add signal generator sin and more...

bin/main.signal_generator.cpp

@@ -0,0 +1,9 @@
+#include <hack/logger/logger.hpp>
+#include "harmonica.hpp" // IWYU pragma: keep
+
+auto main() -> int
+{
+  hr::signal_generator generator;
+  auto s = generator.generate(hr::SIGNAL_TYPE::SIN);
+  hack::log()(s);
+}