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Fix cbrtl for ldbl-96

This commit is contained in:
Andreas Schwab 2013-07-17 14:53:24 +02:00
parent 6c1fd79571
commit ca0a6bc4c5
4 changed files with 15 additions and 1 deletions
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8
ChangeLog
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@ -1,3 +1,11 @@
2013-08-13 Andreas Schwab <schwab@suse.de>
[BZ #15749]
* sysdeps/ieee754/ldbl-96/s_cbrtl.c (__cbrtl): Use fabsl instead
of fabs.
* math/libm-test.inc (cbrt_test_data) [TEST_LDOUBLE &&
LDBL_MAX_EXP >= 16384]: Add tests for it.
2013-08-12 David S. Miller <davem@davemloft.net> 2013-08-12 David S. Miller <davem@davemloft.net>
* version.h (RELEASE): Set to "development". * version.h (RELEASE): Set to "development".

1
NEWS
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@ -9,6 +9,7 @@ Version 2.19
* The following bugs are resolved with this release: * The following bugs are resolved with this release:
15749
Version 2.18 Version 2.18

5
math/libm-test.inc
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@ -5845,6 +5845,11 @@ static const struct test_f_f_data cbrt_test_data[] =
TEST_f_f (cbrt, -27.0, -3.0), TEST_f_f (cbrt, -27.0, -3.0),
TEST_f_f (cbrt, 0.9921875L, 0.997389022060725270579075195353955217L), TEST_f_f (cbrt, 0.9921875L, 0.997389022060725270579075195353955217L),
TEST_f_f (cbrt, 0.75L, 0.908560296416069829445605878163630251L), TEST_f_f (cbrt, 0.75L, 0.908560296416069829445605878163630251L),
#if defined TEST_LDOUBLE && LDBL_MAX_EXP >= 16384
TEST_f_f (cbrt, 0x1p16383L, 0x1p5461L),
TEST_f_f (cbrt, 0x1p-16383L, 0x1p-5461L),
#endif
}; };
static void static void

2
sysdeps/ieee754/ldbl-96/s_cbrtl.c
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@ -45,7 +45,7 @@ __cbrtl (long double x)
int xe; int xe;
/* Reduce X. XM now is an range 1.0 to 0.5. */ /* Reduce X. XM now is an range 1.0 to 0.5. */
xm = __frexpl (fabs (x), &xe); xm = __frexpl (fabsl (x), &xe);
/* If X is not finite or is null return it (with raising exceptions /* If X is not finite or is null return it (with raising exceptions
if necessary. if necessary.