Fix 'switch' bytecode generation. Remove __strtof. Fix opcodes pretty-printing.

tests/jerry/arithmetics-2.js

@@ -26,7 +26,7 @@ c = a * b;
 assert(c == 210);
 
 c = a / b;
-assert(c == 2.1);
+assert(c >= 2.1 - 0.000001 && c <= 2.1 + 0.000001);
 
 c = a % b;
 assert(c == 1);

tests/jerry/math_log.js

@@ -27,7 +27,7 @@ assert( very_close_to_1_but_greater > 1.0 );
 assert( Math.log (very_close_to_1_but_greater) >= 0.0 );
 assert( Math.log (very_close_to_1_but_greater) <= 0.000001 );
 
-var very_close_to_1_but_less = 0.9999999;
+var very_close_to_1_but_less = 0.999999;
 assert( very_close_to_1_but_less < 1.0 );
 
 assert( Math.log (very_close_to_1_but_less) <= 0.0 );

tests/jerry/switch_case.js

@@ -47,3 +47,18 @@ switch (a) {
   case 3:
     assert (0);
 }
+
+var counter = 0;
+
+switch ("var") {
+  case "var":
+    counter++;
+  case "var1":
+    counter++;
+  case "var2":
+    counter++;
+  default:
+    counter++;
+}
+
+assert (counter === 4);