diff options
| -rw-r--r-- | tools/regression/lib/msun/test-fma.c | 66 |
1 files changed, 63 insertions, 3 deletions
diff --git a/tools/regression/lib/msun/test-fma.c b/tools/regression/lib/msun/test-fma.c index 2e0e54b..1237a60 100644 --- a/tools/regression/lib/msun/test-fma.c +++ b/tools/regression/lib/msun/test-fma.c @@ -362,6 +362,65 @@ test_accuracy(void) 0x1.d87da3aafda40p70L, 0x1.d87da3aafda3fp70L, 0x1.d87da3aafda3fp70L, ALL_STD_EXCEPT, FE_INEXACT); #endif + + /* ilogb(x*y) - ilogb(z) = 0 */ + testrnd(fmaf, 0x1.31ad02p+100, 0x1.2fbf7ap-42, -0x1.c3e106p+58, + -0x1.64c27cp+56, -0x1.64c27ap+56, -0x1.64c27cp+56, + -0x1.64c27ap+56, ALL_STD_EXCEPT, FE_INEXACT); + testrnd(fma, 0x1.31ad012ede8aap+100, 0x1.2fbf79c839067p-42, + -0x1.c3e106929056ep+58, -0x1.64c282b970a5fp+56, + -0x1.64c282b970a5ep+56, -0x1.64c282b970a5fp+56, + -0x1.64c282b970a5ep+56, ALL_STD_EXCEPT, FE_INEXACT); +#if LDBL_MANT_DIG == 113 + testrnd(fmal, 0x1.31ad012ede8aa282fa1c19376d16p+100L, + 0x1.2fbf79c839066f0f5c68f6d2e814p-42L, + -0x1.c3e106929056ec19de72bfe64215p+58L, + -0x1.64c282b970a612598fc025ca8cddp+56L, + -0x1.64c282b970a612598fc025ca8cddp+56L, + -0x1.64c282b970a612598fc025ca8cdep+56L, + -0x1.64c282b970a612598fc025ca8cddp+56L, + ALL_STD_EXCEPT, FE_INEXACT); +#elif LDBL_MANT_DIG == 64 + testrnd(fmal, 0x1.31ad012ede8aa4eap+100L, 0x1.2fbf79c839066aeap-42L, + -0x1.c3e106929056e61p+58L, -0x1.64c282b970a60298p+56L, + -0x1.64c282b970a60298p+56L, -0x1.64c282b970a6029ap+56L, + -0x1.64c282b970a60298p+56L, ALL_STD_EXCEPT, FE_INEXACT); +#elif LDBL_MANT_DIG == 53 + testrnd(fmal, 0x1.31ad012ede8aap+100L, 0x1.2fbf79c839067p-42L, + -0x1.c3e106929056ep+58L, -0x1.64c282b970a5fp+56L, + -0x1.64c282b970a5ep+56L, -0x1.64c282b970a5fp+56L, + -0x1.64c282b970a5ep+56L, ALL_STD_EXCEPT, FE_INEXACT); +#endif + + /* x*y (rounded) ~= -z */ + /* XXX spurious inexact exceptions */ + testrnd(fmaf, 0x1.bbffeep-30, -0x1.1d164cp-74, 0x1.ee7296p-104, + -0x1.c46ea8p-128, -0x1.c46ea8p-128, -0x1.c46ea8p-128, + -0x1.c46ea8p-128, ALL_STD_EXCEPT & ~FE_INEXACT, 0); + testrnd(fma, 0x1.bbffeea6fc7d6p-30, 0x1.1d164c6cbf078p-74, + -0x1.ee72993aff948p-104, -0x1.71f72ac7d9d8p-159, + -0x1.71f72ac7d9d8p-159, -0x1.71f72ac7d9d8p-159, + -0x1.71f72ac7d9d8p-159, ALL_STD_EXCEPT & ~FE_INEXACT, 0); +#if LDBL_MANT_DIG == 113 + testrnd(fmal, 0x1.bbffeea6fc7d65927d147f437675p-30L, + 0x1.1d164c6cbf078b7a22607d1cd6a2p-74L, + -0x1.ee72993aff94973876031bec0944p-104L, + 0x1.64e086175b3a2adc36e607058814p-217L, + 0x1.64e086175b3a2adc36e607058814p-217L, + 0x1.64e086175b3a2adc36e607058814p-217L, + 0x1.64e086175b3a2adc36e607058814p-217L, + ALL_STD_EXCEPT & ~FE_INEXACT, 0); +#elif LDBL_MANT_DIG == 64 + testrnd(fmal, 0x1.bbffeea6fc7d6592p-30L, 0x1.1d164c6cbf078b7ap-74L, + -0x1.ee72993aff949736p-104L, 0x1.af190e7a1ee6ad94p-168L, + 0x1.af190e7a1ee6ad94p-168L, 0x1.af190e7a1ee6ad94p-168L, + 0x1.af190e7a1ee6ad94p-168L, ALL_STD_EXCEPT & ~FE_INEXACT, 0); +#elif LDBL_MANT_DIG == 53 + testrnd(fmal, 0x1.bbffeea6fc7d6p-30L, 0x1.1d164c6cbf078p-74L, + -0x1.ee72993aff948p-104L, -0x1.71f72ac7d9d8p-159L, + -0x1.71f72ac7d9d8p-159L, -0x1.71f72ac7d9d8p-159L, + -0x1.71f72ac7d9d8p-159L, ALL_STD_EXCEPT & ~FE_INEXACT, 0); +#endif } static void @@ -407,9 +466,10 @@ test_double_rounding(void) test(fmal, 0x1.4p+0L, 0x1.0000000000000004p+0L, 0x1p-128L, 0x1.4000000000000006p+0L, ALL_STD_EXCEPT, FE_INEXACT); #elif LDBL_MANT_DIG == 113 - /* XXX untested test */ - test(fmal, 0x1.4p+0L, 0x1.0000000000000000000000000002p+0L, 0x1p-224L, - 0x1.4000000000000000000000000003p+0L, ALL_STD_EXCEPT, FE_INEXACT); + test(fmal, 0x1.8000000000000000000000000001p+0L, + 0x1.8000000000000000000000000001p+0L, + -0x1.0000000000000000000000000001p-224L, + 0x1.2000000000000000000000000001p+1L, ALL_STD_EXCEPT, FE_INEXACT); #endif } |
