mirror of
https://github.com/TheAlgorithms/C-Plus-Plus.git
synced 2026-04-13 11:09:48 +08:00
Documentation for c6af943508
This commit is contained in:
realstealthninja
@@ -116,12 +116,13 @@ $(function(){initNavTree('d8/d9a/fast__fourier__transform_8cpp.html','../../');
|
||||
<div class="textblock"><code>#include <cassert></code><br />
|
||||
<code>#include <cmath></code><br />
|
||||
<code>#include <complex></code><br />
|
||||
<code>#include <cstdint></code><br />
|
||||
<code>#include <iostream></code><br />
|
||||
<code>#include <vector></code><br />
|
||||
</div><div class="textblock"><div class="dynheader">
|
||||
Include dependency graph for fast_fourier_transform.cpp:</div>
|
||||
<div class="dyncontent">
|
||||
<div class="center"><iframe scrolling="no" frameborder="0" src="../../d0/d15/fast__fourier__transform_8cpp__incl.svg" width="428" height="126"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
|
||||
<div class="center"><iframe scrolling="no" frameborder="0" src="../../d0/d15/fast__fourier__transform_8cpp__incl.svg" width="512" height="126"><p><b>This browser is not able to show SVG: try Firefox, Chrome, Safari, or Opera instead.</b></p></iframe></div>
|
||||
</div>
|
||||
</div><table class="memberdecls">
|
||||
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a id="namespaces" name="namespaces"></a>
|
||||
@@ -174,12 +175,12 @@ Functions</h2></td></tr>
|
||||
</dd>
|
||||
</dl>
|
||||
<dl class="section return"><dt>Returns</dt><dd>0 on exit </dd></dl>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 162</span> {</div>
|
||||
<div class="line"><span class="lineno"> 163</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
|
||||
<div class="line"><span class="lineno"> 164</span> <span class="comment">// with 2 defined test cases</span></div>
|
||||
<div class="line"><span class="lineno"> 165</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><span class="lineno"> 166</span>}</div>
|
||||
<div class="ttc" id="afast__fourier__transform_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> fast_fourier_transform.cpp:104</div></div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 163</span> {</div>
|
||||
<div class="line"><span class="lineno"> 164</span> <a class="code hl_function" href="#aa8dca7b867074164d5f45b0f3851269d">test</a>(); <span class="comment">// run self-test implementations</span></div>
|
||||
<div class="line"><span class="lineno"> 165</span> <span class="comment">// with 2 defined test cases</span></div>
|
||||
<div class="line"><span class="lineno"> 166</span> <span class="keywordflow">return</span> 0;</div>
|
||||
<div class="line"><span class="lineno"> 167</span>}</div>
|
||||
<div class="ttc" id="afast__fourier__transform_8cpp_html_aa8dca7b867074164d5f45b0f3851269d"><div class="ttname"><a href="#aa8dca7b867074164d5f45b0f3851269d">test</a></div><div class="ttdeci">static void test()</div><div class="ttdoc">Self-test implementations.</div><div class="ttdef"><b>Definition</b> fast_fourier_transform.cpp:105</div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
|
||||
Here is the call graph for this function:</div>
|
||||
<div class="dyncontent">
|
||||
@@ -221,59 +222,59 @@ Here is the call graph for this function:</div>
|
||||
<p>Temporary variable used to delete memory location of o2</p>
|
||||
<p>Comparing for both real and imaginary values for test case 1</p>
|
||||
<p>Comparing for both real and imaginary values for test case 2</p>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 104</span> {</div>
|
||||
<div class="line"><span class="lineno"> 105</span> <span class="comment">/* descriptions of the following test */</span></div>
|
||||
<div class="line"><span class="lineno"> 106</span> </div>
|
||||
<div class="line"><span class="lineno"> 107</span> <span class="keyword">auto</span> *t1 = <span class="keyword">new</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a>[2]; <span class="comment">/// Test case 1</span></div>
|
||||
<div class="line"><span class="lineno"> 108</span> <span class="keyword">auto</span> *t2 = <span class="keyword">new</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a>[4]; <span class="comment">/// Test case 2</span></div>
|
||||
<div class="line"><span class="lineno"> 109</span> </div>
|
||||
<div class="line"><span class="lineno"> 110</span> t1[0] = {1, 0};</div>
|
||||
<div class="line"><span class="lineno"> 111</span> t1[1] = {2, 0};</div>
|
||||
<div class="line"><span class="lineno"> 112</span> t2[0] = {1, 0};</div>
|
||||
<div class="line"><span class="lineno"> 113</span> t2[1] = {2, 0};</div>
|
||||
<div class="line"><span class="lineno"> 114</span> t2[2] = {3, 0};</div>
|
||||
<div class="line"><span class="lineno"> 115</span> t2[3] = {4, 0};</div>
|
||||
<div class="line"><span class="lineno"> 116</span> </div>
|
||||
<div class="line"><span class="lineno"> 117</span> uint8_t n1 = 2;</div>
|
||||
<div class="line"><span class="lineno"> 118</span> uint8_t n2 = 4;</div>
|
||||
<div class="line"><span class="lineno"> 119</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::complex<double></a>> r1 = {</div>
|
||||
<div class="line"><span class="lineno"> 120</span> {3, 0}, {-1, 0}}; <span class="comment">/// True Answer for test case 1</span></div>
|
||||
<div class="line"><span class="lineno"> 121</span> </div>
|
||||
<div class="line"><span class="lineno"> 122</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::complex<double></a>> r2 = {</div>
|
||||
<div class="line"><span class="lineno"> 123</span> {10, 0}, {-2, -2}, {-2, 0}, {-2, 2}}; <span class="comment">/// True Answer for test case 2</span></div>
|
||||
<div class="line"><span class="lineno"> 124</span> </div>
|
||||
<div class="line"><span class="lineno"> 125</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *o1 = <a class="code hl_function" href="../../d1/de0/namespacenumerical__methods.html#a158fd271b9a53e8f3f60b08b18857150">numerical_methods::FastFourierTransform</a>(t1, n1);</div>
|
||||
<div class="line"><span class="lineno"> 126</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *t3 =</div>
|
||||
<div class="line"><span class="lineno"> 127</span> o1; <span class="comment">/// Temporary variable used to delete memory location of o1</span></div>
|
||||
<div class="line"><span class="lineno"> 128</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *o2 = <a class="code hl_function" href="../../d1/de0/namespacenumerical__methods.html#a158fd271b9a53e8f3f60b08b18857150">numerical_methods::FastFourierTransform</a>(t2, n2);</div>
|
||||
<div class="line"><span class="lineno"> 129</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *t4 =</div>
|
||||
<div class="line"><span class="lineno"> 130</span> o2; <span class="comment">/// Temporary variable used to delete memory location of o2</span></div>
|
||||
<div class="line"><span class="lineno"> 131</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < n1; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 132</span> assert((r1[i].real() - o1-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/real.html">real</a>() < 0.000000000001) &&</div>
|
||||
<div class="line"><span class="lineno"> 133</span> (r1[i].imag() - o1-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/imag.html">imag</a>() <</div>
|
||||
<div class="line"><span class="lineno"> 134</span> 0.000000000001)); <span class="comment">/// Comparing for both real and imaginary</span><span class="comment"></span></div>
|
||||
<div class="line"><span class="lineno"> 135</span><span class="comment"> /// values for test case 1</span></div>
|
||||
<div class="line"><span class="lineno"> 136</span><span class="comment"></span> o1++;</div>
|
||||
<div class="line"><span class="lineno"> 137</span> }</div>
|
||||
<div class="line"><span class="lineno"> 138</span> </div>
|
||||
<div class="line"><span class="lineno"> 139</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < n2; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 140</span> assert((r2[i].real() - o2-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/real.html">real</a>() < 0.000000000001) &&</div>
|
||||
<div class="line"><span class="lineno"> 141</span> (r2[i].imag() - o2-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/imag.html">imag</a>() <</div>
|
||||
<div class="line"><span class="lineno"> 142</span> 0.000000000001)); <span class="comment">/// Comparing for both real and imaginary</span><span class="comment"></span></div>
|
||||
<div class="line"><span class="lineno"> 143</span><span class="comment"> /// values for test case 2</span></div>
|
||||
<div class="line"><span class="lineno"> 144</span><span class="comment"></span> o2++;</div>
|
||||
<div class="line"><span class="lineno"> 145</span> }</div>
|
||||
<div class="line"><span class="lineno"> 146</span> </div>
|
||||
<div class="line"><span class="lineno"> 147</span> <span class="keyword">delete</span>[] t1;</div>
|
||||
<div class="line"><span class="lineno"> 148</span> <span class="keyword">delete</span>[] t2;</div>
|
||||
<div class="line"><span class="lineno"> 149</span> <span class="keyword">delete</span>[] t3;</div>
|
||||
<div class="line"><span class="lineno"> 150</span> <span class="keyword">delete</span>[] t4;</div>
|
||||
<div class="line"><span class="lineno"> 151</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"All tests have successfully passed!\n"</span>;</div>
|
||||
<div class="line"><span class="lineno"> 152</span>}</div>
|
||||
<div class="fragment"><div class="line"><span class="lineno"> 105</span> {</div>
|
||||
<div class="line"><span class="lineno"> 106</span> <span class="comment">/* descriptions of the following test */</span></div>
|
||||
<div class="line"><span class="lineno"> 107</span> </div>
|
||||
<div class="line"><span class="lineno"> 108</span> <span class="keyword">auto</span> *t1 = <span class="keyword">new</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a>[2]; <span class="comment">/// Test case 1</span></div>
|
||||
<div class="line"><span class="lineno"> 109</span> <span class="keyword">auto</span> *t2 = <span class="keyword">new</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a>[4]; <span class="comment">/// Test case 2</span></div>
|
||||
<div class="line"><span class="lineno"> 110</span> </div>
|
||||
<div class="line"><span class="lineno"> 111</span> t1[0] = {1, 0};</div>
|
||||
<div class="line"><span class="lineno"> 112</span> t1[1] = {2, 0};</div>
|
||||
<div class="line"><span class="lineno"> 113</span> t2[0] = {1, 0};</div>
|
||||
<div class="line"><span class="lineno"> 114</span> t2[1] = {2, 0};</div>
|
||||
<div class="line"><span class="lineno"> 115</span> t2[2] = {3, 0};</div>
|
||||
<div class="line"><span class="lineno"> 116</span> t2[3] = {4, 0};</div>
|
||||
<div class="line"><span class="lineno"> 117</span> </div>
|
||||
<div class="line"><span class="lineno"> 118</span> uint8_t n1 = 2;</div>
|
||||
<div class="line"><span class="lineno"> 119</span> uint8_t n2 = 4;</div>
|
||||
<div class="line"><span class="lineno"> 120</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::complex<double></a>> r1 = {</div>
|
||||
<div class="line"><span class="lineno"> 121</span> {3, 0}, {-1, 0}}; <span class="comment">/// True Answer for test case 1</span></div>
|
||||
<div class="line"><span class="lineno"> 122</span> </div>
|
||||
<div class="line"><span class="lineno"> 123</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector<std::complex<double></a>> r2 = {</div>
|
||||
<div class="line"><span class="lineno"> 124</span> {10, 0}, {-2, -2}, {-2, 0}, {-2, 2}}; <span class="comment">/// True Answer for test case 2</span></div>
|
||||
<div class="line"><span class="lineno"> 125</span> </div>
|
||||
<div class="line"><span class="lineno"> 126</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *o1 = <a class="code hl_function" href="../../d1/de0/namespacenumerical__methods.html#a158fd271b9a53e8f3f60b08b18857150">numerical_methods::FastFourierTransform</a>(t1, n1);</div>
|
||||
<div class="line"><span class="lineno"> 127</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *t3 =</div>
|
||||
<div class="line"><span class="lineno"> 128</span> o1; <span class="comment">/// Temporary variable used to delete memory location of o1</span></div>
|
||||
<div class="line"><span class="lineno"> 129</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *o2 = <a class="code hl_function" href="../../d1/de0/namespacenumerical__methods.html#a158fd271b9a53e8f3f60b08b18857150">numerical_methods::FastFourierTransform</a>(t2, n2);</div>
|
||||
<div class="line"><span class="lineno"> 130</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex<double></a> *t4 =</div>
|
||||
<div class="line"><span class="lineno"> 131</span> o2; <span class="comment">/// Temporary variable used to delete memory location of o2</span></div>
|
||||
<div class="line"><span class="lineno"> 132</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < n1; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 133</span> assert((r1[i].real() - o1-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/real.html">real</a>() < 0.000000000001) &&</div>
|
||||
<div class="line"><span class="lineno"> 134</span> (r1[i].imag() - o1-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/imag.html">imag</a>() <</div>
|
||||
<div class="line"><span class="lineno"> 135</span> 0.000000000001)); <span class="comment">/// Comparing for both real and imaginary</span><span class="comment"></span></div>
|
||||
<div class="line"><span class="lineno"> 136</span><span class="comment"> /// values for test case 1</span></div>
|
||||
<div class="line"><span class="lineno"> 137</span><span class="comment"></span> o1++;</div>
|
||||
<div class="line"><span class="lineno"> 138</span> }</div>
|
||||
<div class="line"><span class="lineno"> 139</span> </div>
|
||||
<div class="line"><span class="lineno"> 140</span> <span class="keywordflow">for</span> (uint8_t i = 0; i < n2; i++) {</div>
|
||||
<div class="line"><span class="lineno"> 141</span> assert((r2[i].real() - o2-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/real.html">real</a>() < 0.000000000001) &&</div>
|
||||
<div class="line"><span class="lineno"> 142</span> (r2[i].imag() - o2-><a class="code hl_functionRef" target="_blank" href="http://en.cppreference.com/w/cpp/numeric/complex/imag.html">imag</a>() <</div>
|
||||
<div class="line"><span class="lineno"> 143</span> 0.000000000001)); <span class="comment">/// Comparing for both real and imaginary</span><span class="comment"></span></div>
|
||||
<div class="line"><span class="lineno"> 144</span><span class="comment"> /// values for test case 2</span></div>
|
||||
<div class="line"><span class="lineno"> 145</span><span class="comment"></span> o2++;</div>
|
||||
<div class="line"><span class="lineno"> 146</span> }</div>
|
||||
<div class="line"><span class="lineno"> 147</span> </div>
|
||||
<div class="line"><span class="lineno"> 148</span> <span class="keyword">delete</span>[] t1;</div>
|
||||
<div class="line"><span class="lineno"> 149</span> <span class="keyword">delete</span>[] t2;</div>
|
||||
<div class="line"><span class="lineno"> 150</span> <span class="keyword">delete</span>[] t3;</div>
|
||||
<div class="line"><span class="lineno"> 151</span> <span class="keyword">delete</span>[] t4;</div>
|
||||
<div class="line"><span class="lineno"> 152</span> <a class="code hl_classRef" target="_blank" href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a> << <span class="stringliteral">"All tests have successfully passed!\n"</span>;</div>
|
||||
<div class="line"><span class="lineno"> 153</span>}</div>
|
||||
<div class="ttc" id="abasic_ostream_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/io/basic_ostream.html">std::cout</a></div></div>
|
||||
<div class="ttc" id="acomplex_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/complex.html">std::complex</a></div></div>
|
||||
<div class="ttc" id="aimag_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/complex/imag.html">std::complex::imag</a></div><div class="ttdeci">T imag(T... args)</div></div>
|
||||
<div class="ttc" id="anamespacenumerical__methods_html_a158fd271b9a53e8f3f60b08b18857150"><div class="ttname"><a href="../../d1/de0/namespacenumerical__methods.html#a158fd271b9a53e8f3f60b08b18857150">numerical_methods::FastFourierTransform</a></div><div class="ttdeci">std::complex< double > * FastFourierTransform(std::complex< double > *p, uint8_t n)</div><div class="ttdoc">FastFourierTransform is a recursive function which returns list of complex numbers.</div><div class="ttdef"><b>Definition</b> fast_fourier_transform.cpp:41</div></div>
|
||||
<div class="ttc" id="anamespacenumerical__methods_html_a158fd271b9a53e8f3f60b08b18857150"><div class="ttname"><a href="../../d1/de0/namespacenumerical__methods.html#a158fd271b9a53e8f3f60b08b18857150">numerical_methods::FastFourierTransform</a></div><div class="ttdeci">std::complex< double > * FastFourierTransform(std::complex< double > *p, uint8_t n)</div><div class="ttdoc">FastFourierTransform is a recursive function which returns list of complex numbers.</div><div class="ttdef"><b>Definition</b> fast_fourier_transform.cpp:42</div></div>
|
||||
<div class="ttc" id="areal_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/numeric/complex/real.html">std::complex::real</a></div><div class="ttdeci">T real(T... args)</div></div>
|
||||
<div class="ttc" id="avector_html"><div class="ttname"><a href="http://en.cppreference.com/w/cpp/container/vector.html">std::vector</a></div></div>
|
||||
</div><!-- fragment --><div class="dynheader">
|
||||
|
||||
Reference in New Issue
Block a user