diff --git a/stb_image_resize.h b/stb_image_resize.h
index 0322743..e642e41 100644
--- a/stb_image_resize.h
+++ b/stb_image_resize.h
@@ -787,8 +787,9 @@ static void stbir__calculate_coefficients_downsample(stbir__info* stbir_info, st
 
 	for (i = 0; i <= out_last_pixel - out_first_pixel; i++)
 	{
-		float in_pixel_center = (float)(i + out_first_pixel) + 0.5f;
-		coefficient_group[i] = stbir__filter_info_table[filter].kernel((out_center_of_in - in_pixel_center)/scale_ratio);
+		float out_pixel_center = (float)(i + out_first_pixel) + 0.5f;
+		float x = out_pixel_center - out_center_of_in;
+		coefficient_group[i] = stbir__filter_info_table[filter].kernel(x) * scale_ratio;
 	}
 }
 
@@ -1719,7 +1720,7 @@ static int stbir__resize_allocated(stbir__info *info,
 		info->ring_buffer = STBIR__NEXT_MEMPTR(info->decode_buffer, info->decode_buffer_pixels * info->channels * sizeof(float), float);
 		info->encode_buffer = STBIR__NEXT_MEMPTR(info->ring_buffer, info->ring_buffer_length_bytes * stbir__get_filter_pixel_width_horizontal(info), float);
 
-		STBIR__DEBUG_ASSERT((size_t)STBIR__NEXT_MEMPTR(info->encode_buffer, info->channels * sizeof(float), unsigned char) == (size_t)tempmem + tempmem_size_in_bytes);
+		STBIR__DEBUG_ASSERT((size_t)STBIR__NEXT_MEMPTR(info->encode_buffer, info->output_w * info->channels * sizeof(float), unsigned char) == (size_t)tempmem + tempmem_size_in_bytes);
 	}
 	else
 	{
diff --git a/tests/resample_test.cpp b/tests/resample_test.cpp
index 5ec6f2c..3aae86a 100644
--- a/tests/resample_test.cpp
+++ b/tests/resample_test.cpp
@@ -647,19 +647,6 @@ void test_suite(int argc, char **argv)
 	}
 	#endif
 
-	/*resize_image("white-stripes.png", 0.5f, 0.5f, STBIR_FILTER_BOX, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-50-nearest.png");
-	resize_image("white-stripes.png", 0.5f, 0.5f, STBIR_FILTER_BILINEAR, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-50-bilinear.png");
-	resize_image("white-stripes.png", 0.5f, 0.5f, STBIR_FILTER_BICUBIC, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-50-bicubic.png");
-	resize_image("white-stripes.png", 0.5f, 0.5f, STBIR_FILTER_MITCHELL, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-50-mitchell.png");
-	resize_image("white-stripes.png", 0.5f, 0.5f, STBIR_FILTER_CATMULLROM, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-50-catmullrom.png");
-
-	resize_image("white-stripes.png", 0.25f, 0.25f, STBIR_FILTER_BOX, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-25-nearest.png");
-	resize_image("white-stripes.png", 0.25f, 0.25f, STBIR_FILTER_BILINEAR, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-25-bilinear.png");
-	resize_image("white-stripes.png", 0.25f, 0.25f, STBIR_FILTER_BICUBIC, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-25-bicubic.png");
-	resize_image("white-stripes.png", 0.25f, 0.25f, STBIR_FILTER_MITCHELL, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-25-mitchell.png");
-	resize_image("white-stripes.png", 0.25f, 0.25f, STBIR_FILTER_CATMULLROM, STBIR_EDGE_WRAP, STBIR_COLORSPACE_LINEAR, "test-output/white-stripes-down-25-catmullrom.png");
-
-	return;*/
 	test_filters();
 
 	test_subpixel_1();