1 files changed, 28 insertions, 0 deletions
diff --git a/gui/wxmain_mrun_genupload.cpp b/gui/wxmain_mrun_genupload.cpp
new file mode 100644
index 0000000..b720e3a
--- /dev/null
+++ b/gui/wxmain_mrun_genupload.cpp
@@ -0,0 +1,28 @@
+#include "stmdsp.hpp"
+#include "exprtk.hpp"
+#include <string>
+#include <vector>
+
+std::vector<stmdsp::dacsample_t> siggen_formula_parse(const std::string& formulaString)
+{
+    double x = 0;
+
+    exprtk::symbol_table<double> symbol_table;
+    symbol_table.add_variable("x", x);
+    symbol_table.add_constants();
+
+    exprtk::expression<double> expression;
+    expression.register_symbol_table(symbol_table);
+
+    exprtk::parser<double> parser;
+    parser.compile(formulaString, expression);
+
+    std::vector<stmdsp::dacsample_t> samples;
+    for (x = 0; samples.size() < stmdsp::SAMPLES_MAX; x += 1) {
+        auto y = static_cast<stmdsp::dacsample_t>(expression.value());
+        samples.push_back(y);
+    }
+
+    return samples;
+}
+