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/basic.cpp b/examples/basic.cpp
new file mode 100644
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--- /dev/null
+++ 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);
+}