/usr/lib/gcc/x86_64-linux-gnu/4.7/include/quadmath_weak.h is in libgcc-4.7-dev 4.7.3-12ubuntu1.
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 | /* GCC Quad-Precision Math Library
Copyright (C) 2010, 2011 Free Software Foundation, Inc.
Written by Tobias Burnus <burnus@net-b.de>
This file is part of the libquadmath library.
Libquadmath is free software; you can redistribute it and/or
modify it under the terms of the GNU Library General Public
License as published by the Free Software Foundation; either
version 2 of the License, or (at your option) any later version.
Libquadmath 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
Library General Public License for more details.
You should have received a copy of the GNU Library General Public
License along with libquadmath; see the file COPYING.LIB. If
not, write to the Free Software Foundation, Inc., 51 Franklin Street - Fifth Floor,
Boston, MA 02110-1301, USA. */
#ifndef QUADMATH_WEAK_H
#define QUADMATH_WEAK_H
#include "quadmath.h"
#if SUPPORTS_WEAK
# define __qmath2(name,name2,type) \
static __typeof(type) name __attribute__ ((__weakref__(#name2)));
# define __qmath_(name) __qmath_ ## name
#else
# define __qmath2(name,name2,type)
# define __qmath_(name) name
#endif
/* __qmath_foo is a weak reference to symbol foo. */
#define __qmath3(name) __qmath2(__qmath_ ## name,name,name)
/* Prototypes for real functions. */
__qmath3 (acosq)
__qmath3 (acoshq)
__qmath3 (asinq)
__qmath3 (asinhq)
__qmath3 (atanq)
__qmath3 (atanhq)
__qmath3 (atan2q)
__qmath3 (cbrtq)
__qmath3 (ceilq)
__qmath3 (copysignq)
__qmath3 (coshq)
__qmath3 (cosq)
__qmath3 (erfq)
__qmath3 (erfcq)
__qmath3 (expq)
__qmath3 (expm1q)
__qmath3 (fabsq)
__qmath3 (fdimq)
__qmath3 (finiteq)
__qmath3 (floorq)
__qmath3 (fmaq)
__qmath3 (fmaxq)
__qmath3 (fminq)
__qmath3 (fmodq)
__qmath3 (frexpq)
__qmath3 (hypotq)
__qmath3 (ilogbq)
__qmath3 (isinfq)
__qmath3 (isnanq)
__qmath3 (j0q)
__qmath3 (j1q)
__qmath3 (jnq)
__qmath3 (ldexpq)
__qmath3 (lgammaq)
__qmath3 (llrintq)
__qmath3 (llroundq)
__qmath3 (logq)
__qmath3 (log10q)
__qmath3 (log1pq)
__qmath3 (log2q)
__qmath3 (lrintq)
__qmath3 (lroundq)
__qmath3 (modfq)
__qmath3 (nanq)
__qmath3 (nearbyintq)
__qmath3 (nextafterq)
__qmath3 (powq)
__qmath3 (remainderq)
__qmath3 (remquoq)
__qmath3 (rintq)
__qmath3 (roundq)
__qmath3 (scalblnq)
__qmath3 (scalbnq)
__qmath3 (signbitq)
__qmath3 (sincosq)
__qmath3 (sinhq)
__qmath3 (sinq)
__qmath3 (sqrtq)
__qmath3 (tanq)
__qmath3 (tanhq)
__qmath3 (tgammaq)
__qmath3 (truncq)
__qmath3 (y0q)
__qmath3 (y1q)
__qmath3 (ynq)
/* Prototypes for complex functions. */
__qmath3 (cabsq)
__qmath3 (cargq)
__qmath3 (cimagq)
__qmath3 (crealq)
__qmath3 (cacosq)
__qmath3 (cacoshq)
__qmath3 (casinq)
__qmath3 (casinhq)
__qmath3 (catanq)
__qmath3 (catanhq)
__qmath3 (ccosq)
__qmath3 (ccoshq)
__qmath3 (cexpq)
__qmath3 (cexpiq)
__qmath3 (clogq)
__qmath3 (clog10q)
__qmath3 (conjq)
__qmath3 (cpowq)
__qmath3 (cprojq)
__qmath3 (csinq)
__qmath3 (csinhq)
__qmath3 (csqrtq)
__qmath3 (ctanq)
__qmath3 (ctanhq)
/* Prototypes for string <-> flt128 conversion functions. */
__qmath3 (strtoflt128)
__qmath3 (quadmath_snprintf)
#endif
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