_p_[i][j]=els_p_p_[i-1][j];
129 Full_storage::try_right_multiply (Matrix_storage * dest, Matrix_storage const * right) const
131 if (dest->name() != Full_storage::static_name () ||
132 right->name() != Full_storage::static_name ())
135 Full_storage *d_l = (Full_storage*)dest;
136 Full_storage *r_l = (Full_storage*)right;
138 d_l->set_size (height_i_, r_l->width_i_);
139 for (int i=0; i < d_l->height_i_; i++)
140 for (int j = 0; j < d_l->width_i_; j++)
142 Real &r (d_l->els_p_p_[i][j]);
144 for (int k = 0; k < width_i_; k++)
145 r += els_p_p_[i][k] * r_l->els_p_p_[k][j];
152 IMPLEMENT_IS_TYPE_B1(Full_storage,Matrix_storage);
154 Full_storage::resize_cols (int newh)
156 if (newh <= max_height_i_)
162 Real ** newa=new Real*[newh];
164 for (; j < height_i_; j++)
165 newa[j] = els_p_p_[j];
166 for (; j < newh; j++)
167 newa[j] = new Real[max_width_i_];
171 height_i_ = max_height_i_ = newh;
176 Full_storage::Full_storage (Matrix_storage*m)
178 set_size (m->rows(), m->cols ());
179 if (!m->is_type_b (Full_storage::static_name()))
180 for (int i=0; i<height_i_; i++)
181 for (int j=0; j<width_i_; j++)
183 for (int i,j=0; m->mult_ok (i,j); m->mult_next (i,j))
184 els_p_p_[i][j] = m->elem (i,j);
189 Full_storage::resize_rows (int neww)
191 if (neww <= max_width_i_)
196 for (int i=0; i < max_height_i_ ; i++)
198 Real* newa = new Real[neww];
199 for (int k=0; k < width_i_; k++)
200 newa[k] = els_p_p_[i][k];
202 delete[] els_p_p_[i];
205 width_i_ = max_width_i_ = neww;
214 IMPLEMENT_VIRTUAL_COPY_CONS(Full_storage,Matrix_storage);
216 #include "full-storage.icc"