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// generic vector class
//
// Copyright (C) 2010 Tim Blechmann
//
// This program 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 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// 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 program; see the file COPYING. If not, write to
// the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
// Boston, MA 02111-1307, USA.
#ifndef VEC_GENERIC_HPP
#define VEC_GENERIC_HPP
#include <cmath>
#include <algorithm>
#include <numeric>
#include "wrap_arguments.hpp"
#include "detail/math.hpp"
#include "vec_base.hpp"
namespace nova
{
namespace detail
{
template <typename T, int size>
struct array
{
friend T* get_pointer(array & arg)
{
return arg.data;
}
friend const T * get_pointer(array const & arg)
{
return arg.data;
}
T operator[](int index) const
{
return data[index];
}
T & operator[](int index)
{
return data[index];
}
T data[size];
};
}
template <typename FloatType>
class vec:
public vec_base<FloatType, detail::array<FloatType, 4>, 4>
{
typedef vec_base<FloatType, detail::array<FloatType, 4>, 4> base;
public:
typedef FloatType float_type;
static const int size = 4;
static const int objects_per_cacheline = 64/sizeof(float_type);
/* @{ */
/** constructors */
vec(void)
{}
vec(double f)
{
base::set_vec(f);
}
vec(float f)
{
base::set_vec(f);
}
vec(vec const & rhs):
base(rhs.data_)
{}
vec(detail::array<FloatType, 4> const & rhs)
{
base::data_ = rhs;
}
vec(base const & arg):
base(arg)
{}
static bool is_aligned(FloatType * ptr)
{
return ((intptr_t)(ptr) & (intptr_t)(sizeof(float) - 1)) == 0;
}
static vec gen_zero()
{
return vec(0.0);
}
static vec gen_ones()
{
return vec(1.0);
}
public:
/* @} */
NOVA_SIMD_DELEGATE_OPERATOR_TO_BASE(operator+)
NOVA_SIMD_DELEGATE_OPERATOR_TO_BASE(operator-)
NOVA_SIMD_DELEGATE_OPERATOR_TO_BASE(operator*)
NOVA_SIMD_DELEGATE_OPERATOR_TO_BASE(operator/)
/* @{ */
/** unary functions */
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(abs)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(sign)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(square)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(cube)
/* @} */
/* @{ */
NOVA_SIMD_DELEGATE_BINARY_TO_BASE(max_)
NOVA_SIMD_DELEGATE_BINARY_TO_BASE(min_)
/* @} */
/* @{ */
/** rounding functions */
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(round)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(frac)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(floor)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(ceil)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(trunc)
/* @} */
/* @{ */
NOVA_SIMD_DEFINE_MADD
friend inline vec select(vec lhs, vec rhs, vec bitmask)
{
vec ret;
for (int i = 0; i != size; ++i) {
ret.data_[i] = bitmask.data_[i] != 0 ? rhs.data_[i]
: lhs.data_[i];
}
return ret;
}
/** mathematical functions */
NOVA_SIMD_DELEGATE_BINARY_TO_BASE(pow)
NOVA_SIMD_DELEGATE_BINARY_TO_BASE(signed_pow)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(reciprocal)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(log)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(log2)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(log10)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(exp)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(sin)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(cos)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(tan)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(asin)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(acos)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(atan)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(tanh)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(signed_sqrt)
NOVA_SIMD_DELEGATE_UNARY_TO_BASE(undenormalize)
/* @} */
};
} /* namespace nova */
#endif /* VEC_GENERIC_HPP */
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