diff options
Diffstat (limited to 'math')
-rw-r--r-- | math/atest-exp.c | 8 | ||||
-rw-r--r-- | math/atest-exp2.c | 7 | ||||
-rw-r--r-- | math/atest-sincos.c | 10 | ||||
-rw-r--r-- | math/basic-test.c | 36 | ||||
-rw-r--r-- | math/bug-nextafter.c | 255 | ||||
-rw-r--r-- | math/bug-nexttoward.c | 255 | ||||
-rw-r--r-- | math/libm-test.inc | 16 | ||||
-rw-r--r-- | math/math_private.h | 6 | ||||
-rw-r--r-- | math/s_nextafter.c | 20 | ||||
-rw-r--r-- | math/s_nexttowardf.c | 21 | ||||
-rw-r--r-- | math/test-misc.c | 74 |
11 files changed, 50 insertions, 658 deletions
diff --git a/math/atest-exp.c b/math/atest-exp.c index 158be4231a..2f168c9a6d 100644 --- a/math/atest-exp.c +++ b/math/atest-exp.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Geoffrey Keating <Geoff.Keating@anu.edu.au>, 1997. @@ -171,8 +171,10 @@ main (void) memset (e2, '\0', sizeof (mp1)); for (i = -1; i < 100 && i < FRAC / 4; i++) - e2[(FRAC - i * 4 - 4) / mpbpl] |= ((strchr (hexdig, exp1[i + 1]) - hexdig) - << (FRAC - i * 4 - 4) % mpbpl); + e2[(FRAC - i * 4 - 4) / mpbpl] |= ((mp_limb_t) (strchr (hexdig, + exp1[i + 1]) + - hexdig) + << (FRAC - i * 4 - 4) % mpbpl); if (mpn_cmp (ex, e2, SZ) >= 0) mpn_sub_n (e3, ex, e2, SZ); diff --git a/math/atest-exp2.c b/math/atest-exp2.c index 33d942fc61..2c028a2b83 100644 --- a/math/atest-exp2.c +++ b/math/atest-exp2.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Geoffrey Keating <Geoff.Keating@anu.edu.au>, 1997. @@ -73,8 +73,9 @@ read_mpn_hex(mp_limb_t *x, const char *str) memset (x, 0, sizeof (mp1)); for (i = -1; i < 100 && i < FRAC / 4; ++i) - x[(FRAC - i * 4 - 4) / mpbpl] |= ((strchr (hexdig, str[i + 1]) - hexdig) - << (FRAC - i * 4 - 4) % mpbpl); + x[(FRAC - i * 4 - 4) / mpbpl] |= ((mp_limb_t) (strchr (hexdig, str[i + 1]) + - hexdig) + << (FRAC - i * 4 - 4) % mpbpl); } static mp_limb_t *get_log2(void) __attribute__((const)); diff --git a/math/atest-sincos.c b/math/atest-sincos.c index 911aaec275..bef3521c96 100644 --- a/math/atest-sincos.c +++ b/math/atest-sincos.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1997, 1998, 2000 Free Software Foundation, Inc. +/* Copyright (C) 1997, 1998, 2000, 2006 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Geoffrey Keating <Geoff.Keating@anu.edu.au>, 1997. @@ -239,9 +239,11 @@ main (void) memset (c2, 0, sizeof (mp1)); for (i = 0; i < 100 && i < FRAC / 4; i++) { - s2[(FRAC - i * 4 - 4) / mpbpl] |= ((strchr (hexdig, sin1[i]) - hexdig) - << (FRAC - i * 4 - 4) % mpbpl); - c2[(FRAC - i * 4 - 4) / mpbpl] |= ((strchr (hexdig, cos1[i]) - hexdig) + s2[(FRAC - i * 4 - 4) / mpbpl] |= ((mp_limb_t) (strchr (hexdig, sin1[i]) + - hexdig) + << (FRAC - i * 4 - 4) % mpbpl); + c2[(FRAC - i * 4 - 4) / mpbpl] |= ((mp_limb_t) (strchr (hexdig, cos1[i]) + - hexdig) << (FRAC - i * 4 - 4) % mpbpl); } diff --git a/math/basic-test.c b/math/basic-test.c index e48a3ae4e0..e42c014572 100644 --- a/math/basic-test.c +++ b/math/basic-test.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2007 Free Software Foundation, Inc. +/* Copyright (C) 1999 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Andreas Jaeger <aj@suse.de>, 1999. @@ -44,7 +44,7 @@ NAME (void) \ \ zero_var = 0.0; \ one_var = 1.0; \ - NaN_var = zero_var / zero_var; \ + NaN_var = zero_var/zero_var; \ Inf_var = one_var / zero_var; \ \ (void) &zero_var; \ @@ -103,51 +103,21 @@ NAME (void) \ check (#FLOAT " isinf (-HUGE_VALx) == -1", isinf (x1) == -1); \ } -#define TEST_TRUNC(NAME, FLOAT, DOUBLE) \ -void \ -NAME (void) \ -{ \ - volatile DOUBLE Inf_var, NaN_var, zero_var, one_var; \ - FLOAT x1, x2; \ - \ - zero_var = 0.0; \ - one_var = 1.0; \ - NaN_var = zero_var / zero_var; \ - Inf_var = one_var / zero_var; \ - \ - (void) &NaN_var; \ - (void) &Inf_var; \ - \ - x1 = (FLOAT) NaN_var; \ - check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") NaN", isnan (x1) != 0); \ - x2 = (FLOAT) Inf_var; \ - check (" "#FLOAT" x = ("#FLOAT") ("#DOUBLE") Inf", isinf (x2) != 0); \ -} - TEST_FUNC (float_test, float, nanf, FLT_EPSILON, HUGE_VALF) TEST_FUNC (double_test, double, nan, DBL_EPSILON, HUGE_VAL) -TEST_TRUNC (truncdfsf_test, float, double) #ifndef NO_LONG_DOUBLE TEST_FUNC (ldouble_test, long double, nanl, LDBL_EPSILON, HUGE_VALL) -TEST_TRUNC (trunctfsf_test, float, long double) -TEST_TRUNC (trunctfdf_test, double, long double) #endif int -do_test (void) +main (void) { float_test (); double_test (); - truncdfsf_test(); #ifndef NO_LONG_DOUBLE ldouble_test (); - trunctfsf_test(); - trunctfdf_test(); #endif return errors != 0; } - -#define TEST_FUNCTION do_test () -#include "../test-skeleton.c" diff --git a/math/bug-nextafter.c b/math/bug-nextafter.c index 1d21841ea6..2a967c75bf 100644 --- a/math/bug-nextafter.c +++ b/math/bug-nextafter.c @@ -4,9 +4,6 @@ #include <stdlib.h> #include <stdio.h> -float zero = 0.0; -float inf = INFINITY; - int main (void) { @@ -37,81 +34,6 @@ main (void) ++result; } - i = 0; - m = FLT_MIN; - feclearexcept (FE_ALL_EXCEPT); - i = nextafterf (m, i); - if (i < 0 || i >= FLT_MIN) - { - puts ("nextafterf+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterf+ did not underflow"); - ++result; - } - i = 0; - feclearexcept (FE_ALL_EXCEPT); - i = nextafterf (-m, -i); - if (i > 0 || i <= -FLT_MIN) - { - puts ("nextafterf- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterf- did not underflow"); - ++result; - } - i = -INFINITY; - feclearexcept (FE_ALL_EXCEPT); - m = nextafterf (zero, inf); - if (m < 0.0 || m >= FLT_MIN) - { - puts ("nextafterf+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterf+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafterf (m, i) != 0.0) - { - puts ("nextafterf+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterf+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - m = nextafterf (copysignf (zero, -1.0), -inf); - if (m > 0.0 || m <= -FLT_MIN) - { - puts ("nextafterf- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterf- did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafterf (m, -i) != 0.0) - { - puts ("nextafterf- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterf- did not underflow"); - ++result; - } - double di = INFINITY; double dm = DBL_MAX; feclearexcept (FE_ALL_EXCEPT); @@ -137,182 +59,5 @@ main (void) ++result; } - di = 0; - dm = DBL_MIN; - feclearexcept (FE_ALL_EXCEPT); - di = nextafter (dm, di); - if (di < 0 || di >= DBL_MIN) - { - puts ("nextafter+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafter+ did not underflow"); - ++result; - } - di = 0; - feclearexcept (FE_ALL_EXCEPT); - di = nextafter (-dm, -di); - if (di > 0 || di <= -DBL_MIN) - { - puts ("nextafter- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafter- did not underflow"); - ++result; - } - di = -INFINITY; - feclearexcept (FE_ALL_EXCEPT); - dm = nextafter (zero, inf); - if (dm < 0.0 || dm >= DBL_MIN) - { - puts ("nextafter+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafter+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafter (dm, di) != 0.0) - { - puts ("nextafter+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafter+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - dm = nextafter (copysign (zero, -1.0), -inf); - if (dm > 0.0 || dm <= -DBL_MIN) - { - puts ("nextafter- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafter- did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafter (dm, -di) != 0.0) - { - puts ("nextafter- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafter- did not underflow"); - ++result; - } - -#ifndef NO_LONG_DOUBLE - long double li = INFINITY; - long double lm = LDBL_MAX; - feclearexcept (FE_ALL_EXCEPT); - if (nextafterl (lm, li) != li) - { - puts ("nextafterl+ failed"); - ++result; - } - if (fetestexcept (FE_OVERFLOW) == 0) - { - puts ("nextafterl+ did not overflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafterl (-lm, -li) != -li) - { - puts ("nextafterl failed"); - ++result; - } - if (fetestexcept (FE_OVERFLOW) == 0) - { - puts ("nextafterl- did not overflow"); - ++result; - } - - li = 0; - lm = LDBL_MIN; - feclearexcept (FE_ALL_EXCEPT); - li = nextafterl (lm, li); - if (li < 0 || li >= LDBL_MIN) - { - puts ("nextafterl+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterl+ did not underflow"); - ++result; - } - li = 0; - feclearexcept (FE_ALL_EXCEPT); - li = nextafterl (-lm, -li); - if (li > 0 || li <= -LDBL_MIN) - { - puts ("nextafterl- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterl- did not underflow"); - ++result; - } - li = -INFINITY; - feclearexcept (FE_ALL_EXCEPT); - lm = nextafterl (zero, inf); - if (lm < 0.0 || lm >= LDBL_MIN) - { - puts ("nextafterl+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterl+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafterl (lm, li) != 0.0) - { - puts ("nextafterl+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterl+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - lm = nextafterl (copysign (zero, -1.0), -inf); - if (lm > 0.0 || lm <= -LDBL_MIN) - { - puts ("nextafterl- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterl- did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nextafterl (lm, -li) != 0.0) - { - puts ("nextafterl- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nextafterl- did not underflow"); - ++result; - } -#endif - return result; } diff --git a/math/bug-nexttoward.c b/math/bug-nexttoward.c index ff57e5e3f5..e306a129c2 100644 --- a/math/bug-nexttoward.c +++ b/math/bug-nexttoward.c @@ -4,9 +4,6 @@ #include <stdlib.h> #include <stdio.h> -float zero = 0.0; -float inf = INFINITY; - int main (void) { @@ -38,81 +35,6 @@ main (void) ++result; } - fi = 0; - m = FLT_MIN; - feclearexcept (FE_ALL_EXCEPT); - fi = nexttowardf (m, fi); - if (fi < 0 || fi >= FLT_MIN) - { - puts ("nexttowardf+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardf+ did not underflow"); - ++result; - } - fi = 0; - feclearexcept (FE_ALL_EXCEPT); - fi = nexttowardf (-m, -fi); - if (fi > 0 || fi <= -FLT_MIN) - { - puts ("nexttowardf- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardf- did not underflow"); - ++result; - } - fi = -INFINITY; - feclearexcept (FE_ALL_EXCEPT); - m = nexttowardf (zero, inf); - if (m < 0.0 || m >= FLT_MIN) - { - puts ("nexttowardf+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardf+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttowardf (m, fi) != 0.0) - { - puts ("nexttowardf+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardf+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - m = nexttowardf (copysignf (zero, -1.0), -inf); - if (m > 0.0 || m <= -FLT_MIN) - { - puts ("nexttowardf- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardf- did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttowardf (m, -fi) != 0.0) - { - puts ("nexttowardf- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardf- did not underflow"); - ++result; - } - tl = (long double) DBL_MAX + 1.0e305L; double di = INFINITY; double dm = DBL_MAX; @@ -139,182 +61,5 @@ main (void) ++result; } - di = 0; - dm = DBL_MIN; - feclearexcept (FE_ALL_EXCEPT); - di = nexttoward (dm, di); - if (di < 0 || di >= DBL_MIN) - { - puts ("nexttoward+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttoward+ did not underflow"); - ++result; - } - di = 0; - feclearexcept (FE_ALL_EXCEPT); - di = nexttoward (-dm, -di); - if (di > 0 || di <= -DBL_MIN) - { - puts ("nexttoward- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttoward- did not underflow"); - ++result; - } - di = -INFINITY; - feclearexcept (FE_ALL_EXCEPT); - dm = nexttoward (zero, inf); - if (dm < 0.0 || dm >= DBL_MIN) - { - puts ("nexttoward+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttoward+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttoward (dm, di) != 0.0) - { - puts ("nexttoward+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttoward+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - dm = nexttoward (copysign (zero, -1.0), -inf); - if (dm > 0.0 || dm <= -DBL_MIN) - { - puts ("nexttoward- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttoward- did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttoward (dm, -di) != 0.0) - { - puts ("nexttoward- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttoward- did not underflow"); - ++result; - } - -#ifndef NO_LONG_DOUBLE - long double li = INFINITY; - long double lm = LDBL_MAX; - feclearexcept (FE_ALL_EXCEPT); - if (nexttowardl (lm, li) != li) - { - puts ("nexttowardl+ failed"); - ++result; - } - if (fetestexcept (FE_OVERFLOW) == 0) - { - puts ("nexttowardl+ did not overflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttowardl (-lm, -li) != -li) - { - puts ("nexttowardl failed"); - ++result; - } - if (fetestexcept (FE_OVERFLOW) == 0) - { - puts ("nexttowardl- did not overflow"); - ++result; - } - - li = 0; - lm = LDBL_MIN; - feclearexcept (FE_ALL_EXCEPT); - li = nexttowardl (lm, li); - if (li < 0 || li >= LDBL_MIN) - { - puts ("nexttowardl+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardl+ did not underflow"); - ++result; - } - li = 0; - feclearexcept (FE_ALL_EXCEPT); - li = nexttowardl (-lm, -li); - if (li > 0 || li <= -LDBL_MIN) - { - puts ("nexttowardl- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardl- did not underflow"); - ++result; - } - li = -INFINITY; - feclearexcept (FE_ALL_EXCEPT); - lm = nexttowardl (zero, inf); - if (lm < 0.0 || lm >= LDBL_MIN) - { - puts ("nexttowardl+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardl+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttowardl (lm, li) != 0.0) - { - puts ("nexttowardl+ failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardl+ did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - lm = nexttowardl (copysign (zero, -1.0), -inf); - if (lm > 0.0 || lm <= -LDBL_MIN) - { - puts ("nexttowardl- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardl- did not underflow"); - ++result; - } - feclearexcept (FE_ALL_EXCEPT); - if (nexttowardl (lm, -li) != 0.0) - { - puts ("nexttowardl- failed"); - ++result; - } - if (fetestexcept (FE_UNDERFLOW) == 0) - { - puts ("nexttowardl- did not underflow"); - ++result; - } -#endif - return result; } diff --git a/math/libm-test.inc b/math/libm-test.inc index 81dd364f77..23ee6beaa8 100644 --- a/math/libm-test.inc +++ b/math/libm-test.inc @@ -4127,9 +4127,7 @@ log_test (void) TEST_f_f (log, 1, 0); TEST_f_f (log, -1, nan_value, INVALID_EXCEPTION); - TEST_f_f (log, minus_infty, nan_value, INVALID_EXCEPTION); TEST_f_f (log, plus_infty, plus_infty); - TEST_f_f (log, nan_value, nan_value); TEST_f_f (log, M_El, 1); TEST_f_f (log, 1.0 / M_El, -1); @@ -4159,7 +4157,6 @@ log10_test (void) /* log10 (x) == NaN plus invalid exception if x < 0. */ TEST_f_f (log10, -1, nan_value, INVALID_EXCEPTION); - TEST_f_f (log10, minus_infty, nan_value, INVALID_EXCEPTION); TEST_f_f (log10, plus_infty, plus_infty); TEST_f_f (log10, nan_value, nan_value); @@ -4191,7 +4188,6 @@ log1p_test (void) TEST_f_f (log1p, -1, minus_infty, DIVIDE_BY_ZERO_EXCEPTION); TEST_f_f (log1p, -2, nan_value, INVALID_EXCEPTION); - TEST_f_f (log1p, minus_infty, nan_value, INVALID_EXCEPTION); TEST_f_f (log1p, plus_infty, plus_infty); TEST_f_f (log1p, nan_value, nan_value); @@ -4222,7 +4218,6 @@ log2_test (void) TEST_f_f (log2, 1, 0); TEST_f_f (log2, -1, nan_value, INVALID_EXCEPTION); - TEST_f_f (log2, minus_infty, nan_value, INVALID_EXCEPTION); TEST_f_f (log2, plus_infty, plus_infty); TEST_f_f (log2, nan_value, nan_value); @@ -4619,17 +4614,6 @@ pow_test (void) /* pow (x, NaN) == NaN. */ TEST_ff_f (pow, 3.0, nan_value, nan_value); - TEST_ff_f (pow, minus_zero, nan_value, nan_value); - TEST_ff_f (pow, plus_infty, nan_value, nan_value); - TEST_ff_f (pow, -3.0, nan_value, nan_value); - TEST_ff_f (pow, minus_infty, nan_value, nan_value); - - TEST_ff_f (pow, nan_value, 3.0, nan_value); - TEST_ff_f (pow, nan_value, -3.0, nan_value); - TEST_ff_f (pow, nan_value, plus_infty, nan_value); - TEST_ff_f (pow, nan_value, minus_infty, nan_value); - TEST_ff_f (pow, nan_value, 2.5, nan_value); - TEST_ff_f (pow, nan_value, -2.5, nan_value); TEST_ff_f (pow, 1, plus_infty, 1); TEST_ff_f (pow, -1, plus_infty, 1); diff --git a/math/math_private.h b/math/math_private.h index 129646f8c5..572e546831 100644 --- a/math/math_private.h +++ b/math/math_private.h @@ -332,10 +332,4 @@ extern double __slowexp (double __x); extern double __slowpow (double __x, double __y, double __z); extern void __docos (double __x, double __dx, double __v[]); -#ifndef math_opt_barrier -#define math_opt_barrier(x) \ -({ __typeof (x) __x = x; __asm ("" : "+m" (__x)); __x; }) -#define math_force_eval(x) __asm __volatile ("" : : "m" (x)) -#endif - #endif /* _MATH_PRIVATE_H_ */ diff --git a/math/s_nextafter.c b/math/s_nextafter.c index d2af52dda3..9c678b79c5 100644 --- a/math/s_nextafter.c +++ b/math/s_nextafter.c @@ -26,7 +26,7 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp #define nexttoward __internal_nexttoward #include <math.h> -#include <math_private.h> +#include "math_private.h" #include <float.h> #ifdef __STDC__ @@ -49,12 +49,9 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp return x+y; if(x==y) return y; /* x=y, return y */ if((ix|lx)==0) { /* x == 0 */ - double u; INSERT_WORDS(x,hy&0x80000000,1); /* return +-minsubnormal */ - u = math_opt_barrier (x); - u = u*u; - math_force_eval (u); /* raise underflow flag */ - return x; + y = x*x; + if(y==x) return y; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if(hx>hy||((hx==hy)&&(lx>ly))) { /* x > y, x -= ulp */ @@ -77,12 +74,15 @@ static char rcsid[] = "$NetBSD: s_nextafter.c,v 1.8 1995/05/10 20:47:58 jtc Exp if(hy>=0x7ff00000) { x = x+x; /* overflow */ if (FLT_EVAL_METHOD != 0 && FLT_EVAL_METHOD != 1) - asm ("" : "+m"(x)); + asm ("" : "=m"(x) : "m"(x)); return x; /* overflow */ } - if(hy<0x00100000) { - double u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ + if(hy<0x00100000) { /* underflow */ + y = x*x; + if(y!=x) { /* raise underflow flag */ + INSERT_WORDS(y,hx,lx); + return y; + } } INSERT_WORDS(x,hx,lx); return x; diff --git a/math/s_nexttowardf.c b/math/s_nexttowardf.c index 0494d1a4e9..1a1026612e 100644 --- a/math/s_nexttowardf.c +++ b/math/s_nexttowardf.c @@ -21,7 +21,7 @@ */ #include <math.h> -#include <math_private.h> +#include "math_private.h" #include <float.h> #ifdef __STDC__ @@ -45,12 +45,10 @@ return x+y; if((long double) x==y) return y; /* x=y, return y */ if(ix==0) { /* x == 0 */ - float u; + float x2; SET_FLOAT_WORD(x,(u_int32_t)(hy&0x80000000)|1);/* return +-minsub*/ - u = math_opt_barrier (x); - u = u * u; - math_force_eval (u); /* raise underflow flag */ - return x; + x2 = x*x; + if(x2==x) return x2; else return x; /* raise underflow flag */ } if(hx>=0) { /* x > 0 */ if(hy<0||(ix>>23)>(iy>>20)-0x380 @@ -72,12 +70,15 @@ x = x+x; /* overflow */ if (FLT_EVAL_METHOD != 0) /* Force conversion to float. */ - asm ("" : "+m"(x)); + asm ("" : "=m"(x) : "m"(x)); return x; } - if(hy<0x00800000) { - float u = x*x; /* underflow */ - math_force_eval (u); /* raise underflow flag */ + if(hy<0x00800000) { /* underflow */ + float x2 = x*x; + if(x2!=x) { /* raise underflow flag */ + SET_FLOAT_WORD(x2,hx); + return x2; + } } SET_FLOAT_WORD(x,hx); return x; diff --git a/math/test-misc.c b/math/test-misc.c index 862e11f0c3..d2393cc840 100644 --- a/math/test-misc.c +++ b/math/test-misc.c @@ -1,5 +1,5 @@ /* Miscellaneous tests which don't fit anywhere else. - Copyright (C) 2000, 2001, 2004, 2005, 2007 Free Software Foundation, Inc. + Copyright (C) 2000, 2001, 2004, 2005 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -44,6 +44,7 @@ main (void) } } +# if __GNUC__ >= 3 || __GNUC_MINOR__ >= 96 { long double x; long double m; @@ -51,17 +52,17 @@ main (void) int e; int i; -# if LDBL_MANT_DIG == 64 +# if LDBL_MANT_DIG == 64 m = 0xf.fffffffffffffffp-4L; -# elif LDBL_MANT_DIG == 106 +# elif LDBL_MANT_DIG == 106 /* This has to match the mantissa of LDBL_MAX which actually does have a missing bit in the middle. */ m = 0x1.fffffffffffff7ffffffffffff8p-1L; -# elif LDBL_MANT_DIG == 113 +# elif LDBL_MANT_DIG == 113 m = 0x1.ffffffffffffffffffffffffffffp-1L; -# else -# error "Please adjust" -# endif +# else +# error "Please adjust" +# endif for (i = LDBL_MAX_EXP, x = LDBL_MAX; i >= LDBL_MIN_EXP; --i, x /= 2.0L) { @@ -105,8 +106,9 @@ main (void) } } +# endif -# if 0 +#if 0 { int e; long double r = frexpl (LDBL_MIN * LDBL_EPSILON, &e); @@ -124,7 +126,7 @@ main (void) result = 1; } } -# endif +#endif #endif { @@ -1181,59 +1183,5 @@ main (void) } #endif - volatile float f1 = FLT_MAX; - volatile float f2 = FLT_MAX / 2; - (void) &f1; - (void) &f2; - feclearexcept (FE_ALL_EXCEPT); - f2 += f1; - int fe = fetestexcept (FE_ALL_EXCEPT); - if (fe != (FE_OVERFLOW | FE_INEXACT)) - { - printf ("float overflow test failed: %x\n", fe); - result = 1; - } - - volatile double d1 = DBL_MAX; - volatile double d2 = DBL_MAX / 2; - (void) &d1; - (void) &d2; - feclearexcept (FE_ALL_EXCEPT); - d2 += d1; - fe = fetestexcept (FE_ALL_EXCEPT); - if (fe != (FE_OVERFLOW | FE_INEXACT)) - { - printf ("double overflow test failed: %x\n", fe); - result = 1; - } - -#ifndef NO_LONG_DOUBLE - volatile long double ld1 = LDBL_MAX; - volatile long double ld2 = LDBL_MAX / 2; - (void) &ld1; - (void) &ld2; - feclearexcept (FE_ALL_EXCEPT); - ld2 += ld1; - fe = fetestexcept (FE_ALL_EXCEPT); - if (fe != (FE_OVERFLOW | FE_INEXACT)) - { - printf ("long double overflow test failed: %x\n", fe); - result = 1; - } -#endif - -#if !defined NO_LONG_DOUBLE && LDBL_MANT_DIG == 113 - volatile long double ld3 = 0x1.0000000000010000000100000001p+1; - volatile long double ld4 = 0x1.0000000000000000000000000001p+1; - (void) &ld3; - (void) &ld4; - ld3 -= ld4; - if (ld3 != 0x1.0p-47) - { - printf ("long double subtraction test failed %.28La\n", ld3); - result = 1; - } -#endif - return result; } |