diff options
Diffstat (limited to 'packages/mpfr/3.1.3/220-root.patch')
-rw-r--r-- | packages/mpfr/3.1.3/220-root.patch | 621 |
1 files changed, 0 insertions, 621 deletions
diff --git a/packages/mpfr/3.1.3/220-root.patch b/packages/mpfr/3.1.3/220-root.patch deleted file mode 100644 index 9cd62a77..00000000 --- a/packages/mpfr/3.1.3/220-root.patch +++ /dev/null @@ -1,621 +0,0 @@ -diff -Naurd mpfr-3.1.3-a/PATCHES mpfr-3.1.3-b/PATCHES ---- mpfr-3.1.3-a/PATCHES 2016-02-15 15:20:51.242696408 +0000 -+++ mpfr-3.1.3-b/PATCHES 2016-02-15 15:20:51.306696441 +0000 -@@ -0,0 +1 @@ -+root -diff -Naurd mpfr-3.1.3-a/VERSION mpfr-3.1.3-b/VERSION ---- mpfr-3.1.3-a/VERSION 2016-02-15 15:20:16.922677881 +0000 -+++ mpfr-3.1.3-b/VERSION 2016-02-15 15:20:51.306696441 +0000 -@@ -1 +1 @@ --3.1.3-p11 -+3.1.3-p12 -diff -Naurd mpfr-3.1.3-a/src/mpfr.h mpfr-3.1.3-b/src/mpfr.h ---- mpfr-3.1.3-a/src/mpfr.h 2016-02-15 15:20:16.922677881 +0000 -+++ mpfr-3.1.3-b/src/mpfr.h 2016-02-15 15:20:51.302696439 +0000 -@@ -27,7 +27,7 @@ - #define MPFR_VERSION_MAJOR 3 - #define MPFR_VERSION_MINOR 1 - #define MPFR_VERSION_PATCHLEVEL 3 --#define MPFR_VERSION_STRING "3.1.3-p11" -+#define MPFR_VERSION_STRING "3.1.3-p12" - - /* Macros dealing with MPFR VERSION */ - #define MPFR_VERSION_NUM(a,b,c) (((a) << 16L) | ((b) << 8) | (c)) -diff -Naurd mpfr-3.1.3-a/src/root.c mpfr-3.1.3-b/src/root.c ---- mpfr-3.1.3-a/src/root.c 2015-06-19 19:55:10.000000000 +0000 -+++ mpfr-3.1.3-b/src/root.c 2016-02-15 15:20:51.282696429 +0000 -@@ -23,13 +23,15 @@ - #define MPFR_NEED_LONGLONG_H - #include "mpfr-impl.h" - -- /* The computation of y = x^(1/k) is done as follows: -+ /* The computation of y = x^(1/k) is done as follows, except for large -+ values of k, for which this would be inefficient or yield internal -+ integer overflows: - - Let x = sign * m * 2^(k*e) where m is an integer - - with 2^(k*(n-1)) <= m < 2^(k*n) where n = PREC(y) - -- and m = s^k + r where 0 <= r and m < (s+1)^k -+ and m = s^k + t where 0 <= t and m < (s+1)^k - - we want that s has n bits i.e. s >= 2^(n-1), or m >= 2^(k*(n-1)) - i.e. m must have at least k*(n-1)+1 bits -@@ -38,11 +40,15 @@ - x^(1/k) = s * 2^e or (s+1) * 2^e according to the rounding mode. - */ - -+static int -+mpfr_root_aux (mpfr_ptr y, mpfr_srcptr x, unsigned long k, -+ mpfr_rnd_t rnd_mode); -+ - int - mpfr_root (mpfr_ptr y, mpfr_srcptr x, unsigned long k, mpfr_rnd_t rnd_mode) - { - mpz_t m; -- mpfr_exp_t e, r, sh; -+ mpfr_exp_t e, r, sh, f; - mpfr_prec_t n, size_m, tmp; - int inexact, negative; - MPFR_SAVE_EXPO_DECL (expo); -@@ -55,50 +61,27 @@ - - if (MPFR_UNLIKELY (k <= 1)) - { -- if (k < 1) /* k==0 => y=x^(1/0)=x^(+Inf) */ --#if 0 -- /* For 0 <= x < 1 => +0. -- For x = 1 => 1. -- For x > 1, => +Inf. -- For x < 0 => NaN. -- */ -+ if (k == 0) - { -- if (MPFR_IS_NEG (x) && !MPFR_IS_ZERO (x)) -- { -- MPFR_SET_NAN (y); -- MPFR_RET_NAN; -- } -- inexact = mpfr_cmp (x, __gmpfr_one); -- if (inexact == 0) -- return mpfr_set_ui (y, 1, rnd_mode); /* 1 may be Out of Range */ -- else if (inexact < 0) -- return mpfr_set_ui (y, 0, rnd_mode); /* 0+ */ -- else -- { -- mpfr_set_inf (y, 1); -- return 0; -- } -+ MPFR_SET_NAN (y); -+ MPFR_RET_NAN; - } --#endif -- { -- MPFR_SET_NAN (y); -- MPFR_RET_NAN; -- } -- else /* y =x^(1/1)=x */ -+ else /* y = x^(1/1) = x */ - return mpfr_set (y, x, rnd_mode); - } - - /* Singular values */ -- else if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (x))) -+ if (MPFR_UNLIKELY (MPFR_IS_SINGULAR (x))) - { - if (MPFR_IS_NAN (x)) - { - MPFR_SET_NAN (y); /* NaN^(1/k) = NaN */ - MPFR_RET_NAN; - } -- else if (MPFR_IS_INF (x)) /* +Inf^(1/k) = +Inf -- -Inf^(1/k) = -Inf if k odd -- -Inf^(1/k) = NaN if k even */ -+ -+ if (MPFR_IS_INF (x)) /* +Inf^(1/k) = +Inf -+ -Inf^(1/k) = -Inf if k odd -+ -Inf^(1/k) = NaN if k even */ - { - if (MPFR_IS_NEG(x) && (k % 2 == 0)) - { -@@ -106,27 +89,31 @@ - MPFR_RET_NAN; - } - MPFR_SET_INF (y); -- MPFR_SET_SAME_SIGN (y, x); -- MPFR_RET (0); - } - else /* x is necessarily 0: (+0)^(1/k) = +0 - (-0)^(1/k) = -0 */ - { - MPFR_ASSERTD (MPFR_IS_ZERO (x)); - MPFR_SET_ZERO (y); -- MPFR_SET_SAME_SIGN (y, x); -- MPFR_RET (0); - } -+ MPFR_SET_SAME_SIGN (y, x); -+ MPFR_RET (0); - } - - /* Returns NAN for x < 0 and k even */ -- else if (MPFR_IS_NEG (x) && (k % 2 == 0)) -+ if (MPFR_UNLIKELY (MPFR_IS_NEG (x) && (k % 2 == 0))) - { - MPFR_SET_NAN (y); - MPFR_RET_NAN; - } - - /* General case */ -+ -+ /* For large k, use exp(log(x)/k). The threshold of 100 seems to be quite -+ good when the precision goes to infinity. */ -+ if (k > 100) -+ return mpfr_root_aux (y, x, k, rnd_mode); -+ - MPFR_SAVE_EXPO_MARK (expo); - mpz_init (m); - -@@ -135,31 +122,24 @@ - mpz_neg (m, m); - r = e % (mpfr_exp_t) k; - if (r < 0) -- r += k; /* now r = e (mod k) with 0 <= e < r */ -+ r += k; /* now r = e (mod k) with 0 <= r < k */ -+ MPFR_ASSERTD (0 <= r && r < k); - /* x = (m*2^r) * 2^(e-r) where e-r is a multiple of k */ - - MPFR_MPZ_SIZEINBASE2 (size_m, m); - /* for rounding to nearest, we want the round bit to be in the root */ - n = MPFR_PREC (y) + (rnd_mode == MPFR_RNDN); - -- /* we now multiply m by 2^(r+k*sh) so that root(m,k) will give -- exactly n bits: we want k*(n-1)+1 <= size_m + k*sh + r <= k*n -- i.e. sh = floor ((kn-size_m-r)/k) */ -- if ((mpfr_exp_t) size_m + r > k * (mpfr_exp_t) n) -- sh = 0; /* we already have too many bits */ -+ /* we now multiply m by 2^sh so that root(m,k) will give -+ exactly n bits: we want k*(n-1)+1 <= size_m + sh <= k*n -+ i.e. sh = k*f + r with f = max(floor((k*n-size_m-r)/k),0) */ -+ if ((mpfr_exp_t) size_m + r >= k * (mpfr_exp_t) n) -+ f = 0; /* we already have too many bits */ - else -- sh = (k * (mpfr_exp_t) n - (mpfr_exp_t) size_m - r) / k; -- sh = k * sh + r; -- if (sh >= 0) -- { -- mpz_mul_2exp (m, m, sh); -- e = e - sh; -- } -- else if (r > 0) -- { -- mpz_mul_2exp (m, m, r); -- e = e - r; -- } -+ f = (k * (mpfr_exp_t) n - (mpfr_exp_t) size_m - r) / k; -+ sh = k * f + r; -+ mpz_mul_2exp (m, m, sh); -+ e = e - sh; - - /* invariant: x = m*2^e, with e divisible by k */ - -@@ -203,3 +183,97 @@ - MPFR_SAVE_EXPO_FREE (expo); - return mpfr_check_range (y, inexact, rnd_mode); - } -+ -+/* Compute y <- x^(1/k) using exp(log(x)/k). -+ Assume all special cases have been eliminated before. -+ In the extended exponent range, overflows/underflows are not possible. -+ Assume x > 0, or x < 0 and k odd. -+*/ -+static int -+mpfr_root_aux (mpfr_ptr y, mpfr_srcptr x, unsigned long k, mpfr_rnd_t rnd_mode) -+{ -+ int inexact, exact_root = 0; -+ mpfr_prec_t w; /* working precision */ -+ mpfr_t absx, t; -+ MPFR_GROUP_DECL(group); -+ MPFR_TMP_DECL(marker); -+ MPFR_ZIV_DECL(loop); -+ MPFR_SAVE_EXPO_DECL (expo); -+ -+ MPFR_TMP_INIT_ABS (absx, x); -+ -+ MPFR_TMP_MARK(marker); -+ w = MPFR_PREC(y) + 10; -+ /* Take some guard bits to prepare for the 'expt' lost bits below. -+ If |x| < 2^k, then log|x| < k, thus taking log2(k) bits should be fine. */ -+ if (MPFR_GET_EXP(x) > 0) -+ w += MPFR_INT_CEIL_LOG2 (MPFR_GET_EXP(x)); -+ MPFR_GROUP_INIT_1(group, w, t); -+ MPFR_SAVE_EXPO_MARK (expo); -+ MPFR_ZIV_INIT (loop, w); -+ for (;;) -+ { -+ mpfr_exp_t expt; -+ unsigned int err; -+ -+ mpfr_log (t, absx, MPFR_RNDN); -+ /* t = log|x| * (1 + theta) with |theta| <= 2^(-w) */ -+ mpfr_div_ui (t, t, k, MPFR_RNDN); -+ expt = MPFR_GET_EXP (t); -+ /* t = log|x|/k * (1 + theta) + eps with |theta| <= 2^(-w) -+ and |eps| <= 1/2 ulp(t), thus the total error is bounded -+ by 1.5 * 2^(expt - w) */ -+ mpfr_exp (t, t, MPFR_RNDN); -+ /* t = |x|^(1/k) * exp(tau) * (1 + theta1) with -+ |tau| <= 1.5 * 2^(expt - w) and |theta1| <= 2^(-w). -+ For |tau| <= 0.5 we have |exp(tau)-1| < 4/3*tau, thus -+ for w >= expt + 2 we have: -+ t = |x|^(1/k) * (1 + 2^(expt+2)*theta2) * (1 + theta1) with -+ |theta1|, |theta2| <= 2^(-w). -+ If expt+2 > 0, as long as w >= 1, we have: -+ t = |x|^(1/k) * (1 + 2^(expt+3)*theta3) with |theta3| < 2^(-w). -+ For expt+2 = 0, we have: -+ t = |x|^(1/k) * (1 + 2^2*theta3) with |theta3| < 2^(-w). -+ Finally for expt+2 < 0 we have: -+ t = |x|^(1/k) * (1 + 2*theta3) with |theta3| < 2^(-w). -+ */ -+ err = (expt + 2 > 0) ? expt + 3 -+ : (expt + 2 == 0) ? 2 : 1; -+ /* now t = |x|^(1/k) * (1 + 2^(err-w)) thus the error is at most -+ 2^(EXP(t) - w + err) */ -+ if (MPFR_LIKELY (MPFR_CAN_ROUND(t, w - err, MPFR_PREC(y), rnd_mode))) -+ break; -+ -+ /* If we fail to round correctly, check for an exact result or a -+ midpoint result with MPFR_RNDN (regarded as hard-to-round in -+ all precisions in order to determine the ternary value). */ -+ { -+ mpfr_t z, zk; -+ -+ mpfr_init2 (z, MPFR_PREC(y) + (rnd_mode == MPFR_RNDN)); -+ mpfr_init2 (zk, MPFR_PREC(x)); -+ mpfr_set (z, t, MPFR_RNDN); -+ inexact = mpfr_pow_ui (zk, z, k, MPFR_RNDN); -+ exact_root = !inexact && mpfr_equal_p (zk, absx); -+ if (exact_root) /* z is the exact root, thus round z directly */ -+ inexact = mpfr_set4 (y, z, rnd_mode, MPFR_SIGN (x)); -+ mpfr_clear (zk); -+ mpfr_clear (z); -+ if (exact_root) -+ break; -+ } -+ -+ MPFR_ZIV_NEXT (loop, w); -+ MPFR_GROUP_REPREC_1(group, w, t); -+ } -+ MPFR_ZIV_FREE (loop); -+ -+ if (!exact_root) -+ inexact = mpfr_set4 (y, t, rnd_mode, MPFR_SIGN (x)); -+ -+ MPFR_GROUP_CLEAR(group); -+ MPFR_TMP_FREE(marker); -+ MPFR_SAVE_EXPO_FREE (expo); -+ -+ return mpfr_check_range (y, inexact, rnd_mode); -+} -diff -Naurd mpfr-3.1.3-a/src/version.c mpfr-3.1.3-b/src/version.c ---- mpfr-3.1.3-a/src/version.c 2016-02-15 15:20:16.922677881 +0000 -+++ mpfr-3.1.3-b/src/version.c 2016-02-15 15:20:51.306696441 +0000 -@@ -25,5 +25,5 @@ - const char * - mpfr_get_version (void) - { -- return "3.1.3-p11"; -+ return "3.1.3-p12"; - } -diff -Naurd mpfr-3.1.3-a/tests/troot.c mpfr-3.1.3-b/tests/troot.c ---- mpfr-3.1.3-a/tests/troot.c 2015-06-19 19:55:10.000000000 +0000 -+++ mpfr-3.1.3-b/tests/troot.c 2016-02-15 15:20:51.282696429 +0000 -@@ -25,6 +25,19 @@ - - #include "mpfr-test.h" - -+#define DEFN(N) \ -+ static int root##N (mpfr_ptr y, mpfr_srcptr x, mpfr_rnd_t rnd) \ -+ { return mpfr_root (y, x, N, rnd); } \ -+ static int pow##N (mpfr_ptr y, mpfr_srcptr x, mpfr_rnd_t rnd) \ -+ { return mpfr_pow_ui (y, x, N, rnd); } -+ -+DEFN(2) -+DEFN(3) -+DEFN(4) -+DEFN(5) -+DEFN(17) -+DEFN(120) -+ - static void - special (void) - { -@@ -52,7 +65,7 @@ - exit (1); - } - -- /* root(-Inf, 17) = -Inf */ -+ /* root(-Inf, 17) = -Inf */ - mpfr_set_inf (x, -1); - mpfr_root (y, x, 17, MPFR_RNDN); - if (!mpfr_inf_p (y) || mpfr_sgn (y) > 0) -@@ -69,7 +82,7 @@ - exit (1); - } - -- /* root(+/-0) = +/-0 */ -+ /* root(+/-0, k) = +/-0 for k > 0 */ - mpfr_set_ui (x, 0, MPFR_RNDN); - mpfr_root (y, x, 17, MPFR_RNDN); - if (mpfr_cmp_ui (y, 0) || mpfr_sgn (y) < 0) -@@ -190,64 +203,39 @@ - i = mpfr_root (y, x, 1, MPFR_RNDN); - if (mpfr_cmp_ui (x, 17) || i != 0) - { -- printf ("Error in root (17^(1/1))\n"); -+ printf ("Error in root for 17^(1/1)\n"); - exit (1); - } - --#if 0 -- /* Check for k == 0: -- For 0 <= x < 1 => +0. -- For x = 1 => 1. -- For x > 1, => +Inf. -- For x < 0 => NaN. */ -- i = mpfr_root (y, x, 0, MPFR_RNDN); -- if (!MPFR_IS_INF (y) || !MPFR_IS_POS (y) || i != 0) -- { -- printf ("Error in root 17^(1/0)\n"); -- exit (1); -- } -- mpfr_set_ui (x, 1, MPFR_RNDN); -- i = mpfr_root (y, x, 0, MPFR_RNDN); -- if (mpfr_cmp_ui (y, 1) || i != 0) -- { -- printf ("Error in root 1^(1/0)\n"); -- exit (1); -- } - mpfr_set_ui (x, 0, MPFR_RNDN); - i = mpfr_root (y, x, 0, MPFR_RNDN); -- if (!MPFR_IS_ZERO (y) || !MPFR_IS_POS (y) || i != 0) -- { -- printf ("Error in root 0+^(1/0)\n"); -- exit (1); -- } -- MPFR_CHANGE_SIGN (x); -- i = mpfr_root (y, x, 0, MPFR_RNDN); -- if (!MPFR_IS_ZERO (y) || !MPFR_IS_POS (y) || i != 0) -+ if (!MPFR_IS_NAN (y) || i != 0) - { -- printf ("Error in root 0-^(1/0)\n"); -+ printf ("Error in root for (+0)^(1/0)\n"); - exit (1); - } -- mpfr_set_ui_2exp (x, 17, -5, MPFR_RNDD); -+ mpfr_neg (x, x, MPFR_RNDN); - i = mpfr_root (y, x, 0, MPFR_RNDN); -- if (!MPFR_IS_ZERO (y) || !MPFR_IS_POS (y) || i != 0) -+ if (!MPFR_IS_NAN (y) || i != 0) - { -- printf ("Error in root (17/2^5)^(1/0)\n"); -+ printf ("Error in root for (-0)^(1/0)\n"); - exit (1); - } --#endif -- mpfr_set_ui (x, 0, MPFR_RNDN); -+ -+ mpfr_set_ui (x, 1, MPFR_RNDN); - i = mpfr_root (y, x, 0, MPFR_RNDN); - if (!MPFR_IS_NAN (y) || i != 0) - { -- printf ("Error in root 0+^(1/0)\n"); -+ printf ("Error in root for 1^(1/0)\n"); - exit (1); - } -+ - /* Check for k==2 */ - mpfr_set_si (x, -17, MPFR_RNDD); - i = mpfr_root (y, x, 2, MPFR_RNDN); - if (!MPFR_IS_NAN (y) || i != 0) - { -- printf ("Error in root (-17)^(1/2)\n"); -+ printf ("Error in root for (-17)^(1/2)\n"); - exit (1); - } - -@@ -255,11 +243,168 @@ - mpfr_clear (y); - } - -+/* https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=812779 -+ * https://bugzilla.gnome.org/show_bug.cgi?id=756960 -+ * is a GNOME Calculator bug (mpfr_root applied on a negative integer, -+ * which is converted to an unsigned integer), but the strange result -+ * is also due to a bug in MPFR. -+ */ -+static void -+bigint (void) -+{ -+ mpfr_t x, y; -+ -+ mpfr_inits2 (64, x, y, (mpfr_ptr) 0); -+ -+ mpfr_set_ui (x, 10, MPFR_RNDN); -+ if (sizeof (unsigned long) * CHAR_BIT == 64) -+ { -+ mpfr_root (x, x, ULONG_MAX, MPFR_RNDN); -+ mpfr_set_ui_2exp (y, 1, -63, MPFR_RNDN); -+ mpfr_add_ui (y, y, 1, MPFR_RNDN); -+ if (! mpfr_equal_p (x, y)) -+ { -+ printf ("Error in bigint for ULONG_MAX\n"); -+ printf ("Expected "); -+ mpfr_dump (y); -+ printf ("Got "); -+ mpfr_dump (x); -+ exit (1); -+ } -+ } -+ -+ mpfr_set_ui (x, 10, MPFR_RNDN); -+ mpfr_root (x, x, 1234567890, MPFR_RNDN); -+ mpfr_set_str_binary (y, -+ "1.00000000000000000000000000001000000000101011000101000110010001"); -+ if (! mpfr_equal_p (x, y)) -+ { -+ printf ("Error in bigint for 1234567890\n"); -+ printf ("Expected "); -+ mpfr_dump (y); -+ printf ("Got "); -+ mpfr_dump (x); -+ exit (1); -+ } -+ -+ mpfr_clears (x, y, (mpfr_ptr) 0); -+} -+ - #define TEST_FUNCTION mpfr_root - #define INTEGER_TYPE unsigned long --#define INT_RAND_FUNCTION() (INTEGER_TYPE) (randlimb () % 3 +2) -+#define INT_RAND_FUNCTION() \ -+ (INTEGER_TYPE) (randlimb () & 1 ? randlimb () : randlimb () % 3 + 2) - #include "tgeneric_ui.c" - -+static void -+exact_powers (unsigned long bmax, unsigned long kmax) -+{ -+ long b, k; -+ mpz_t z; -+ mpfr_t x, y; -+ int inex, neg; -+ -+ mpz_init (z); -+ for (b = 2; b <= bmax; b++) -+ for (k = 1; k <= kmax; k++) -+ { -+ mpz_ui_pow_ui (z, b, k); -+ mpfr_init2 (x, mpz_sizeinbase (z, 2)); -+ mpfr_set_ui (x, b, MPFR_RNDN); -+ mpfr_pow_ui (x, x, k, MPFR_RNDN); -+ mpz_set_ui (z, b); -+ mpfr_init2 (y, mpz_sizeinbase (z, 2)); -+ for (neg = 0; neg <= 1; neg++) -+ { -+ inex = mpfr_root (y, x, k, MPFR_RNDN); -+ if (inex != 0) -+ { -+ printf ("Error in exact_powers, b=%ld, k=%ld\n", b, k); -+ printf ("Expected inex=0, got %d\n", inex); -+ exit (1); -+ } -+ if (neg && (k & 1) == 0) -+ { -+ if (!MPFR_IS_NAN (y)) -+ { -+ printf ("Error in exact_powers, b=%ld, k=%ld\n", b, k); -+ printf ("Expected y=NaN\n"); -+ printf ("Got "); -+ mpfr_out_str (stdout, 10, 0, y, MPFR_RNDN); -+ printf ("\n"); -+ exit (1); -+ } -+ } -+ else if (MPFR_IS_NAN (y) || mpfr_cmp_si (y, b) != 0) -+ { -+ printf ("Error in exact_powers, b=%ld, k=%ld\n", b, k); -+ printf ("Expected y=%ld\n", b); -+ printf ("Got "); -+ mpfr_out_str (stdout, 10, 0, y, MPFR_RNDN); -+ printf ("\n"); -+ exit (1); -+ } -+ mpfr_neg (x, x, MPFR_RNDN); -+ b = -b; -+ } -+ mpfr_clear (x); -+ mpfr_clear (y); -+ } -+ mpz_clear (z); -+} -+ -+/* Compare root(x,2^h) with pow(x,2^(-h)). */ -+static void -+cmp_pow (void) -+{ -+ mpfr_t x, y1, y2; -+ int h; -+ -+ mpfr_inits2 (128, x, y1, y2, (mpfr_ptr) 0); -+ -+ for (h = 1; h < sizeof (unsigned long) * CHAR_BIT; h++) -+ { -+ unsigned long k = (unsigned long) 1 << h; -+ int i; -+ -+ for (i = 0; i < 10; i++) -+ { -+ mpfr_rnd_t rnd; -+ unsigned int flags1, flags2; -+ int inex1, inex2; -+ -+ tests_default_random (x, 0, __gmpfr_emin, __gmpfr_emax, 1); -+ rnd = RND_RAND (); -+ mpfr_set_ui_2exp (y1, 1, -h, MPFR_RNDN); -+ mpfr_clear_flags (); -+ inex1 = mpfr_pow (y1, x, y1, rnd); -+ flags1 = __gmpfr_flags; -+ mpfr_clear_flags (); -+ inex2 = mpfr_root (y2, x, k, rnd); -+ flags2 = __gmpfr_flags; -+ if (!(mpfr_equal_p (y1, y2) && SAME_SIGN (inex1, inex2) && -+ flags1 == flags2)) -+ { -+ printf ("Error in cmp_pow on h=%d, i=%d, rnd=%s\n", -+ h, i, mpfr_print_rnd_mode ((mpfr_rnd_t) rnd)); -+ printf ("x = "); -+ mpfr_dump (x); -+ printf ("pow = "); -+ mpfr_dump (y1); -+ printf ("with inex = %d, flags =", inex1); -+ flags_out (flags1); -+ printf ("root = "); -+ mpfr_dump (y2); -+ printf ("with inex = %d, flags =", inex2); -+ flags_out (flags2); -+ exit (1); -+ } -+ } -+ } -+ -+ mpfr_clears (x, y1, y2, (mpfr_ptr) 0); -+} -+ - int - main (void) - { -@@ -270,7 +415,10 @@ - - tests_start_mpfr (); - -+ exact_powers (3, 1000); - special (); -+ bigint (); -+ cmp_pow (); - - mpfr_init (x); - -@@ -329,6 +477,13 @@ - - test_generic_ui (2, 200, 30); - -+ bad_cases (root2, pow2, "mpfr_root[2]", 8, -256, 255, 4, 128, 800, 40); -+ bad_cases (root3, pow3, "mpfr_root[3]", 8, -256, 255, 4, 128, 800, 40); -+ bad_cases (root4, pow4, "mpfr_root[4]", 8, -256, 255, 4, 128, 800, 40); -+ bad_cases (root5, pow5, "mpfr_root[5]", 8, -256, 255, 4, 128, 800, 40); -+ bad_cases (root17, pow17, "mpfr_root[17]", 8, -256, 255, 4, 128, 800, 40); -+ bad_cases (root120, pow120, "mpfr_root[120]", 8, -256, 255, 4, 128, 800, 40); -+ - tests_end_mpfr (); - return 0; - } |