3 * Copyright 2008 Free Software Foundation, Inc.
5 * This file is part of GNU Radio
7 * GNU Radio is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 3, or (at your option)
12 * GNU Radio is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
17 * You should have received a copy of the GNU General Public License along
18 * with this program; if not, write to the Free Software Foundation, Inc.,
19 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
21 #ifndef INCLUDED_GR_ALTIVEC_H
22 #define INCLUDED_GR_ALTIVEC_H
25 * N.B., always use "vec_float4" et al. instead of "vector float" to
26 * ensure portability across the various powerpc compilers. Some of
27 * them treat "vector" as a context specific keyword, some don't.
28 * Avoid the problem by always using the defines in vec_types.h
33 #undef bool // repair namespace pollution
34 #undef vector // repair namespace pollution
36 #ifdef HAVE_VEC_TYPES_H
37 #include <vec_types.h> // use system version if we've got it
39 #include <gr_vec_types.h> // fall back to our local copy
41 #undef qword // repair namespace pollution
50 #define VS sizeof(vec_float4)
51 #define FLOATS_PER_VEC (sizeof(vec_float4)/sizeof(float))
55 float f[FLOATS_PER_VEC];
58 void gr_print_vector_float(FILE *fp, vec_float4 v);
59 void gr_pvf(FILE *fp, const char *label, vec_float4 v);
62 horizontal_add_f(vec_float4 v)
65 vec_float4 t0 = vec_add(v, vec_sld(v, v, 8));
66 vec_float4 t1 = vec_add(t0, vec_sld(t0, t0, 4));
75 #endif /* INCLUDED_GR_ALTIVEC_H */