[Boost-commit] svn:boost r74538 - sandbox/multiprecision/libs/multiprecision/src/functions/gamma

Subject: [Boost-commit] svn:boost r74538 - sandbox/multiprecision/libs/multiprecision/src/functions/gamma
From: e_float_at_[hidden]
Date: 2011-09-23 12:58:43

Author: christopher_kormanyos
Date: 2011-09-23 12:58:42 EDT (Fri, 23 Sep 2011)
New Revision: 74538
URL: http://svn.boost.org/trac/boost/changeset/74538

Log:
- Removed the unused "gamma_util" files.
Removed:
   sandbox/multiprecision/libs/multiprecision/src/functions/gamma/gamma_util.cpp
   sandbox/multiprecision/libs/multiprecision/src/functions/gamma/gamma_util.h

Deleted: sandbox/multiprecision/libs/multiprecision/src/functions/gamma/gamma_util.cpp
==============================================================================
--- sandbox/multiprecision/libs/multiprecision/src/functions/gamma/gamma_util.cpp	2011-09-23 12:58:42 EDT (Fri, 23 Sep 2011)
+++ (empty file)
@@ -1,28 +0,0 @@
-
-//          Copyright Christopher Kormanyos 2002 - 2011.
-// Distributed under the Boost Software License, Version 1.0.
-//    (See accompanying file LICENSE_1_0.txt or copy at
-//          http://www.boost.org/LICENSE_1_0.txt)
-
-// This work is based on an earlier work:
-// "Algorithm 910: A Portable C++ Multiple-Precision System for Special-Function Calculations",
-// in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011. http://doi.acm.org/10.1145/1916461.1916469
-
-#include <boost/multiprecision/mp_float_functions.hpp>
-#include "gamma_util.h"
-
-using boost::multiprecision::mp_float;
-
-void GammaUtil::GammaOfPlusXMinusX(const mp_float& x, mp_float& gamma_plus_x, mp_float& gamma_minus_x)
-{
-  // Calculate gamma(x) and gamma(-x) without regard for the actual sign of x.
-  // In other words, calculate gamma(abs(x)) and set the results appropriately
-  // using the reflection formula.
-  const bool    bo_x_isneg    =  boost::multiprecision::isneg(x);
-  const mp_float abs_x         =  boost::multiprecision::fabs(x);
-  const mp_float gamma_x_pos   =  boost::multiprecision::gamma(abs_x);
-  const mp_float gamma_x_neg   = -boost::multiprecision::pi() / ((abs_x * gamma_x_pos) * boost::multiprecision::sin(boost::multiprecision::pi() * abs_x));
-
-  gamma_plus_x  =  bo_x_isneg ? gamma_x_neg : gamma_x_pos;
-  gamma_minus_x =  bo_x_isneg ? gamma_x_pos : gamma_x_neg;
-}

Deleted: sandbox/multiprecision/libs/multiprecision/src/functions/gamma/gamma_util.h
==============================================================================
--- sandbox/multiprecision/libs/multiprecision/src/functions/gamma/gamma_util.h	2011-09-23 12:58:42 EDT (Fri, 23 Sep 2011)
+++ (empty file)
@@ -1,23 +0,0 @@
-
-//          Copyright Christopher Kormanyos 2002 - 2011.
-// Distributed under the Boost Software License, Version 1.0.
-//    (See accompanying file LICENSE_1_0.txt or copy at
-//          http://www.boost.org/LICENSE_1_0.txt)
-
-// This work is based on an earlier work:
-// "Algorithm 910: A Portable C++ Multiple-Precision System for Special-Function Calculations",
-// in ACM TOMS, {VOL 37, ISSUE 4, (February 2011)} (C) ACM, 2011. http://doi.acm.org/10.1145/1916461.1916469
-
-#ifndef _GAMMA_UTIL_2008_01_10_H_
-  #define _GAMMA_UTIL_2008_01_10_H_
-  
-  #include <boost/multiprecision/mp_float.hpp>
-
-  namespace GammaUtil
-  {
-    void GammaOfPlusXMinusX(const boost::multiprecision::mp_float& x,
-                            boost::multiprecision::mp_float& gamma_plus_x,
-                            boost::multiprecision::mp_float& gamma_minus_x);
-  }
-  
-#endif // _GAMMA_UTIL_2008_01_10_H_