refactor(fmod): move all original files into fmod directory

lib/libcelt/cwrs.h

@@ -1,50 +0,0 @@
-/* (C) 2007-2008 Timothy Terriberry */
-/*
-   Redistribution and use in source and binary forms, with or without
-   modification, are permitted provided that the following conditions
-   are met:
-   
-   - Redistributions of source code must retain the above copyright
-   notice, this list of conditions and the following disclaimer.
-   
-   - 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.
-   
-   - Neither the name of the Xiph.org Foundation 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 FOUNDATION 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 CWRS_H
-#define CWRS_H
-
-#include "arch.h"
-#include "stack_alloc.h"
-#include "entenc.h"
-#include "entdec.h"
-
-int log2_frac(ec_uint32 val, int frac);
-
-/* Whether the CWRS codebook will fit into 32 bits */
-int fits_in32(int _n, int _m);
-
-void get_required_bits(celt_int16_t *bits, int N, int K, int frac);
-
-void encode_pulses(int *_y, int N, int K, ec_enc *enc);
-
-void decode_pulses(int *_y, int N, int K, ec_dec *dec);
-
-#endif /* CWRS_H */