Constants.h

Go to the documentation of this file.

//     ____   ______ __
//    / __ \ / ____// /
//   / /_/ // /    / /
//  / ____// /___ / /___   PixInsight Class Library
// /_/     \____//_____/   PCL 2.8.5
// ----------------------------------------------------------------------------
// pcl/Constants.h - Released 2024-12-28T16:53:48Z
// ----------------------------------------------------------------------------
// This file is part of the PixInsight Class Library (PCL).
// PCL is a multiplatform C++ framework for development of PixInsight modules.
//
// Copyright (c) 2003-2024 Pleiades Astrophoto S.L. All Rights Reserved.
//
// Redistribution and use in both source and binary forms, with or without
// modification, is permitted provided that the following conditions are met:
//
// 1. All redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. All redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in the
//    documentation and/or other materials provided with the distribution.
//
// 3. Neither the names "PixInsight" and "Pleiades Astrophoto", nor the names
//    of their contributors, may be used to endorse or promote products derived
//    from this software without specific prior written permission. For written
//    permission, please contact info@pixinsight.com.
//
// 4. All products derived from this software, in any form whatsoever, must
//    reproduce the following acknowledgment in the end-user documentation
//    and/or other materials provided with the product:
//
//    "This product is based on software from the PixInsight project, developed
//    by Pleiades Astrophoto and its contributors (https://pixinsight.com/)."
//
//    Alternatively, if that is where third-party acknowledgments normally
//    appear, this acknowledgment must be reproduced in the product itself.
//
// THIS SOFTWARE IS PROVIDED BY PLEIADES ASTROPHOTO AND ITS CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
// TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL PLEIADES ASTROPHOTO OR ITS
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, BUSINESS
// INTERRUPTION; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; AND LOSS OF USE,
// DATA OR PROFITS) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
// ----------------------------------------------------------------------------
 
#ifndef __PCL_Constants_h
#define __PCL_Constants_h
 
 
#include <pcl/Defs.h>
 
namespace pcl
{
 
// ----------------------------------------------------------------------------
 
template <typename T>
class PCL_CLASS Const
{
public:
 
   static constexpr T pi4       () { return T( 0.785398163397448309615660845819875725e+00L ); }
 
   static constexpr T pi2       () { return T( 0.157079632679489661923132169163975145e+01L ); }
 
   static constexpr T _3pi4     () { return T( 0.2356194490192344928846982537459627175e+01L ); }
 
   static constexpr T pi        () { return T( 0.31415926535897932384626433832795029e+01L ); }
 
   static constexpr T _5pi4     () { return T( 0.3926990816987241548078304229099378625e+01L ); }
 
   static constexpr T _3pi2     () { return T( 0.471238898038468985769396507491925435e+01L ); }
 
   static constexpr T _7pi4     () { return T( 0.5497787143782138167309625920739130075e+01L ); }
 
   static constexpr T _2pi      () { return T( 0.62831853071795864769252867665590058e+01L ); }
 
   static constexpr T _1_pi     () { return T( 0.3183098861837906715377675267450287224677e+00L ); }
 
   static constexpr T _2_pi     () { return T( 0.6366197723675813430755350534900574449355e+00L ); }
 
   static constexpr T _2_sqrtpi () { return T( 0.11283791670955125738961589031215451688501e+01L ); }
 
   static constexpr T deg       () { return T( 0.572957795130823208767981548141051700441964e+02L ); }
 
   static constexpr T rad       () { return T( 0.174532925199432957692369076848861272222e-01L ); }
 
   static constexpr T e         () { return T( 0.27182818284590452353602874713526625e+01L ); }
 
   static constexpr T log2e     () { return T( 0.14426950408889634073599246810018920709799e+01L ); }
 
   static constexpr T log210    () { return T( 0.33219280948873623478703194294893900118996e+01L ); }
 
   static constexpr T log10e    () { return T( 0.4342944819032518276511289189166050837280e+00L ); }
 
   static constexpr T log102    () { return T( 0.3010299956639811952137388947244930416265e+00L ); }
 
   static constexpr T ln2       () { return T( 0.6931471805599453094172321214581766e+00L ); }
 
   static constexpr T ln10      () { return T( 0.23025850929940456840179914546843642e+01L ); }
 
   static constexpr T sqrt2     () { return T( 0.14142135623730950488016887242096980785696e+01L ); }
 
   static constexpr T _1_sqrt2  () { return T( 0.7071067811865475244008443621048490392848e+00L ); }
 
   static constexpr T sqrt2_2   () { return T( 0.7071067811865475244008443621048490392848e+00L ); }
};
 
// ----------------------------------------------------------------------------
 
} // pcl
 
#endif  // __PCL_Constants_h
 
// ----------------------------------------------------------------------------
// EOF pcl/Constants.h - Released 2024-12-28T16:53:48Z