diff options
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | math/libm-test.inc | 4 | ||||
| -rw-r--r-- | math/s_cacos.c | 2 | ||||
| -rw-r--r-- | math/s_cacosf.c | 2 | ||||
| -rw-r--r-- | math/s_cacosl.c | 2 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 48 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 48 |
8 files changed, 113 insertions, 4 deletions
@@ -1,5 +1,14 @@ 2014-05-14 Joseph Myers <joseph@codesourcery.com> + [BZ #16928] + * math/s_cacos.c (__cacos): Ensure zero real part of result from + non-finite arguments is +0. + * math/s_cacosf.c (__cacosf): Likewise. + * math/s_cacosl.c (__cacosl): Likewise. + * math/libm-test.inc (cacos_test): Use ALL_RM_TEST. + * sysdeps/i386/fpu/libm-test-ulps: Update. + * sysdeps/x86_64/fpu/libm-test-ulps: Likewise. + [BZ #16927] * sysdeps/i386/fpu/e_acosh.S (__ieee754_acosh): Use fabs on x-1 value. @@ -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, - 16927, 16932. + 16927, 16928, 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 b4177e8..de7bc8a 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -2615,9 +2615,7 @@ static const struct test_c_c_data cacos_test_data[] = static void cacos_test (void) { - START (cacos, 0); - RUN_TEST_LOOP_c_c (cacos, cacos_test_data, ); - END_COMPLEX; + ALL_RM_TEST (cacos, 0, cacos_test_data, RUN_TEST_LOOP_c_c, END_COMPLEX); } static const struct test_c_c_data cacosh_test_data[] = diff --git a/math/s_cacos.c b/math/s_cacos.c index d0aaba4..2c22817 100644 --- a/math/s_cacos.c +++ b/math/s_cacos.c @@ -34,6 +34,8 @@ __cacos (__complex__ double x) y = __casin (x); __real__ res = (double) M_PI_2 - __real__ y; + if (__real__ res == 0.0) + __real__ res = 0.0; __imag__ res = -__imag__ y; } else diff --git a/math/s_cacosf.c b/math/s_cacosf.c index 9eaeeec..1c9d8b9 100644 --- a/math/s_cacosf.c +++ b/math/s_cacosf.c @@ -34,6 +34,8 @@ __cacosf (__complex__ float x) y = __casinf (x); __real__ res = (float) M_PI_2 - __real__ y; + if (__real__ res == 0.0f) + __real__ res = 0.0f; __imag__ res = -__imag__ y; } else diff --git a/math/s_cacosl.c b/math/s_cacosl.c index b9d3493..8688d3c 100644 --- a/math/s_cacosl.c +++ b/math/s_cacosl.c @@ -34,6 +34,8 @@ __cacosl (__complex__ long double x) y = __casinl (x); __real__ res = M_PI_2l - __real__ y; + if (__real__ res == 0.0L) + __real__ res = 0.0L; __imag__ res = -__imag__ y; } else diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index ccef44a..946cad4 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -173,6 +173,54 @@ ifloat: 1 ildouble: 2 ldouble: 2 +Function: Real part of "cacos_downward": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 +ildouble: 2 +ldouble: 2 + +Function: Imaginary part of "cacos_downward": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 +ildouble: 5 +ldouble: 5 + +Function: Real part of "cacos_towardzero": +double: 2 +float: 1 +idouble: 2 +ifloat: 1 +ildouble: 2 +ldouble: 2 + +Function: Imaginary part of "cacos_towardzero": +double: 3 +float: 3 +idouble: 3 +ifloat: 3 +ildouble: 5 +ldouble: 5 + +Function: Real part of "cacos_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 +ildouble: 2 +ldouble: 2 + +Function: Imaginary part of "cacos_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 +ildouble: 5 +ldouble: 5 + Function: Real part of "cacosh": double: 1 float: 1 diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index ad8ae9c..d472876 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -199,6 +199,54 @@ ifloat: 2 ildouble: 2 ldouble: 2 +Function: Real part of "cacos_downward": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 +ildouble: 2 +ldouble: 2 + +Function: Imaginary part of "cacos_downward": +double: 5 +float: 3 +idouble: 5 +ifloat: 3 +ildouble: 5 +ldouble: 5 + +Function: Real part of "cacos_towardzero": +double: 1 +float: 2 +idouble: 1 +ifloat: 2 +ildouble: 2 +ldouble: 2 + +Function: Imaginary part of "cacos_towardzero": +double: 5 +float: 3 +idouble: 5 +ifloat: 3 +ildouble: 5 +ldouble: 5 + +Function: Real part of "cacos_upward": +double: 2 +float: 2 +idouble: 2 +ifloat: 2 +ildouble: 2 +ldouble: 2 + +Function: Imaginary part of "cacos_upward": +double: 4 +float: 4 +idouble: 4 +ifloat: 4 +ildouble: 5 +ldouble: 5 + Function: Real part of "cacosh": double: 1 float: 2 |