Int Branching instructions

src/stackframe.rs

@@ -304,6 +304,14 @@ impl StackFrame {
         }
     }
 
+    pub fn load_local_float(&self, index: u16) -> Result<f32, Error> {
+        let local = self.locals[index as usize];
+        match local {
+            StackValue::Float(f) => Ok(f),
+            _ => Err(Error::LocalError(format!("Mismatched type at index {} of the function locals, expected Float but found '{:?}'", index, local)))
+        }
+    }
+
     pub fn load_local_int(&self, index: u16) -> Result<i32, Error> {
         let local = self.locals[index as usize];
         match local {