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67	<div class="navpath"><b>itpp</b>::<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>
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71	<h1>itpp::Sparse_Vec< T > Class Template Reference</h1><!-- doxytag: class="itpp::Sparse_Vec" -->Templated sparse vector class.
72	<a href="#_details">More...</a>
73	<p>
74	<code>#include <<a class="el" href="svec_8h-source.html">svec.h</a>></code>
75	<p>
76
77	<p>
78	<a href="classitpp_1_1Sparse__Vec-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
79	<tr><td></td></tr>
80	<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
81	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="39fcb7d641a1b6c022e7413041e00f0a"></a><!-- doxytag: member="itpp::Sparse_Vec::Sparse_Vec" ref="39fcb7d641a1b6c022e7413041e00f0a" args="()" -->
82	</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#39fcb7d641a1b6c022e7413041e00f0a">Sparse_Vec</a> ()</td></tr>
83
84	<tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br></td></tr>
85	<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#a0abee3a9c045d3093fb1becc3a4be32">Sparse_Vec</a> (int sz, int data_init=200)</td></tr>
86
87	<tr><td class="mdescLeft"> </td><td class="mdescRight">Initiate an empty sparse vector. <a href="#a0abee3a9c045d3093fb1becc3a4be32"></a><br></td></tr>
88	<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#9fd90c90b73ec0d6a92a641f3c7dcc23">Sparse_Vec</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v)</td></tr>
89
90	<tr><td class="mdescLeft"> </td><td class="mdescRight">Initiate a new sparse vector. <a href="#9fd90c90b73ec0d6a92a641f3c7dcc23"></a><br></td></tr>
91	<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#cafcd2a02b1c37ffb519b02afcff2e25">Sparse_Vec</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
92
93	<tr><td class="mdescLeft"> </td><td class="mdescRight">Initiate a new sparse vector from a dense vector. <a href="#cafcd2a02b1c37ffb519b02afcff2e25"></a><br></td></tr>
94	<tr><td class="memItemLeft" nowrap align="right" valign="top"> </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#11808d0c9a62f8a68707567efe82e19f">Sparse_Vec</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v, T epsilon)</td></tr>
95
96	<tr><td class="mdescLeft"> </td><td class="mdescRight">Initiate a new sparse vector from a dense vector. Elements of <code>v</code> larger than <code>epsilon</code> are copied into the new sparse vector. <a href="#11808d0c9a62f8a68707567efe82e19f"></a><br></td></tr>
97	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="91654f6ae8be75ca792f8e6aea4195fc"></a><!-- doxytag: member="itpp::Sparse_Vec::~Sparse_Vec" ref="91654f6ae8be75ca792f8e6aea4195fc" args="()" -->
98	</td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#91654f6ae8be75ca792f8e6aea4195fc">~Sparse_Vec</a> ()</td></tr>
99
100	<tr><td class="mdescLeft"> </td><td class="mdescRight">Destructor. <br></td></tr>
101	<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#1f542b437bdf9942b3f386ccc6e53577">set_size</a> (int sz, int data_init=-1)</td></tr>
102
103	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the size <code>sz</code> of the sparse vector. Default value <code>data_init=-1</code> <code>=></code> allocated size for the data is not changed. <a href="#1f542b437bdf9942b3f386ccc6e53577"></a><br></td></tr>
104	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="86a41d34d1d5a1dbfe778b6fe21bf98e"></a><!-- doxytag: member="itpp::Sparse_Vec::size" ref="86a41d34d1d5a1dbfe778b6fe21bf98e" args="() const " -->
105	int </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#86a41d34d1d5a1dbfe778b6fe21bf98e">size</a> () const </td></tr>
106
107	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the size of the sparse vector. <br></td></tr>
108	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="574eb67974100fb492067c16216dbefc"></a><!-- doxytag: member="itpp::Sparse_Vec::nnz" ref="574eb67974100fb492067c16216dbefc" args="()" -->
109	int </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#574eb67974100fb492067c16216dbefc">nnz</a> ()</td></tr>
110
111	<tr><td class="mdescLeft"> </td><td class="mdescRight">Number of non-zero elements in the sparse vector. <br></td></tr>
112	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9dcac972a88c8e86eb2b32794db4ab1a"></a><!-- doxytag: member="itpp::Sparse_Vec::density" ref="9dcac972a88c8e86eb2b32794db4ab1a" args="()" -->
113	double </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#9dcac972a88c8e86eb2b32794db4ab1a">density</a> ()</td></tr>
114
115	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the density of the sparse vector: (number of non-zero elements)/(size of the vector). <br></td></tr>
116	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6f2ddfff6c73bf4afb024cb6502960ae"></a><!-- doxytag: member="itpp::Sparse_Vec::set_small_element" ref="6f2ddfff6c73bf4afb024cb6502960ae" args="(const T &epsilon)" -->
117	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#6f2ddfff6c73bf4afb024cb6502960ae">set_small_element</a> (const T &epsilon)</td></tr>
118
119	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set that all elements smaller than <em>epsilon</em> should be set to zero. <br></td></tr>
120	<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#f4a70276d329e74da185b4b331fbcfa6">remove_small_elements</a> ()</td></tr>
121
122	<tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#e13e88712aafec410acce936dc708073">resize_data</a> (int new_size)</td></tr>
123
124	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the maximum number of non-zero elements to <code>new_size</code>. <a href="#e13e88712aafec410acce936dc708073"></a><br></td></tr>
125	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="eecd9a99a1aef11b939ef9a5a329ee6e"></a><!-- doxytag: member="itpp::Sparse_Vec::compact" ref="eecd9a99a1aef11b939ef9a5a329ee6e" args="()" -->
126	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#eecd9a99a1aef11b939ef9a5a329ee6e">compact</a> ()</td></tr>
127
128	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the maximum number of non-zero elements equal to the actual number of non-zero elements. <br></td></tr>
129	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="abb60df924a9f3ad266c24c4da4787ed"></a><!-- doxytag: member="itpp::Sparse_Vec::full" ref="abb60df924a9f3ad266c24c4da4787ed" args="(Vec< T > &v) const " -->
130	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#abb60df924a9f3ad266c24c4da4787ed">full</a> (<a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v) const </td></tr>
131
132	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a full, dense vector in <code>v</code>. <br></td></tr>
133	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8918eae0c5c39b224912a6d3296a160f"></a><!-- doxytag: member="itpp::Sparse_Vec::full" ref="8918eae0c5c39b224912a6d3296a160f" args="() const " -->
134	<a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#8918eae0c5c39b224912a6d3296a160f">full</a> () const </td></tr>
135
136	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a full, dense vector. <br></td></tr>
137	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7e9b425456f1df975b156eae385dc1f6"></a><!-- doxytag: member="itpp::Sparse_Vec::operator()" ref="7e9b425456f1df975b156eae385dc1f6" args="(int i) const " -->
138	T </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#7e9b425456f1df975b156eae385dc1f6">operator()</a> (int i) const </td></tr>
139
140	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the element with index <code>i</code>. <br></td></tr>
141	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="080a7186e61140cdc739201bfcb60934"></a><!-- doxytag: member="itpp::Sparse_Vec::set" ref="080a7186e61140cdc739201bfcb60934" args="(int i, T v)" -->
142	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#080a7186e61140cdc739201bfcb60934">set</a> (int i, T v)</td></tr>
143
144	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set element <code>i</code> equal to <code>v</code>. <br></td></tr>
145	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ee53f9ab6cbc6ee2553c62b6ed66e196"></a><!-- doxytag: member="itpp::Sparse_Vec::set" ref="ee53f9ab6cbc6ee2553c62b6ed66e196" args="(const ivec &index_vec, const Vec< T > &v)" -->
146	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#ee53f9ab6cbc6ee2553c62b6ed66e196">set</a> (const ivec &index_vec, const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
147
148	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the elements of the sparse vector with indices <code>index_vec</code> to the values in <code>v</code>. <br></td></tr>
149	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="55adfb73da94ec8e567270d344d17555"></a><!-- doxytag: member="itpp::Sparse_Vec::set_new" ref="55adfb73da94ec8e567270d344d17555" args="(int i, T v)" -->
150	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#55adfb73da94ec8e567270d344d17555">set_new</a> (int i, T v)</td></tr>
151
152	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set a new element with index <code>i</code> equal to <code>v</code>. <br></td></tr>
153	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bd8056f722ef6c262a11201d15e9e008"></a><!-- doxytag: member="itpp::Sparse_Vec::set_new" ref="bd8056f722ef6c262a11201d15e9e008" args="(const ivec &index_vec, const Vec< T > &v)" -->
154	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#bd8056f722ef6c262a11201d15e9e008">set_new</a> (const ivec &index_vec, const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
155
156	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set new elements with indices <code>index_vec</code> equal to the values in <code>v</code> (no check whether the same index is used several times). <br></td></tr>
157	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="63b4e493346887db93f25b40f7352b91"></a><!-- doxytag: member="itpp::Sparse_Vec::add_elem" ref="63b4e493346887db93f25b40f7352b91" args="(const int i, const T v)" -->
158	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#63b4e493346887db93f25b40f7352b91">add_elem</a> (const int i, const T v)</td></tr>
159
160	<tr><td class="mdescLeft"> </td><td class="mdescRight">Add element <code>i</code> with <code>v</code>. <br></td></tr>
161	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9f3ef93cf84c3fc402e9303ff9fced8e"></a><!-- doxytag: member="itpp::Sparse_Vec::add" ref="9f3ef93cf84c3fc402e9303ff9fced8e" args="(const ivec &index_vec, const Vec< T > &v)" -->
162	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#9f3ef93cf84c3fc402e9303ff9fced8e">add</a> (const ivec &index_vec, const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
163
164	<tr><td class="mdescLeft"> </td><td class="mdescRight">Add <code>v</code> to the elements specified by <code>index_vec</code> with <code>v</code>. <br></td></tr>
165	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="259ac11b4eec8a9b76d14777edcdf941"></a><!-- doxytag: member="itpp::Sparse_Vec::zeros" ref="259ac11b4eec8a9b76d14777edcdf941" args="()" -->
166	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#259ac11b4eec8a9b76d14777edcdf941">zeros</a> ()</td></tr>
167
168	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the sparse vector to the all zero vector (removes all non-zero elements). <br></td></tr>
169	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7f28c432a7166b661834b6ddfa0aefc4"></a><!-- doxytag: member="itpp::Sparse_Vec::zero_elem" ref="7f28c432a7166b661834b6ddfa0aefc4" args="(const int i)" -->
170	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#7f28c432a7166b661834b6ddfa0aefc4">zero_elem</a> (const int i)</td></tr>
171
172	<tr><td class="mdescLeft"> </td><td class="mdescRight">Set the i-th element to zero (i.e. clear that element if it contains a non-zero value). <br></td></tr>
173	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e48f0bf68cfa0d2c8700952585e0c8eb"></a><!-- doxytag: member="itpp::Sparse_Vec::clear" ref="e48f0bf68cfa0d2c8700952585e0c8eb" args="()" -->
174	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#e48f0bf68cfa0d2c8700952585e0c8eb">clear</a> ()</td></tr>
175
176	<tr><td class="mdescLeft"> </td><td class="mdescRight">Clear all non-zero elements of the sparse vector. <br></td></tr>
177	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7e9f5693f6b709ddf7367b7e4b846f07"></a><!-- doxytag: member="itpp::Sparse_Vec::clear_elem" ref="7e9f5693f6b709ddf7367b7e4b846f07" args="(const int i)" -->
178	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#7e9f5693f6b709ddf7367b7e4b846f07">clear_elem</a> (const int i)</td></tr>
179
180	<tr><td class="mdescLeft"> </td><td class="mdescRight">Clear the i-th element (if it contains a non-zero value). <br></td></tr>
181	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="992d661ff475547dde7167b11a2623df"></a><!-- doxytag: member="itpp::Sparse_Vec::get_nz_data" ref="992d661ff475547dde7167b11a2623df" args="(int p, T &data_out)" -->
182	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#992d661ff475547dde7167b11a2623df">get_nz_data</a> (int p, T &data_out)</td></tr>
183
184	<tr><td class="mdescLeft"> </td><td class="mdescRight">Extract the reference to the p-th non-zero data element. <br></td></tr>
185	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="48b6acd9fe36985f92b8746be784f2ec"></a><!-- doxytag: member="itpp::Sparse_Vec::get_nz_data" ref="48b6acd9fe36985f92b8746be784f2ec" args="(int p)" -->
186	T </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#48b6acd9fe36985f92b8746be784f2ec">get_nz_data</a> (int p)</td></tr>
187
188	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the p-th non-zero data element. <br></td></tr>
189	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a86f06c01f042925d6b8005b26bd6b0b"></a><!-- doxytag: member="itpp::Sparse_Vec::get_nz_index" ref="a86f06c01f042925d6b8005b26bd6b0b" args="(int p)" -->
190	int </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#a86f06c01f042925d6b8005b26bd6b0b">get_nz_index</a> (int p)</td></tr>
191
192	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the vector index of the p-th non-zero element. <br></td></tr>
193	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bc9847c443a80c136306daeca1fdc3bf"></a><!-- doxytag: member="itpp::Sparse_Vec::get_nz" ref="bc9847c443a80c136306daeca1fdc3bf" args="(int p, int &idx, T &dat)" -->
194	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#bc9847c443a80c136306daeca1fdc3bf">get_nz</a> (int p, int &idx, T &dat)</td></tr>
195
196	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the p-th non-zero value in <code>dat</code> and the corresponding vector index in <code>idx</code>. <br></td></tr>
197	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="52046b9bcd75e1fda1d745e9dbc4f8e7"></a><!-- doxytag: member="itpp::Sparse_Vec::get_nz_indices" ref="52046b9bcd75e1fda1d745e9dbc4f8e7" args="()" -->
198	ivec </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#52046b9bcd75e1fda1d745e9dbc4f8e7">get_nz_indices</a> ()</td></tr>
199
200	<tr><td class="mdescLeft"> </td><td class="mdescRight">Return the indices of non-zero values. <br></td></tr>
201	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4d5f4ce3ee456b4623b995df6bbe19b5"></a><!-- doxytag: member="itpp::Sparse_Vec::get_subvector" ref="4d5f4ce3ee456b4623b995df6bbe19b5" args="(int i1, int i2) const " -->
202	<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#4d5f4ce3ee456b4623b995df6bbe19b5">get_subvector</a> (int i1, int i2) const </td></tr>
203
204	<tr><td class="mdescLeft"> </td><td class="mdescRight">Return sparse subvector from index <code>i1</code> to index <code>i2</code>. <br></td></tr>
205	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e3dbd58f2a416f2cf9b515e8e91fc95b"></a><!-- doxytag: member="itpp::Sparse_Vec::sqr" ref="e3dbd58f2a416f2cf9b515e8e91fc95b" args="() const " -->
206	T </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#e3dbd58f2a416f2cf9b515e8e91fc95b">sqr</a> () const </td></tr>
207
208	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the sum of all values squared. <br></td></tr>
209	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c4ef932d3ed56cba68c8b0ecb7ba278b"></a><!-- doxytag: member="itpp::Sparse_Vec::operator=" ref="c4ef932d3ed56cba68c8b0ecb7ba278b" args="(const Sparse_Vec< T > &v)" -->
210	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#c4ef932d3ed56cba68c8b0ecb7ba278b">operator=</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v)</td></tr>
211
212	<tr><td class="mdescLeft"> </td><td class="mdescRight">Assign sparse vector the value and length of the sparse vector <code>v</code>. <br></td></tr>
213	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f434c0f6790150b767bf8d6275318360"></a><!-- doxytag: member="itpp::Sparse_Vec::operator=" ref="f434c0f6790150b767bf8d6275318360" args="(const Vec< T > &v)" -->
214	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#f434c0f6790150b767bf8d6275318360">operator=</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
215
216	<tr><td class="mdescLeft"> </td><td class="mdescRight">Assign sparse vector the value and length of the dense vector <code>v</code>. <br></td></tr>
217	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="db64167ef8f7b46cc6a8b3f2d72a549f"></a><!-- doxytag: member="itpp::Sparse_Vec::operator-" ref="db64167ef8f7b46cc6a8b3f2d72a549f" args="() const " -->
218	<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#db64167ef8f7b46cc6a8b3f2d72a549f">operator-</a> () const </td></tr>
219
220	<tr><td class="mdescLeft"> </td><td class="mdescRight">Returns the sign inverse of all elements in the sparse vector. <br></td></tr>
221	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4a2d2a7bea045243c796d91cfb390a13"></a><!-- doxytag: member="itpp::Sparse_Vec::operator==" ref="4a2d2a7bea045243c796d91cfb390a13" args="(const Sparse_Vec< T > &v)" -->
222	bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#4a2d2a7bea045243c796d91cfb390a13">operator==</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v)</td></tr>
223
224	<tr><td class="mdescLeft"> </td><td class="mdescRight">Compare two sparse vectors. False if wrong sizes or different values. <br></td></tr>
225	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f801cdfc077c286c2fb4079239ac11d1"></a><!-- doxytag: member="itpp::Sparse_Vec::operator+=" ref="f801cdfc077c286c2fb4079239ac11d1" args="(const Sparse_Vec< T > &v)" -->
226	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#f801cdfc077c286c2fb4079239ac11d1">operator+=</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v)</td></tr>
227
228	<tr><td class="mdescLeft"> </td><td class="mdescRight">Add sparse vector <code>v</code> to all non-zero elements of the sparse vector. <br></td></tr>
229	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ae52eecb5781b416b48d213a9316b399"></a><!-- doxytag: member="itpp::Sparse_Vec::operator+=" ref="ae52eecb5781b416b48d213a9316b399" args="(const Vec< T > &v)" -->
230	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#ae52eecb5781b416b48d213a9316b399">operator+=</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
231
232	<tr><td class="mdescLeft"> </td><td class="mdescRight">Add vector <code>v</code> to all non-zero elements of the sparse vector. <br></td></tr>
233	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6e6425041822cfa30871bae71ede7df4"></a><!-- doxytag: member="itpp::Sparse_Vec::operator-=" ref="6e6425041822cfa30871bae71ede7df4" args="(const Sparse_Vec< T > &v)" -->
234	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#6e6425041822cfa30871bae71ede7df4">operator-=</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v)</td></tr>
235
236	<tr><td class="mdescLeft"> </td><td class="mdescRight">Subtract sparse vector <code>v</code> from all non-zero elements of the sparse vector. <br></td></tr>
237	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1144cbcd69b62d3934e8142ad8df7471"></a><!-- doxytag: member="itpp::Sparse_Vec::operator-=" ref="1144cbcd69b62d3934e8142ad8df7471" args="(const Vec< T > &v)" -->
238	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#1144cbcd69b62d3934e8142ad8df7471">operator-=</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v)</td></tr>
239
240	<tr><td class="mdescLeft"> </td><td class="mdescRight">Subtract vector <code>v</code> from all non-zero elements of the sparse vector. <br></td></tr>
241	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="70ed1fcb5802f4bd60009ed198c49c20"></a><!-- doxytag: member="itpp::Sparse_Vec::operator*=" ref="70ed1fcb5802f4bd60009ed198c49c20" args="(const T &v)" -->
242	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#70ed1fcb5802f4bd60009ed198c49c20">operator*=</a> (const T &v)</td></tr>
243
244	<tr><td class="mdescLeft"> </td><td class="mdescRight">Multiply the scalar <code>v</code> to all non-zero elements of the sparse vector. <br></td></tr>
245	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="16a5b698293b1e9ea3b79d4c5ce58934"></a><!-- doxytag: member="itpp::Sparse_Vec::operator/=" ref="16a5b698293b1e9ea3b79d4c5ce58934" args="(const T &v)" -->
246	void </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#16a5b698293b1e9ea3b79d4c5ce58934">operator/=</a> (const T &v)</td></tr>
247
248	<tr><td class="mdescLeft"> </td><td class="mdescRight">Divide all non-zero elements of the sparse vector with the scalar <code>v</code>. <br></td></tr>
249	<tr><td colspan="2"><br><h2>Friends</h2></td></tr>
250	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d65c6115bcf891f46506d02130451e5d"></a><!-- doxytag: member="itpp::Sparse_Vec::operator+" ref="d65c6115bcf891f46506d02130451e5d" args="(const Sparse_Vec< T > &v1, const Sparse_Vec< T > &v2)" -->
251	<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#d65c6115bcf891f46506d02130451e5d">operator+</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v2)</td></tr>
252
253	<tr><td class="mdescLeft"> </td><td class="mdescRight">Addition v1+v2 where v1 and v2 are sparse vector. <br></td></tr>
254	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="39952233c10daf6f92932d08ae04c66e"></a><!-- doxytag: member="itpp::Sparse_Vec::operator*" ref="39952233c10daf6f92932d08ae04c66e" args="(const Sparse_Vec< T > &v1, const Sparse_Vec< T > &v2)" -->
255	T </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#39952233c10daf6f92932d08ae04c66e">operator*</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v2)</td></tr>
256
257	<tr><td class="mdescLeft"> </td><td class="mdescRight">Scalar product v1*v2 where v1 and v2 are sparse vectors. <br></td></tr>
258	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0528e10b9c2a305461c4d273f3103aff"></a><!-- doxytag: member="itpp::Sparse_Vec::operator*" ref="0528e10b9c2a305461c4d273f3103aff" args="(const Sparse_Vec< T > &v1, const Vec< T > &v2)" -->
259	T </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#0528e10b9c2a305461c4d273f3103aff">operator*</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v2)</td></tr>
260
261	<tr><td class="mdescLeft"> </td><td class="mdescRight">Scalar product v1*v2 where v1 is a sparse vector and v2 is a dense vector. <br></td></tr>
262	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="42b220fb56be3d81b2c4f0cd27d1f68c"></a><!-- doxytag: member="itpp::Sparse_Vec::operator*" ref="42b220fb56be3d81b2c4f0cd27d1f68c" args="(const Vec< T > &v1, const Sparse_Vec< T > &v2)" -->
263	T </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#42b220fb56be3d81b2c4f0cd27d1f68c">operator*</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v2)</td></tr>
264
265	<tr><td class="mdescLeft"> </td><td class="mdescRight">Scalar product v1*v2 where v1 is a dense vector and v2 is a sparse vector. <br></td></tr>
266	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7d8ed50a6e2fa59502a9040de8b346c9"></a><!-- doxytag: member="itpp::Sparse_Vec::elem_mult" ref="7d8ed50a6e2fa59502a9040de8b346c9" args="(const Sparse_Vec< T > &v1, const Sparse_Vec< T > &v2)" -->
267	<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#7d8ed50a6e2fa59502a9040de8b346c9">elem_mult</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v2)</td></tr>
268
269	<tr><td class="mdescLeft"> </td><td class="mdescRight">Element wise multiplication of two sparse vectors. <br></td></tr>
270	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="93790b7d6a3dad14930d096cc792280e"></a><!-- doxytag: member="itpp::Sparse_Vec::elem_mult" ref="93790b7d6a3dad14930d096cc792280e" args="(const Sparse_Vec< T > &v1, const Vec< T > &v2)" -->
271	<a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#93790b7d6a3dad14930d096cc792280e">elem_mult</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v2)</td></tr>
272
273	<tr><td class="mdescLeft"> </td><td class="mdescRight">Element wise multiplication of a sparse vector and a dense vector. <br></td></tr>
274	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1a2ea2fe22265bcb3460b597a8571d55"></a><!-- doxytag: member="itpp::Sparse_Vec::elem_mult_s" ref="1a2ea2fe22265bcb3460b597a8571d55" args="(const Sparse_Vec< T > &v1, const Vec< T > &v2)" -->
275	<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#1a2ea2fe22265bcb3460b597a8571d55">elem_mult_s</a> (const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v2)</td></tr>
276
277	<tr><td class="mdescLeft"> </td><td class="mdescRight">Element wise multiplication of a sparse vector and a dense vector returning a sparse vector. <br></td></tr>
278	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="233e9616ee861039c17ba18fd8034781"></a><!-- doxytag: member="itpp::Sparse_Vec::elem_mult" ref="233e9616ee861039c17ba18fd8034781" args="(const Vec< T > &v1, const Sparse_Vec< T > &v2)" -->
279	<a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#233e9616ee861039c17ba18fd8034781">elem_mult</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v2)</td></tr>
280
281	<tr><td class="mdescLeft"> </td><td class="mdescRight">Element wise multiplication of a a dense vector and a sparse vector. <br></td></tr>
282	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="baf05b6b08bf3cc55c354f2faceeecd0"></a><!-- doxytag: member="itpp::Sparse_Vec::elem_mult_s" ref="baf05b6b08bf3cc55c354f2faceeecd0" args="(const Vec< T > &v1, const Sparse_Vec< T > &v2)" -->
283	<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#baf05b6b08bf3cc55c354f2faceeecd0">elem_mult_s</a> (const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > &v1, const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > &v2)</td></tr>
284
285	<tr><td class="mdescLeft"> </td><td class="mdescRight">Element wise multiplication of a a dense vector and a sparse vector returning a sparse vector. <br></td></tr>
286	<tr><td colspan="2"><br><h2>Related Functions</h2></td></tr>
287	<tr><td colspan="2">(Note that these are not member functions.) <br><br></td></tr>
288	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9c7a34f62113a49ebdb45be6766d9b68"></a><!-- doxytag: member="itpp::Sparse_Vec::sparse_ivec" ref="9c7a34f62113a49ebdb45be6766d9b68" args="" -->
289	typedef <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< int > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#9c7a34f62113a49ebdb45be6766d9b68">sparse_ivec</a></td></tr>
290
291	<tr><td class="mdescLeft"> </td><td class="mdescRight">Type definition of an integer sparse vector. <br></td></tr>
292	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fcc678091b4abbce7fc2cabb44366195"></a><!-- doxytag: member="itpp::Sparse_Vec::sparse_vec" ref="fcc678091b4abbce7fc2cabb44366195" args="" -->
293	typedef <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< double > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#fcc678091b4abbce7fc2cabb44366195">sparse_vec</a></td></tr>
294
295	<tr><td class="mdescLeft"> </td><td class="mdescRight">Type definition of a double sparse vector. <br></td></tr>
296	<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a91a51f05c91ecbac0568b57d07b20ef"></a><!-- doxytag: member="itpp::Sparse_Vec::sparse_cvec" ref="a91a51f05c91ecbac0568b57d07b20ef" args="" -->
297	typedef <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a><br class="typebreak">
298	< std::complex< double > > </td><td class="memItemRight" valign="bottom"><a class="el" href="classitpp_1_1Sparse__Vec.html#a91a51f05c91ecbac0568b57d07b20ef">sparse_cvec</a></td></tr>
299
300	<tr><td class="mdescLeft"> </td><td class="mdescRight">Type definition of a complex<double> sparse vector. <br></td></tr>
301	</table>
302	<hr><a name="_details"></a><h2>Detailed Description</h2>
303	<h3>template<class T><br>
304	class itpp::Sparse_Vec< T ></h3>
305
306	Templated sparse vector class.
307	<p>
308	<dl class="author" compact><dt><b>Author:</b></dt><dd>Tony Ottosson and Tobias Ringstrom</dd></dl>
309	A sparse vector is a vector where most elements are zero. The maximum number of none-zero elements is a parameter to the constructor. The elements are stored in random order, i.e. they are not sorted. <hr><h2>Constructor & Destructor Documentation</h2>
310	<a class="anchor" name="a0abee3a9c045d3093fb1becc3a4be32"></a><!-- doxytag: member="itpp::Sparse_Vec::Sparse_Vec" ref="a0abee3a9c045d3093fb1becc3a4be32" args="(int sz, int data_init=200)" -->
311	<div class="memitem">
312	<div class="memproto">
313	<div class="memtemplate">
314	template<class T > </div>
315	<table class="memname">
316	<tr>
317	<td class="memname"><a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a> </td>
318	<td>(</td>
319	<td class="paramtype">int </td>
320	<td class="paramname"> <em>sz</em>, </td>
321	</tr>
322	<tr>
323	<td class="paramkey"></td>
324	<td></td>
325	<td class="paramtype">int </td>
326	<td class="paramname"> <em>data_init</em> = <code>200</code></td><td> </td>
327	</tr>
328	<tr>
329	<td></td>
330	<td>)</td>
331	<td></td><td></td><td><code> [inline]</code></td>
332	</tr>
333	</table>
334	</div>
335	<div class="memdoc">
336
337	<p>
338	Initiate an empty sparse vector.
339	<p>
340	<dl compact><dt><b>Parameters:</b></dt><dd>
341	<table border="0" cellspacing="2" cellpadding="0">
342	<tr><td valign="top"></td><td valign="top"><em>sz</em> </td><td>Size of the sparse vector (i.e. maximum index is (<code>sz</code> - 1)) </td></tr>
343	<tr><td valign="top"></td><td valign="top"><em>data_init</em> </td><td>Maximum number of non-zero elements in the sparse vector (default value 200) </td></tr>
344	</table>
345	</dl>
346
347	</div>
348	</div><p>
349	<a class="anchor" name="9fd90c90b73ec0d6a92a641f3c7dcc23"></a><!-- doxytag: member="itpp::Sparse_Vec::Sparse_Vec" ref="9fd90c90b73ec0d6a92a641f3c7dcc23" args="(const Sparse_Vec< T > &v)" -->
350	<div class="memitem">
351	<div class="memproto">
352	<div class="memtemplate">
353	template<class T> </div>
354	<table class="memname">
355	<tr>
356	<td class="memname"><a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a> </td>
357	<td>(</td>
358	<td class="paramtype">const <a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a>< T > & </td>
359	<td class="paramname"> <em>v</em> </td>
360	<td> ) </td>
361	<td><code> [inline]</code></td>
362	</tr>
363	</table>
364	</div>
365	<div class="memdoc">
366
367	<p>
368	Initiate a new sparse vector.
369	<p>
370	<dl compact><dt><b>Parameters:</b></dt><dd>
371	<table border="0" cellspacing="2" cellpadding="0">
372	<tr><td valign="top"></td><td valign="top"><em>v</em> </td><td>The elements of <code>v</code> are copied into the new sparse vector </td></tr>
373	</table>
374	</dl>
375
376	<p>References <a class="el" href="svec_8h-source.html#l00326">itpp::Sparse_Vec< T >::check_small_elems_flag</a>, <a class="el" href="svec_8h-source.html#l00323">itpp::Sparse_Vec< T >::data</a>, <a class="el" href="svec_8h-source.html#l00322">itpp::Sparse_Vec< T >::data_size</a>, <a class="el" href="svec_8h-source.html#l00325">itpp::Sparse_Vec< T >::eps</a>, <a class="el" href="svec_8h-source.html#l00324">itpp::Sparse_Vec< T >::index</a>, <a class="el" href="svec_8h-source.html#l00322">itpp::Sparse_Vec< T >::used_size</a>, and <a class="el" href="svec_8h-source.html#l00322">itpp::Sparse_Vec< T >::v_size</a>.</p>
377
378	</div>
379	</div><p>
380	<a class="anchor" name="cafcd2a02b1c37ffb519b02afcff2e25"></a><!-- doxytag: member="itpp::Sparse_Vec::Sparse_Vec" ref="cafcd2a02b1c37ffb519b02afcff2e25" args="(const Vec< T > &v)" -->
381	<div class="memitem">
382	<div class="memproto">
383	<div class="memtemplate">
384	template<class T> </div>
385	<table class="memname">
386	<tr>
387	<td class="memname"><a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a> </td>
388	<td>(</td>
389	<td class="paramtype">const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > & </td>
390	<td class="paramname"> <em>v</em> </td>
391	<td> ) </td>
392	<td><code> [inline]</code></td>
393	</tr>
394	</table>
395	</div>
396	<div class="memdoc">
397
398	<p>
399	Initiate a new sparse vector from a dense vector.
400	<p>
401	<dl compact><dt><b>Parameters:</b></dt><dd>
402	<table border="0" cellspacing="2" cellpadding="0">
403	<tr><td valign="top"></td><td valign="top"><em>v</em> </td><td>The elements of <code>v</code> are copied into the new sparse vector </td></tr>
404	</table>
405	</dl>
406
407	<p>References <a class="el" href="svec_8h-source.html#l00543">itpp::Sparse_Vec< T >::compact()</a>, <a class="el" href="tcp_8h-source.html#l00115">itpp::min()</a>, <a class="el" href="svec_8h-source.html#l00520">itpp::Sparse_Vec< T >::resize_data()</a>, and <a class="el" href="vec_8h-source.html#l00277">itpp::Vec< Num_T >::size()</a>.</p>
408
409	</div>
410	</div><p>
411	<a class="anchor" name="11808d0c9a62f8a68707567efe82e19f"></a><!-- doxytag: member="itpp::Sparse_Vec::Sparse_Vec" ref="11808d0c9a62f8a68707567efe82e19f" args="(const Vec< T > &v, T epsilon)" -->
412	<div class="memitem">
413	<div class="memproto">
414	<div class="memtemplate">
415	template<class T> </div>
416	<table class="memname">
417	<tr>
418	<td class="memname"><a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::<a class="el" href="classitpp_1_1Sparse__Vec.html">Sparse_Vec</a> </td>
419	<td>(</td>
420	<td class="paramtype">const <a class="el" href="classitpp_1_1Vec.html">Vec</a>< T > & </td>
421	<td class="paramname"> <em>v</em>, </td>
422	</tr>
423	<tr>
424	<td class="paramkey"></td>
425	<td></td>
426	<td class="paramtype">T </td>
427	<td class="paramname"> <em>epsilon</em></td><td> </td>
428	</tr>
429	<tr>
430	<td></td>
431	<td>)</td>
432	<td></td><td></td><td><code> [inline]</code></td>
433	</tr>
434	</table>
435	</div>
436	<div class="memdoc">
437
438	<p>
439	Initiate a new sparse vector from a dense vector. Elements of <code>v</code> larger than <code>epsilon</code> are copied into the new sparse vector.
440	<p>
441	<dl class="note" compact><dt><b>Note:</b></dt><dd>If the type T is complex<double>, then the elements of <code>v</code> larger than <code>abs(epsilon)</code> are copied into the new sparse vector. </dd></dl>
442
443	<p>References <a class="el" href="fix__functions_8cpp-source.html#l00076">itpp::abs()</a>, <a class="el" href="svec_8h-source.html#l00543">itpp::Sparse_Vec< T >::compact()</a>, <a class="el" href="tcp_8h-source.html#l00115">itpp::min()</a>, <a class="el" href="svec_8h-source.html#l00520">itpp::Sparse_Vec< T >::resize_data()</a>, and <a class="el" href="vec_8h-source.html#l00277">itpp::Vec< Num_T >::size()</a>.</p>
444
445	</div>
446	</div><p>
447	<hr><h2>Member Function Documentation</h2>
448	<a class="anchor" name="f4a70276d329e74da185b4b331fbcfa6"></a><!-- doxytag: member="itpp::Sparse_Vec::remove_small_elements" ref="f4a70276d329e74da185b4b331fbcfa6" args="()" -->
449	<div class="memitem">
450	<div class="memproto">
451	<div class="memtemplate">
452	template<class T > </div>
453	<table class="memname">
454	<tr>
455	<td class="memname">void <a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::remove_small_elements </td>
456	<td>(</td>
457	<td class="paramname"> </td>
458	<td> ) </td>
459	<td><code> [inline]</code></td>
460	</tr>
461	</table>
462	</div>
463	<div class="memdoc">
464
465	<p>
466	Removes all elements that are smaller than <em>epsilon</em> from the non-zero elements.<p>
467	<dl class="note" compact><dt><b>Note:</b></dt><dd>The small element <em>epsilon</em> can be set by the member function set_small_element. If no small value is set, the default value is always <code>epsilon=0</code>. </dd></dl>
468
469	<p>References <a class="el" href="fix__functions_8cpp-source.html#l00076">itpp::abs()</a>.</p>
470
471	<p>Referenced by <a class="el" href="svec_8h-source.html#l00543">itpp::Sparse_Vec< T >::compact()</a>, <a class="el" href="svec_8h-source.html#l00476">itpp::Sparse_Vec< T >::density()</a>, <a class="el" href="svec_8h-source.html#l00247">itpp::Sparse_Vec< bin >::get_nz()</a>, <a class="el" href="svec_8h-source.html#l00223">itpp::Sparse_Vec< bin >::get_nz_data()</a>, <a class="el" href="svec_8h-source.html#l00239">itpp::Sparse_Vec< bin >::get_nz_index()</a>, <a class="el" href="svec_8h-source.html#l00151">itpp::Sparse_Vec< bin >::nnz()</a>, <a class="el" href="svec_8h-source.html#l00887">itpp::Sparse_Vec< T >::operator==()</a>, <a class="el" href="svec_8h-source.html#l00587">itpp::Sparse_Vec< T >::set()</a>, and <a class="el" href="svec_8h-source.html#l00486">itpp::Sparse_Vec< T >::set_small_element()</a>.</p>
472
473	</div>
474	</div><p>
475	<a class="anchor" name="e13e88712aafec410acce936dc708073"></a><!-- doxytag: member="itpp::Sparse_Vec::resize_data" ref="e13e88712aafec410acce936dc708073" args="(int new_size)" -->
476	<div class="memitem">
477	<div class="memproto">
478	<div class="memtemplate">
479	template<class T > </div>
480	<table class="memname">
481	<tr>
482	<td class="memname">void <a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::resize_data </td>
483	<td>(</td>
484	<td class="paramtype">int </td>
485	<td class="paramname"> <em>new_size</em> </td>
486	<td> ) </td>
487	<td><code> [inline]</code></td>
488	</tr>
489	</table>
490	</div>
491	<div class="memdoc">
492
493	<p>
494	Set the maximum number of non-zero elements to <code>new_size</code>.
495	<p>
496	<dl compact><dt><b>Parameters:</b></dt><dd>
497	<table border="0" cellspacing="2" cellpadding="0">
498	<tr><td valign="top"></td><td valign="top"><em>new_size</em> </td><td>The new maximum number of non-zero elements. </td></tr>
499	</table>
500	</dl>
501
502	<p>References <a class="el" href="itassert_8h-source.html#l00094">it_assert</a>.</p>
503
504	<p>Referenced by <a class="el" href="svec_8h-source.html#l00665">itpp::Sparse_Vec< T >::add()</a>, <a class="el" href="svec_8h-source.html#l00637">itpp::Sparse_Vec< T >::add_elem()</a>, <a class="el" href="svec_8h-source.html#l00543">itpp::Sparse_Vec< T >::compact()</a>, <a class="el" href="svec_8h-source.html#l00800">itpp::Sparse_Vec< T >::get_subvector()</a>, <a class="el" href="svec_8h-source.html#l00850">itpp::Sparse_Vec< T >::operator=()</a>, <a class="el" href="svec_8h-source.html#l00587">itpp::Sparse_Vec< T >::set()</a>, <a class="el" href="svec_8h-source.html#l00622">itpp::Sparse_Vec< T >::set_new()</a>, and <a class="el" href="svec_8h-source.html#l00414">itpp::Sparse_Vec< T >::Sparse_Vec()</a>.</p>
505
506	</div>
507	</div><p>
508	<a class="anchor" name="1f542b437bdf9942b3f386ccc6e53577"></a><!-- doxytag: member="itpp::Sparse_Vec::set_size" ref="1f542b437bdf9942b3f386ccc6e53577" args="(int sz, int data_init=-1)" -->
509	<div class="memitem">
510	<div class="memproto">
511	<div class="memtemplate">
512	template<class T > </div>
513	<table class="memname">
514	<tr>
515	<td class="memname">void <a class="el" href="classitpp_1_1Sparse__Vec.html">itpp::Sparse_Vec</a>< T >::set_size </td>
516	<td>(</td>
517	<td class="paramtype">int </td>
518	<td class="paramname"> <em>sz</em>, </td>
519	</tr>
520	<tr>
521	<td class="paramkey"></td>
522	<td></td>
523	<td class="paramtype">int </td>
524	<td class="paramname"> <em>data_init</em> = <code>-1</code></td><td> </td>
525	</tr>
526	<tr>
527	<td></td>
528	<td>)</td>
529	<td></td><td></td><td><code> [inline]</code></td>
530	</tr>
531	</table>
532	</div>
533	<div class="memdoc">
534
535	<p>
536	Set the size <code>sz</code> of the sparse vector. Default value <code>data_init=-1</code> <code>=></code> allocated size for the data is not changed.
537	<p>
538	<dl compact><dt><b>Parameters:</b></dt><dd>
539	<table border="0" cellspacing="2" cellpadding="0">
540	<tr><td valign="top"></td><td valign="top"><em>sz</em> </td><td>Size of the sparse vector (i.e. maximum index is (<code>sz</code> - 1)) </td></tr>
541	<tr><td valign="top"></td><td valign="top"><em>data_init</em> </td><td>Maximum number of non-zero elements in the sparse vector (default value -1 <code>=></code> allocated size for the data is not changed) </td></tr>
542	</table>
543	</dl>
544
545	</div>
546	</div><p>
547	<hr>The documentation for this class was generated from the following file:<ul>
548	<li><a class="el" href="svec_8h-source.html">svec.h</a></ul>
549	</div>
550	<hr size="1"><address style="text-align: right;"><small>Generated on Tue Jun 2 10:02:19 2009 for mixpp by
551	<a href="http://www.doxygen.org/index.html">
552	<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
553	</body>
554	</html>

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