Fix more warnings in examples

Completing #545
boostorg · Jan 28, 2021 · 5d63cf6 · 5d63cf6
1 parent 6f0a061
commit 5d63cf6
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Showing 3 changed files with 11 additions and 8 deletions.
diff --git a/example/harris.cpp b/example/harris.cpp
@@ -71,7 +71,11 @@ void apply_gaussian_blur(gil::gray8_view_t input_view, gil::gray8_view_t output_
     constexpr static auto filterHeight = 5ull;
     constexpr static auto filterWidth = 5ull;
     constexpr static double filter[filterHeight][filterWidth] = {
-        2, 4, 6, 4, 2, 4, 9, 12, 9, 4, 5, 12, 15, 12, 5, 4, 9, 12, 9, 4, 2, 4, 5, 4, 2,
+        { 2, 4, 6, 4, 2 },
+        { 4, 9, 12, 9, 4 },
+        { 5, 12, 15, 12, 5},
+        { 4, 9, 12, 9, 4 },
+        { 2, 4, 5, 4, 2 }
     };
     constexpr double factor = 1.0 / 159;
     constexpr double bias = 0.0;

diff --git a/example/hessian.cpp b/example/hessian.cpp
@@ -64,11 +64,11 @@ void apply_gaussian_blur(gil::gray8_view_t input_view, gil::gray8_view_t output_
     constexpr static auto filter_width = 5ull;
     constexpr static double filter[filter_height][filter_width] =
     {
-        2,  4,  6,  4,  2,
-        4, 9, 12, 9,  4,
-        5, 12, 15, 12,  5,
-        4, 9, 12, 9,  4,
-        2,  4,  5,  4,  2,
+        { 2,  4,  6,  4,  2 },
+        { 4, 9, 12, 9,  4 },
+        { 5, 12, 15, 12,  5 },
+        { 4, 9, 12, 9,  4 },
+        { 2,  4,  5,  4,  2 }
     };
     constexpr double factor = 1.0 / 159;
     constexpr double bias = 0.0;

diff --git a/example/hvstack.hpp b/example/hvstack.hpp
@@ -1,6 +1,7 @@
 #include "boost/gil/image_view_factory.hpp"
 #include <boost/gil/image.hpp>
 #include <boost/gil/image_view.hpp>
+#include <cmath>
 #include <numeric>
 #include <stdexcept>
 #include <vector>
@@ -15,7 +16,6 @@ void hstack(const std::vector<View>& views, const View& output_view)
     }
 
     auto height = views.front().height();
-    auto width = views.front().width();
     for (const auto& view : views)
     {
         if (view.height() != height)
@@ -50,7 +50,6 @@ image<typename View::value_type> hstack(const std::vector<View>& views)
         throw std::invalid_argument("empty views vector is passed - cannot create stacked image");
     }
 
-    auto dimensions = views.front().dimensions();
     std::ptrdiff_t full_width =
         std::accumulate(views.begin(), views.end(), 0,
                         [](std::ptrdiff_t old, const View& view) { return old + view.width(); });