You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
33 lines
800 B
C++
33 lines
800 B
C++
#include "stmdsp.hpp"
|
|
#include "exprtk.hpp"
|
|
|
|
#include <algorithm>
|
|
#include <string_view>
|
|
#include <vector>
|
|
|
|
std::vector<stmdsp::dacsample_t> deviceGenLoadFormulaEval(const std::string& formulaString)
|
|
{
|
|
double x = 0;
|
|
|
|
exprtk::symbol_table<double> symbol_table;
|
|
exprtk::expression<double> expression;
|
|
exprtk::parser<double> parser;
|
|
|
|
symbol_table.add_variable("x", x);
|
|
symbol_table.add_constants();
|
|
expression.register_symbol_table(symbol_table);
|
|
parser.compile(formulaString, expression);
|
|
|
|
std::vector<stmdsp::dacsample_t> samples (stmdsp::SAMPLES_MAX);
|
|
|
|
auto genFun = [&x, &expression] {
|
|
stmdsp::dacsample_t s = expression.value();
|
|
++x;
|
|
return s;
|
|
};
|
|
|
|
std::generate(samples.begin(), samples.end(), genFun);
|
|
return samples;
|
|
}
|
|
|