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powerpc: Fix lgammal_r overflow warnings

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ldbl-128ibm uses ldbl-128 e_lgammal_r implementation as is, however some
constants definitions overflows for IBM long double range.  This patch
suppress the compiler warnings until the ldbl-128ibm implementation is
fixed.
This commit is contained in:
Adhemerval Zanella 2014-12-11 07:17:11 -05:00
parent e2dd138e21
commit 9d96909913
2 changed files with 14 additions and 1 deletions
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ChangeLog
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@ -1,3 +1,8 @@
2014-12-11 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
* sysdeps/ieee754/ldbl-128/e_lgammal_r.c: Remove overflow warnings for
constants definition.
2014-12-11 Andreas Schwab <schwab@suse.de>
[BZ #16657]

10
sysdeps/ieee754/ldbl-128/e_lgammal_r.c
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@ -70,12 +70,20 @@
#include <math.h>
#include <math_private.h>
#include <libc-internal.h>
#include <float.h>
/* BZ#16347: ldbl-128ibm uses this file as is, however the MAXLGM
definition overflows for IBM long double. This directive prevents the
overflow warnings until IBM long double version is fixed. */
static const long double PIL = 3.1415926535897932384626433832795028841972E0L;
DIAG_PUSH_NEEDS_COMMENT;
DIAG_IGNORE_NEEDS_COMMENT (4.6, "-Woverflow");
static const long double MAXLGM = 1.0485738685148938358098967157129705071571E4928L;
DIAG_POP_NEEDS_COMMENT;
static const long double one = 1.0L;
static const long double zero = 0.0L;
static const long double huge = 1.0e4000L;
static const long double huge = LDBL_MAX;
/* log gamma(x) = ( x - 0.5 ) * log(x) - x + LS2PI + 1/x P(1/x^2)
1/x <= 0.0741 (x >= 13.495...)