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foxbox/apps/codecs/demac/libdemac/vector_math32.h

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C

/*
libdemac - A Monkey's Audio decoder
$Id:$
Copyright (C) Dave Chapman 2007
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; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110, USA
*/
/* 32-bit vector math functions */
#define scalarproduct4_rev32(x,y) ((x[0] * y[0]) + (x[1] * y[-1]) + \
(x[2] * y[-2]) + (x[3] * y[-3]))
#define scalarproduct5_rev32(x,y) ((x[0] * y[0]) + (x[1] * y[-1]) + \
(x[2] * y[-2]) + (x[3] * y[-3]) + \
(x[4] * y[-4]))
#define vector_sub4_rev32(x, y) { x[0] -= y[0]; \
x[1] -= y[-1]; \
x[2] -= y[-2]; \
x[3] -= y[-3]; }
#define vector_sub5_rev32(x, y) { x[0] -= y[0]; \
x[1] -= y[-1]; \
x[2] -= y[-2]; \
x[3] -= y[-3]; \
x[4] -= y[-4]; }
#define vector_add4_rev32(x, y) { x[0] += y[0]; \
x[1] += y[-1]; \
x[2] += y[-2]; \
x[3] += y[-3]; }
#define vector_add5_rev32(x, y) { x[0] += y[0]; \
x[1] += y[-1]; \
x[2] += y[-2]; \
x[3] += y[-3]; \
x[4] += y[-4]; }