diff options
| -rw-r--r-- | ChangeLog | 17 | ||||
| -rw-r--r-- | NEWS | 2 | ||||
| -rw-r--r-- | math/libm-test.inc | 248 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_acos.S | 1 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_acosf.S | 1 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/e_acosl.c | 1 | ||||
| -rw-r--r-- | sysdeps/i386/fpu/libm-test-ulps | 191 | ||||
| -rw-r--r-- | sysdeps/x86_64/fpu/libm-test-ulps | 158 |
8 files changed, 618 insertions, 1 deletions
diff --git a/ChangeLog b/ChangeLog index 7a65e6c5b5..f436af4083 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,5 +1,22 @@ 2012-04-30 Joseph Myers <joseph@codesourcery.com> + [BZ #14034] + * sysdeps/i386/fpu/e_acos.S (__ieee754_acos): Take absolute value + of square root. + * sysdeps/i386/fpu/e_acosf.S (__ieee754_acosf): Likewise. + * sysdeps/i386/fpu/e_acosl.c (__ieee754_acosl): Likewise. + * math/libm-test.inc (acos_test_tonearest): New function. + (acos_test_towardzero): Likewise. + (acos_test_downward): Likewise. + (acos_test_upward): Likewise. + (asin_test_tonearest): Likewise. + (asin_test_towardzero): Likewise. + (asin_test_downward): Likewise. + (asin_test_upward): Likewise. + (main): Call the new functions. + * sysdeps/i386/fpu/libm-test-ulps: Update. + * sysdeps/x86_64/fpu/libm-test-ulps: Update. + [BZ #13884] [BZ #13924] * math/e_exp10.c: Include <float.h>. diff --git a/NEWS b/NEWS index da9174eff8..4481ea43fc 100644 --- a/NEWS +++ b/NEWS @@ -22,7 +22,7 @@ Version 2.16 13844, 13846, 13851, 13852, 13854, 13871, 13872, 13873, 13879, 13883, 13886, 13892, 13895, 13908, 13910, 13911, 13912, 13913, 13915, 13916, 13917, 13918, 13919, 13920, 13921, 13924, 13926, 13927, 13928, 13938, - 13941, 13963, 13967, 13970, 13973, 14027, 14033 + 13941, 13963, 13967, 13970, 13973, 14027, 14033, 14034 * ISO C11 support: diff --git a/math/libm-test.inc b/math/libm-test.inc index cd627cd829..bedff09fea 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -761,6 +761,126 @@ acos_test (void) END (acos); } + +static void +acos_test_tonearest (void) +{ + int save_round_mode; + errno = 0; + FUNC(acos) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (acos_tonearest); + + save_round_mode = fegetround (); + + if (!fesetround (FE_TONEAREST)) + { + TEST_f_f (acos, 0, M_PI_2l); + TEST_f_f (acos, minus_zero, M_PI_2l); + TEST_f_f (acos, 1, 0); + TEST_f_f (acos, -1, M_PIl); + TEST_f_f (acos, 0.5, M_PI_6l*2.0); + TEST_f_f (acos, -0.5, M_PI_6l*4.0); + } + + fesetround (save_round_mode); + + END (acos_tonearest); +} + + +static void +acos_test_towardzero (void) +{ + int save_round_mode; + errno = 0; + FUNC(acos) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (acos_towardzero); + + save_round_mode = fegetround (); + + if (!fesetround (FE_TOWARDZERO)) + { + TEST_f_f (acos, 0, M_PI_2l); + TEST_f_f (acos, minus_zero, M_PI_2l); + TEST_f_f (acos, 1, 0); + TEST_f_f (acos, -1, M_PIl); + TEST_f_f (acos, 0.5, M_PI_6l*2.0); + TEST_f_f (acos, -0.5, M_PI_6l*4.0); + } + + fesetround (save_round_mode); + + END (acos_towardzero); +} + + +static void +acos_test_downward (void) +{ + int save_round_mode; + errno = 0; + FUNC(acos) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (acos_downward); + + save_round_mode = fegetround (); + + if (!fesetround (FE_DOWNWARD)) + { + TEST_f_f (acos, 0, M_PI_2l); + TEST_f_f (acos, minus_zero, M_PI_2l); + TEST_f_f (acos, 1, 0); + TEST_f_f (acos, -1, M_PIl); + TEST_f_f (acos, 0.5, M_PI_6l*2.0); + TEST_f_f (acos, -0.5, M_PI_6l*4.0); + } + + fesetround (save_round_mode); + + END (acos_downward); +} + + +static void +acos_test_upward (void) +{ + int save_round_mode; + errno = 0; + FUNC(acos) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (acos_upward); + + save_round_mode = fegetround (); + + if (!fesetround (FE_UPWARD)) + { + TEST_f_f (acos, 0, M_PI_2l); + TEST_f_f (acos, minus_zero, M_PI_2l); + TEST_f_f (acos, 1, 0); + TEST_f_f (acos, -1, M_PIl); + TEST_f_f (acos, 0.5, M_PI_6l*2.0); + TEST_f_f (acos, -0.5, M_PI_6l*4.0); + } + + fesetround (save_round_mode); + + END (acos_upward); +} + static void acosh_test (void) { @@ -817,6 +937,126 @@ asin_test (void) END (asin); } + +static void +asin_test_tonearest (void) +{ + int save_round_mode; + errno = 0; + FUNC(asin) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (asin_tonearest); + + save_round_mode = fegetround (); + + if (!fesetround (FE_TONEAREST)) + { + TEST_f_f (asin, 0, 0); + TEST_f_f (asin, minus_zero, minus_zero); + TEST_f_f (asin, 0.5, M_PI_6l); + TEST_f_f (asin, -0.5, -M_PI_6l); + TEST_f_f (asin, 1.0, M_PI_2l); + TEST_f_f (asin, -1.0, -M_PI_2l); + } + + fesetround (save_round_mode); + + END (asin_tonearest); +} + + +static void +asin_test_towardzero (void) +{ + int save_round_mode; + errno = 0; + FUNC(asin) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (asin_towardzero); + + save_round_mode = fegetround (); + + if (!fesetround (FE_TOWARDZERO)) + { + TEST_f_f (asin, 0, 0); + TEST_f_f (asin, minus_zero, minus_zero); + TEST_f_f (asin, 0.5, M_PI_6l); + TEST_f_f (asin, -0.5, -M_PI_6l); + TEST_f_f (asin, 1.0, M_PI_2l); + TEST_f_f (asin, -1.0, -M_PI_2l); + } + + fesetround (save_round_mode); + + END (asin_towardzero); +} + + +static void +asin_test_downward (void) +{ + int save_round_mode; + errno = 0; + FUNC(asin) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (asin_downward); + + save_round_mode = fegetround (); + + if (!fesetround (FE_DOWNWARD)) + { + TEST_f_f (asin, 0, 0); + TEST_f_f (asin, minus_zero, minus_zero); + TEST_f_f (asin, 0.5, M_PI_6l); + TEST_f_f (asin, -0.5, -M_PI_6l); + TEST_f_f (asin, 1.0, M_PI_2l); + TEST_f_f (asin, -1.0, -M_PI_2l); + } + + fesetround (save_round_mode); + + END (asin_downward); +} + + +static void +asin_test_upward (void) +{ + int save_round_mode; + errno = 0; + FUNC(asin) (0); + if (errno == ENOSYS) + /* Function not implemented. */ + return; + + START (asin_upward); + + save_round_mode = fegetround (); + + if (!fesetround (FE_UPWARD)) + { + TEST_f_f (asin, 0, 0); + TEST_f_f (asin, minus_zero, minus_zero); + TEST_f_f (asin, 0.5, M_PI_6l); + TEST_f_f (asin, -0.5, -M_PI_6l); + TEST_f_f (asin, 1.0, M_PI_2l); + TEST_f_f (asin, -1.0, -M_PI_2l); + } + + fesetround (save_round_mode); + + END (asin_upward); +} + static void asinh_test (void) { @@ -8194,7 +8434,15 @@ main (int argc, char **argv) /* Trigonometric functions: */ acos_test (); + acos_test_tonearest (); + acos_test_towardzero (); + acos_test_downward (); + acos_test_upward (); asin_test (); + asin_test_tonearest (); + asin_test_towardzero (); + asin_test_downward (); + asin_test_upward (); atan_test (); atan2_test (); cos_test (); diff --git a/sysdeps/i386/fpu/e_acos.S b/sysdeps/i386/fpu/e_acos.S index d3505baf07..d10a054b9c 100644 --- a/sysdeps/i386/fpu/e_acos.S +++ b/sysdeps/i386/fpu/e_acos.S @@ -15,6 +15,7 @@ ENTRY(__ieee754_acos) fld1 /* 1 : x^2 : x */ fsubp /* 1 - x^2 : x */ fsqrt /* sqrt (1 - x^2) : x */ + fabs fxch %st(1) /* x : sqrt (1 - x^2) */ fpatan /* atan (sqrt(1 - x^2) / x) */ ret diff --git a/sysdeps/i386/fpu/e_acosf.S b/sysdeps/i386/fpu/e_acosf.S index 6a843a51dd..54930af8b2 100644 --- a/sysdeps/i386/fpu/e_acosf.S +++ b/sysdeps/i386/fpu/e_acosf.S @@ -16,6 +16,7 @@ ENTRY(__ieee754_acosf) fld1 fsubp /* 1 - x^2 */ fsqrt /* sqrt (1 - x^2) */ + fabs fxch %st(1) fpatan ret diff --git a/sysdeps/i386/fpu/e_acosl.c b/sysdeps/i386/fpu/e_acosl.c index ec516ffca9..d249d5a956 100644 --- a/sysdeps/i386/fpu/e_acosl.c +++ b/sysdeps/i386/fpu/e_acosl.c @@ -18,6 +18,7 @@ __ieee754_acosl (long double x) "fld1\n" "fsubp\n" /* 1 - x^2 */ "fsqrt\n" /* sqrtl (1 - x^2) */ + "fabs\n" "fxch %%st(1)\n" "fpatan" : "=t" (res) : "0" (x) : "st(1)"); diff --git a/sysdeps/i386/fpu/libm-test-ulps b/sysdeps/i386/fpu/libm-test-ulps index c3a3ce0da2..fdaff3525d 100644 --- a/sysdeps/i386/fpu/libm-test-ulps +++ b/sysdeps/i386/fpu/libm-test-ulps @@ -5,6 +5,77 @@ Test "acos (0.75) == 0.722734247813415611178377352641333362": ildouble: 1 ldouble: 1 +# acos_downward +Test "acos_downward (-0) == pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "acos_downward (-0.5) == M_PI_6l*4.0": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +Test "acos_downward (-1) == pi": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "acos_downward (0) == pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "acos_downward (0.5) == M_PI_6l*2.0": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +# acos_towardzero +Test "acos_towardzero (-0) == pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "acos_towardzero (-0.5) == M_PI_6l*4.0": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +Test "acos_towardzero (-1) == pi": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "acos_towardzero (0) == pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "acos_towardzero (0.5) == M_PI_6l*2.0": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +# acos_upward +Test "acos_upward (-0) == pi/2": +double: 1 +idouble: 1 +Test "acos_upward (-0.5) == M_PI_6l*4.0": +ildouble: 1 +ldouble: 1 +Test "acos_upward (-1) == pi": +double: 1 +idouble: 1 +Test "acos_upward (0) == pi/2": +double: 1 +idouble: 1 +Test "acos_upward (0.5) == M_PI_6l*2.0": +ildouble: 1 +ldouble: 1 + # asin Test "asin (-0.5) == -pi/6": ildouble: 1 @@ -22,6 +93,76 @@ Test "asin (1.0) == pi/2": ildouble: 1 ldouble: 1 +# asin_downward +Test "asin_downward (-0.5) == -pi/6": +ildouble: 1 +ldouble: 1 +Test "asin_downward (-1.0) == -pi/2": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "asin_downward (0.5) == pi/6": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "asin_downward (1.0) == pi/2": +float: 1 +ifloat: 1 + +# asin_tonearest +Test "asin_tonearest (-0.5) == -pi/6": +ildouble: 1 +ldouble: 1 +Test "asin_tonearest (0.5) == pi/6": +ildouble: 1 +ldouble: 1 + +# asin_towardzero +Test "asin_towardzero (-0.5) == -pi/6": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "asin_towardzero (-1.0) == -pi/2": +float: 1 +ifloat: 1 +Test "asin_towardzero (0.5) == pi/6": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "asin_towardzero (1.0) == pi/2": +float: 1 +ifloat: 1 + +# asin_upward +Test "asin_upward (-0.5) == -pi/6": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "asin_upward (-1.0) == -pi/2": +float: 1 +ifloat: 1 +Test "asin_upward (0.5) == pi/6": +ildouble: 1 +ldouble: 1 +Test "asin_upward (1.0) == pi/2": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 + # atanh Test "atanh (0.75) == 0.972955074527656652552676371721589865": ildouble: 2 @@ -2132,10 +2273,60 @@ Function: "acos": ildouble: 1 ldouble: 1 +Function: "acos_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "acos_towardzero": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "acos_upward": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 + Function: "asin": ildouble: 1 ldouble: 1 +Function: "asin_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "asin_tonearest": +ildouble: 1 +ldouble: 1 + +Function: "asin_towardzero": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "asin_upward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + Function: "atanh": ildouble: 2 ldouble: 1 diff --git a/sysdeps/x86_64/fpu/libm-test-ulps b/sysdeps/x86_64/fpu/libm-test-ulps index c700bdf74d..5068fe6952 100644 --- a/sysdeps/x86_64/fpu/libm-test-ulps +++ b/sysdeps/x86_64/fpu/libm-test-ulps @@ -5,6 +5,52 @@ Test "acos (0.75) == 0.722734247813415611178377352641333362": ildouble: 1 ldouble: 1 +# acos_downward +Test "acos_downward (-0) == pi/2": +ildouble: 1 +ldouble: 1 +Test "acos_downward (-0.5) == M_PI_6l*4.0": +double: 1 +idouble: 1 +Test "acos_downward (-1) == pi": +ildouble: 1 +ldouble: 1 +Test "acos_downward (0) == pi/2": +ildouble: 1 +ldouble: 1 +Test "acos_downward (0.5) == M_PI_6l*2.0": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +# acos_towardzero +Test "acos_towardzero (-0) == pi/2": +ildouble: 1 +ldouble: 1 +Test "acos_towardzero (-0.5) == M_PI_6l*4.0": +double: 1 +idouble: 1 +Test "acos_towardzero (-1) == pi": +ildouble: 1 +ldouble: 1 +Test "acos_towardzero (0) == pi/2": +ildouble: 1 +ldouble: 1 +Test "acos_towardzero (0.5) == M_PI_6l*2.0": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 + +# acos_upward +Test "acos_upward (-0.5) == M_PI_6l*4.0": +ildouble: 1 +ldouble: 1 +Test "acos_upward (0.5) == M_PI_6l*2.0": +ildouble: 1 +ldouble: 1 + # asin Test "asin (-0.5) == -pi/6": ildouble: 1 @@ -22,6 +68,72 @@ Test "asin (1.0) == pi/2": ildouble: 1 ldouble: 1 +# asin_downward +Test "asin_downward (-0.5) == -pi/6": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "asin_downward (0.5) == pi/6": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "asin_downward (1.0) == pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +# asin_tonearest +Test "asin_tonearest (-0.5) == -pi/6": +ildouble: 1 +ldouble: 1 +Test "asin_tonearest (-1.0) == -pi/2": +ildouble: 1 +ldouble: 1 +Test "asin_tonearest (0.5) == pi/6": +ildouble: 1 +ldouble: 1 +Test "asin_tonearest (1.0) == pi/2": +ildouble: 1 +ldouble: 1 + +# asin_towardzero +Test "asin_towardzero (-0.5) == -pi/6": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "asin_towardzero (-1.0) == -pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "asin_towardzero (0.5) == pi/6": +double: 1 +idouble: 1 +ildouble: 1 +ldouble: 1 +Test "asin_towardzero (1.0) == pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +# asin_upward +Test "asin_upward (-0.5) == -pi/6": +ildouble: 1 +ldouble: 1 +Test "asin_upward (-1.0) == -pi/2": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 +Test "asin_upward (0.5) == pi/6": +ildouble: 1 +ldouble: 1 + # atan2 Test "atan2 (-0.75, -1.0) == -2.49809154479650885165983415456218025": float: 1 @@ -2078,10 +2190,56 @@ Function: "acos": ildouble: 1 ldouble: 1 +Function: "acos_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "acos_towardzero": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "acos_upward": +ildouble: 1 +ldouble: 1 + Function: "asin": ildouble: 1 ldouble: 1 +Function: "asin_downward": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "asin_tonearest": +ildouble: 1 +ldouble: 1 + +Function: "asin_towardzero": +double: 1 +float: 1 +idouble: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + +Function: "asin_upward": +float: 1 +ifloat: 1 +ildouble: 1 +ldouble: 1 + Function: "atan2": float: 1 ifloat: 1 |