reintegration of LatCore & folder restructuration

2025-06-22 00:42:02 +01:00 · 2019-02-10 00:23:36 +00:00
parent 6addec5e14
commit 83d5428c3a
111 changed files with 6974 additions and 315 deletions
--- a/lib/Functional/CompiledFunction.cpp
+++ b/lib/Functional/CompiledFunction.cpp
@ -0,0 +1,131 @@
+/*
+ * CompiledFunction.cpp, part of LatAnalyze 3
+ *
+ * Copyright (C) 2013 - 2016 Antonin Portelli
+ *
+ * LatAnalyze 3 is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * LatAnalyze 3 is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with LatAnalyze 3.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include <LatAnalyze/Functional/CompiledFunction.hpp>
+#include <LatAnalyze/Core/Math.hpp>
+#include <LatAnalyze/includes.hpp>
+
+using namespace std;
+using namespace Latan;
+
+/******************************************************************************
+ *                   Compiled double function implementation                  *
+ ******************************************************************************/
+// constructors ////////////////////////////////////////////////////////////////
+CompiledDoubleFunction::CompiledDoubleFunction(const Index nArg)
+: nArg_(nArg)
+{}
+
+CompiledDoubleFunction::CompiledDoubleFunction(const string &code,
+                                               const Index nArg)
+: CompiledDoubleFunction(nArg)
+{
+    setCode(code);
+}
+
+// access //////////////////////////////////////////////////////////////////////
+string CompiledDoubleFunction::getCode(void)
+{
+    return code_;
+}
+
+void CompiledDoubleFunction::setCode(const string &code)
+{
+    code_ = code;
+    interpreter_.reset(new MathInterpreter(code));
+    context_.reset(new RunContext);
+    varAddress_.reset(new std::vector<unsigned int>);
+    isCompiled_.reset(new bool(false));
+}
+
+// compile /////////////////////////////////////////////////////////////////////
+void CompiledDoubleFunction::compile(void) const
+{
+    if (!*isCompiled_)
+    {
+        varAddress_->clear();
+        for (Index i = 0; i < nArg_; ++i)
+        {
+            varAddress_->push_back(context_->addVariable("x_" + strFrom(i)));
+        }
+        interpreter_->compile(*(context_));
+        *isCompiled_ = true;
+    }
+}
+
+// function call ///////////////////////////////////////////////////////////////
+double CompiledDoubleFunction::operator()(const double *arg) const
+{
+    double result;
+    
+    compile();
+    for (unsigned int i = 0; i < nArg_; ++i)
+    {
+        context_->setVariable((*varAddress_)[i], arg[i]);
+    }
+    (*interpreter_)(*context_);
+    if (!context_->stack().empty())
+    {
+        result = context_->stack().top();
+        context_->stack().pop();
+    }
+    else
+    {
+        result = 0.0;
+        LATAN_ERROR(Program, "program execution resulted in an empty stack");
+    }
+    
+    return result;
+}
+
+// IO //////////////////////////////////////////////////////////////////////////
+ostream & Latan::operator<<(ostream &out, CompiledDoubleFunction &f)
+{
+    f.compile();
+    out << *(f.interpreter_);
+    
+    return out;
+}
+
+// DoubleFunction factory //////////////////////////////////////////////////////
+DoubleFunction CompiledDoubleFunction::makeFunction(const bool makeHardCopy)
+                                                    const
+{
+    DoubleFunction res;
+
+    if (makeHardCopy)
+    {
+        CompiledDoubleFunction copy(*this);
+
+        res.setFunction([copy](const double *p){return copy(p);}, nArg_);
+    }
+    else
+    {
+        res.setFunction([this](const double *p){return (*this)(p);}, nArg_);
+    }
+    
+    return res;
+}
+
+DoubleFunction Latan::compile(const string code, const Index nArg)
+{
+    CompiledDoubleFunction compiledFunc(code, nArg);
+
+    return compiledFunc.makeFunction();
+}