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| author | cvs2svn <admin@example.com> | 2025-08-02 06:16:35 +0000 |
|---|---|---|
| committer | cvs2svn <admin@example.com> | 2025-08-02 06:16:35 +0000 |
| commit | a397c95f8aea58533e72379d6e0de12683ecd0dc (patch) | |
| tree | 45ccaccd0ce2ea01650f0a9f5e9268a656e17e51 /src/regress/lib/libc/modf | |
| parent | a79e90e7342954ae2287db505811ca3c1cd336d7 (diff) | |
| download | openbsd-tb_20250802.tar.gz openbsd-tb_20250802.tar.bz2 openbsd-tb_20250802.zip | |
This commit was manufactured by cvs2git to create tag 'tb_20250802'.tb_20250802
Diffstat (limited to 'src/regress/lib/libc/modf')
| -rw-r--r-- | src/regress/lib/libc/modf/Makefile | 3 | ||||
| -rw-r--r-- | src/regress/lib/libc/modf/modf_test.c | 67 |
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 @@ | |||
| 1 | PROG=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 | |||
| 11 | void | ||
| 12 | modf_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 | |||
| 34 | void | ||
| 35 | modf_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 | |||
| 62 | int | ||
| 63 | main(void) | ||
| 64 | { | ||
| 65 | modf_sparc(); | ||
| 66 | modf_infnan(); | ||
| 67 | } | ||
