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

exprtk_simple_example_04.cpp

@@ -66,7 +66,6 @@ void fibonacci()
    expression.register_symbol_table(symbol_table);
 
    parser_t parser;
-
    parser.compile(expression_str,expression);
 
    for (std::size_t i = 0; i < 40; ++i)

exprtk_simple_example_06.cpp

@@ -47,7 +47,6 @@ void vector_function()
    expression.register_symbol_table(symbol_table);
 
    parser_t parser;
-
    parser.compile(expression_string,expression);
 
    expression.value();

exprtk_simple_example_11.cpp

@@ -52,7 +52,6 @@ void square_wave2()
    expression.register_symbol_table(symbol_table);
 
    parser_t parser;
-
    parser.compile(wave_program,expression);
 
    const T delta = (T(4) * pi) / T(1000);

exprtk_simple_example_12.cpp

@@ -56,7 +56,6 @@ void bubble_sort()
    expression.register_symbol_table(symbol_table);
 
    parser_t parser;
-
    parser.compile(bubblesort_program,expression);
 
    expression.value();

exprtk_simple_example_13.cpp

@@ -82,7 +82,6 @@ void savitzky_golay_filter()
    expression.register_symbol_table(symbol_table);
 
    parser_t parser;
-
    parser.compile(sgfilter_program,expression);
 
    expression.value();

exprtk_simple_example_16.cpp

@@ -66,7 +66,6 @@ void linear_least_squares()
    expression.register_symbol_table(symbol_table);
 
    parser_t parser;
-
    parser.compile(linear_least_squares_program,expression);
 
    expression.value();