Never use floating point to set array sizes 😈

Fix issue #380


Former-commit-id: a29ce1d8aaafaaaf4f2436b7c112860f39e4636f
Former-commit-id: a37dcea6a5bdf5ee48cf7d3f2ef1d4498c5f8d32
Former-commit-id: a8dae8a8bf62a75b936db60b6eb729ad314be2f6

src/ImageProcessorCore/Samplers/Resampler.cs

@@ -80,7 +80,7 @@ namespace ImageProcessorCore.Samplers
                     result[i] = new Weights
                     {
                         Sum = 0,
-                        Values = new Weight[(int)Math.Floor((2 * width) + 1)]
+                        Values = new Weight[(int)(right - left + 1)]
                     };
 
                     for (double j = left; j <= right; j++)
@@ -116,7 +116,7 @@ namespace ImageProcessorCore.Samplers
                     result[i] = new Weights
                     {
                         Sum = 0,
-                        Values = new Weight[(int)((radius * 2) + 1)]
+                        Values = new Weight[(int)(right - left + 1)]
                     };
 
                     for (double j = left; j <= right; j++)