/usr/include/mpb/scalar.h is in mpb-dev 1.5-2+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 | /* Copyright (C) 1999-2014 Massachusetts Institute of Technology.
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef SCALAR_H
#define SCALAR_H
#ifdef __cplusplus
extern "C" {
#endif /* __cplusplus */
#if defined(SCALAR_SINGLE_PREC)
typedef float real;
#define SCALAR_MPI_TYPE MPI_FLOAT
#elif defined(SCALAR_LONG_DOUBLE_PREC)
typedef long double real;
#define SCALAR_MPI_TYPE MPI_LONG_DOUBLE
#else
typedef double real;
#define SCALAR_MPI_TYPE MPI_DOUBLE
#endif
/********************* complex types and operations **********************/
typedef struct {
real re, im;
} scalar_complex;
#define CSCALAR_NUMVALS (2)
#define CSCALAR_INIT_ZERO { 0.0, 0.0 }
#define CSCALAR_RE(a) ((a).re)
#define CSCALAR_IM(a) ((a).im)
#define CASSIGN_SCALAR(a, real, imag) { (a).re = (real); (a).im = (imag); }
#define CACCUMULATE_SCALAR(a, real, imag) { (a).re +=(real); (a).im +=(imag); }
#define CACCUMULATE_DIFF_SCALAR(a, real, imag) { (a).re -=(real); (a).im -=(imag); }
#define CASSIGN_ZERO(a) CASSIGN_SCALAR(a, 0.0, 0.0);
#define CASSIGN_REAL(a, c) CASSIGN_SCALAR(a, c, 0.0)
#define CASSIGN_CONJ(a, b) CASSIGN_SCALAR(a, CSCALAR_RE(b), -CSCALAR_IM(b))
#define CSCALAR_NORMSQR(a) ((a).re * (a).re + (a).im * (a).im)
/* a = b * c */
#define CASSIGN_MULT(a, b, c) { \
real bbbb_re = (b).re, bbbb_im = (b).im; \
real cccc_re = (c).re, cccc_im = (c).im; \
CASSIGN_SCALAR(a, bbbb_re * cccc_re - bbbb_im * cccc_im, \
bbbb_re * cccc_im + bbbb_im * cccc_re); \
}
/* a = b / c = b * conj(c) / |c|^2 */
#define CASSIGN_DIV(a, b, c) { \
scalar_complex aaaa_tmp; real aaaa_tmp_norm; \
CASSIGN_CONJ(aaaa_tmp, c); \
aaaa_tmp_norm = 1.0 / CSCALAR_NORMSQR(aaaa_tmp); \
CASSIGN_MULT(aaaa_tmp, b, aaaa_tmp); \
CASSIGN_SCALAR(a, aaaa_tmp.re*aaaa_tmp_norm, aaaa_tmp.im*aaaa_tmp_norm); \
}
/* Re (b * c) */
#define CSCALAR_MULT_RE(b, c) ((b).re * (c).re - (b).im * (c).im)
/* IM (b * c) */
#define CSCALAR_MULT_IM(b, c) ((b).re * (c).im + (b).im * (c).re)
/* Re (b * conj(c)) */
#define CSCALAR_MULT_CONJ_RE(b, c) ((b).re * (c).re + (b).im * (c).im)
/* Im (b * conj(c)) */
#define CSCALAR_MULT_CONJ_IM(b, c) ((b).im * (c).re - (b).re * (c).im)
/* a = Re (b * c) */
#define CASSIGN_MULT_RE(a, b, c) { \
real bbbb_re = (b).re, bbbb_im = (b).im; \
real cccc_re = (c).re, cccc_im = (c).im; \
(a) = bbbb_re * cccc_re - bbbb_im * cccc_im; \
}
/* a = Im (b * c) */
#define CASSIGN_MULT_IM(a, b, c) { \
real bbbb_re = (b).re, bbbb_im = (b).im; \
real cccc_re = (c).re, cccc_im = (c).im; \
(a) = bbbb_re * cccc_im + bbbb_im * cccc_re; \
}
/* a += b * c */
#define CACCUMULATE_SUM_MULT(a, b, c) { \
real bbbb_re = (b).re, bbbb_im = (b).im; \
real cccc_re = (c).re, cccc_im = (c).im; \
CACCUMULATE_SCALAR(a, bbbb_re * cccc_re - bbbb_im * cccc_im, \
bbbb_re * cccc_im + bbbb_im * cccc_re); \
}
/* a += conj(b) * c */
#define CACCUMULATE_SUM_CONJ_MULT(a, b, c) { \
real bbbb_re = (b).re, bbbb_im = (b).im; \
real cccc_re = (c).re, cccc_im = (c).im; \
CACCUMULATE_SCALAR(a, bbbb_re * cccc_re + bbbb_im * cccc_im, \
bbbb_re * cccc_im - bbbb_im * cccc_re); \
}
/* a += |b|^2 */
#define CACCUMULATE_SUM_SQ(a, b) { \
real bbbb_re = (b).re, bbbb_im = (b).im; \
(a) += bbbb_re * bbbb_re + bbbb_im * bbbb_im; \
}
#define CACCUMULATE_SUM(sum, a) CACCUMULATE_SCALAR(sum,CSCALAR_RE(a),CSCALAR_IM(a))
#define CACCUMULATE_DIFF(sum, a) CACCUMULATE_DIFF_SCALAR(sum,CSCALAR_RE(a),CSCALAR_IM(a))
/************************** scalars are complex **************************/
#ifdef SCALAR_COMPLEX
typedef scalar_complex scalar;
#define SCALAR_NUMVALS CSCALAR_NUMVALS
#define SCALAR_INIT_ZERO CSCALAR_INIT_ZERO
#define SCALAR_RE(a) CSCALAR_RE(a)
#define SCALAR_IM(a) CSCALAR_IM(a)
#define ASSIGN_SCALAR(a, real, imag) CASSIGN_SCALAR(a, real, imag)
#define ACCUMULATE_SCALAR(a, real, imag) CACCUMULATE_SCALAR(a, real, imag)
#define ACCUMULATE_DIFF_SCALAR(a, real, imag) CACCUMULATE_DIFF_SCALAR(a, real, imag)
#define SCALAR_NORMSQR(a) CSCALAR_NORMSQR(a)
/* a = b * c */
#define ASSIGN_MULT(a, b, c) CASSIGN_MULT(a, b, c)
/* a = b / c = b * conj(c) / |c|^2 */
#define ASSIGN_DIV(a, b, c) CASSIGN_DIV(a, b, c)
#define SCALAR_MULT_RE(b, c) CSCALAR_MULT_RE(b, c) /* Re (b * c) */
#define SCALAR_MULT_IM(b, c) CSCALAR_MULT_IM(b, c) /* Im (b * c) */
#define SCALAR_MULT_CONJ_RE(b, c) CSCALAR_MULT_CONJ_RE(b, c)
#define SCALAR_MULT_CONJ_IM(b, c) CSCALAR_MULT_CONJ_IM(b, c)
/* a = Re (b * c) */
#define ASSIGN_MULT_RE(a, b, c) CASSIGN_MULT_RE(a, b, c)
/* a = Im (b * c) */
#define ASSIGN_MULT_IM(a, b, c) CASSIGN_MULT_IM(a, b, c)
/* a += b * c */
#define ACCUMULATE_SUM_MULT(a, b, c) CACCUMULATE_SUM_MULT(a, b, c)
/* a += conj(b) * c */
#define ACCUMULATE_SUM_CONJ_MULT(a, b, c) CACCUMULATE_SUM_CONJ_MULT(a, b, c)
/* a += |b|^2 */
#define ACCUMULATE_SUM_SQ(a, b) CACCUMULATE_SUM_SQ(a, b)
/*************************** scalars are real ****************************/
#else /* scalars are real */
typedef real scalar;
#define SCALAR_NUMVALS 1
#define SCALAR_INIT_ZERO 0.0
#define SCALAR_RE(a) (a)
#define SCALAR_IM(a) (0.0)
#define ASSIGN_SCALAR(a, real, imag) (a) = (real);
#define ACCUMULATE_SCALAR(a, real, imag) (a) += (real);
#define ACCUMULATE_DIFF_SCALAR(a, real, imag) (a) -= (real);
#define SCALAR_NORMSQR(a) ((a) * (a))
#define ASSIGN_MULT(a, b, c) (a) = (b) * (c);
#define ASSIGN_DIV(a, b, c) (a) = (b) / (c);
#define SCALAR_MULT_RE(b, c) ((b) * (c))
#define SCALAR_MULT_IM(b, c) (0.0)
#define SCALAR_MULT_CONJ_RE(b, c) ((b) * (c))
#define SCALAR_MULT_CONJ_IM(b, c) (0.0)
#define ASSIGN_MULT_RE(a, b, c) (a) = (b) * (c);
#define ASSIGN_MULT_IM(a, b, c) (a) = 0.0;
#define ACCUMULATE_SUM_MULT(a, b, c) (a) += (b) * (c);
#define ACCUMULATE_SUM_CONJ_MULT(a, b, c) (a) += (b) * (c);
#define ACCUMULATE_SUM_SQ(a, b) { real bbbb = (b); (a) += bbbb * bbbb; }
#endif /* scalars are real */
#define ASSIGN_ZERO(a) ASSIGN_SCALAR(a, 0.0, 0.0);
#define ASSIGN_REAL(a, c) ASSIGN_SCALAR(a, c, 0.0)
#define ASSIGN_CONJ(a, b) ASSIGN_SCALAR(a, SCALAR_RE(b), -SCALAR_IM(b))
#define ACCUMULATE_SUM(sum, a) ACCUMULATE_SCALAR(sum,SCALAR_RE(a),SCALAR_IM(a))
#define ACCUMULATE_DIFF(sum, a) ACCUMULATE_DIFF_SCALAR(sum,SCALAR_RE(a),SCALAR_IM(a))
#ifdef __cplusplus
} /* extern "C" */
#endif /* __cplusplus */
#endif /* SCALAR_H */
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