lastland · April 6, 2012 15:25 · Apr 6, 2012
diff --git a/FloatSwap.cc b/FloatSwap.cc
@@ -0,0 +1,16 @@
+#include <cstdio>
+
+void swap(int & a, int & b)
+{
+    a = a ^ b;
+    b = a ^ b;
+    a = a ^ b;
+}
+
+int main()
+{
+    float a = 1.1, b = 2.3;
+    swap(*(int*)&a, *(int*)&b);
+    printf("%f\t%f\n", a, b); 
+    return 0;
+}