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/modern.cpp 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();
+}