🐛 use fuzzy comparison for floating point in const evaluation equalit…

…y check

Signed-off-by: burgholzer <burgholzer@me.com>

include/mqt-core/ir/parsers/qasm3_parser/passes/ConstEvalPass.hpp

@@ -18,6 +18,7 @@
 
 #include <cstddef>
 #include <cstdint>
+#include <limits>
 #include <memory>
 #include <optional>
 #include <string>
@@ -65,7 +66,8 @@ struct ConstEvalValue {
     case ConstUint:
       return std::get<0>(value) == std::get<0>(rhs.value);
     case ConstFloat:
-      return std::get<1>(value) == std::get<1>(rhs.value);
+      return std::abs(std::get<1>(value) - std::get<1>(rhs.value)) <
+             std::numeric_limits<double>::epsilon() * 1024;
     case ConstBool:
       return std::get<2>(value) == std::get<2>(rhs.value);
     }