mirror of
https://github.com/microsoft/PowerToys.git
synced 2024-12-03 19:39:07 +08:00
123 lines
3.5 KiB
C#
123 lines
3.5 KiB
C#
// ==========================================================================
|
|
// This software is subject to the provisions of the Zope Public License,
|
|
// Version 2.0 (ZPL). A copy of the ZPL should accompany this distribution.
|
|
// THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
|
|
// WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
// WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
|
|
// FOR A PARTICULAR PURPOSE.
|
|
// ==========================================================================
|
|
|
|
using System;
|
|
using System.Runtime.InteropServices;
|
|
|
|
namespace Python.Runtime {
|
|
|
|
/// <summary>
|
|
/// Represents a Python float object. See the documentation at
|
|
/// http://www.python.org/doc/current/api/floatObjects.html
|
|
/// </summary>
|
|
|
|
public class PyFloat : PyNumber {
|
|
|
|
/// <summary>
|
|
/// PyFloat Constructor
|
|
/// </summary>
|
|
///
|
|
/// <remarks>
|
|
/// Creates a new PyFloat from an existing object reference. Note
|
|
/// that the instance assumes ownership of the object reference.
|
|
/// The object reference is not checked for type-correctness.
|
|
/// </remarks>
|
|
|
|
public PyFloat(IntPtr ptr) : base(ptr) {}
|
|
|
|
|
|
/// <summary>
|
|
/// PyFloat Constructor
|
|
/// </summary>
|
|
///
|
|
/// <remarks>
|
|
/// Copy constructor - obtain a PyFloat from a generic PyObject. An
|
|
/// ArgumentException will be thrown if the given object is not a
|
|
/// Python float object.
|
|
/// </remarks>
|
|
|
|
public PyFloat(PyObject o) : base() {
|
|
if (!IsFloatType(o)) {
|
|
throw new ArgumentException("object is not a float");
|
|
}
|
|
Runtime.Incref(o.obj);
|
|
obj = o.obj;
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// PyFloat Constructor
|
|
/// </summary>
|
|
///
|
|
/// <remarks>
|
|
/// Creates a new Python float from a double value.
|
|
/// </remarks>
|
|
|
|
public PyFloat(double value) : base() {
|
|
obj = Runtime.PyFloat_FromDouble(value);
|
|
if (obj == IntPtr.Zero) {
|
|
throw new PythonException();
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// PyFloat Constructor
|
|
/// </summary>
|
|
///
|
|
/// <remarks>
|
|
/// Creates a new Python float from a string value.
|
|
/// </remarks>
|
|
|
|
public PyFloat(string value) : base() {
|
|
PyString s = new PyString(value);
|
|
obj = Runtime.PyFloat_FromString(s.obj, IntPtr.Zero);
|
|
if (obj == IntPtr.Zero) {
|
|
throw new PythonException();
|
|
}
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// IsFloatType Method
|
|
/// </summary>
|
|
///
|
|
/// <remarks>
|
|
/// Returns true if the given object is a Python float.
|
|
/// </remarks>
|
|
|
|
public static bool IsFloatType(PyObject value) {
|
|
return Runtime.PyFloat_Check(value.obj);
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
/// AsFloat Method
|
|
/// </summary>
|
|
///
|
|
/// <remarks>
|
|
/// <remarks>
|
|
/// Convert a Python object to a Python float if possible, raising
|
|
/// a PythonException if the conversion is not possible. This is
|
|
/// equivalent to the Python expression "float(object)".
|
|
/// </remarks>
|
|
|
|
public static PyFloat AsFloat(PyObject value) {
|
|
IntPtr op = Runtime.PyNumber_Float(value.obj);
|
|
if (op == IntPtr.Zero) {
|
|
throw new PythonException();
|
|
}
|
|
return new PyFloat(op);
|
|
}
|
|
|
|
|
|
}
|
|
|
|
}
|