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/****************************************************************************
* Copyright (C) 2017 Intel Corporation.   All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
****************************************************************************/
#pragma once

#include "simdlib_types.hpp"

// For documentation, please see the following include...
// #include "simdlib_interface.hpp"

namespace SIMDImpl
{
    namespace SIMD128Impl
    {
#if SIMD_ARCH >= SIMD_ARCH_AVX
        struct AVXImpl
        {
#define __SIMD_LIB_AVX_HPP__
#include "simdlib_128_avx.inl"
#undef __SIMD_LIB_AVX_HPP__
        }; // struct AVXImpl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX


#if SIMD_ARCH >= SIMD_ARCH_AVX2
        struct AVX2Impl : AVXImpl
        {
#define __SIMD_LIB_AVX2_HPP__
#include "simdlib_128_avx2.inl"
#undef __SIMD_LIB_AVX2_HPP__
        }; // struct AVX2Impl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX2

#if SIMD_ARCH >= SIMD_ARCH_AVX512
        struct AVX512Impl : AVX2Impl
        {
#define __SIMD_LIB_AVX512_HPP__
#include "simdlib_128_avx512.inl"
#undef __SIMD_LIB_AVX512_HPP__
        }; // struct AVX2Impl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX512

        struct Traits : SIMDImpl::Traits
        {
#if SIMD_ARCH == SIMD_ARCH_AVX
            using IsaImpl = AVXImpl;
#elif SIMD_ARCH == SIMD_ARCH_AVX2
            using IsaImpl = AVX2Impl;
#elif SIMD_ARCH == SIMD_ARCH_AVX512
            using IsaImpl = AVX512Impl;
#else
#error Invalid value for SIMD_ARCH
#endif

            using Float     = SIMD128Impl::Float;
            using Double    = SIMD128Impl::Double;
            using Integer   = SIMD128Impl::Integer;
            using Vec4      = SIMD128Impl::Vec4;
            using Mask      = SIMD128Impl::Mask;
        };
    } // ns SIMD128Impl

    namespace SIMD256Impl
    {
#if SIMD_ARCH >= SIMD_ARCH_AVX
        struct AVXImpl
        {
#define __SIMD_LIB_AVX_HPP__
#include "simdlib_256_avx.inl"
#undef __SIMD_LIB_AVX_HPP__
        }; // struct AVXImpl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX


#if SIMD_ARCH >= SIMD_ARCH_AVX2
        struct AVX2Impl : AVXImpl
        {
#define __SIMD_LIB_AVX2_HPP__
#include "simdlib_256_avx2.inl"
#undef __SIMD_LIB_AVX2_HPP__
        }; // struct AVX2Impl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX2

#if SIMD_ARCH >= SIMD_ARCH_AVX512
        struct AVX512Impl : AVX2Impl
        {
#define __SIMD_LIB_AVX512_HPP__
#include "simdlib_256_avx512.inl"
#undef __SIMD_LIB_AVX512_HPP__
        }; // struct AVX2Impl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX512

        struct Traits : SIMDImpl::Traits
        {
#if SIMD_ARCH == SIMD_ARCH_AVX
            using IsaImpl = AVXImpl;
#elif SIMD_ARCH == SIMD_ARCH_AVX2
            using IsaImpl = AVX2Impl;
#elif SIMD_ARCH == SIMD_ARCH_AVX512
            using IsaImpl = AVX512Impl;
#else
#error Invalid value for SIMD_ARCH
#endif

            using Float     = SIMD256Impl::Float;
            using Double    = SIMD256Impl::Double;
            using Integer   = SIMD256Impl::Integer;
            using Vec4      = SIMD256Impl::Vec4;
            using Mask      = SIMD256Impl::Mask;
        };
    } // ns SIMD256Impl

    namespace SIMD512Impl
    {
#if SIMD_ARCH >= SIMD_ARCH_AVX
        template<typename SIMD256T>
        struct AVXImplBase
        {
#define __SIMD_LIB_AVX_HPP__
#include "simdlib_512_emu.inl"
#include "simdlib_512_emu_masks.inl"
#undef __SIMD_LIB_AVX_HPP__
        }; // struct AVXImplBase
        using AVXImpl = AVXImplBase<SIMD256Impl::AVXImpl>;
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX


#if SIMD_ARCH >= SIMD_ARCH_AVX2
        using AVX2Impl = AVXImplBase<SIMD256Impl::AVX2Impl>;
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX2


#if SIMD_ARCH >= SIMD_ARCH_AVX512
        struct AVX512Impl
        {
#define __SIMD_LIB_AVX512_HPP__
#include "simdlib_512_avx512.inl"
#include "simdlib_512_avx512_masks.inl"
#undef __SIMD_LIB_AVX512_HPP__
        }; // struct AVX512Impl
#endif // #if SIMD_ARCH >= SIMD_ARCH_AVX512

        struct Traits : SIMDImpl::Traits
        {
#if SIMD_ARCH == SIMD_ARCH_AVX
            using IsaImpl = AVXImpl;
#elif SIMD_ARCH == SIMD_ARCH_AVX2
            using IsaImpl = AVX2Impl;
#elif SIMD_ARCH == SIMD_ARCH_AVX512
            using IsaImpl = AVX512Impl;
#else
#error Invalid value for SIMD_ARCH
#endif

            using Float     = SIMD512Impl::Float;
            using Double    = SIMD512Impl::Double;
            using Integer   = SIMD512Impl::Integer;
            using Vec4      = SIMD512Impl::Vec4;
            using Mask      = SIMD512Impl::Mask;
        };
    } // ns SIMD512Impl
} // ns SIMDImpl

template <typename Traits>
struct SIMDBase : Traits::IsaImpl
{
    using CompareType   = typename Traits::CompareType;
    using ScaleFactor   = typename Traits::ScaleFactor;
    using RoundMode     = typename Traits::RoundMode;
    using SIMD          = typename Traits::IsaImpl;
    using Float         = typename Traits::Float;
    using Double        = typename Traits::Double;
    using Integer       = typename Traits::Integer;
    using Vec4          = typename Traits::Vec4;
    using Mask          = typename Traits::Mask;

    // Populates a SIMD Vec4 from a non-simd vector. So p = xyzw becomes xxxx yyyy zzzz wwww.
    static SIMDINLINE
    void vec4_load1_ps(Vec4& r, const float *p)
    {
        r[0] = SIMD::set1_ps(p[0]);
        r[1] = SIMD::set1_ps(p[1]);
        r[2] = SIMD::set1_ps(p[2]);
        r[3] = SIMD::set1_ps(p[3]);
    }

    static SIMDINLINE
    void vec4_set1_vps(Vec4& r, Float s)
    {
        r[0] = s;
        r[1] = s;
        r[2] = s;
        r[3] = s;
    }

    static SIMDINLINE
    Float vec4_dp3_ps(const Vec4& v0, const Vec4& v1)
    {
        Float tmp, r;
        r   = SIMD::mul_ps(v0[0], v1[0]);     // (v0.x*v1.x)

        tmp = SIMD::mul_ps(v0[1], v1[1]);     // (v0.y*v1.y)
        r   = SIMD::add_ps(r, tmp);           // (v0.x*v1.x) + (v0.y*v1.y)

        tmp = SIMD::mul_ps(v0[2], v1[2]);     // (v0.z*v1.z)
        r   = SIMD::add_ps(r, tmp);           // (v0.x*v1.x) + (v0.y*v1.y) + (v0.z*v1.z)

        return r;
    }

    static SIMDINLINE
    Float vec4_dp4_ps(const Vec4& v0, const Vec4& v1)
    {
        Float tmp, r;
        r   = SIMD::mul_ps(v0[0], v1[0]);     // (v0.x*v1.x)

        tmp = SIMD::mul_ps(v0[1], v1[1]);     // (v0.y*v1.y)
        r   = SIMD::add_ps(r, tmp);           // (v0.x*v1.x) + (v0.y*v1.y)

        tmp = SIMD::mul_ps(v0[2], v1[2]);     // (v0.z*v1.z)
        r   = SIMD::add_ps(r, tmp);           // (v0.x*v1.x) + (v0.y*v1.y) + (v0.z*v1.z)

        tmp = SIMD::mul_ps(v0[3], v1[3]);     // (v0.w*v1.w)
        r   = SIMD::add_ps(r, tmp);           // (v0.x*v1.x) + (v0.y*v1.y) + (v0.z*v1.z)

        return r;
    }

    static SIMDINLINE
    Float vec4_rcp_length_ps(const Vec4& v)
    {
        Float length = vec4_dp4_ps(v, v);
        return SIMD::rsqrt_ps(length);
    }

    static SIMDINLINE
    void vec4_normalize_ps(Vec4& r, const Vec4& v)
    {
        Float rcpLength = vec4_rcp_length_ps(v);

        r[0] = SIMD::mul_ps(v[0], rcpLength);
        r[1] = SIMD::mul_ps(v[1], rcpLength);
        r[2] = SIMD::mul_ps(v[2], rcpLength);
        r[3] = SIMD::mul_ps(v[3], rcpLength);
    }

    static SIMDINLINE
    void vec4_mul_ps(Vec4& r, const Vec4& v, Float s)
    {
        r[0] = SIMD::mul_ps(v[0], s);
        r[1] = SIMD::mul_ps(v[1], s);
        r[2] = SIMD::mul_ps(v[2], s);
        r[3] = SIMD::mul_ps(v[3], s);
    }

    static SIMDINLINE
    void vec4_mul_ps(Vec4& r, const Vec4& v0, const Vec4& v1)
    {
        r[0] = SIMD::mul_ps(v0[0], v1[0]);
        r[1] = SIMD::mul_ps(v0[1], v1[1]);
        r[2] = SIMD::mul_ps(v0[2], v1[2]);
        r[3] = SIMD::mul_ps(v0[3], v1[3]);
    }

    static SIMDINLINE
    void vec4_add_ps(Vec4& r, const Vec4& v0, Float s)
    {
        r[0] = SIMD::add_ps(v0[0], s);
        r[1] = SIMD::add_ps(v0[1], s);
        r[2] = SIMD::add_ps(v0[2], s);
        r[3] = SIMD::add_ps(v0[3], s);
    }

    static SIMDINLINE
    void vec4_add_ps(Vec4& r, const Vec4& v0, const Vec4& v1)
    {
        r[0] = SIMD::add_ps(v0[0], v1[0]);
        r[1] = SIMD::add_ps(v0[1], v1[1]);
        r[2] = SIMD::add_ps(v0[2], v1[2]);
        r[3] = SIMD::add_ps(v0[3], v1[3]);
    }

    static SIMDINLINE
    void vec4_min_ps(Vec4& r, const Vec4& v0, Float s)
    {
        r[0] = SIMD::min_ps(v0[0], s);
        r[1] = SIMD::min_ps(v0[1], s);
        r[2] = SIMD::min_ps(v0[2], s);
        r[3] = SIMD::min_ps(v0[3], s);
    }

    static SIMDINLINE
    void vec4_max_ps(Vec4& r, const Vec4& v0, Float s)
    {
        r[0] = SIMD::max_ps(v0[0], s);
        r[1] = SIMD::max_ps(v0[1], s);
        r[2] = SIMD::max_ps(v0[2], s);
        r[3] = SIMD::max_ps(v0[3], s);
    }

    // Matrix4x4 * Vector4
    //   outVec.x = (m00 * v.x) + (m01 * v.y) + (m02 * v.z) + (m03 * v.w)
    //   outVec.y = (m10 * v.x) + (m11 * v.y) + (m12 * v.z) + (m13 * v.w)
    //   outVec.z = (m20 * v.x) + (m21 * v.y) + (m22 * v.z) + (m23 * v.w)
    //   outVec.w = (m30 * v.x) + (m31 * v.y) + (m32 * v.z) + (m33 * v.w)
    static SIMDINLINE
    void SIMDCALL mat4x4_vec4_multiply(
        Vec4& result,
        const float *pMatrix,
        const Vec4& v)
    {
        Float m;
        Float r0;
        Float r1;

        m   = SIMD::load1_ps(pMatrix + 0*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 3);  // m[row][3]
        r1  = SIMD::mul_ps(m, v[3]);              // (m3 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * v.w)
        result[0] = r0;

        m   = SIMD::load1_ps(pMatrix + 1*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 3);  // m[row][3]
        r1  = SIMD::mul_ps(m, v[3]);              // (m3 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * v.w)
        result[1] = r0;

        m   = SIMD::load1_ps(pMatrix + 2*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 3);  // m[row][3]
        r1  = SIMD::mul_ps(m, v[3]);              // (m3 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * v.w)
        result[2] = r0;

        m   = SIMD::load1_ps(pMatrix + 3*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 3*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 3*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 3*4 + 3);  // m[row][3]
        r1  = SIMD::mul_ps(m, v[3]);              // (m3 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * v.w)
        result[3] = r0;
    }

    // Matrix4x4 * Vector3 - Direction Vector where w = 0.
    //   outVec.x = (m00 * v.x) + (m01 * v.y) + (m02 * v.z) + (m03 * 0)
    //   outVec.y = (m10 * v.x) + (m11 * v.y) + (m12 * v.z) + (m13 * 0)
    //   outVec.z = (m20 * v.x) + (m21 * v.y) + (m22 * v.z) + (m23 * 0)
    //   outVec.w = (m30 * v.x) + (m31 * v.y) + (m32 * v.z) + (m33 * 0)
    static SIMDINLINE
    void SIMDCALL mat3x3_vec3_w0_multiply(
        Vec4& result,
        const float *pMatrix,
        const Vec4& v)
    {
        Float m;
        Float r0;
        Float r1;

        m   = SIMD::load1_ps(pMatrix + 0*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        result[0] = r0;

        m   = SIMD::load1_ps(pMatrix + 1*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        result[1] = r0;

        m   = SIMD::load1_ps(pMatrix + 2*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        result[2] = r0;

        result[3] = SIMD::setzero_ps();
    }

    // Matrix4x4 * Vector3 - Position vector where w = 1.
    //   outVec.x = (m00 * v.x) + (m01 * v.y) + (m02 * v.z) + (m03 * 1)
    //   outVec.y = (m10 * v.x) + (m11 * v.y) + (m12 * v.z) + (m13 * 1)
    //   outVec.z = (m20 * v.x) + (m21 * v.y) + (m22 * v.z) + (m23 * 1)
    //   outVec.w = (m30 * v.x) + (m31 * v.y) + (m32 * v.z) + (m33 * 1)
    static SIMDINLINE
    void SIMDCALL mat4x4_vec3_w1_multiply(
        Vec4& result,
        const float *pMatrix,
        const Vec4& v)
    {
        Float m;
        Float r0;
        Float r1;

        m   = SIMD::load1_ps(pMatrix + 0*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 3);  // m[row][3]
        r0  = SIMD::add_ps(r0, m);                // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
        result[0] = r0;

        m   = SIMD::load1_ps(pMatrix + 1*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 3);  // m[row][3]
        r0  = SIMD::add_ps(r0, m);                // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
        result[1] = r0;

        m   = SIMD::load1_ps(pMatrix + 2*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 3);  // m[row][3]
        r0  = SIMD::add_ps(r0, m);                // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
        result[2] = r0;

        m   = SIMD::load1_ps(pMatrix + 3*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 3*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 3*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 3*4 + 3);  // m[row][3]
        result[3] = SIMD::add_ps(r0, m);        // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
    }

    static SIMDINLINE
    void SIMDCALL mat4x3_vec3_w1_multiply(
        Vec4& result,
        const float *pMatrix,
        const Vec4& v)
    {
        Float m;
        Float r0;
        Float r1;

        m   = SIMD::load1_ps(pMatrix + 0*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 0*4 + 3);  // m[row][3]
        r0  = SIMD::add_ps(r0, m);                // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
        result[0] = r0;

        m   = SIMD::load1_ps(pMatrix + 1*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 1*4 + 3);  // m[row][3]
        r0  = SIMD::add_ps(r0, m);                // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
        result[1] = r0;

        m   = SIMD::load1_ps(pMatrix + 2*4 + 0);  // m[row][0]
        r0  = SIMD::mul_ps(m, v[0]);              // (m00 * v.x)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 1);  // m[row][1]
        r1  = SIMD::mul_ps(m, v[1]);              // (m1 * v.y)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 2);  // m[row][2]
        r1  = SIMD::mul_ps(m, v[2]);              // (m2 * v.z)
        r0  = SIMD::add_ps(r0, r1);               // (m0 * v.x) + (m1 * v.y) + (m2 * v.z)
        m   = SIMD::load1_ps(pMatrix + 2*4 + 3);  // m[row][3]
        r0  = SIMD::add_ps(r0, m);                // (m0 * v.x) + (m1 * v.y) + (m2 * v.z) + (m2 * 1)
        result[2] = r0;
        result[3] = SIMD::set1_ps(1.0f);
    }
}; // struct SIMDBase

using SIMD128 = SIMDBase<SIMDImpl::SIMD128Impl::Traits>;
using SIMD256 = SIMDBase<SIMDImpl::SIMD256Impl::Traits>;
using SIMD512 = SIMDBase<SIMDImpl::SIMD512Impl::Traits>;