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von raredesign | Dez 3, 2019 | Allgemein | 0 Kommentare
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<a href="SpectrumConversions_8cxx.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/*</span></div>
<div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Copyright (c) 2004 MUSIC TECHNOLOGY GROUP (MTG)</span></div>
<div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * UNIVERSITAT POMPEU FABRA</span></div>
<div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This program is free software; you can redistribute it and/or modify</span></div>
<div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * it under the terms of the GNU General Public License as published by</span></div>
<div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> * the Free Software Foundation; either version 2 of the License, or</span></div>
<div class="line"><a name="l00009"></a><span class="lineno"> 9</span> <span class="comment"> * (at your option) any later version.</span></div>
<div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="comment"> * This program is distributed in the hope that it will be useful,</span></div>
<div class="line"><a name="l00012"></a><span class="lineno"> 12</span> <span class="comment"> * but WITHOUT ANY WARRANTY; without even the implied warranty of</span></div>
<div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="comment"> * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the</span></div>
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="comment"> * GNU General Public License for more details.</span></div>
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00016"></a><span class="lineno"> 16</span> <span class="comment"> * You should have received a copy of the GNU General Public License</span></div>
<div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="comment"> * along with this program; if not, write to the Free Software</span></div>
<div class="line"><a name="l00018"></a><span class="lineno"> 18</span> <span class="comment"> * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA</span></div>
<div class="line"><a name="l00019"></a><span class="lineno"> 19</span> <span class="comment"> *</span></div>
<div class="line"><a name="l00020"></a><span class="lineno"> 20</span> <span class="comment"> */</span></div>
<div class="line"><a name="l00021"></a><span class="lineno"> 21</span> </div>
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span> <span class="preprocessor">#include "<a class="code" href="SpectrumConversions_8hxx.html">SpectrumConversions.hxx</a>"</span></div>
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span> <span class="preprocessor">#include "<a class="code" href="DataTypes_8hxx.html">DataTypes.hxx</a>"</span></div>
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="preprocessor">#include "<a class="code" href="CLAM__Math_8hxx.html">CLAM_Math.hxx</a>"</span></div>
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span> </div>
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span> <span class="keyword">namespace </span>CLAM</div>
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span> {</div>
<div class="line"><a name="l00028"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe"> 28</a></span>  <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> size, <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& buffer )</div>
<div class="line"><a name="l00029"></a><span class="lineno"> 29</span>  {</div>
<div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keywordflow">if</span> ( buffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>() != size )</div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  {</div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span>  buffer.<a class="code" href="classCLAM_1_1Array.html#a811565ea3bbfe0bc9fa7c4e48b3210e4">Resize</a>( size );</div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span>  buffer.<a class="code" href="classCLAM_1_1Array.html#a6abe700dc818ed27bf14d9cbf69c5738">SetSize</a>( size );</div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  }</div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  }</div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span> </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> </div>
<div class="line"><a name="l00038"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#abb48665e821bb2666498b23bc527051d"> 38</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#abb48665e821bb2666498b23bc527051d">Polar2MagPhase</a> ( <span class="keyword">const</span> <a class="code" href="classCLAM_1_1Array.html">Array<Polar></a>& polarBuffer, <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& magBuffer, </div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& phaseBuffer )</div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  {</div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span>  <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins = polarBuffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> </div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  <span class="comment">// target buffers resizing if necessary</span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, magBuffer );</div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, phaseBuffer );</div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00048"></a><span class="lineno"> 48</span>  <span class="keywordflow">for</span> ( <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span>  {</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span>  magBuffer[i] = polarBuffer[i].Mag();</div>
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  phaseBuffer[i] = polarBuffer[i].Ang();</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  }</div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  } </div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> </div>
<div class="line"><a name="l00055"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#a31af913c9b4d013f3922e5b67aa65372"> 55</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#a31af913c9b4d013f3922e5b67aa65372">Complex2MagPhase</a>( <span class="keyword">const</span> <a class="code" href="classCLAM_1_1Array.html">Array<Complex></a>& complBuffer, <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& magBuffer, <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& phaseBuffer )</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  {</div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins = complBuffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div>
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, magBuffer );</div>
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, phaseBuffer );</div>
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div>
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  <span class="keywordflow">for</span> ( <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  {</div>
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  magBuffer[i] = complBuffer[i].Mag();</div>
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  phaseBuffer[i] = complBuffer[i].Ang();</div>
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  }</div>
<div class="line"><a name="l00069"></a><span class="lineno"> 69</span>  }</div>
<div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div>
<div class="line"><a name="l00071"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#aa9ee2a346b5f1120da5bdf3e413eb9af"> 71</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#aa9ee2a346b5f1120da5bdf3e413eb9af">BPF2MagPhase</a>( <span class="keyword">const</span> <a class="code" href="classCLAM_1_1BPFTmpl.html">BPF</a>& magBpf, </div>
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  <span class="keyword">const</span> <a class="code" href="classCLAM_1_1BPFTmpl.html">BPF</a>& phaseBpf,</div>
<div class="line"><a name="l00073"></a><span class="lineno"> 73</span>  <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& magBuffer, </div>
<div class="line"><a name="l00074"></a><span class="lineno"> 74</span>  <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& phaseBuffer, </div>
<div class="line"><a name="l00075"></a><span class="lineno"> 75</span>  <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins, </div>
<div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> specRange )</div>
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span>  {</div>
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, magBuffer );</div>
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, phaseBuffer );</div>
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div>
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> delta = specRange/<a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>(nBins-1);</div>
<div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> freq = 0;</div>
<div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div>
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordflow">for</span> ( <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  {</div>
<div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  magBuffer[i] = magBpf.<a class="code" href="classCLAM_1_1BPFTmpl.html#a5fea9388c992610712bf4f006ce65cdd" title="Getting the value of a point from the value of its X component.">GetValue</a>( freq );</div>
<div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  phaseBuffer[i] = phaseBpf.<a class="code" href="classCLAM_1_1BPFTmpl.html#a5fea9388c992610712bf4f006ce65cdd" title="Getting the value of a point from the value of its X component.">GetValue</a>( freq );</div>
<div class="line"><a name="l00088"></a><span class="lineno"> 88</span> </div>
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span>  freq += delta;</div>
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  }</div>
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  }</div>
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div>
<div class="line"><a name="l00093"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#ae097ec1f3037b01f54b9dcb4de6d2967"> 93</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#ae097ec1f3037b01f54b9dcb4de6d2967">Log2LinearMagnitude</a>( <span class="keyword">const</span> <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& logBuffer, <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& linBuffer )</div>
<div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  {</div>
<div class="line"><a name="l00095"></a><span class="lineno"> 95</span>  <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins = logBuffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> inv_20 = 1.0f/20.0f;</div>
<div class="line"><a name="l00097"></a><span class="lineno"> 97</span> </div>
<div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, linBuffer );</div>
<div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div>
<div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  {</div>
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  linBuffer[i] = <a class="code" href="CLAM__Math_8hxx.html#a2515fc92d941513000b6d446a1e1a176">CLAM_pow</a>( <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>(10), logBuffer[i]*inv_20 ) ;</div>
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  }</div>
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  }</div>
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div>
<div class="line"><a name="l00106"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#ad0b4f1de481be41b14e8c93d71abefd5"> 106</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#ae097ec1f3037b01f54b9dcb4de6d2967">Log2LinearMagnitude</a>( <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& dataBuffer )</div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  {</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins = dataBuffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keyword">static</span> <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a> inv_20 = 1.0f/20.0f;</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  {</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  dataBuffer[i] = <a class="code" href="CLAM__Math_8hxx.html#a2515fc92d941513000b6d446a1e1a176">CLAM_pow</a>( <a class="code" href="namespaceCLAM.html#ab9c6321b061069797fcc173f61e8111a">TData</a>(10), dataBuffer[i]*inv_20 ) ;</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  }</div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span> </div>
<div class="line"><a name="l00117"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#a5d4f89ec424d609ba6c7b1244c5228dc"> 117</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#a5d4f89ec424d609ba6c7b1244c5228dc">Complex2LogMagPhase</a>(<span class="keyword">const</span> <a class="code" href="classCLAM_1_1Array.html">Array<Complex></a> &src, <a class="code" href="classCLAM_1_1Array.html">DataArray</a> &destMag, <a class="code" href="classCLAM_1_1Array.html">DataArray</a> &destPhase)</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span>  {</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  <a class="code" href="Assert_8hxx.html#a0013fa617be6fec21a9ad7180e7d8cff" title="An assertion is a check on an expression that must be true given that all the contracts are fullfille...">CLAM_ASSERT</a>(src.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>() == destMag.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>() && src.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>() == destPhase.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>(), <span class="stringliteral">"Complex2LogMagPhase() - input/output sizes inconsistent."</span>);</div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> </div>
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  <span class="keyword">const</span> <span class="keywordtype">int</span> n = src.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i < n; ++i)</div>
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  {</div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">float</span> minLinSquared = 1.0e-20f;</div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">float</span> minLog = -200.f; <span class="comment">// -200 dB</span></div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> re = src[i].Real();</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> im = src[i].Imag();</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keyword">const</span> <span class="keywordtype">float</span> magSquared = re*re + im*im;</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span> </div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> (magSquared <= minLinSquared)</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  {</div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  destMag[i] = minLog;</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  }</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">else</span></div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span>  {</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  destMag[i] = 10.f*<a class="code" href="CLAM__Math_8hxx.html#a8ffd2b5f2ade9b11cfdbdda692180523">CLAM_log10</a>(magSquared); <span class="comment">// = 20*log10(CLAM_sqrt(re^2 + im^2))</span></div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  }</div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span> </div>
<div class="line"><a name="l00141"></a><span class="lineno"> 141</span>  destPhase[i] = src[i].Ang(); <span class="comment">// = atan2(im. re)</span></div>
<div class="line"><a name="l00142"></a><span class="lineno"> 142</span>  }</div>
<div class="line"><a name="l00143"></a><span class="lineno"> 143</span>  }</div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> </div>
<div class="line"><a name="l00145"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#a6ce014dd89acd70146553f0df64e7a41"> 145</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#a6ce014dd89acd70146553f0df64e7a41">Linear2LogMagnitude</a>( <span class="keyword">const</span> <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& linearBuffer, <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& logData )</div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span>  {</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span>  <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins = linearBuffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span> </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  <a class="code" href="namespaceCLAM.html#ac1d40e6a3d2d2972f6cd1329a2d979fe">AssertProperSize</a>( nBins, logData );</div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  {</div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  logData[i]=<a class="code" href="CLAM__Math_8hxx.html#a4dfe510a1f861c8af08514d209a04804">CLAM_20log10</a>(linearBuffer[i]);</div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  }</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  }</div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span> </div>
<div class="line"><a name="l00158"></a><span class="lineno"><a class="code" href="namespaceCLAM.html#a1df475fb34a74cceb2bd2e94f5eee9fe"> 158</a></span>  <span class="keywordtype">void</span> <a class="code" href="namespaceCLAM.html#a6ce014dd89acd70146553f0df64e7a41">Linear2LogMagnitude</a>( <a class="code" href="classCLAM_1_1Array.html">DataArray</a>& dataBuffer )</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  {</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keyword">const</span> <a class="code" href="namespaceCLAM.html#a33598bc354b7042bc0d6529a155937a7">TSize</a> nBins = dataBuffer.<a class="code" href="classCLAM_1_1Array.html#a4679b3a2a2921d6bf15d63c8312fdfc3">Size</a>();</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span> </div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < nBins; i++ )</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  {</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  dataBuffer[i]=<a class="code" href="CLAM__Math_8hxx.html#a4dfe510a1f861c8af08514d209a04804">CLAM_20log10</a>( dataBuffer[i] );</div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  }</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  }</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span> </div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span> }</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span> </div>
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