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1998-07-23  Ulrich Drepper  <drepper@cygnus.com>

	* sysdeps/generic/glob.c: Fix two problems with GLOB_DOOFFS.
	Reported by bwelling@anomaly.munge.com [PR libc/720].

	* sysdeps/libm-ieee754/k_standard.c: Return NAN for libm not in
	SVID more for gamma(x) with x interger <= 0.
	Reported by Stephen L Moshier <moshier@mediaone.net>.

	* math/libm-test.c (gamma_test): Add test for gamma(-1) and gamma(0).
	Correct test for SVID version of gamma.

	* sysdeps/libm-ieee754/w_gamma.c: Use correct matherr call in SVID
	emulation mode.
	* sysdeps/libm-ieee754/w_gammaf.c: Likewise.
	* sysdeps/libm-ieee754/w_gammal.c: Likewise.

	* string/string.h: Don't use string function optimization for C++
	as long as we use macros.
This commit is contained in:
Ulrich Drepper
1998-07-23 14:59:16 +00:00
parent 6905087315
commit cc60175e8c
8 changed files with 115 additions and 41 deletions
Download Patch File Download Diff File Expand all files Collapse all files

15
math/libm-test.c
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@ -1433,17 +1433,17 @@ gamma_test (void)
_LIB_VERSION = _SVID_;
check_isinfp ("gamma (+inf) == +inf", FUNC(gamma) (plus_infty));
check_isinfp_exc ("gamma (0) == +inf plus divide by zero exception",
FUNC(gamma) (0), DIVIDE_BY_ZERO_EXCEPTION);
check_exc ("gamma (0) == HUGE plus divide by zero exception",
FUNC(gamma) (0), HUGE, DIVIDE_BY_ZERO_EXCEPTION);
check_isinfp_exc ("gamma (x) == +inf plus divide by zero exception for integer x <= 0",
FUNC(gamma) (-3), DIVIDE_BY_ZERO_EXCEPTION);
check_exc ("gamma (x) == HUGE plus divide by zero exception for integer x <= 0",
FUNC(gamma) (-3), HUGE, DIVIDE_BY_ZERO_EXCEPTION);
check_isnan_exc ("gamma (-inf) == NaN plus invalid exception",
FUNC(gamma) (minus_infty), INVALID_EXCEPTION);
signgam = 0;
check ("gamma (1) == 0", FUNC(gamma) (1), 0);
check_int ("gamma (0) sets signgam to 1", signgam, 1);
check_int ("gamma (1) sets signgam to 1", signgam, 1);
signgam = 0;
check ("gamma (3) == M_LN2", FUNC(gamma) (3), M_LN2l);
@ -1486,6 +1486,11 @@ gamma_test (void)
1.29805533264755778568L, CHOOSE(0, 3e-16, 2e-7));
check ("gamma (1.2) == 0.91816...", FUNC(gamma) (1.2), 0.91816874239976061064L);
check_isnan_exc ("gamma (0.0) == NaN plus invalid exception",
FUNC(gamma) (0.0), INVALID_EXCEPTION);
check_isnan_exc ("gamma (-1.0) == NaN plus invalid exception",
FUNC(gamma) (-1.0), INVALID_EXCEPTION);
_LIB_VERSION = save_lib_version;
}