/usr/include/libvisual-0.4/libvisual/lv_math.h is in libvisual-0.4-dev 0.4.0-8.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | /* Libvisual - The audio visualisation framework.
*
* Copyright (C) 2004, 2005, 2006 Dennis Smit <ds@nerds-incorporated.org>
*
* Authors: Dennis Smit <ds@nerds-incorporated.org>
*
* $Id: lv_math.h,v 1.7 2006/02/13 20:54:08 synap Exp $
*
* This program 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 2.1
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef _LV_MATH_H
#define _LV_MATH_H
#include <libvisual/lv_common.h>
VISUAL_BEGIN_DECLS
/* prototypes */
int visual_math_vectorized_multiplier_floats_const_float (float *dest, float *src, visual_size_t n, float multiplier);
int visual_math_vectorized_add_floats_const_float (float *dest,float *src, visual_size_t n, float adder);
int visual_math_vectorized_substract_floats_const_float (float *dest, float *src, visual_size_t n, float substracter);
int visual_math_vectorized_multiplier_floats_floats (float *dest, float *src1, float *src2, visual_size_t n);
int visual_math_vectorized_floats_to_int32s (int32_t *ints, float *flts, visual_size_t n);
int visual_math_vectorized_int32s_to_floats (float *flts, int32_t *ints, visual_size_t n);
int visual_math_vectorized_floats_to_int32s_multiply (int32_t *ints, float *flts, visual_size_t n, float multiplier);
int visual_math_vectorized_int32s_to_floats_multiply (float *flts, int32_t *ints, visual_size_t n, float multiplier);
int visual_math_vectorized_floats_to_int32s_multiply_denormalise (int32_t *ints, float *flts, visual_size_t n, float multiplier);
int visual_math_vectorized_sqrt_floats (float *dest, float *src, visual_size_t n);
int visual_math_vectorized_complex_to_norm (float *dest, float *real, float *imag, visual_size_t n);
int visual_math_vectorized_complex_to_norm_scale (float *dest, float *real, float *imag, visual_size_t n, float scaler);
/* FIXME add many more to suite both rectangle and audio systems 100% */
/* FIXME also look into things we might be able to generalize from VisVideo. */
/* FIXME provide with source and dest when possible, source and dest can always be the same. */
VISUAL_END_DECLS
#endif /* _LV_MATH_H */
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