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65<h1>resampling.h</h1><a href="resampling_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
66<a name="l00029"></a>00029 <span class="preprocessor">#ifndef RESAMPLING_H</span>
67<a name="l00030"></a>00030 <span class="preprocessor"></span><span class="preprocessor">#define RESAMPLING_H</span>
68<a name="l00031"></a>00031 <span class="preprocessor"></span>
69<a name="l00032"></a>00032 <span class="preprocessor">#include &lt;<a class="code" href="mat_8h.html" title="Matrix Class Definitions.">itpp/base/mat.h</a>&gt;</span>
70<a name="l00033"></a>00033
71<a name="l00034"></a>00034
72<a name="l00035"></a>00035 <span class="keyword">namespace </span>itpp
73<a name="l00036"></a>00036 {
74<a name="l00037"></a>00037
75<a name="l00043"></a>00043
76<a name="l00044"></a>00044 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
77<a name="l00045"></a><a class="code" href="group__resampling.html#g2a106693933d6a64e19d49788fe859c0">00045</a> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> norepeats)
78<a name="l00046"></a>00046 {
79<a name="l00047"></a>00047   <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> temp(v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>()*norepeats);
80<a name="l00048"></a>00048
81<a name="l00049"></a>00049   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>(); i++) {
82<a name="l00050"></a>00050     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0;j &lt; norepeats;j++)
83<a name="l00051"></a>00051       temp(i*norepeats + j) = v(i);
84<a name="l00052"></a>00052   }
85<a name="l00053"></a>00053   <span class="keywordflow">return</span> temp;
86<a name="l00054"></a>00054 }
87<a name="l00055"></a>00055
88<a name="l00057"></a>00057 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
89<a name="l00058"></a><a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066">00058</a> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;m, <span class="keywordtype">int</span> norepeats)
90<a name="l00059"></a>00059 {
91<a name="l00060"></a>00060   <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> temp(m.<a class="code" href="classitpp_1_1Mat.html#f3028609c01e08fb07c5bf0bcd4c4e03" title="The number of rows.">rows</a>(), m.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>()*norepeats);
92<a name="l00061"></a>00061
93<a name="l00062"></a>00062   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; m.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>(); j++) {
94<a name="l00063"></a>00063     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0;i &lt; norepeats;i++) {
95<a name="l00064"></a>00064       temp.<a class="code" href="classitpp_1_1Mat.html#4fb84a9b5cef1a6dc31bd7d5317bb077" title="Set column c to vector v.">set_col</a>(j*norepeats + i, m.<a class="code" href="classitpp_1_1Mat.html#095a4e54f39932b62633f7f4f252ab46" title="Get column c.">get_col</a>(j));
96<a name="l00065"></a>00065     }
97<a name="l00066"></a>00066   }
98<a name="l00067"></a>00067   <span class="keywordflow">return</span> temp;
99<a name="l00068"></a>00068 }
100<a name="l00069"></a>00069
101<a name="l00071"></a>00071 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
102<a name="l00072"></a><a class="code" href="group__resampling.html#g409569431add128d605854bb0d70ac00">00072</a> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> usf, <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;u)
103<a name="l00073"></a>00073 {
104<a name="l00074"></a>00074   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(usf &gt;= 1, <span class="stringliteral">"upsample: upsampling factor must be equal or greater than one"</span>);
105<a name="l00075"></a>00075   u.<a class="code" href="classitpp_1_1Vec.html#a4b02b7819e540bb3853c15e6480ada6" title="Set length of vector. if copy = true then keeping the old values.">set_size</a>(v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>()*usf);
106<a name="l00076"></a>00076   u.<a class="code" href="classitpp_1_1Vec.html#6f2f64c04ed8adb0d9be53e0266d875d" title="Set the vector to the all zero vector.">clear</a>();
107<a name="l00077"></a>00077   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0;i &lt; v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>();i++)
108<a name="l00078"></a>00078     u(i*usf) = v(i);
109<a name="l00079"></a>00079 }
110<a name="l00080"></a>00080
111<a name="l00081"></a>00081
112<a name="l00083"></a>00083 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
113<a name="l00084"></a><a class="code" href="group__resampling.html#g545014c4dbe883f23d16ce38ffeeb50b">00084</a> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> usf)
114<a name="l00085"></a>00085 {
115<a name="l00086"></a>00086   <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> u;
116<a name="l00087"></a>00087   <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(v, usf, u);
117<a name="l00088"></a>00088   <span class="keywordflow">return</span> u;
118<a name="l00089"></a>00089 }
119<a name="l00090"></a>00090
120<a name="l00092"></a>00092 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
121<a name="l00093"></a><a class="code" href="group__resampling.html#gc2b6aa536f2c5b6996d01bb22f8b7ccb">00093</a> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> usf, <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;u)
122<a name="l00094"></a>00094 {
123<a name="l00095"></a>00095   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(usf &gt;= 1, <span class="stringliteral">"upsample: upsampling factor must be equal or greater than one"</span>);
124<a name="l00096"></a>00096   u.<a class="code" href="classitpp_1_1Mat.html#1136d376109f2af8843593bccf9de88f" title="Set size of matrix. If copy = true then keep the data before resizing.">set_size</a>(v.<a class="code" href="classitpp_1_1Mat.html#f3028609c01e08fb07c5bf0bcd4c4e03" title="The number of rows.">rows</a>(), v.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>()*usf);
125<a name="l00097"></a>00097   u.<a class="code" href="classitpp_1_1Mat.html#1682c299a3a2a65fef1764136ea8f344" title="Set matrix equal to the all zero matrix.">clear</a>();
126<a name="l00098"></a>00098   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0;j &lt; v.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>();j++)
127<a name="l00099"></a>00099     u.<a class="code" href="classitpp_1_1Mat.html#4fb84a9b5cef1a6dc31bd7d5317bb077" title="Set column c to vector v.">set_col</a>(j*usf, v.<a class="code" href="classitpp_1_1Mat.html#095a4e54f39932b62633f7f4f252ab46" title="Get column c.">get_col</a>(j));
128<a name="l00100"></a>00100 }
129<a name="l00101"></a>00101
130<a name="l00103"></a>00103 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
131<a name="l00104"></a><a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd">00104</a> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> usf)
132<a name="l00105"></a>00105 {
133<a name="l00106"></a>00106   <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> u;
134<a name="l00107"></a>00107   <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(v, usf, u);
135<a name="l00108"></a>00108   <span class="keywordflow">return</span> u;
136<a name="l00109"></a>00109 }
137<a name="l00110"></a>00110
138<a name="l00112"></a>00112 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
139<a name="l00113"></a><a class="code" href="group__resampling.html#g1edce5495e12ba4bf56c55eafceb3ccf">00113</a> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;m, <span class="keywordtype">int</span> usf, <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;u)
140<a name="l00114"></a>00114 {
141<a name="l00115"></a>00115   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(usf &gt;= 1, <span class="stringliteral">"lininterp: upsampling factor must be equal or greater than one"</span>);
142<a name="l00116"></a>00116   <span class="keywordtype">int</span> L = (m.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>() - 1) * usf + 1;
143<a name="l00117"></a>00117   u.<a class="code" href="classitpp_1_1Mat.html#1136d376109f2af8843593bccf9de88f" title="Set size of matrix. If copy = true then keep the data before resizing.">set_size</a>(m.<a class="code" href="classitpp_1_1Mat.html#f3028609c01e08fb07c5bf0bcd4c4e03" title="The number of rows.">rows</a>(), L);
144<a name="l00118"></a>00118   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; m.<a class="code" href="classitpp_1_1Mat.html#f3028609c01e08fb07c5bf0bcd4c4e03" title="The number of rows.">rows</a>(); i++) {
145<a name="l00119"></a>00119     <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; L - 1; j++)
146<a name="l00120"></a>00120       u(i, j) = (m(i, j / usf) + (j % usf) / ((<span class="keywordtype">double</span>)usf) * (m(i, (j + usf) / usf) - m(i, j / usf)));
147<a name="l00121"></a>00121     u(i, L - 1) = m(i, m.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>() - 1);
148<a name="l00122"></a>00122   }
149<a name="l00123"></a>00123 }
150<a name="l00124"></a>00124
151<a name="l00135"></a>00135 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
152<a name="l00136"></a><a class="code" href="group__resampling.html#ga10c80518f9c703ac2fd0e17d109d507">00136</a> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;m, <span class="keywordtype">double</span> f_base, <span class="keywordtype">double</span> f_ups,
153<a name="l00137"></a>00137                  <span class="keywordtype">int</span> nrof_samples, <span class="keywordtype">double</span> t_start = 0)
154<a name="l00138"></a>00138 {
155<a name="l00139"></a>00139   <span class="keywordtype">double</span> t_base = 1 / f_base;
156<a name="l00140"></a>00140   <span class="keywordtype">double</span> t_ups = 1 / f_ups;
157<a name="l00141"></a>00141   <span class="keywordtype">int</span> rows = m.<a class="code" href="classitpp_1_1Mat.html#f3028609c01e08fb07c5bf0bcd4c4e03" title="The number of rows.">rows</a>();
158<a name="l00142"></a>00142   <span class="keywordtype">int</span> cols = m.<a class="code" href="classitpp_1_1Mat.html#49680ef454d1d75b737e3ce157f1ac7b" title="The number of columns.">cols</a>();
159<a name="l00143"></a>00143   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(f_ups &gt; f_base, <span class="stringliteral">"lininterp(): upsampled frequency must be greater than base frequency"</span>);
160<a name="l00144"></a>00144   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>((t_start &gt;= 0) &amp;&amp; (t_start &lt; cols * t_base), <span class="stringliteral">"lininterp(): incorrect start time offset"</span>);
161<a name="l00145"></a>00145   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>((nrof_samples * t_ups + t_start) &lt;= (cols * t_base), <span class="stringliteral">"lininterp(): too many samples required or input data to short"</span>);
162<a name="l00146"></a>00146   <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> u(rows, nrof_samples);
163<a name="l00147"></a>00147   <span class="keywordtype">double</span> curr_time = t_start;
164<a name="l00148"></a>00148
165<a name="l00149"></a>00149   <span class="keywordtype">int</span> i = 0;
166<a name="l00150"></a>00150   <span class="keywordtype">int</span> k = 0;
167<a name="l00151"></a>00151   <span class="keywordflow">while</span> (i &lt; cols - 1) {
168<a name="l00152"></a>00152     <span class="keywordflow">while</span> ((curr_time &lt; (i + 1) * t_base) &amp;&amp; (k &lt; nrof_samples)) {
169<a name="l00153"></a>00153       <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; rows; j++) {
170<a name="l00154"></a>00154         u(j, k) = (m(j, i) * ((i + 1) * t_base - curr_time)
171<a name="l00155"></a>00155                    - m(j, i + 1) * (i * t_base - curr_time)) / t_base;
172<a name="l00156"></a>00156       }
173<a name="l00157"></a>00157       k++;
174<a name="l00158"></a>00158       curr_time += t_ups;
175<a name="l00159"></a>00159     }
176<a name="l00160"></a>00160     i++;
177<a name="l00161"></a>00161   }
178<a name="l00162"></a>00162   <span class="keywordflow">return</span> u;
179<a name="l00163"></a>00163 }
180<a name="l00164"></a>00164
181<a name="l00166"></a>00166 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
182<a name="l00167"></a><a class="code" href="group__resampling.html#gc471270a0106fc66cecaa0d3463ef709">00167</a> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> &amp;m, <span class="keywordtype">int</span> usf)
183<a name="l00168"></a>00168 {
184<a name="l00169"></a>00169   <a class="code" href="classitpp_1_1Mat.html">Mat&lt;T&gt;</a> u;
185<a name="l00170"></a>00170   <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(m, usf, u);
186<a name="l00171"></a>00171   <span class="keywordflow">return</span> u;
187<a name="l00172"></a>00172 }
188<a name="l00173"></a>00173
189<a name="l00175"></a>00175 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
190<a name="l00176"></a><a class="code" href="group__resampling.html#g4688220afd94dfd1e0c9ad3a170f6ad0">00176</a> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> usf, <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;u)
191<a name="l00177"></a>00177 {
192<a name="l00178"></a>00178   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(usf &gt;= 1, <span class="stringliteral">"lininterp(): upsampling factor must be equal or greater than one"</span>);
193<a name="l00179"></a>00179   <span class="keywordtype">int</span> L = (v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>() - 1) * usf + 1;
194<a name="l00180"></a>00180   u.<a class="code" href="classitpp_1_1Vec.html#a4b02b7819e540bb3853c15e6480ada6" title="Set length of vector. if copy = true then keeping the old values.">set_size</a>(L);
195<a name="l00181"></a>00181   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j = 0; j &lt; L - 1; j++) {
196<a name="l00182"></a>00182     u(j) = (v(j / usf) + (j % usf) / ((<span class="keywordtype">double</span>)usf) * (v((j + usf) / usf) - v(j / usf)));
197<a name="l00183"></a>00183   }
198<a name="l00184"></a>00184   u(L - 1) = v(v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>() - 1);
199<a name="l00185"></a>00185 }
200<a name="l00186"></a>00186
201<a name="l00188"></a>00188 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
202<a name="l00189"></a><a class="code" href="group__resampling.html#g1419d1dc1df2d6a98286f46c06f37768">00189</a> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;v, <span class="keywordtype">int</span> usf)
203<a name="l00190"></a>00190 {
204<a name="l00191"></a>00191   <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> u;
205<a name="l00192"></a>00192   <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(v, usf, u);
206<a name="l00193"></a>00193   <span class="keywordflow">return</span> u;
207<a name="l00194"></a>00194 }
208<a name="l00195"></a>00195
209<a name="l00206"></a>00206 <span class="keyword">template</span>&lt;<span class="keyword">class</span> T&gt;
210<a name="l00207"></a><a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01">00207</a> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> &amp;v, <span class="keywordtype">double</span> f_base, <span class="keywordtype">double</span> f_ups,
211<a name="l00208"></a>00208                  <span class="keywordtype">int</span> nrof_samples, <span class="keywordtype">double</span> t_start = 0)
212<a name="l00209"></a>00209 {
213<a name="l00210"></a>00210   <span class="keywordtype">double</span> t_base = 1 / f_base;
214<a name="l00211"></a>00211   <span class="keywordtype">double</span> t_ups = 1 / f_ups;
215<a name="l00212"></a>00212   <span class="keywordtype">int</span> len = v.<a class="code" href="classitpp_1_1Vec.html#44478ea086eda22a180102e77e352325" title="The size of the vector.">length</a>();
216<a name="l00213"></a>00213   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>(f_ups &gt; f_base, <span class="stringliteral">"lininterp(): upsampled frequency must be greater than base frequency"</span>);
217<a name="l00214"></a>00214   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>((t_start &gt;= 0) &amp;&amp; (t_start &lt; len * t_base), <span class="stringliteral">"lininterp(): incorrect start time offset"</span>);
218<a name="l00215"></a>00215   <a class="code" href="group__errorhandlingfunc.html#gb319550e696ee9d824d23c2a176bc3a6" title="Abort if t is not true and NDEBUG is not defined.">it_assert_debug</a>((nrof_samples * t_ups + t_start) &lt;= (len * t_base), <span class="stringliteral">"lininterp(): too many samples required or input data to short"</span>);
219<a name="l00216"></a>00216   <a class="code" href="classitpp_1_1Vec.html">Vec&lt;T&gt;</a> u(nrof_samples);
220<a name="l00217"></a>00217   <span class="keywordtype">double</span> curr_time = t_start;
221<a name="l00218"></a>00218
222<a name="l00219"></a>00219   <span class="keywordtype">int</span> i = 0;
223<a name="l00220"></a>00220   <span class="keywordtype">int</span> k = 0;
224<a name="l00221"></a>00221   <span class="keywordflow">while</span> (i &lt; len - 1) {
225<a name="l00222"></a>00222     <span class="keywordflow">while</span> ((curr_time &lt; (i + 1) * t_base) &amp;&amp; (k &lt; nrof_samples)) {
226<a name="l00223"></a>00223       u(k) = (v(i) * ((i + 1) * t_base - curr_time)
227<a name="l00224"></a>00224               - v(i + 1) * (i * t_base - curr_time)) / t_base;
228<a name="l00225"></a>00225       k++;
229<a name="l00226"></a>00226       curr_time += t_ups;
230<a name="l00227"></a>00227     }
231<a name="l00228"></a>00228     i++;
232<a name="l00229"></a>00229   }
233<a name="l00230"></a>00230   <span class="keywordflow">return</span> u;
234<a name="l00231"></a>00231 }
235<a name="l00232"></a>00232
236<a name="l00237"></a>00237 <span class="preprocessor">#ifndef _MSC_VER</span>
237<a name="l00238"></a>00238 <span class="preprocessor"></span>
238<a name="l00239"></a>00239 <span class="comment">// ----------------------------------------------------------------------</span>
239<a name="l00240"></a>00240 <span class="comment">// Instantiations</span>
240<a name="l00241"></a>00241 <span class="comment">// ----------------------------------------------------------------------</span>
241<a name="l00242"></a>00242
242<a name="l00244"></a>00244 <span class="keyword">extern</span> <span class="keyword">template</span> vec <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> vec &amp;v, <span class="keywordtype">int</span> norepeats);
243<a name="l00246"></a>00246 <span class="keyword">extern</span> <span class="keyword">template</span> cvec <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> cvec &amp;v, <span class="keywordtype">int</span> norepeats);
244<a name="l00248"></a>00248 <span class="keyword">extern</span> <span class="keyword">template</span> svec <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> svec &amp;v, <span class="keywordtype">int</span> norepeats);
245<a name="l00250"></a>00250 <span class="keyword">extern</span> <span class="keyword">template</span> ivec <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> ivec &amp;v, <span class="keywordtype">int</span> norepeats);
246<a name="l00252"></a>00252 <span class="keyword">extern</span> <span class="keyword">template</span> bvec <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> bvec &amp;v, <span class="keywordtype">int</span> norepeats);
247<a name="l00253"></a>00253
248<a name="l00255"></a>00255 <span class="keyword">extern</span> <span class="keyword">template</span> mat <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> mat &amp;m, <span class="keywordtype">int</span> norepeats);
249<a name="l00257"></a>00257 <span class="keyword">extern</span> <span class="keyword">template</span> cmat <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> cmat &amp;m, <span class="keywordtype">int</span> norepeats);
250<a name="l00259"></a>00259 <span class="keyword">extern</span> <span class="keyword">template</span> smat <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> smat &amp;m, <span class="keywordtype">int</span> norepeats);
251<a name="l00261"></a>00261 <span class="keyword">extern</span> <span class="keyword">template</span> imat <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> imat &amp;m, <span class="keywordtype">int</span> norepeats);
252<a name="l00263"></a>00263 <span class="keyword">extern</span> <span class="keyword">template</span> <a class="code" href="mat_8h.html#f90acd1af41bf2d1d8a4bb23662fff69" title="bin matrix">bmat</a> <a class="code" href="group__resampling.html#g9ff080d07845bcd2856aa13eff71b066" title="Repeats each column norepeats times in sequence.">repeat</a>(<span class="keyword">const</span> <a class="code" href="mat_8h.html#f90acd1af41bf2d1d8a4bb23662fff69" title="bin matrix">bmat</a> &amp;m, <span class="keywordtype">int</span> norepeats);
253<a name="l00264"></a>00264
254<a name="l00266"></a>00266 <span class="keyword">extern</span> <span class="keyword">template</span> vec <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> vec &amp;v, <span class="keywordtype">int</span> usf);
255<a name="l00268"></a>00268 <span class="keyword">extern</span> <span class="keyword">template</span> cvec <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> cvec &amp;v, <span class="keywordtype">int</span> usf);
256<a name="l00270"></a>00270 <span class="keyword">extern</span> <span class="keyword">template</span> svec <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> svec &amp;v, <span class="keywordtype">int</span> usf);
257<a name="l00272"></a>00272 <span class="keyword">extern</span> <span class="keyword">template</span> ivec <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> ivec &amp;v, <span class="keywordtype">int</span> usf);
258<a name="l00274"></a>00274 <span class="keyword">extern</span> <span class="keyword">template</span> bvec <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> bvec &amp;v, <span class="keywordtype">int</span> usf);
259<a name="l00275"></a>00275
260<a name="l00277"></a>00277 <span class="keyword">extern</span> <span class="keyword">template</span> mat <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> mat &amp;v, <span class="keywordtype">int</span> usf);
261<a name="l00279"></a>00279 <span class="keyword">extern</span> <span class="keyword">template</span> cmat <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> cmat &amp;v, <span class="keywordtype">int</span> usf);
262<a name="l00281"></a>00281 <span class="keyword">extern</span> <span class="keyword">template</span> smat <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> smat &amp;v, <span class="keywordtype">int</span> usf);
263<a name="l00283"></a>00283 <span class="keyword">extern</span> <span class="keyword">template</span> imat <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> imat &amp;v, <span class="keywordtype">int</span> usf);
264<a name="l00285"></a>00285 <span class="keyword">extern</span> <span class="keyword">template</span> <a class="code" href="mat_8h.html#f90acd1af41bf2d1d8a4bb23662fff69" title="bin matrix">bmat</a> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> <a class="code" href="mat_8h.html#f90acd1af41bf2d1d8a4bb23662fff69" title="bin matrix">bmat</a> &amp;v, <span class="keywordtype">int</span> usf);
265<a name="l00286"></a>00286
266<a name="l00288"></a>00288 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> vec &amp;v, <span class="keywordtype">int</span> usf,  vec &amp;u);
267<a name="l00290"></a>00290 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> cvec &amp;v, <span class="keywordtype">int</span> usf,  cvec &amp;u);
268<a name="l00292"></a>00292 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> svec &amp;v, <span class="keywordtype">int</span> usf,  svec &amp;u);
269<a name="l00294"></a>00294 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> ivec &amp;v, <span class="keywordtype">int</span> usf,  ivec &amp;u);
270<a name="l00296"></a>00296 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> bvec &amp;v, <span class="keywordtype">int</span> usf,  bvec &amp;u);
271<a name="l00297"></a>00297
272<a name="l00299"></a>00299 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> mat &amp;v, <span class="keywordtype">int</span> usf,  mat &amp;u);
273<a name="l00301"></a>00301 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> cmat &amp;v, <span class="keywordtype">int</span> usf,  cmat &amp;u);
274<a name="l00303"></a>00303 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> smat &amp;v, <span class="keywordtype">int</span> usf,  smat &amp;u);
275<a name="l00305"></a>00305 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> imat &amp;v, <span class="keywordtype">int</span> usf,  imat &amp;u);
276<a name="l00307"></a>00307 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#g3d871a62ec6d1cebc121b191eefaefdd" title="Upsample each column by inserting (usf-1) zeros after each column.">upsample</a>(<span class="keyword">const</span> <a class="code" href="mat_8h.html#f90acd1af41bf2d1d8a4bb23662fff69" title="bin matrix">bmat</a> &amp;v, <span class="keywordtype">int</span> usf,  <a class="code" href="mat_8h.html#f90acd1af41bf2d1d8a4bb23662fff69" title="bin matrix">bmat</a> &amp;u);
277<a name="l00308"></a>00308
278<a name="l00310"></a>00310 <span class="keyword">extern</span> <span class="keyword">template</span> vec <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> vec &amp;v, <span class="keywordtype">int</span> usf);
279<a name="l00312"></a>00312 <span class="keyword">extern</span> <span class="keyword">template</span> cvec <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> cvec &amp;v, <span class="keywordtype">int</span> usf);
280<a name="l00313"></a>00313
281<a name="l00315"></a>00315 <span class="keyword">extern</span> <span class="keyword">template</span> mat <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> mat &amp;v, <span class="keywordtype">int</span> usf);
282<a name="l00317"></a>00317 <span class="keyword">extern</span> <span class="keyword">template</span> cmat <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> cmat &amp;v, <span class="keywordtype">int</span> usf);
283<a name="l00318"></a>00318
284<a name="l00320"></a>00320 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> vec &amp;v, <span class="keywordtype">int</span> usf,  vec &amp;u);
285<a name="l00322"></a>00322 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> cvec &amp;v, <span class="keywordtype">int</span> usf,  cvec &amp;u);
286<a name="l00323"></a>00323
287<a name="l00325"></a>00325 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> mat &amp;v, <span class="keywordtype">int</span> usf,  mat &amp;u);
288<a name="l00327"></a>00327 <span class="keyword">extern</span> <span class="keyword">template</span> <span class="keywordtype">void</span> <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> cmat &amp;v, <span class="keywordtype">int</span> usf,  cmat &amp;u);
289<a name="l00328"></a>00328
290<a name="l00330"></a>00330 <span class="keyword">extern</span> <span class="keyword">template</span> mat <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> mat &amp;m, <span class="keywordtype">double</span> f_base, <span class="keywordtype">double</span> f_ups, <span class="keywordtype">int</span> nrof_samples, <span class="keywordtype">double</span> t_start);
291<a name="l00332"></a>00332 <span class="keyword">extern</span> <span class="keyword">template</span> cmat <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> cmat &amp;m, <span class="keywordtype">double</span> f_base, <span class="keywordtype">double</span> f_ups, <span class="keywordtype">int</span> nrof_samples, <span class="keywordtype">double</span> t_start);
292<a name="l00333"></a>00333
293<a name="l00335"></a>00335 <span class="keyword">extern</span> <span class="keyword">template</span> vec <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> vec &amp;v, <span class="keywordtype">double</span> f_base, <span class="keywordtype">double</span> f_ups, <span class="keywordtype">int</span> nrof_samples, <span class="keywordtype">double</span> t_start);
294<a name="l00337"></a>00337 <span class="keyword">extern</span> <span class="keyword">template</span> cvec <a class="code" href="group__resampling.html#gc93cd1b7a5f6c6def70930bb63035f01" title="Upsample vector v to achieve f_ups frequency using linear interpolation.">lininterp</a>(<span class="keyword">const</span> cvec &amp;v, <span class="keywordtype">double</span> f_base, <span class="keywordtype">double</span> f_ups, <span class="keywordtype">int</span> nrof_samples, <span class="keywordtype">double</span> t_start);
295<a name="l00338"></a>00338
296<a name="l00339"></a>00339 <span class="preprocessor">#endif</span>
297<a name="l00340"></a>00340 <span class="preprocessor"></span>
298<a name="l00341"></a>00341 } <span class="comment">// namespace itpp</span>
299<a name="l00342"></a>00342
300<a name="l00343"></a>00343 <span class="preprocessor">#endif // #ifndef RESAMPLING_H</span>
301<a name="l00344"></a>00344 <span class="preprocessor"></span>
302</pre></div></div>
303<hr size="1"><address style="text-align: right;"><small>Generated on Tue Jun 2 10:02:12 2009 for mixpp by&nbsp;
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