← Back to branch summary

~ubuntu-branches/ubuntu/oneiric/qwt/oneiric-proposed

« back to all changes in this revision

Viewing changes to qwt-5.1.1/doc/html/class_qwt_scale_arithmetic.html

  • Committer: Bazaar Package Importer
  • Author(s): Fathi Boudra
  • Date: 2008-05-26 10:26:31 UTC
  • mfrom: (1.1.3 upstream) (2.1.1 lenny)
  • Revision ID: james.westby@ubuntu.com-20080526102631-bp95mfccnrb957nx
Tags: 5.1.1-1
New upstream release.

Show diffs side-by-side

added added

removed removed

Lines of Context:
qwt-5.1.1/doc/html/class_qwt_scale_arithmetic.html
 
1
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 
2
<html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1">
 
3
<title>Qwt User&apos;s Guide: QwtScaleArithmetic Class Reference</title>
 
4
<link href="doxygen.css" rel="stylesheet" type="text/css">
 
5
<link href="tabs.css" rel="stylesheet" type="text/css">
 
6
</head><body>
 
7
<!-- Generated by Doxygen 1.5.0 -->
 
8
<div class="tabs">
 
9
  <ul>
 
10
    <li><a href="index.html"><span>Main&nbsp;Page</span></a></li>
 
11
    <li id="current"><a href="classes.html"><span>Classes</span></a></li>
 
12
    <li><a href="files.html"><span>Files</span></a></li>
 
13
    <li><a href="pages.html"><span>Related&nbsp;Pages</span></a></li>
 
14
  </ul></div>
 
15
<div class="tabs">
 
16
  <ul>
 
17
    <li><a href="classes.html"><span>Alphabetical&nbsp;List</span></a></li>
 
18
    <li><a href="annotated.html"><span>Class&nbsp;List</span></a></li>
 
19
    <li><a href="hierarchy.html"><span>Class&nbsp;Hierarchy</span></a></li>
 
20
    <li><a href="functions.html"><span>Class&nbsp;Members</span></a></li>
 
21
  </ul></div>
 
22
<h1>QwtScaleArithmetic Class Reference</h1><!-- doxytag: class="QwtScaleArithmetic" --><a href="class_qwt_scale_arithmetic-members.html">List of all members.</a><hr><a name="_details"></a><h2>Detailed Description</h2>
 
23
Arithmetic including a tolerance. 
 
24
<p>
 
25
 
 
26
<p>
 
27
Definition at line <a class="el" href="qwt__scale__engine_8h-source.html#l00022">22</a> of file <a class="el" href="qwt__scale__engine_8h-source.html">qwt_scale_engine.h</a>.<table border="0" cellpadding="0" cellspacing="0">
 
28
<tr><td></td></tr>
 
29
<tr><td colspan="2"><br><h2>Static Public Member Functions</h2></td></tr>
 
30
<tr><td class="memItemLeft" nowrap align="right" valign="top">static int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#6c6f982022550fba9ccee034f87461ce">compareEps</a> (double value1, double value2, double intervalSize)</td></tr>
 
31
 
 
32
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#86da4fc0928457d03201d8b520d7d816">ceilEps</a> (double value, double intervalSize)</td></tr>
 
33
 
 
34
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#924d97f2e5db236f43f4d65e430e09c1">floorEps</a> (double value, double intervalSize)</td></tr>
 
35
 
 
36
<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e5f0415105b2a97cccb93f3da9ddaead"></a><!-- doxytag: member="QwtScaleArithmetic::divideEps" ref="e5f0415105b2a97cccb93f3da9ddaead" args="(double interval, double steps)" -->
 
37
static double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#e5f0415105b2a97cccb93f3da9ddaead">divideEps</a> (double interval, double steps)</td></tr>
 
38
 
 
39
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#5768ab1c30f4fa8f02e3bb83f50fac02">ceil125</a> (double x)</td></tr>
 
40
 
 
41
<tr><td class="memItemLeft" nowrap align="right" valign="top">static double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="class_qwt_scale_arithmetic.html#0cf6b5993a700cf0f00175486bd57b5b">floor125</a> (double x)</td></tr>
 
42
 
 
43
</table>
 
44
<hr><h2>Member Function Documentation</h2>
 
45
<a class="anchor" name="6c6f982022550fba9ccee034f87461ce"></a><!-- doxytag: member="QwtScaleArithmetic::compareEps" ref="6c6f982022550fba9ccee034f87461ce" args="(double value1, double value2, double intervalSize)" -->
 
46
<div class="memitem">
 
47
<div class="memproto">
 
48
      <table class="memname">
 
49
        <tr>
 
50
          <td class="memname">int QwtScaleArithmetic::compareEps           </td>
 
51
          <td>(</td>
 
52
          <td class="paramtype">double&nbsp;</td>
 
53
          <td class="paramname"> <em>value1</em>, </td>
 
54
        </tr>
 
55
        <tr>
 
56
          <td class="paramkey"></td>
 
57
          <td></td>
 
58
          <td class="paramtype">double&nbsp;</td>
 
59
          <td class="paramname"> <em>value2</em>, </td>
 
60
        </tr>
 
61
        <tr>
 
62
          <td class="paramkey"></td>
 
63
          <td></td>
 
64
          <td class="paramtype">double&nbsp;</td>
 
65
          <td class="paramname"> <em>intervalSize</em></td><td>&nbsp;</td>
 
66
        </tr>
 
67
        <tr>
 
68
          <td></td>
 
69
          <td>)</td>
 
70
          <td></td><td></td><td width="100%"><code> [static]</code></td>
 
71
        </tr>
 
72
      </table>
 
73
</div>
 
74
<div class="memdoc">
 
75
 
 
76
<p>
 
77
Compare 2 values, relative to an interval. 
 
78
<p>
 
79
Values are "equal", when : <img class="formulaInl" alt="$\cdot value2 - value1 <= abs(intervalSize * 10e^{-6})$" src="form_0.png"><p>
 
80
<dl compact><dt><b>Parameters:</b></dt><dd>
 
81
  <table border="0" cellspacing="2" cellpadding="0">
 
82
    <tr><td valign="top"></td><td valign="top"><em>value1</em>&nbsp;</td><td>First value to compare </td></tr>
 
83
    <tr><td valign="top"></td><td valign="top"><em>value2</em>&nbsp;</td><td>Second value to compare </td></tr>
 
84
    <tr><td valign="top"></td><td valign="top"><em>intervalSize</em>&nbsp;</td><td>interval size</td></tr>
 
85
  </table>
 
86
</dl>
 
87
<dl class="return" compact><dt><b>Returns:</b></dt><dd>0: if equal, -1: if value2 &gt; value1, 1: if value1 &gt; value2 </dd></dl>
 
88
 
 
89
<p>
 
90
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00028">28</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
 
91
<p>
 
92
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00251">QwtScaleEngine::contains()</a>.
 
93
</div>
 
94
</div><p>
 
95
<a class="anchor" name="86da4fc0928457d03201d8b520d7d816"></a><!-- doxytag: member="QwtScaleArithmetic::ceilEps" ref="86da4fc0928457d03201d8b520d7d816" args="(double value, double intervalSize)" -->
 
96
<div class="memitem">
 
97
<div class="memproto">
 
98
      <table class="memname">
 
99
        <tr>
 
100
          <td class="memname">double QwtScaleArithmetic::ceilEps           </td>
 
101
          <td>(</td>
 
102
          <td class="paramtype">double&nbsp;</td>
 
103
          <td class="paramname"> <em>value</em>, </td>
 
104
        </tr>
 
105
        <tr>
 
106
          <td class="paramkey"></td>
 
107
          <td></td>
 
108
          <td class="paramtype">double&nbsp;</td>
 
109
          <td class="paramname"> <em>intervalSize</em></td><td>&nbsp;</td>
 
110
        </tr>
 
111
        <tr>
 
112
          <td></td>
 
113
          <td>)</td>
 
114
          <td></td><td></td><td width="100%"><code> [static]</code></td>
 
115
        </tr>
 
116
      </table>
 
117
</div>
 
118
<div class="memdoc">
 
119
 
 
120
<p>
 
121
Ceil a value, relative to an interval<p>
 
122
<dl compact><dt><b>Parameters:</b></dt><dd>
 
123
  <table border="0" cellspacing="2" cellpadding="0">
 
124
    <tr><td valign="top"></td><td valign="top"><em>value</em>&nbsp;</td><td>Value to ceil </td></tr>
 
125
    <tr><td valign="top"></td><td valign="top"><em>intervalSize</em>&nbsp;</td><td>Interval size</td></tr>
 
126
  </table>
 
127
</dl>
 
128
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_scale_arithmetic.html#924d97f2e5db236f43f4d65e430e09c1">floorEps</a> </dd></dl>
 
129
 
 
130
<p>
 
131
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00050">50</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
 
132
<p>
 
133
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">QwtLinearScaleEngine::align()</a>.
 
134
</div>
 
135
</div><p>
 
136
<a class="anchor" name="924d97f2e5db236f43f4d65e430e09c1"></a><!-- doxytag: member="QwtScaleArithmetic::floorEps" ref="924d97f2e5db236f43f4d65e430e09c1" args="(double value, double intervalSize)" -->
 
137
<div class="memitem">
 
138
<div class="memproto">
 
139
      <table class="memname">
 
140
        <tr>
 
141
          <td class="memname">double QwtScaleArithmetic::floorEps           </td>
 
142
          <td>(</td>
 
143
          <td class="paramtype">double&nbsp;</td>
 
144
          <td class="paramname"> <em>value</em>, </td>
 
145
        </tr>
 
146
        <tr>
 
147
          <td class="paramkey"></td>
 
148
          <td></td>
 
149
          <td class="paramtype">double&nbsp;</td>
 
150
          <td class="paramname"> <em>intervalSize</em></td><td>&nbsp;</td>
 
151
        </tr>
 
152
        <tr>
 
153
          <td></td>
 
154
          <td>)</td>
 
155
          <td></td><td></td><td width="100%"><code> [static]</code></td>
 
156
        </tr>
 
157
      </table>
 
158
</div>
 
159
<div class="memdoc">
 
160
 
 
161
<p>
 
162
Floor a value, relative to an interval<p>
 
163
<dl compact><dt><b>Parameters:</b></dt><dd>
 
164
  <table border="0" cellspacing="2" cellpadding="0">
 
165
    <tr><td valign="top"></td><td valign="top"><em>value</em>&nbsp;</td><td>Value to floor </td></tr>
 
166
    <tr><td valign="top"></td><td valign="top"><em>intervalSize</em>&nbsp;</td><td>Interval size</td></tr>
 
167
  </table>
 
168
</dl>
 
169
<dl class="see" compact><dt><b>See also:</b></dt><dd><a class="el" href="class_qwt_scale_arithmetic.html#924d97f2e5db236f43f4d65e430e09c1">floorEps</a> </dd></dl>
 
170
 
 
171
<p>
 
172
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00067">67</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
 
173
<p>
 
174
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00600">QwtLinearScaleEngine::align()</a>.
 
175
</div>
 
176
</div><p>
 
177
<a class="anchor" name="5768ab1c30f4fa8f02e3bb83f50fac02"></a><!-- doxytag: member="QwtScaleArithmetic::ceil125" ref="5768ab1c30f4fa8f02e3bb83f50fac02" args="(double x)" -->
 
178
<div class="memitem">
 
179
<div class="memproto">
 
180
      <table class="memname">
 
181
        <tr>
 
182
          <td class="memname">double QwtScaleArithmetic::ceil125           </td>
 
183
          <td>(</td>
 
184
          <td class="paramtype">double&nbsp;</td>
 
185
          <td class="paramname"> <em>x</em>          </td>
 
186
          <td>&nbsp;)&nbsp;</td>
 
187
          <td width="100%"><code> [static]</code></td>
 
188
        </tr>
 
189
      </table>
 
190
</div>
 
191
<div class="memdoc">
 
192
 
 
193
<p>
 
194
Find the smallest value out of {1,2,5}*10^n with an integer number n which is greater than or equal to x<p>
 
195
<dl compact><dt><b>Parameters:</b></dt><dd>
 
196
  <table border="0" cellspacing="2" cellpadding="0">
 
197
    <tr><td valign="top"></td><td valign="top"><em>x</em>&nbsp;</td><td>Input value </td></tr>
 
198
  </table>
 
199
</dl>
 
200
 
 
201
<p>
 
202
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00098">98</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
 
203
<p>
 
204
Referenced by <a class="el" href="qwt__scale__engine_8cpp-source.html#l00233">QwtScaleEngine::divideInterval()</a>.
 
205
</div>
 
206
</div><p>
 
207
<a class="anchor" name="0cf6b5993a700cf0f00175486bd57b5b"></a><!-- doxytag: member="QwtScaleArithmetic::floor125" ref="0cf6b5993a700cf0f00175486bd57b5b" args="(double x)" -->
 
208
<div class="memitem">
 
209
<div class="memproto">
 
210
      <table class="memname">
 
211
        <tr>
 
212
          <td class="memname">double QwtScaleArithmetic::floor125           </td>
 
213
          <td>(</td>
 
214
          <td class="paramtype">double&nbsp;</td>
 
215
          <td class="paramname"> <em>x</em>          </td>
 
216
          <td>&nbsp;)&nbsp;</td>
 
217
          <td width="100%"><code> [static]</code></td>
 
218
        </tr>
 
219
      </table>
 
220
</div>
 
221
<div class="memdoc">
 
222
 
 
223
<p>
 
224
Find the largest value out of {1,2,5}*10^n with an integer number n which is smaller than or equal to x. 
 
225
<p>
 
226
<dl compact><dt><b>Parameters:</b></dt><dd>
 
227
  <table border="0" cellspacing="2" cellpadding="0">
 
228
    <tr><td valign="top"></td><td valign="top"><em>x</em>&nbsp;</td><td>Input value </td></tr>
 
229
  </table>
 
230
</dl>
 
231
 
 
232
<p>
 
233
Definition at line <a class="el" href="qwt__scale__engine_8cpp-source.html#l00126">126</a> of file <a class="el" href="qwt__scale__engine_8cpp-source.html">qwt_scale_engine.cpp</a>.
 
234
</div>
 
235
</div><p>
 
236
<hr size="1"><address style="align: right;"><small>Generated on Sat May 24 18:49:01 2008 for Qwt User's Guide by&nbsp;
 
237
<a href="http://www.doxygen.org/index.html">
 
238
<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
 
239
</body>
 
240
</html>