boost/math
2
0
Fork 0
mirror of https://github.com/boostorg/math.git synced 2026-01-26 06:42:12 +00:00
Code Issues Projects Releases Wiki Activity

Slight changes to number of points and line widths (now works)

Browse Source 
[SVN r43315]
This commit is contained in:
Paul A. Bristow
2008-02-19 09:44:11 +00:00
parent f3366e11f6
commit ee4e77d39e
2 changed files with 37 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
doc/sf_and_dist/graphs/dist_graphs.cpp
View File

@@ -3,15 +3,26 @@
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifdef _MSC_VER
//# pragma warning (disable : 4800) // forcing value to bool 'true' or 'false' (performance warning)
# pragma warning (disable : 4180) // qualifier applied to function type has no meaning; ignored
# pragma warning (disable : 4503) // decorated name length exceeded, name was truncated
# pragma warning (disable : 4512) // assignment operator could not be generated
//# pragma warning (disable : 4172) // returning address of local variable or temporary TODO find cause of these.
# pragma warning (disable : 4224) // nonstandard extension used : formal parameter 'function_ptr' was previously defined as a type
#endif
#define BOOST_MATH_OVERFLOW_ERROR_POLICY ignore_error
#include <boost/math/distributions.hpp>
#include <boost/math/tools/roots.hpp>
#include <boost/svg_plot/svg_2d_plot.hpp>
#include <list>
#include <map>
#include <string>
template <class Dist>
struct value_finder
{
@@ -147,6 +158,7 @@ public:
svg_2d_plot plot;
plot.image_size(750, 400);
plot.coord_precision(4); // Avoids any visible steps.
plot.title_font_size(20);
plot.legend_title_font_size(15);
plot.title(title);
@@ -155,10 +167,13 @@ public:
double x_delta = (m_max_x - m_min_x) / 10;
double y_delta = (m_max_y - m_min_y) / 10;
plot.x_range(m_min_x, m_max_x)
.y_range(m_min_y, m_max_y + y_delta);
.y_range(m_min_y, m_max_y + y_delta);
plot.x_label_on(true).x_label("Random Variable");
plot.y_label_on(true).y_label("Probability");
plot.plot_border_color(lightslategray).legend_border_color(lightslategray).background_border_color(lightslategray);
plot.plot_border_color(lightslategray)
.background_border_color(lightslategray)
.legend_border_color(lightslategray)
.legend_background_color(white);
//
// Work out axis tick intervals:
//
@@ -179,7 +194,7 @@ public:
i != m_distributions.end(); ++i)
{
double x = m_min_x;
double interval = (m_max_x - m_min_x) / 1000;
double interval = (m_max_x - m_min_x) / 200;
std::map<double, double> data;
while(x <= m_max_x)
{
@@ -189,7 +204,8 @@ public:
plot.plot(data, i->first)
.line_on(true)
.line_color(colors[color_index])
.line_width(0.5)
.line_width(1.)
//.bezier_on(true) // Can't cope with badly behaved like uniform & triangular.
.shape(none);
++color_index;
color_index = color_index % (sizeof(colors)/sizeof(colors[0]));

19
doc/sf_and_dist/graphs/sf_graphs.cpp
View File

@@ -1,7 +1,22 @@
// (C) Copyright John Maddock 2008.
// Use, modification and distribution are subject to the
// Boost Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifdef _MSC_VER
//# pragma warning (disable : 4800) // forcing value to bool 'true' or 'false' (performance warning)
# pragma warning (disable : 4180) // qualifier applied to function type has no meaning; ignored
# pragma warning (disable : 4503) // decorated name length exceeded, name was truncated
# pragma warning (disable : 4512) // assignment operator could not be generated
//# pragma warning (disable : 4172) // returning address of local variable or temporary TODO find cause of these.
# pragma warning (disable : 4224) // nonstandard extension used : formal parameter 'function_ptr' was previously defined as a type
#endif
#include <boost/math/special_functions.hpp>
#include <boost/math/tools/roots.hpp>
#include <boost/function.hpp>
#include <boost/bind.hpp>
#include <list>
#include <map>
#include <string>
@@ -109,7 +124,7 @@ public:
svg_2d_plot plot;
plot.image_size(600, 400);
plot.copyright_holder("John Maddock").copyright_date("2008").boost_license_on(true);
plot.coord_precision(4); // Ciould be 3 for smaller plots.
plot.coord_precision(4); // Could be 3 for smaller plots?
plot.title(title).title_font_size(20).title_on(true);
plot.legend_on(m_has_legend);
@@ -146,7 +161,7 @@ public:
plot.plot(i->second, i->first)
.line_on(true)
.line_color(colors[color_index])
.line_width(0.5)
.line_width(1.)
.shape(none);
if(i->first.size())
++color_index;