text: //=================================================================================================
  /*!
  //  \file blaze/math/functors/Abs.h
  //  \brief Header file for the Abs functor
  //
  //  Copyright (C) 2012-2020 Klaus Iglberger - All Rights Reserved
  //
  //  This file is part of the Blaze library. You can redistribute it and/or modify it under
  //  the terms of the New (Revised) BSD License. Redistribution and use in source and binary
  //  forms, with or without modification, are permitted provided that the following conditions
  //  are met:
  //
  //  1. Redistributions of source code must retain the above copyright notice, this list of
  //     conditions and the following disclaimer.
  //  2. 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 of the Blaze development group nor the names of its contributors
  //     may be used to endorse or promote products derived from this software without specific
  //     prior written permission.
  //
  //  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
  //  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
  //  TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
  //  BUSINESS INTERRUPTION) 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 _BLAZE_MATH_FUNCTORS_ABS_H_
  #define _BLAZE_MATH_FUNCTORS_ABS_H_
  
  
  //*************************************************************************************************
  // Includes
  //*************************************************************************************************
  
  #include <utility>
  #include <blaze/math/constraints/SIMDPack.h>
  #include <blaze/math/shims/Abs.h>
  #include <blaze/math/simd/Abs.h>
  #include <blaze/math/typetraits/HasSIMDAbs.h>
  #include <blaze/math/typetraits/IsHermitian.h>
  #include <blaze/math/typetraits/IsLower.h>
  #include <blaze/math/typetraits/IsStrictlyLower.h>
  #include <blaze/math/typetraits/IsStrictlyUpper.h>
  #include <blaze/math/typetraits/IsSymmetric.h>
  #include <blaze/math/typetraits/IsUniform.h>
  #include <blaze/math/typetraits/IsUniLower.h>
  #include <blaze/math/typetraits/IsUniUpper.h>
  #include <blaze/math/typetraits/IsUpper.h>
  #include <blaze/math/typetraits/IsZero.h>
  #include <blaze/math/typetraits/YieldsLower.h>
  #include <blaze/math/typetraits/YieldsStrictlyLower.h>
  #include <blaze/math/typetraits/YieldsStrictlyUpper.h>
  #include <blaze/math/typetraits/YieldsSymmetric.h>
  #include <blaze/math/typetraits/YieldsUniform.h>
  #include <blaze/math/typetraits/YieldsUniLower.h>
  #include <blaze/math/typetraits/YieldsUniUpper.h>
  #include <blaze/math/typetraits/YieldsUpper.h>
  #include <blaze/math/typetraits/YieldsZero.h>
  #include <blaze/system/HostDevice.h>
  #include <blaze/system/Inline.h>
  #include <blaze/util/IntegralConstant.h>
  
  
  namespace blaze {
  
  //=================================================================================================
  //
  //  CLASS DEFINITION
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*!\brief Generic wrapper for the abs() function.
  // \ingroup functors
  */
  struct Abs
  {
     //**********************************************************************************************
     /*!\brief Returns the result of the abs() function for the given object/value.
     //
     // \param a The given object/value.
     // \return The result of the abs() function for the given object/value.
     */
     template< typename T >
     BLAZE_ALWAYS_INLINE BLAZE_DEVICE_CALLABLE decltype(auto) operator()( T&& a ) const
     {
        return abs( std::forward<T>( a ) );
     }
     //**********************************************************************************************
  
     //**********************************************************************************************
     /*!\brief Returns whether SIMD is enabled for the specified data type \a T.
     //
     // \return \a true in case SIMD is enabled for the data type \a T, \a false if not.
     */
     template< typename T >
     static constexpr bool simdEnabled() { return HasSIMDAbs_v<T>; }
     //**********************************************************************************************
  
     //**********************************************************************************************
     /*!\brief Returns whether the operation supports padding, i.e. whether it can deal with zeros.
     //
     // \return \a true in case padding is supported, \a false if not.
     */
     static constexpr bool paddingEnabled() { return true; }
     //**********************************************************************************************
  
     //**********************************************************************************************
     /*!\brief Returns the result of the abs() function for the given SIMD vector.
     //
     // \param a The given SIMD vector.
     // \return The result of the abs() function for the given SIMD vector.
     */
     template< typename T >
     BLAZE_ALWAYS_INLINE decltype(auto) load( const T& a ) const
     {
        BLAZE_CONSTRAINT_MUST_BE_SIMD_PACK( T );
        return abs( a );
     }
     //**********************************************************************************************
  };
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSUNIFORM SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename T >
  struct YieldsUniform<Abs,T>
     : public IsUniform<T>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSSYMMETRIC SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsSymmetric<Abs,MT>
     : public BoolConstant< IsSymmetric_v<MT> || IsHermitian_v<MT> >
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSLOWER SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsLower<Abs,MT>
     : public IsLower<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSUNILOWER SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsUniLower<Abs,MT>
     : public IsUniLower<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSSTRICTLYLOWER SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsStrictlyLower<Abs,MT>
     : public IsStrictlyLower<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSUPPER SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsUpper<Abs,MT>
     : public IsUpper<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSUNIUPPER SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsUniUpper<Abs,MT>
     : public IsUniUpper<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSSTRICTLYUPPER SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename MT >
  struct YieldsStrictlyUpper<Abs,MT>
     : public IsStrictlyUpper<MT>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  
  
  
  //=================================================================================================
  //
  //  YIELDSZERO SPECIALIZATIONS
  //
  //=================================================================================================
  
  //*************************************************************************************************
  /*! \cond BLAZE_INTERNAL */
  template< typename T >
  struct YieldsZero<Abs,T>
     : public IsZero<T>
  {};
  /*! \endcond */
  //*************************************************************************************************
  
  } // namespace blaze
  
  #endif
  