diff options
| -rw-r--r-- | ChangeLog | 6 | ||||
| -rw-r--r-- | NEWS | 4 | ||||
| -rw-r--r-- | math/auto-libm-test-in | 1 | ||||
| -rw-r--r-- | math/auto-libm-test-out | 25 | ||||
| -rw-r--r-- | sysdeps/ieee754/flt-32/s_atanf.c | 2 |
5 files changed, 35 insertions, 3 deletions
@@ -1,5 +1,11 @@ 2015-05-14 Joseph Myers <joseph@codesourcery.com> + [BZ #18196] + * sysdeps/ieee754/flt-32/s_atanf.c (__atanf): Use 2^25 not 2^34 as + threshold for large arguments. + * math/auto-libm-test-in: Add another test of atan. + * math/auto-libm-test-out: Regenerated. + [BZ #16339] * sysdeps/i386/fpu/s_log1p.S (dbl_min): New object. (__log1p): Force underflow exception for results with small @@ -16,8 +16,8 @@ Version 2.22 17964, 17965, 17967, 17969, 17978, 17987, 17991, 17996, 17998, 17999, 18007, 18019, 18020, 18029, 18030, 18032, 18036, 18038, 18039, 18042, 18043, 18046, 18047, 18068, 18080, 18093, 18100, 18104, 18110, 18111, - 18125, 18128, 18138, 18185, 18197, 18206, 18210, 18211, 18247, 18287, - 18319, 18333, 18346, 18397, 18409. + 18125, 18128, 18138, 18185, 18196, 18197, 18206, 18210, 18211, 18247, + 18287, 18319, 18333, 18346, 18397, 18409. * Cache information can be queried via sysconf() function on s390 e.g. with _SC_LEVEL1_ICACHE_SIZE as argument. diff --git a/math/auto-libm-test-in b/math/auto-libm-test-in index 7e5c7bb..1deb99a 100644 --- a/math/auto-libm-test-in +++ b/math/auto-libm-test-in @@ -239,6 +239,7 @@ atan 0x1p-5 atan 2.5 atan 10 atan 1e6 +atan 0x1p31 atan 0x1p-100 atan 0x1p-600 atan 0x1p-10000 diff --git a/math/auto-libm-test-out b/math/auto-libm-test-out index 7c8a3fb..9f6bbbb 100644 --- a/math/auto-libm-test-out +++ b/math/auto-libm-test-out @@ -7796,6 +7796,31 @@ atan 1e6 = atan tonearest ldbl-128ibm 0xf.424p+16L : 0x1.921fa47d4b30ce822275563fcb8p+0L : inexact-ok = atan towardzero ldbl-128ibm 0xf.424p+16L : 0x1.921fa47d4b30ce822275563fcb8p+0L : inexact-ok = atan upward ldbl-128ibm 0xf.424p+16L : 0x1.921fa47d4b30ce822275563fccp+0L : inexact-ok +atan 0x1p31 += atan downward flt-32 0x8p+28f : 0x1.921fb4p+0f : inexact-ok += atan tonearest flt-32 0x8p+28f : 0x1.921fb6p+0f : inexact-ok += atan towardzero flt-32 0x8p+28f : 0x1.921fb4p+0f : inexact-ok += atan upward flt-32 0x8p+28f : 0x1.921fb6p+0f : inexact-ok += atan downward dbl-64 0x8p+28 : 0x1.921fb54242d18p+0 : inexact-ok += atan tonearest dbl-64 0x8p+28 : 0x1.921fb54242d18p+0 : inexact-ok += atan towardzero dbl-64 0x8p+28 : 0x1.921fb54242d18p+0 : inexact-ok += atan upward dbl-64 0x8p+28 : 0x1.921fb54242d19p+0 : inexact-ok += atan downward ldbl-96-intel 0x8p+28L : 0x1.921fb54242d18468p+0L : inexact-ok += atan tonearest ldbl-96-intel 0x8p+28L : 0x1.921fb54242d1846ap+0L : inexact-ok += atan towardzero ldbl-96-intel 0x8p+28L : 0x1.921fb54242d18468p+0L : inexact-ok += atan upward ldbl-96-intel 0x8p+28L : 0x1.921fb54242d1846ap+0L : inexact-ok += atan downward ldbl-96-m68k 0x8p+28L : 0x1.921fb54242d18468p+0L : inexact-ok += atan tonearest ldbl-96-m68k 0x8p+28L : 0x1.921fb54242d1846ap+0L : inexact-ok += atan towardzero ldbl-96-m68k 0x8p+28L : 0x1.921fb54242d18468p+0L : inexact-ok += atan upward ldbl-96-m68k 0x8p+28L : 0x1.921fb54242d1846ap+0L : inexact-ok += atan downward ldbl-128 0x8p+28L : 0x1.921fb54242d18469898cc519ac62p+0L : inexact-ok += atan tonearest ldbl-128 0x8p+28L : 0x1.921fb54242d18469898cc519ac63p+0L : inexact-ok += atan towardzero ldbl-128 0x8p+28L : 0x1.921fb54242d18469898cc519ac62p+0L : inexact-ok += atan upward ldbl-128 0x8p+28L : 0x1.921fb54242d18469898cc519ac63p+0L : inexact-ok += atan downward ldbl-128ibm 0x8p+28L : 0x1.921fb54242d18469898cc519acp+0L : inexact-ok += atan tonearest ldbl-128ibm 0x8p+28L : 0x1.921fb54242d18469898cc519ac8p+0L : inexact-ok += atan towardzero ldbl-128ibm 0x8p+28L : 0x1.921fb54242d18469898cc519acp+0L : inexact-ok += atan upward ldbl-128ibm 0x8p+28L : 0x1.921fb54242d18469898cc519ac8p+0L : inexact-ok atan 0x1p-100 = atan downward flt-32 0x1p-100f : 0xf.fffffp-104f : inexact-ok = atan tonearest flt-32 0x1p-100f : 0x1p-100f : inexact-ok diff --git a/sysdeps/ieee754/flt-32/s_atanf.c b/sysdeps/ieee754/flt-32/s_atanf.c index 1593918..be2addb 100644 --- a/sysdeps/ieee754/flt-32/s_atanf.c +++ b/sysdeps/ieee754/flt-32/s_atanf.c @@ -60,7 +60,7 @@ float __atanf(float x) GET_FLOAT_WORD(hx,x); ix = hx&0x7fffffff; - if(ix>=0x50800000) { /* if |x| >= 2^34 */ + if(ix>=0x4c000000) { /* if |x| >= 2^25 */ if(ix>0x7f800000) return x+x; /* NaN */ if(hx>0) return atanhi[3]+atanlo[3]; |