Codebase list cppad / upstream/2015.00.00.7 doc / equal_op_seq.cpp.xml
upstream/2015.00.00.7

Tree @upstream/2015.00.00.7 (Download .tar.gz)

equal_op_seq.cpp.xml @upstream/2015.00.00.7 — raw · history · blame 

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
<?xml version='1.0'?>
<html xmlns='http://www.w3.org/1999/xhtml'
      xmlns:math='http://www.w3.org/1998/Math/MathML'
>
<head>
<title>EqualOpSeq: Example and Test</title>
<meta http-equiv='Content-Type' content='text/html' charset='utf-8'/>
<meta name="description" id="description" content="EqualOpSeq: Example and Test"/>
<meta name="keywords" id="keywords" content=" equalopseq: example and test Equalopseq "/>
<style type='text/css'>
body { color : black }
body { background-color : white }
A:link { color : blue }
A:visited { color : purple }
A:active { color : purple }
</style>
<script type='text/javascript' language='JavaScript' src='_equal_op_seq.cpp_xml.js'>
</script>
</head>
<body>
<table><tr>
<td>
<a href="http://www.coin-or.org/CppAD/" target="_top"><img border="0" src="_image.gif"/></a>
</td>
<td><a href="equalopseq.xml" target="_top">Prev</a>
</td><td><a href="vecad.xml" target="_top">Next</a>
</td><td>
<select onchange='choose_across0(this)'>
<option>Index-&gt;</option>
<option>contents</option>
<option>reference</option>
<option>index</option>
<option>search</option>
<option>external</option>
</select>
</td>
<td>
<select onchange='choose_up0(this)'>
<option>Up-&gt;</option>
<option>CppAD</option>
<option>AD</option>
<option>BoolValued</option>
<option>EqualOpSeq</option>
<option>equal_op_seq.cpp</option>
</select>
</td>
<td>
<select onchange='choose_down3(this)'>
<option>AD-&gt;</option>
<option>ad_ctor</option>
<option>ad_assign</option>
<option>Convert</option>
<option>ADValued</option>
<option>BoolValued</option>
<option>VecAD</option>
<option>base_require</option>
</select>
</td>
<td>
<select onchange='choose_down2(this)'>
<option>BoolValued-&gt;</option>
<option>Compare</option>
<option>NearEqualExt</option>
<option>BoolFun</option>
<option>ParVar</option>
<option>EqualOpSeq</option>
</select>
</td>
<td>
<select onchange='choose_down1(this)'>
<option>EqualOpSeq-&gt;</option>
<option>equal_op_seq.cpp</option>
</select>
</td>
<td>equal_op_seq.cpp</td>
<td>Headings</td>
</tr></table><br/>



<center><b><big><big>EqualOpSeq: Example and Test</big></big></b></center>
<code><font color="blue"><pre style='display:inline'> 
# include &lt;cppad/cppad.hpp&gt;

bool EqualOpSeq(void)
{	bool ok = true;
	using CppAD::AD;
	using CppAD::EqualOpSeq;

	// domain space vector
	size_t n  = 1;
	double x0 = 1.;
	<a href="testvector.xml" target="_top">CPPAD_TESTVECTOR</a>(AD&lt;double&gt;) x(n);
	x[0]      = x0; 

	// declare independent variables and start tape recording
	CppAD::<a href="independent.xml" target="_top">Independent</a>(x);

	<a href="ad.xml" target="_top">AD</a>&lt;double&gt; a = 1. + x[0];  // this variable is 1 + x0
	<a href="ad.xml" target="_top">AD</a>&lt;double&gt; b = 2. * x[0];  // this variable is 2 * x0

	// both a and b are variables
	ok &amp;= (a == b);            // 1 + 1     == 2 * 1
	ok &amp;= ! EqualOpSeq(a, b);  // 1 + x[0]  != 2 * x[0] 

	// range space vector 
	size_t m = 1;
	<a href="testvector.xml" target="_top">CPPAD_TESTVECTOR</a>(AD&lt;double&gt;) y(m);
	y[0] = a;

	// both y[0] and a are variables
	EqualOpSeq(y[0], a);       // 2 * x[0] == 2 * x[0]

	// create f: x -&gt; y and stop tape recording
	CppAD::<a href="funconstruct.xml" target="_top">ADFun</a>&lt;double&gt; f(x, y); 

	// both a and b are parameters (after the creation of f above)
	ok &amp;= EqualOpSeq(a, b);    // 1 + 1 == 2 * 1

	return ok;
}

</pre>

</font></code>


<hr/>Input File: example/equal_op_seq.cpp

</body>
</html>