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authorcvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
committercvs2svn <admin@example.com>2025-04-14 17:32:06 +0000
commiteb8dd9dca1228af0cd132f515509051ecfabf6f6 (patch)
treeedb6da6af7e865d488dc1a29309f1e1ec226e603 /src/regress/lib/libc/modf
parent247f0352e0ed72a4f476db9dc91f4d982bc83eb2 (diff)
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This commit was manufactured by cvs2git to create tag 'tb_20250414'.tb_20250414
Diffstat (limited to 'src/regress/lib/libc/modf')
-rw-r--r--src/regress/lib/libc/modf/Makefile3
-rw-r--r--src/regress/lib/libc/modf/modf_test.c67
2 files changed, 0 insertions, 70 deletions
diff --git a/src/regress/lib/libc/modf/Makefile b/src/regress/lib/libc/modf/Makefile
deleted file mode 100644
index 587c595f12..0000000000
--- a/src/regress/lib/libc/modf/Makefile
+++ /dev/null
@@ -1,3 +0,0 @@
1PROG=modf_test
2
3.include <bsd.regress.mk>
diff --git a/src/regress/lib/libc/modf/modf_test.c b/src/regress/lib/libc/modf/modf_test.c
deleted file mode 100644
index b96618e1f0..0000000000
--- a/src/regress/lib/libc/modf/modf_test.c
+++ /dev/null
@@ -1,67 +0,0 @@
1/* $OpenBSD: modf_test.c,v 1.2 2023/08/13 06:57:04 miod Exp $ */
2
3#include <assert.h>
4#include <math.h>
5
6/* Test for bug introduced in 4.4BSD modf() on sparc */
7/* Public domain, 2014, Tobias Ulmer <tobiasu@tmux.org> */
8
9#define BIGFLOAT (5e15) /* Number large enough to trigger the "big" case */
10
11void
12modf_sparc(void)
13{
14 double f, i;
15
16 f = modf(BIGFLOAT, &i);
17 assert(i == BIGFLOAT);
18 assert(f == 0.0);
19
20 /* Repeat, maybe we were lucky */
21 f = modf(BIGFLOAT, &i);
22 assert(i == BIGFLOAT);
23 assert(f == 0.0);
24
25 /* With negative number, for good measure */
26 f = modf(-BIGFLOAT, &i);
27 assert(i == -BIGFLOAT);
28 assert(f == 0.0);
29}
30
31/* Test for modf() behaviour on Inf and Nan */
32/* Written by Willemijn Coene. Public domain */
33
34void
35modf_infnan(void)
36{
37 double f, i;
38
39 f = modf(__builtin_inf(), &i);
40 assert(isinf(i));
41 assert(signbit(i) == 0);
42 assert(f == 0.0);
43
44 f = modf(-__builtin_inf(), &i);
45 assert(isinf(i));
46 assert(signbit(i) != 0);
47 assert(f == -0.0);
48
49 f = modf(NAN, &i);
50 assert(isnan(i));
51 assert(signbit(i) == 0);
52 assert(isnan(f));
53 assert(signbit(f) == 0);
54
55 f = modf(-NAN, &i);
56 assert(isnan(i));
57 assert(signbit(i) != 0);
58 assert(isnan(f));
59 assert(signbit(f) != 0);
60}
61
62int
63main(void)
64{
65 modf_sparc();
66 modf_infnan();
67}