Squashed 'third_party/matplotlib-cpp/' content from commit f994996
Change-Id: I2124d6ed85284acca42fc0e90f489f422e6e440a
git-subtree-dir: third_party/matplotlib-cpp
git-subtree-split: f994996e0724f30612154a26cbdc660ad9c51907
diff --git a/examples/animation.cpp b/examples/animation.cpp
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+#define _USE_MATH_DEFINES
+#include <cmath>
+#include "../matplotlibcpp.h"
+
+namespace plt = matplotlibcpp;
+
+int main()
+{
+ int n = 1000;
+ std::vector<double> x, y, z;
+
+ for(int i=0; i<n; i++) {
+ x.push_back(i*i);
+ y.push_back(sin(2*M_PI*i/360.0));
+ z.push_back(log(i));
+
+ if (i % 10 == 0) {
+ // Clear previous plot
+ plt::clf();
+ // Plot line from given x and y data. Color is selected automatically.
+ plt::plot(x, y);
+ // Plot a line whose name will show up as "log(x)" in the legend.
+ plt::named_plot("log(x)", x, z);
+
+ // Set x-axis to interval [0,1000000]
+ plt::xlim(0, n*n);
+
+ // Add graph title
+ plt::title("Sample figure");
+ // Enable legend.
+ plt::legend();
+ // Display plot continuously
+ plt::pause(0.01);
+ }
+ }
+}
diff --git a/examples/animation.gif b/examples/animation.gif
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diff --git a/examples/basic.cpp b/examples/basic.cpp
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+#define _USE_MATH_DEFINES
+#include <iostream>
+#include <cmath>
+#include "../matplotlibcpp.h"
+
+namespace plt = matplotlibcpp;
+
+int main()
+{
+ // Prepare data.
+ int n = 5000;
+ std::vector<double> x(n), y(n), z(n), w(n,2);
+ for(int i=0; i<n; ++i) {
+ x.at(i) = i*i;
+ y.at(i) = sin(2*M_PI*i/360.0);
+ z.at(i) = log(i);
+ }
+
+ // Plot line from given x and y data. Color is selected automatically.
+ plt::plot(x, y);
+ // Plot a red dashed line from given x and y data.
+ plt::plot(x, w,"r--");
+ // Plot a line whose name will show up as "log(x)" in the legend.
+ plt::named_plot("log(x)", x, z);
+
+ // Set x-axis to interval [0,1000000]
+ plt::xlim(0, 1000*1000);
+
+ // Add graph title
+ plt::title("Sample figure");
+ // Enable legend.
+ plt::legend();
+ // save figure
+ const char* filename = "./basic.png";
+ std::cout << "Saving result to " << filename << std::endl;;
+ plt::save(filename);
+}
diff --git a/examples/basic.png b/examples/basic.png
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diff --git a/examples/minimal.cpp b/examples/minimal.cpp
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+#include "../matplotlibcpp.h"
+
+namespace plt = matplotlibcpp;
+
+int main() {
+ plt::plot({1,3,2,4});
+ plt::show();
+}
diff --git a/examples/minimal.png b/examples/minimal.png
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diff --git a/examples/modern.cpp b/examples/modern.cpp
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+++ b/examples/modern.cpp
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+#define _USE_MATH_DEFINES
+#include <cmath>
+#include "../matplotlibcpp.h"
+
+using namespace std;
+namespace plt = matplotlibcpp;
+
+int main()
+{
+ // plot(y) - the x-coordinates are implicitly set to [0,1,...,n)
+ //plt::plot({1,2,3,4});
+
+ // Prepare data for parametric plot.
+ int n = 5000; // number of data points
+ vector<double> x(n),y(n);
+ for(int i=0; i<n; ++i) {
+ double t = 2*M_PI*i/n;
+ x.at(i) = 16*sin(t)*sin(t)*sin(t);
+ y.at(i) = 13*cos(t) - 5*cos(2*t) - 2*cos(3*t) - cos(4*t);
+ }
+
+ // plot() takes an arbitrary number of (x,y,format)-triples.
+ // x must be iterable (that is, anything providing begin(x) and end(x)),
+ // y must either be callable (providing operator() const) or iterable.
+ plt::plot(x, y, "r-", x, [](double d) { return 12.5+abs(sin(d)); }, "k-");
+
+
+ // show plots
+ plt::show();
+}
diff --git a/examples/modern.png b/examples/modern.png
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diff --git a/examples/nonblock.cpp b/examples/nonblock.cpp
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+++ b/examples/nonblock.cpp
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+#define _USE_MATH_DEFINES
+#include <cmath>
+#include "../matplotlibcpp.h"
+
+namespace plt = matplotlibcpp;
+
+
+using namespace matplotlibcpp;
+using namespace std;
+
+int main()
+{
+ // Prepare data.
+ int n = 5000;
+ std::vector<double> x(n), y(n), z(n), w(n,2);
+ for(int i=0; i<n; ++i) {
+ x.at(i) = i*i;
+ y.at(i) = sin(2*M_PI*i/360.0);
+ z.at(i) = log(i);
+ }
+
+ // Plot line from given x and y data. Color is selected automatically.
+ plt::subplot(2,2,1);
+ plt::plot(x, y);
+
+ // Plot a red dashed line from given x and y data.
+ plt::subplot(2,2,2);
+ plt::plot(x, w,"r--");
+
+ // Plot a line whose name will show up as "log(x)" in the legend.
+ plt::subplot(2,2,3);
+ plt::named_plot("log(x)", x, z);
+
+ // Set x-axis to interval [0,1000000]
+ plt::xlim(0, 1000*1000);
+
+ // Add graph title
+ plt::title("Sample figure");
+ // Enable legend.
+ plt::legend();
+
+ plt::show(false);
+
+ cout << "matplotlibcpp::show() is working in an non-blocking mode" << endl;
+ getchar();
+}
diff --git a/examples/xkcd.cpp b/examples/xkcd.cpp
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+#include "../matplotlibcpp.h"
+#include <vector>
+#include <cmath>
+
+namespace plt = matplotlibcpp;
+
+int main() {
+ std::vector<double> t(1000);
+ std::vector<double> x(t.size());
+
+ for(size_t i = 0; i < t.size(); i++) {
+ t[i] = i / 100.0;
+ x[i] = sin(2.0 * M_PI * 1.0 * t[i]);
+ }
+
+ plt::xkcd();
+ plt::plot(t, x);
+ plt::title("AN ORDINARY SIN WAVE");
+ plt::show();
+}
+
diff --git a/examples/xkcd.png b/examples/xkcd.png
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