Added gaussian blur, some refactor, fast gaussian, fixes MSVC

Dockerfile.msvc

@@ -0,0 +1,32 @@
+FROM mcr.microsoft.com/windows/server:ltsc2022-KB5035857-amd64
+
+# Restore the default Windows shell for correct batch processing.
+SHELL ["cmd", "/S", "/C"]
+
+RUN ` \
+    # Download the Build Tools bootstrapper.
+    curl -SL --output vs_buildtools.exe https://aka.ms/vs/17/release/vs_buildtools.exe ` \
+    ` \
+    # Install Build Tools with the Microsoft.VisualStudio.Workload.AzureBuildTools workload, excluding workloads and components with known issues.
+    && (start /w vs_buildtools.exe --quiet --wait --norestart --nocache ` \
+        --installPath "%ProgramFiles(x86)%\Microsoft Visual Studio\2022\BuildTools" ` \
+        --add Microsoft.VisualStudio.Workload.AzureBuildTools ` \
+        --remove Microsoft.VisualStudio.Component.Windows10SDK.10240 ` \
+        --remove Microsoft.VisualStudio.Component.Windows10SDK.10586 ` \
+        --remove Microsoft.VisualStudio.Component.Windows10SDK.14393 ` \
+        --remove Microsoft.VisualStudio.Component.Windows81SDK ` \
+        || IF "%ERRORLEVEL%"=="3010" EXIT 0) ` \
+    ` \
+    # Cleanup
+    && del /q vs_buildtools.exe
+
+WORKDIR "C:\\sparkyuv"
+
+COPY . .
+
+RUN cmake .
+RUN make
+
+EXPOSE $PORT
+
+CMD [ "make" ]

src/TypeSupport.h

@@ -26,8 +26,8 @@
 #define SPARKYUV_INLINE static inline
 #endif
 
-#define ENABLE_TYPE_IS_F16(T) typename std::enable_if<std::is_same<T, hwy::float16_t>::value, int>::type = 0
-#define ENABLE_TYPE_IS_NOT_F16(T) typename std::enable_if<!std::is_same<T, hwy::float16_t>::value, int>::type = 0
+#define ENABLE_TYPE_IS_F16(T) typename std::enable_if<(std::is_same<T, hwy::float16_t>::value), int>::type = 0
+#define ENABLE_TYPE_IS_NOT_F16(T) typename std::enable_if<(!std::is_same<T, hwy::float16_t>::value), int>::type = 0
 
 template<typename T, ENABLE_TYPE_IS_F16(T)>
 TYPE_INLINE float LoadFloat(const T *src) {