C++ Mathematical Expression Library (ExprTk)  https://www.partow.net/programming/exprtk/index.html

exprtk_simple_example_11.cpp

diff --git a/exprtk_simple_example_11.cpp b/exprtk_simple_example_11.cpp
index 95c22a7..628285e 100644
--- a/exprtk_simple_example_11.cpp
+++ b/exprtk_simple_example_11.cpp
@@ -30,7 +30,7 @@
 
    std::string wave_program =
                   " var r := 0;                                         "
-                  " for(var i := 0; i < 1000; i += 1)                   "
+                  " for (var i := 0; i < 1000; i += 1)                  "
                   " {                                                   "
                   "   r += (1 / (2i + 1)) * sin((4i + 2) * pi * f * t); "
                   " };                                                  "

exprtk_simple_example_12.cpp

diff --git a/exprtk_simple_example_12.cpp b/exprtk_simple_example_12.cpp
index 9299193..1aed5af 100644
--- a/exprtk_simple_example_12.cpp
+++ b/exprtk_simple_example_12.cpp
@@ -29,23 +29,23 @@
    typedef exprtk::parser<T>             parser_t;
 
    std::string bubblesort_program =
-                  " var upper_bound := v[];                          "
-                  " var swapped := false;                            "
-                  " repeat                                           "
-                  "   swapped := false;                              "
-                  "   for(var i := 0; i < upper_bound; i += 1)       "
-                  "   {                                              "
-                  "     for(var j := i + 1; j < upper_bound; j += 1) "
-                  "     {                                            "
-                  "       if (v[i] > v[j])                           "
-                  "       {                                          "
-                  "         v[i] <=> v[j];                           "
-                  "         swapped := true;                         "
-                  "       };                                         "
-                  "     };                                           "
-                  "   };                                             "
-                  "   upper_bound -= 1;                              "
-                  " until (not(swapped) or (upper_bound == 0));      ";
+                  " var upper_bound := v[];                           "
+                  " var swapped := false;                             "
+                  " repeat                                            "
+                  "   swapped := false;                               "
+                  "   for (var i := 0; i < upper_bound; i += 1)       "
+                  "   {                                               "
+                  "     for (var j := i + 1; j < upper_bound; j += 1) "
+                  "     {                                             "
+                  "       if (v[i] > v[j])                            "
+                  "       {                                           "
+                  "         v[i] <=> v[j];                            "
+                  "         swapped := true;                          "
+                  "       };                                          "
+                  "     };                                            "
+                  "   };                                              "
+                  "   upper_bound -= 1;                               "
+                  " until (not(swapped) or (upper_bound == 0));       ";
 
    T v[] = { T(2.2), T(1.1), T(5.5), T(4.4), T(3.3) };