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Add ExprTk_BUILD_EXAMPLES to build examples

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Also move examples into an examples folder
This commit is contained in:
Spiros Tsalikis
2023-02-25 15:01:05 -05:00
parent 2c35cb4e74
commit 1491ae63ca
21 changed files with 78 additions and 19 deletions
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59
examples/exprtk_simple_example_06.cpp Normal file
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/*
**************************************************************
* C++ Mathematical Expression Toolkit Library *
* *
* Simple Example 6 *
* Author: Arash Partow (1999-2023) *
* URL: https://www.partow.net/programming/exprtk/index.html *
* *
* Copyright notice: *
* Free use of the Mathematical Expression Toolkit Library is *
* permitted under the guidelines and in accordance with the *
* most current version of the MIT License. *
* https://www.opensource.org/licenses/MIT *
* *
**************************************************************
*/
#include <cstdio>
#include <string>
#include "exprtk.hpp"
template <typename T>
void vector_function()
{
typedef exprtk::symbol_table<T> symbol_table_t;
typedef exprtk::expression<T> expression_t;
typedef exprtk::parser<T> parser_t;
const std::string expression_string =
" for (var i := 0; i < min(x[],y[],z[]); i += 1) "
" { "
" z[i] := 3sin(x[i]) + 2log(y[i]); "
" } ";
T x[] = { T(1.1), T(2.2), T(3.3), T(4.4), T(5.5) };
T y[] = { T(1.1), T(2.2), T(3.3), T(4.4), T(5.5) };
T z[] = { T(0.0), T(0.0), T(0.0), T(0.0), T(0.0) };
symbol_table_t symbol_table;
symbol_table.add_vector("x",x);
symbol_table.add_vector("y",y);
symbol_table.add_vector("z",z);
expression_t expression;
expression.register_symbol_table(symbol_table);
parser_t parser;
parser.compile(expression_string,expression);
expression.value();
}
int main()
{
vector_function<double>();
return 0;
}