simd_unary_arithmetic.hpp

   1 //  unary arithmetic simd functions
   2 //  Copyright (C) 2010 Tim Blechmann
   3 //
   4 //  This program is free software; you can redistribute it and/or modify
   5 //  it under the terms of the GNU General Public License as published by
   6 //  the Free Software Foundation; either version 2 of the License, or
   7 //  (at your option) any later version.
   8 //
   9 //  This program is distributed in the hope that it will be useful,
  10 //  but WITHOUT ANY WARRANTY; without even the implied warranty of
  11 //  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12 //  GNU General Public License for more details.
  13 //
  14 //  You should have received a copy of the GNU General Public License
  15 //  along with this program; see the file COPYING.  If not, write to
  16 //  the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  17 //  Boston, MA 02111-1307, USA.
  18
  19 #ifndef SIMD_UNARY_ARITHMETIC_HPP
  20 #define SIMD_UNARY_ARITHMETIC_HPP
  21
  22 #include "vec.hpp"
  23
  24 #include "detail/define_macros.hpp"
  25
  26 #if defined(__GNUC__) && defined(NDEBUG)
  27 #define always_inline inline  __attribute__((always_inline))
  28 #else
  29 #define always_inline inline
  30 #endif
  31
  32 namespace nova {
  33
  34 namespace detail {
  35
  36 #define DEFINE_UNARY_FUNCTOR(NAME, VEC_NAME)                            \
  37 struct NAME##_                                                          \
  38 {                                                                       \
  39     template <typename FloatType>                                       \
  40     always_inline FloatType operator()(FloatType arg) const             \
  41     {                                                                   \
  42         return NAME(arg);                                               \
  43     }                                                                   \
  44     template <typename FloatType>                                       \
  45     always_inline vec<FloatType> operator()(vec<FloatType> arg) const   \
  46     {                                                                   \
  47         return VEC_NAME(arg);                                           \
  48     }                                                                   \
  49 };
  50
  51
  52 DEFINE_UNARY_FUNCTOR(fabs, abs)
  53 DEFINE_UNARY_FUNCTOR(sign, sign)
  54 DEFINE_UNARY_FUNCTOR(square, square)
  55 DEFINE_UNARY_FUNCTOR(cube, cube)
  56 DEFINE_UNARY_FUNCTOR(reciprocal, reciprocal)
  57
  58 DEFINE_UNARY_FUNCTOR(round, round)
  59 DEFINE_UNARY_FUNCTOR(frac, frac)
  60 DEFINE_UNARY_FUNCTOR(ceil, ceil)
  61 DEFINE_UNARY_FUNCTOR(floor, floor)
  62 DEFINE_UNARY_FUNCTOR(trunc, trunc)
  63 DEFINE_UNARY_FUNCTOR(undenormalize, undenormalize)
  64
  65 } /* namespace detail */
  66
  67 NOVA_SIMD_DEFINE_UNARY_WRAPPER(abs, detail::fabs_)
  68 NOVA_SIMD_DEFINE_UNARY_WRAPPER(sgn, detail::sign_)
  69 NOVA_SIMD_DEFINE_UNARY_WRAPPER(square, detail::square_)
  70 NOVA_SIMD_DEFINE_UNARY_WRAPPER(cube, detail::cube_)
  71
  72 NOVA_SIMD_DEFINE_UNARY_WRAPPER(round, detail::round_)
  73 NOVA_SIMD_DEFINE_UNARY_WRAPPER(frac, detail::frac_)
  74 NOVA_SIMD_DEFINE_UNARY_WRAPPER(ceil, detail::ceil_)
  75 NOVA_SIMD_DEFINE_UNARY_WRAPPER(floor, detail::floor_)
  76 NOVA_SIMD_DEFINE_UNARY_WRAPPER(trunc, detail::trunc_)
  77
  78 NOVA_SIMD_DEFINE_UNARY_WRAPPER(undenormalize, detail::undenormalize_)
  79 NOVA_SIMD_DEFINE_UNARY_WRAPPER(reciprocal, detail::reciprocal_)
  80 } /* namespace nova */
  81
  82 #undef always_inline
  83 #undef DEFINE_UNARY_FUNCTOR
  84
  85 #endif /* SIMD_UNARY_ARITHMETIC_HPP */