File: tst-CMPLX2.c

package info (click to toggle)
glibc 2.19-13
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 202,472 kB
  • ctags: 140,344
  • sloc: ansic: 969,274; asm: 241,208; sh: 10,047; makefile: 8,467; cpp: 3,595; perl: 2,077; pascal: 1,839; awk: 1,704; yacc: 317; sed: 73
file content (144 lines) | stat: -rw-r--r-- 3,778 bytes parent folder | download | duplicates (10)
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
/* Copyright (C) 2012-2014 Free Software Foundation, Inc.
   This file is part of the GNU C Library.
   Contributed by Marek Polacek <polacek@redhat.com>, 2012.

   The GNU C Library 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.

   The GNU C Library 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 the GNU C Library; if not, see
   <http://www.gnu.org/licenses/>.  */

/* Adapted from gcc.dg/torture/builtin-complex-1.c test from GCC
   testsuite written by Joseph S. Myers.  */

#include <complex.h>

static int result;

#define COMPARE_BODY(A, B, TYPE, COPYSIGN)				\
  do {									\
    TYPE s1 = COPYSIGN ((TYPE) 1.0, A);					\
    TYPE s2 = COPYSIGN ((TYPE) 1.0, B);					\
    if (s1 != s2)							\
      result |= 1;							\
    if ((__builtin_isnan (A) != 0) != (__builtin_isnan (B) != 0))	\
      result |= 1;							\
    if ((A != B) != (__builtin_isnan (A) != 0))				\
      result |= 1;							\
  } while (0)

#ifdef CMPLX

static void
comparef (float a, float b)
{
  COMPARE_BODY (a, b, float, __builtin_copysignf);
}

static void
compare (double a, double b)
{
  COMPARE_BODY (a, b, double, __builtin_copysign);
}

static void
comparel (long double a, long double b)
{
  COMPARE_BODY (a, b, long double, __builtin_copysignl);
}

static void
comparecf (_Complex float a, float r, float i)
{
  comparef (__real__ a, r);
  comparef (__imag__ a, i);
}

static void
comparec (_Complex double a, double r, double i)
{
  compare (__real__ a, r);
  compare (__imag__ a, i);
}

static void
comparecl (_Complex long double a, long double r, long double i)
{
  comparel (__real__ a, r);
  comparel (__imag__ a, i);
}

#define VERIFY(A, B, TYPE, COMPARE, CL)			\
  do {							\
    TYPE a = A;						\
    TYPE b = B;						\
    _Complex TYPE cr = CL (a, b);			\
    static _Complex TYPE cs = CL (A, B);		\
    COMPARE (cr, A, B);					\
    COMPARE (cs, A, B);					\
  } while (0)

#define ALL_CHECKS(PZ, NZ, NAN, INF, TYPE, COMPARE, CL)	\
  do {							\
    VERIFY (PZ, PZ, TYPE, COMPARE, CL);			\
    VERIFY (PZ, NZ, TYPE, COMPARE, CL);			\
    VERIFY (PZ, NAN, TYPE, COMPARE, CL);		\
    VERIFY (PZ, INF, TYPE, COMPARE, CL);		\
    VERIFY (NZ, PZ, TYPE, COMPARE, CL);			\
    VERIFY (NZ, NZ, TYPE, COMPARE, CL);			\
    VERIFY (NZ, NAN, TYPE, COMPARE, CL);		\
    VERIFY (NZ, INF, TYPE, COMPARE, CL);		\
    VERIFY (NAN, PZ, TYPE, COMPARE, CL);		\
    VERIFY (NAN, NZ, TYPE, COMPARE, CL);		\
    VERIFY (NAN, NAN, TYPE, COMPARE, CL);		\
    VERIFY (NAN, INF, TYPE, COMPARE, CL);		\
    VERIFY (INF, PZ, TYPE, COMPARE,CL);			\
    VERIFY (INF, NZ, TYPE, COMPARE, CL);		\
    VERIFY (INF, NAN, TYPE, COMPARE, CL);		\
    VERIFY (INF, INF, TYPE, COMPARE, CL);		\
  } while (0)

static void
check_float (void)
{
  ALL_CHECKS (0.0f, -0.0f, __builtin_nanf (""), __builtin_inff (),
	      float, comparecf, CMPLXF);
}

static void
check_double (void)
{
  ALL_CHECKS (0.0, -0.0, __builtin_nan (""), __builtin_inf (),
	      double, comparec, CMPLX);
}

static void
check_long_double (void)
{
  ALL_CHECKS (0.0l, -0.0l, __builtin_nanl (""), __builtin_infl (),
	      long double, comparecl, CMPLXL);
}
#endif

static int
do_test (void)
{
#ifdef CMPLX
  check_float ();
  check_double ();
  check_long_double ();
#endif

  return result;
}

#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"