You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
21 lines
597 B
21 lines
597 B
// This file is part of libigl, a simple c++ geometry processing library.
|
|
//
|
|
// Copyright (C) 2013 Alec Jacobson <alecjacobson@gmail.com>
|
|
//
|
|
// This Source Code Form is subject to the terms of the Mozilla Public License
|
|
// v. 2.0. If a copy of the MPL was not distributed with this file, You can
|
|
// obtain one at http://mozilla.org/MPL/2.0/.
|
|
#ifndef IGL_PI_H
|
|
#define IGL_PI_H
|
|
namespace igl
|
|
{
|
|
// Use standard mathematical constants' M_PI if available
|
|
#ifdef M_PI
|
|
/// π
|
|
constexpr double PI = M_PI;
|
|
#else
|
|
/// π
|
|
constexpr double PI = 3.1415926535897932384626433832795;
|
|
#endif
|
|
}
|
|
#endif
|
|
|