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
diff --git a/ChangeLog b/ChangeLog index a4376290ad..37ca8c03be 100644 --- a/ChangeLog +++ b/ChangeLog @@ -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. diff --git a/NEWS b/NEWS index 974d2c80a9..de9e8a280e 100644 --- a/NEWS +++ b/NEWS @@ -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 b4177e8f8e..de7bc8ad94 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 d0aaba4e6a..2c22817d4d 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 9eaeeec53d..1c9d8b9186 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 b9d34930d6..8688d3cd36 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 ccef44ac63..946cad489b 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 ad8ae9ce5c..d47287696c 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 |