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/*
* Copyright (C) 2020 Linux Studio Plugins Project <https://lsp-plug.in/>
* (C) 2020 Vladimir Sadovnikov <sadko4u@gmail.com>
*
* This file is part of lsp-dsp-lib
* Created on: 31 мар. 2020 г.
*
* lsp-dsp-lib is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* any later version.
*
* lsp-dsp-lib 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with lsp-dsp-lib. If not, see <https://www.gnu.org/licenses/>.
*/
#ifndef PRIVATE_DSP_ARCH_X86_SSE_IMPL
#error "This header should not be included directly"
#endif /* PRIVATE_DSP_ARCH_X86_SSE_IMPL */
#define _SSE_FFT_NAME(id) id
#define _SSE_CALL_NAME(id, bits) id ## bits
#define SSE_FFT_NAME(id) _SSE_FFT_NAME(id)
#define SSE_CALL_NAME(id, bits) _SSE_CALL_NAME(id, bits)(dst_re, dst_im, src_re, src_im, rank)
namespace lsp
{
namespace sse
{
static inline void SSE_FFT_NAME(FFT_SCRAMBLE_DIRECT_NAME)(float *dst_re, float *dst_im, const float *src_re, const float *src_im, size_t rank)
{
// Scramble the order of samples
if ((dst_re == src_re) || (dst_im == src_im))
{
if (rank <= 8)
SSE_CALL_NAME(FFT_SCRAMBLE_SELF_DIRECT_NAME, 8);
else //if (rank <= 16)
SSE_CALL_NAME(FFT_SCRAMBLE_SELF_DIRECT_NAME, 16);
}
else
{
rank -= 3;
if (rank <= 8)
SSE_CALL_NAME(FFT_SCRAMBLE_COPY_DIRECT_NAME, 8);
else //if (rank <= 16)
SSE_CALL_NAME(FFT_SCRAMBLE_COPY_DIRECT_NAME, 16);
}
}
static inline void SSE_FFT_NAME(FFT_SCRAMBLE_REVERSE_NAME)(float *dst_re, float *dst_im, const float *src_re, const float *src_im, size_t rank)
{
// Scramble the order of samples
if ((dst_re == src_re) || (dst_im == src_im))
{
if (rank <= 8)
SSE_CALL_NAME(FFT_SCRAMBLE_SELF_REVERSE_NAME, 8);
else //if (rank <= 16)
SSE_CALL_NAME(FFT_SCRAMBLE_SELF_REVERSE_NAME, 16);
}
else
{
rank -= 3;
if (rank <= 8)
SSE_CALL_NAME(FFT_SCRAMBLE_COPY_REVERSE_NAME, 8);
else //if (rank <= 16)
SSE_CALL_NAME(FFT_SCRAMBLE_COPY_REVERSE_NAME, 16);
}
}
}
}
#undef SSE_FFT_NAME
#undef SSE_CALL_NAME
#undef _SSE_FFT_NAME
#undef _SSE_CALL_NAME
#undef FFT_SCRAMBLE_SELF_DIRECT_NAME
#undef FFT_SCRAMBLE_SELF_REVERSE_NAME
#undef FFT_SCRAMBLE_COPY_DIRECT_NAME
#undef FFT_SCRAMBLE_COPY_REVERSE_NAME
#undef FFT_SCRAMBLE_DIRECT_NAME
#undef FFT_SCRAMBLE_REVERSE_NAME
#undef FFT_MODE
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