add fft plugin

src/utils/math.hpp

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <type_traits>
+#include <cmath>
+
+namespace hr
+{
+  template<typename T>
+  T log10(T value) 
+  {
+    if constexpr (std::is_same_v<T, float>) 
+      return std::log10f(value);
+    else if constexpr (std::is_same_v<T, double>) 
+      return std::log10(value);
+    else if constexpr (std::is_same_v<T, long double>) 
+      return std::log10l(value);
+    else 
+    {
+      static_assert(std::is_same_v<T, float> || std::is_same_v<T, double> || std::is_same_v<T, long double>, "Unsupported type for log10");
+      return std::log10(value); // fallback
+    }
+  }
+}