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[BZ #2549]

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2006-04-14  H.J. Lu  <hongjiu.lu@intel.com>
	[BZ #2549]
	* math/libm-test.inc (check_float_internal): Support
	denormalized return.
This commit is contained in:
Ulrich Drepper 2007-10-28 01:14:40 +00:00
parent ad3371fbac
commit e6b29af8a3
2 changed files with 24 additions and 5 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
2006-04-14 H.J. Lu <hongjiu.lu@intel.com>
[BZ #2549]
* math/libm-test.inc (check_float_internal): Support
denormalized return.
2007-10-23 Andreas Jaeger <aj@suse.de> 2007-10-23 Andreas Jaeger <aj@suse.de>
[BZ #5208] [BZ #5208]

17
math/libm-test.inc
View File

@ -487,11 +487,24 @@ check_float_internal (const char *test_name, FLOAT computed, FLOAT expected,
else else
{ {
diff = FUNC(fabs) (computed - expected); diff = FUNC(fabs) (computed - expected);
switch (fpclassify (expected))
{
case FP_ZERO:
/* ilogb (0) isn't allowed. */ /* ilogb (0) isn't allowed. */
if (expected == 0.0)
ulp = diff / FUNC(ldexp) (1.0, - MANT_DIG); ulp = diff / FUNC(ldexp) (1.0, - MANT_DIG);
else break;
case FP_NORMAL:
ulp = diff / FUNC(ldexp) (1.0, FUNC(ilogb) (expected) - MANT_DIG); ulp = diff / FUNC(ldexp) (1.0, FUNC(ilogb) (expected) - MANT_DIG);
break;
case FP_SUBNORMAL:
ulp = (FUNC(ldexp) (diff, MANT_DIG)
/ FUNC(ldexp) (1.0, FUNC(ilogb) (expected)));
break;
default:
/* It should never happen. */
abort ();
break;
}
set_max_error (ulp, curr_max_error); set_max_error (ulp, curr_max_error);
print_diff = 1; print_diff = 1;
if ((exceptions & IGNORE_ZERO_INF_SIGN) == 0 if ((exceptions & IGNORE_ZERO_INF_SIGN) == 0