Update copyright years.

[thirdparty/gcc.git] / libstdc++-v3 / include / tr1 / poly_hermite.tcc

diff --git a/libstdc++-v3/include/tr1/poly_hermite.tcc b/libstdc++-v3/include/tr1/poly_hermite.tcc
index 2d8ccfea8d596e7a9ef88d5c636a72a2dae4f5b1..80ea2187e4f94c7f6e2195887dee69be522c86ad 100644 (file)
--- a/libstdc++-v3/include/tr1/poly_hermite.tcc
+++ b/libstdc++-v3/include/tr1/poly_hermite.tcc
@@ -1,12 +1,11 @@
 // Special functions -*- C++ -*-
 
-// Copyright (C) 2006-2007
-// Free Software Foundation, Inc.
+// Copyright (C) 2006-2017 Free Software Foundation, Inc.
 //
 // This file is part of the GNU ISO C++ Library.  This library is free
 // software; you can redistribute it and/or modify it under the
 // terms of the GNU General Public License as published by the
-// Free Software Foundation; either version 2, or (at your option)
+// Free Software Foundation; either version 3, or (at your option)
 // any later version.
 //
 // This library is distributed in the hope that it will be useful,
@@ -14,23 +13,18 @@
 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 // GNU General Public License for more details.
 //
-// You should have received a copy of the GNU General Public License along
-// with this library; see the file COPYING.  If not, write to the Free
-// Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
-// USA.
-//
-// As a special exception, you may use this file as part of a free software
-// library without restriction.  Specifically, if other files instantiate
-// templates or use macros or inline functions from this file, or you compile
-// this file and link it with other files to produce an executable, this
-// file does not by itself cause the resulting executable to be covered by
-// the GNU General Public License.  This exception does not however
-// invalidate any other reasons why the executable file might be covered by
-// the GNU General Public License.
+// Under Section 7 of GPL version 3, you are granted additional
+// permissions described in the GCC Runtime Library Exception, version
+// 3.1, as published by the Free Software Foundation.
+
+// You should have received a copy of the GNU General Public License and
+// a copy of the GCC Runtime Library Exception along with this program;
+// see the files COPYING3 and COPYING.RUNTIME respectively.  If not, see
+// <http://www.gnu.org/licenses/>.
 
 /** @file tr1/poly_hermite.tcc
  *  This is an internal header file, included by other library headers.
- *  You should not attempt to use it directly.
+ *  Do not attempt to use it directly. @headername{tr1/cmath}
  */
 
 //
@@ -45,23 +39,21 @@
 #ifndef _GLIBCXX_TR1_POLY_HERMITE_TCC
 #define _GLIBCXX_TR1_POLY_HERMITE_TCC 1
 
-namespace std
+namespace std _GLIBCXX_VISIBILITY(default)
 {
+#if _GLIBCXX_USE_STD_SPEC_FUNCS
+#elif defined(_GLIBCXX_TR1_CMATH)
 namespace tr1
 {
-
+#else
+# error do not include this header directly, use <cmath> or <tr1/cmath>
+#endif
   // [5.2] Special functions
 
-  /**
-   * @ingroup tr1_math_spec_func
-   * @{
-   */
-
-  //
   // Implementation-space details.
-  //
   namespace __detail
   {
+  _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
     /**
      *   @brief This routine returns the Hermite polynomial
@@ -79,7 +71,7 @@ namespace tr1
      */
     template<typename _Tp>
     _Tp
-    __poly_hermite_recursion(const unsigned int __n, const _Tp __x)
+    __poly_hermite_recursion(unsigned int __n, _Tp __x)
     {
       //  Compute H_0.
       _Tp __H_0 = 1;
@@ -96,7 +88,7 @@ namespace tr1
       unsigned int __i;
       for  (__H_nm2 = __H_0, __H_nm1 = __H_1, __i = 2; __i <= __n; ++__i)
         {
-          __H_n = 2 * (__x * __H_nm1 + (__i - 1) * __H_nm2);
+          __H_n = 2 * (__x * __H_nm1 - (__i - 1) * __H_nm2);
           __H_nm2 = __H_nm1;
           __H_nm1 = __H_n;
         }
@@ -121,7 +113,7 @@ namespace tr1
      */
     template<typename _Tp>
     inline _Tp
-    __poly_hermite(const unsigned int __n, const _Tp __x)
+    __poly_hermite(unsigned int __n, _Tp __x)
     {
       if (__isnan(__x))
         return std::numeric_limits<_Tp>::quiet_NaN();
@@ -129,11 +121,11 @@ namespace tr1
         return __poly_hermite_recursion(__n, __x);
     }
 
-  } // namespace std::tr1::__detail
-
-  /* @} */ // group tr1_math_spec_func
-
-}
+  _GLIBCXX_END_NAMESPACE_VERSION
+  } // namespace __detail
+#if ! _GLIBCXX_USE_STD_SPEC_FUNCS && defined(_GLIBCXX_TR1_CMATH)
+} // namespace tr1
+#endif
 }
 
 #endif // _GLIBCXX_TR1_POLY_HERMITE_TCC