Fix pedantic warnings on MSVC, GCC, and Clang

Author: alandefreitas

examples/appearance/multiplot/colororder/colororder_2.cpp

@@ -10,7 +10,7 @@ int main() {
 
     hold(on);
     for (size_t r = 1; r <= 7; ++r) {
-        auto x = linspace(0, r, 500);
+        auto x = linspace(0., static_cast<double>(r), 500);
         auto y =
             transform(x, [&](double x) { return sqrt(pow(r, 2) - pow(x, 2)); });
         plot(x, y)->line_width(15);

examples/data_distribution/binscatter/binscatter_1.cpp

@@ -15,7 +15,7 @@ int main() {
     scatter(ax1, x_reduced, y_reduced);
     title(ax1, "Scatter plot (n=1000)");
 
-    auto x = randn(1e6, 0, 1);
+    auto x = randn(1000000, 0., 1.);
     auto y = transform(x, [](double x) { return 2 * x + randn(0, 1); });
     auto ax2 = subplot(1, 2, 1);
     binscatter(ax2, x, y);

examples/data_distribution/binscatter/binscatter_2.cpp

@@ -10,7 +10,7 @@ int main() {
     f->x_position(200);
     f->y_position(100);
 
-    auto x = randn(1e6, 0, 1);
+    auto x = randn(1000000, 0., 1.);
     auto y = transform(x, [](double x) { return 2 * x + randn(0, 1); });
     std::vector x_line(x.begin(), x.begin() + 1000);
     std::vector y_line(y.begin(), y.begin() + 1000);

examples/data_distribution/binscatter/binscatter_3.cpp

@@ -11,7 +11,7 @@ int main() {
     f->x_position(200);
     f->y_position(100);
 
-    auto x = randn(1e6, 0, 1);
+    auto x = randn(1000000, 0., 1.);
     auto y = transform(x, [](double x) { return 2 * x + randn(0, 1); });
 
     bin_scatter_style b = bin_scatter_style::automatic;

examples/data_distribution/binscatter/binscatter_4.cpp

@@ -11,7 +11,7 @@ int main() {
     f->x_position(200);
     f->y_position(100);
 
-    auto x = randn(1e6, 0, 1);
+    auto x = randn(1000000, 0., 1.);
     auto y = transform(x, [](double x) { return 2 * x + randn(0, 1); });
 
     bin_scatter_style b = bin_scatter_style::heatmap;

examples/data_distribution/binscatter/binscatter_5.cpp

@@ -12,8 +12,8 @@ int main() {
     f->y_position(100);
     f->quiet_mode(true);
 
-    auto x = randn(1e4, 0, 1);
-    auto y = randn(1e4, 0, 1);
+    auto x = randn(10000, 0., 1.);
+    auto y = randn(10000, 0., 1.);
 
     subplot(2, 3, 0);
     scatter(x, y);

examples/data_distribution/binscatter/binscatter_6.cpp

@@ -5,8 +5,8 @@
 int main() {
     using namespace matplot;
 
-    auto x = randn(1e5, 0, 1);
-    auto y = randn(1e5, 0, 1);
+    auto x = randn(100000, 0., 1.);
+    auto y = randn(100000, 0., 1.);
 
     binscatter(x, y, bin_scatter_style::point_colormap);
     colormap(gca(), palette::parula());

examples/data_distribution/binscatter/binscatter_7.cpp

@@ -5,8 +5,8 @@
 int main() {
     using namespace matplot;
 
-    auto x = randn(100000, 0, 1);
-    auto y = randn(100000, 0, 1);
+    auto x = randn(100000, 0., 1.);
+    auto y = randn(100000, 0., 1.);
 
     binscatter(x, y, 20, 30, bin_scatter_style::heatmap);
     axis(tight);

examples/data_distribution/heatmap/heatmap_5.cpp

@@ -18,9 +18,9 @@ int main() {
          "Severe Storm", "Thunder Storm", "Unknown", "Wind", "Winter Storm"});
     xlabel(ax, "Region");
     ylabel(ax, "Cause");
-    double w = ax->width();
-    ax->width(w * 0.85);
-    ax->x_origin(ax->x_origin() + w * 0.1);
+    float w = ax->width();
+    ax->width(w * 0.85f);
+    ax->x_origin(ax->x_origin() + w * 0.1f);
 
     show();
     return 0;

examples/data_distribution/heatmap/heatmap_6.cpp

@@ -20,9 +20,9 @@ int main() {
          "Severe Storm", "Thunder Storm", "Unknown", "Wind", "Winter Storm"});
     xlabel(ax, "Region");
     ylabel(ax, "Cause");
-    double w = ax->width();
-    ax->width(w * 0.85);
-    ax->x_origin(ax->x_origin() + w * 0.1);
+    float w = ax->width();
+    ax->width(w * 0.85f);
+    ax->x_origin(ax->x_origin() + w * 0.1f);
 
     show();
     return 0;