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

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Arash Partow
2020-01-01 00:00:00 +00:00
parent 050dcf0b5a
commit 93a9f44f99
26 changed files with 5414 additions and 2681 deletions
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9
exprtk_simple_example_11.cpp
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@ -3,7 +3,7 @@
* C++ Mathematical Expression Toolkit Library *
* *
* Simple Example 11 *
* 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 square_wave2()
typedef exprtk::expression<T> expression_t;
typedef exprtk::parser<T> parser_t;
std::string wave_program =
const std::string wave_program =
" var r := 0; "
" for (var i := 0; i < 1000; i += 1) "
" { "
@ -58,8 +59,8 @@ void square_wave2()
for (t = (T(-2) * pi); t <= (T(+2) * pi); t += delta)
{
T result = expression.value();
printf("%19.15f\t%19.15f\n",t,result);
const T result = expression.value();
printf("%19.15f\t%19.15f\n", t, result);
}
}