Base: add Precision class

and move the Python binding from Part to Base module

src/Base/PrecisionPyImp.cpp

@@ -0,0 +1,132 @@
+/***************************************************************************
+ *   Copyright (c) 2022 Werner Mayer <wmayer[at]users.sourceforge.net>     *
+ *                                                                         *
+ *   This file is part of the FreeCAD CAx development system.              *
+ *                                                                         *
+ *   This library is free software; you can redistribute it and/or         *
+ *   modify it under the terms of the GNU Library General Public           *
+ *   License as published by the Free Software Foundation; either          *
+ *   version 2 of the License, or (at your option) any later version.      *
+ *                                                                         *
+ *   This library  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 Library General Public License for more details.                  *
+ *                                                                         *
+ *   You should have received a copy of the GNU Library General Public     *
+ *   License along with this library; see the file COPYING.LIB. If not,    *
+ *   write to the Free Software Foundation, Inc., 59 Temple Place,         *
+ *   Suite 330, Boston, MA  02111-1307, USA                                *
+ *                                                                         *
+ ***************************************************************************/
+
+#include "PreCompiled.h"
+
+#include "PrecisionPy.h"
+#include "PrecisionPy.cpp"
+
+
+using Base::Precision;
+using Base::PrecisionPy;
+
+
+// returns a string which represents the object e.g. when printed in python
+std::string PrecisionPy::representation() const
+{
+    return std::string("<Precision object>");
+}
+
+PyObject* PrecisionPy::angular(PyObject * /*args*/)
+{
+    Py::Float v(Precision::Angular());
+    return Py::new_reference_to(v);
+}
+
+PyObject* PrecisionPy::confusion(PyObject * /*args*/)
+{
+    Py::Float v(Precision::Confusion());
+    return Py::new_reference_to(v);
+}
+
+PyObject* PrecisionPy::squareConfusion(PyObject * /*args*/)
+{
+    Py::Float v(Precision::SquareConfusion());
+    return Py::new_reference_to(v);
+}
+
+PyObject* PrecisionPy::intersection(PyObject * /*args*/)
+{
+    Py::Float v(Precision::Intersection());
+    return Py::new_reference_to(v);
+}
+
+PyObject* PrecisionPy::approximation(PyObject * /*args*/)
+{
+    Py::Float v(Precision::Approximation());
+    return Py::new_reference_to(v);
+}
+
+PyObject* PrecisionPy::parametric(PyObject *args)
+{
+    double p;
+    if (PyArg_ParseTuple(args, "d", &p)) {
+        Py::Float v(Precision::Parametric(p));
+        return Py::new_reference_to(v);
+    }
+
+    PyErr_Clear();
+    double t;
+    if (PyArg_ParseTuple(args, "dd", &p, &t)) {
+        Py::Float v(Precision::Parametric(p, t));
+        return Py::new_reference_to(v);
+    }
+
+    PyErr_SetString(PyExc_ValueError, "one or two floats expected");
+    return nullptr;
+}
+
+PyObject* PrecisionPy::isInfinite(PyObject *args)
+{
+    double v;
+    if (!PyArg_ParseTuple(args, "d", &v))
+        return nullptr;
+
+    Py::Boolean b(Precision::IsInfinite(v));
+    return Py::new_reference_to(b);
+}
+
+PyObject* PrecisionPy::isPositiveInfinite(PyObject *args)
+{
+    double v;
+    if (!PyArg_ParseTuple(args, "d", &v))
+        return nullptr;
+
+    Py::Boolean b(Precision::IsPositiveInfinite(v));
+    return Py::new_reference_to(b);
+}
+
+PyObject* PrecisionPy::isNegativeInfinite(PyObject *args)
+{
+    double v;
+    if (!PyArg_ParseTuple(args, "d", &v))
+        return nullptr;
+
+    Py::Boolean b(Precision::IsNegativeInfinite(v));
+    return Py::new_reference_to(b);
+}
+
+PyObject* PrecisionPy::infinite(PyObject * /*args*/)
+{
+    Py::Float v(Precision::Infinite());
+    return Py::new_reference_to(v);
+}
+
+PyObject *PrecisionPy::getCustomAttributes(const char* /*attr*/) const
+{
+    return nullptr;
+}
+
+int PrecisionPy::setCustomAttributes(const char* /*attr*/, PyObject* /*obj*/)
+{
+    return 0;
+}