diff options
| -rw-r--r-- | ChangeLog | 12 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | math/libm-test.inc | 4 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_acosh.S | 1 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_acoshf.S | 1 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_acoshl.S | 1 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 12 | ||||
| -rw-r--r-- | sysdeps/ieee754/ldbl-96/e_acoshl.c | 2 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 15 |
9 files changed, 45 insertions, 5 deletions
@@ -1,5 +1,17 @@ 2014-05-14 Joseph Myers <joseph@codesourcery.com> + [BZ #16927] + * sysdeps/i386/fpu/e_acosh.S (__ieee754_acosh): Use fabs on x-1 + value. + * sysdeps/i386/fpu/e_acoshf.S (__ieee754_acoshf): Likewise. + * sysdeps/i386/fpu/e_acoshl.S (__ieee754_acoshl): Likewise. + * sysdeps/ieee754/ldbl-96/e_acoshl.c (__ieee754_acoshl): Correct + for explicit high bit of mantissa when testing for argument equal + to 1. + * math/libm-test.inc (acosh_test): Use ALL_RM_TEST. + * sysdeps/i386/fpu/libm-test-ulps: Update. + * sysdeps/x86_64/fpu/libm-test-ulps: Likewise. + [BZ #16516] * sysdeps/ieee754/dbl-64/s_erf.c (efx8): Remove variable. (__erf): Scale by 16 instead of 8 in potentially underflowing @@ -17,7 +17,7 @@ Version 2.20 16713, 16714, 16731, 16739, 16740, 16743, 16754, 16758, 16759, 16760, 16770, 16786, 16789, 16791, 16799, 16800, 16815, 16823, 16824, 16831, 16838, 16854, 16876, 16877, 16885, 16888, 16890, 16912, 16916, 16922, - 16932. + 16927, 16932. * The minimum Linux kernel version that this version of the GNU C Library can be used with is 2.6.32. diff --git a/math/libm-test.inc b/math/libm-test.inc index a4bf0b88c3..b4177e8f8e 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -1792,9 +1792,7 @@ static const struct test_f_f_data acosh_test_data[] = static void acosh_test (void) { - START (acosh, 0); - RUN_TEST_LOOP_f_f (acosh, acosh_test_data, ); - END; + ALL_RM_TEST (acosh, 0, acosh_test_data, RUN_TEST_LOOP_f_f, END); } static const struct test_f_f_data asin_test_data[] = diff --git a/sysdeps/i386/fpu/e_acosh.S b/sysdeps/i386/fpu/e_acosh.S index 98a329179b..c66781c985 100644 --- a/sysdeps/i386/fpu/e_acosh.S +++ b/sysdeps/i386/fpu/e_acosh.S @@ -52,6 +52,7 @@ ENTRY(__ieee754_acosh) // 1 <= x <= 2 => y = log1p(x-1+sqrt(2*(x-1)+(x-1)^2)) fsubl MO(one) // x-1 : log(2) + fabs // acosh(1) is +0 in all rounding modes fld %st // x-1 : x-1 : log(2) fmul %st(1) // (x-1)^2 : x-1 : log(2) fadd %st(1) // x-1+(x-1)^2 : x-1 : log(2) diff --git a/sysdeps/i386/fpu/e_acoshf.S b/sysdeps/i386/fpu/e_acoshf.S index db9cf337b2..fa35d50fd0 100644 --- a/sysdeps/i386/fpu/e_acoshf.S +++ b/sysdeps/i386/fpu/e_acoshf.S @@ -52,6 +52,7 @@ ENTRY(__ieee754_acoshf) // 1 <= x <= 2 => y = log1p(x-1+sqrt(2*(x-1)+(x-1)^2)) fsubl MO(one) // x-1 : log(2) + fabs // acosh(1) is +0 in all rounding modes fld %st // x-1 : x-1 : log(2) fmul %st(1) // (x-1)^2 : x-1 : log(2) fadd %st(1) // x-1+(x-1)^2 : x-1 : log(2) diff --git a/sysdeps/i386/fpu/e_acoshl.S b/sysdeps/i386/fpu/e_acoshl.S index a832155d17..38d8110550 100644 --- a/sysdeps/i386/fpu/e_acoshl.S +++ b/sysdeps/i386/fpu/e_acoshl.S @@ -59,6 +59,7 @@ ENTRY(__ieee754_acoshl) // 1 <= x <= 2 => y = log1p(x-1+sqrt(2*(x-1)+(x-1)^2)) fsubl MO(one) // x-1 : log(2) + fabs // acosh(1) is +0 in all rounding modes fld %st // x-1 : x-1 : log(2) fmul %st(1) // (x-1)^2 : x-1 : log(2) fadd %st(1) // x-1+(x-1)^2 : x-1 : log(2) diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index aea6c51b23..ccef44ac63 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -21,6 +21,18 @@ Function: "acos_upward": ildouble: 1 ldouble: 1 +Function: "acosh_downward": +ildouble: 2 +ldouble: 2 + +Function: "acosh_towardzero": +ildouble: 2 +ldouble: 2 + +Function: "acosh_upward": +ildouble: 1 +ldouble: 1 + Function: "asin_downward": double: 1 float: 1 diff --git a/sysdeps/ieee754/ldbl-96/e_acoshl.c b/sysdeps/ieee754/ldbl-96/e_acoshl.c index bbaef680bd..cf9a6db0ef 100644 --- a/sysdeps/ieee754/ldbl-96/e_acoshl.c +++ b/sysdeps/ieee754/ldbl-96/e_acoshl.c @@ -48,7 +48,7 @@ __ieee754_acoshl(long double x) return x+x; } else return __ieee754_logl(x)+ln2; /* acoshl(huge)=logl(2x) */ - } else if(((se-0x3fff)|i0|i1)==0) { + } else if(((se-0x3fff)|(i0^0x80000000)|i1)==0) { return 0.0; /* acosh(1) = 0 */ } else if (se > 0x4000) { /* 2**28 > x > 2 */ t=x*x; diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index 4ba83a46fd..ad8ae9ce5c 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -31,6 +31,21 @@ Function: "acosh": double: 1 idouble: 1 +Function: "acosh_downward": +float: 1 +ildouble: 1 +ldouble: 2 + +Function: "acosh_towardzero": +float: 1 +ildouble: 1 +ldouble: 2 + +Function: "acosh_upward": +double: 1 +ildouble: 1 +ldouble: 1 + Function: "asin_downward": double: 1 float: 1 |