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

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Arash Partow
2020-01-01 00:00:00 +00:00
parent f32d2b4bbb
commit e67b22afd9
25 changed files with 3701 additions and 1792 deletions
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7
exprtk_simple_example_07.cpp
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@ -3,7 +3,7 @@
* C++ Mathematical Expression Toolkit Library *
* *
* Simple Example 7 *
* Author: Arash Partow (1999-2018) *
* Author: Arash Partow (1999-2020) *
* URL: http://www.partow.net/programming/exprtk/index.html *
* *
* Copyright notice: *
@ -18,6 +18,7 @@
#include <cstdio>
#include <string>
#include "exprtk.hpp"
@ -28,7 +29,7 @@ void logic()
typedef exprtk::expression<T> expression_t;
typedef exprtk::parser<T> parser_t;
std::string expression_string = "not(A and B) or C";
const std::string expression_string = "not(A and B) or C";
symbol_table_t symbol_table;
symbol_table.create_variable("A");
@ -52,7 +53,7 @@ void logic()
symbol_table.get_variable("B")->ref() = T((i & 0x02) ? 1 : 0);
symbol_table.get_variable("C")->ref() = T((i & 0x04) ? 1 : 0);
int result = static_cast<int>(expression.value());
const int result = static_cast<int>(expression.value());
printf(" %d | %d | %d | %d | %d \n",
i,