diff options
Diffstat (limited to 'source/l/mpfr/patches/patch02')
-rw-r--r-- | source/l/mpfr/patches/patch02 | 269 |
1 files changed, 0 insertions, 269 deletions
diff --git a/source/l/mpfr/patches/patch02 b/source/l/mpfr/patches/patch02 deleted file mode 100644 index e8054759a..000000000 --- a/source/l/mpfr/patches/patch02 +++ /dev/null @@ -1,269 +0,0 @@ -diff -Naurd mpfr-4.2.0-a/PATCHES mpfr-4.2.0-b/PATCHES ---- mpfr-4.2.0-a/PATCHES 2023-04-17 21:18:00.464616127 +0000 -+++ mpfr-4.2.0-b/PATCHES 2023-04-17 21:18:00.512616059 +0000 -@@ -0,0 +1 @@ -+ui_pow_ui-overflow -diff -Naurd mpfr-4.2.0-a/VERSION mpfr-4.2.0-b/VERSION ---- mpfr-4.2.0-a/VERSION 2023-04-17 21:17:39.792645218 +0000 -+++ mpfr-4.2.0-b/VERSION 2023-04-17 21:18:00.512616059 +0000 -@@ -1 +1 @@ --4.2.0-p1 -+4.2.0-p2 -diff -Naurd mpfr-4.2.0-a/src/mpfr.h mpfr-4.2.0-b/src/mpfr.h ---- mpfr-4.2.0-a/src/mpfr.h 2023-04-17 21:17:39.788645224 +0000 -+++ mpfr-4.2.0-b/src/mpfr.h 2023-04-17 21:18:00.508616065 +0000 -@@ -27,7 +27,7 @@ - #define MPFR_VERSION_MAJOR 4 - #define MPFR_VERSION_MINOR 2 - #define MPFR_VERSION_PATCHLEVEL 0 --#define MPFR_VERSION_STRING "4.2.0-p1" -+#define MPFR_VERSION_STRING "4.2.0-p2" - - /* User macros: - MPFR_USE_FILE: Define it to make MPFR define functions dealing -diff -Naurd mpfr-4.2.0-a/src/ui_pow_ui.c mpfr-4.2.0-b/src/ui_pow_ui.c ---- mpfr-4.2.0-a/src/ui_pow_ui.c 2023-01-05 17:09:48.000000000 +0000 -+++ mpfr-4.2.0-b/src/ui_pow_ui.c 2023-04-17 21:18:00.504616070 +0000 -@@ -23,7 +23,7 @@ - #include "mpfr-impl.h" - - int --mpfr_ui_pow_ui (mpfr_ptr x, unsigned long int y, unsigned long int n, -+mpfr_ui_pow_ui (mpfr_ptr x, unsigned long int k, unsigned long int n, - mpfr_rnd_t rnd) - { - mpfr_exp_t err; -@@ -35,22 +35,28 @@ - MPFR_ZIV_DECL (loop); - MPFR_SAVE_EXPO_DECL (expo); - -+ MPFR_LOG_FUNC -+ (("k=%lu n=%lu rnd=%d", k, n, rnd), -+ ("y[%Pu]=%.*Rg inexact=%d", -+ mpfr_get_prec (x), mpfr_log_prec, x, inexact)); -+ - if (MPFR_UNLIKELY (n <= 1)) - { - if (n == 1) -- return mpfr_set_ui (x, y, rnd); /* y^1 = y */ -+ return mpfr_set_ui (x, k, rnd); /* k^1 = k */ - else -- return mpfr_set_ui (x, 1, rnd); /* y^0 = 1 for any y */ -+ return mpfr_set_ui (x, 1, rnd); /* k^0 = 1 for any k */ - } -- else if (MPFR_UNLIKELY (y <= 1)) -+ else if (MPFR_UNLIKELY (k <= 1)) - { -- if (y == 1) -+ if (k == 1) - return mpfr_set_ui (x, 1, rnd); /* 1^n = 1 for any n > 0 */ - else - return mpfr_set_ui (x, 0, rnd); /* 0^n = 0 for any n > 0 */ - } - -- for (size_n = 0, m = n; m; size_n++, m >>= 1); -+ for (size_n = 0, m = n; m != 0; size_n++, m >>= 1) -+ ; - - MPFR_SAVE_EXPO_MARK (expo); - prec = MPFR_PREC (x) + 3 + size_n; -@@ -60,23 +66,55 @@ - for (;;) - { - int i = size_n; -+ unsigned int inex_res; - -- inexact = mpfr_set_ui (res, y, MPFR_RNDU); -+ inex_res = mpfr_set_ui (res, k, MPFR_RNDU); - err = 1; - /* now 2^(i-1) <= n < 2^i: i=1+floor(log2(n)) */ - for (i -= 2; i >= 0; i--) - { -- inexact |= mpfr_sqr (res, res, MPFR_RNDU); -+ inex_res |= mpfr_sqr (res, res, MPFR_RNDU); - err++; - if (n & (1UL << i)) -- inexact |= mpfr_mul_ui (res, res, y, MPFR_RNDU); -+ inex_res |= mpfr_mul_ui (res, res, k, MPFR_RNDU); - } -+ -+ if (MPFR_UNLIKELY (MPFR_IS_INF (res))) -+ { -+ mpfr_t kf; -+ mpz_t z; -+ int size_k; -+ MPFR_BLOCK_DECL (flags); -+ -+ /* Let's handle the overflow by calling mpfr_pow_z. -+ Alternatively, we could call mpfr_pow_ui; this would -+ need a bit shorter code below, but mpfr_pow_ui handles -+ the overflow by calling mpfr_pow_z, so that calling -+ mpfr_pow_z directly should be a bit more efficient. */ -+ -+ MPFR_ZIV_FREE (loop); -+ mpfr_clear (res); -+ for (size_k = 0, m = k; m != 0; size_k++, m >>= 1) -+ ; -+ mpfr_init2 (kf, size_k); -+ inexact = mpfr_set_ui (kf, k, MPFR_RNDN); -+ MPFR_ASSERTD (inexact == 0); -+ mpz_init (z); -+ mpz_set_ui (z, n); -+ MPFR_BLOCK (flags, inexact = mpfr_pow_z (x, kf, z, rnd);); -+ mpz_clear (z); -+ mpfr_clear (kf); -+ MPFR_SAVE_EXPO_UPDATE_FLAGS (expo, flags); -+ goto end; -+ } -+ - /* since the loop is executed floor(log2(n)) times, - we have err = 1+floor(log2(n)). - Since prec >= MPFR_PREC(x) + 4 + floor(log2(n)), prec > err */ - err = prec - err; - -- if (MPFR_LIKELY (inexact == 0 -+ MPFR_LOG_VAR (res); -+ if (MPFR_LIKELY (!inex_res - || MPFR_CAN_ROUND (res, err, MPFR_PREC (x), rnd))) - break; - -@@ -90,6 +128,7 @@ - - mpfr_clear (res); - -+ end: - MPFR_SAVE_EXPO_FREE (expo); - return mpfr_check_range (x, inexact, rnd); - } -diff -Naurd mpfr-4.2.0-a/src/version.c mpfr-4.2.0-b/src/version.c ---- mpfr-4.2.0-a/src/version.c 2023-04-17 21:17:39.792645218 +0000 -+++ mpfr-4.2.0-b/src/version.c 2023-04-17 21:18:00.512616059 +0000 -@@ -25,5 +25,5 @@ - const char * - mpfr_get_version (void) - { -- return "4.2.0-p1"; -+ return "4.2.0-p2"; - } -diff -Naurd mpfr-4.2.0-a/tests/tlog10.c mpfr-4.2.0-b/tests/tlog10.c ---- mpfr-4.2.0-a/tests/tlog10.c 2023-01-05 17:09:48.000000000 +0000 -+++ mpfr-4.2.0-b/tests/tlog10.c 2023-04-17 21:18:00.504616070 +0000 -@@ -49,6 +49,60 @@ - #define TEST_RANDOM_POS 8 - #include "tgeneric.c" - -+/* On 2023-02-13, one gets an infinite loop in mpfr_log10 on both -+ 32-bit and 64-bit hosts when the precision is not large enough -+ (precision 12 and below). */ -+static void -+bug20230213 (void) -+{ -+ mpfr_exp_t old_emin, old_emax, e; -+ mpfr_t t, x, y0, y1, y2; -+ int prec; -+ -+ old_emin = mpfr_get_emin (); -+ old_emax = mpfr_get_emax (); -+ -+ set_emin (MPFR_EMIN_MIN); -+ set_emax (MPFR_EMAX_MAX); -+ e = mpfr_get_emax () - 1; -+ -+ /* The precisions of t and y0 should be large enough to avoid -+ a hard-to-round case for the target precisions. */ -+ mpfr_inits2 (64, t, y0, (mpfr_ptr) 0); -+ mpfr_set_exp_t (y0, e, MPFR_RNDN); -+ mpfr_log_ui (t, 10, MPFR_RNDN); -+ mpfr_div (y0, y0, t, MPFR_RNDN); -+ mpfr_log_ui (t, 2, MPFR_RNDN); -+ mpfr_mul (y0, y0, t, MPFR_RNDN); -+ -+ for (prec = 16; prec >= MPFR_PREC_MIN; prec--) -+ { -+ mpfr_inits2 (prec, x, y1, y2, (mpfr_ptr) 0); -+ mpfr_set (y1, y0, MPFR_RNDN); -+ -+ mpfr_set_ui_2exp (x, 1, e, MPFR_RNDN); -+ mpfr_log10 (y2, x, MPFR_RNDN); -+ MPFR_ASSERTN (MPFR_IS_PURE_FP (y2)); -+ MPFR_ASSERTN (MPFR_IS_POS (y2)); -+ -+ if (! mpfr_equal_p (y1, y2)) -+ { -+ printf ("Error in bug20230213.\n"); -+ printf ("Expected "); -+ mpfr_dump (y1); -+ printf ("Got "); -+ mpfr_dump (y2); -+ exit (1); -+ } -+ mpfr_clears (x, y1, y2, (mpfr_ptr) 0); -+ } -+ -+ mpfr_clears (t, y0, (mpfr_ptr) 0); -+ -+ set_emin (old_emin); -+ set_emax (old_emax); -+} -+ - int - main (int argc, char *argv[]) - { -@@ -112,6 +166,8 @@ - mpfr_clear (x); - mpfr_clear (y); - -+ bug20230213 (); -+ - data_check ("data/log10", mpfr_log10, "mpfr_log10"); - - tests_end_mpfr (); -diff -Naurd mpfr-4.2.0-a/tests/tui_pow.c mpfr-4.2.0-b/tests/tui_pow.c ---- mpfr-4.2.0-a/tests/tui_pow.c 2023-01-05 17:09:48.000000000 +0000 -+++ mpfr-4.2.0-b/tests/tui_pow.c 2023-04-17 21:18:00.504616070 +0000 -@@ -142,6 +142,37 @@ - mpfr_clear (t); - } - -+static void -+huge (void) -+{ -+ mpfr_exp_t old_emin, old_emax; -+ mpfr_t x; -+ -+ old_emin = mpfr_get_emin (); -+ old_emax = mpfr_get_emax (); -+ -+ set_emin (MPFR_EMIN_MIN); -+ set_emax (MPFR_EMAX_MAX); -+ -+ mpfr_init2 (x, 8); -+ -+ /* The purpose of this test is more to check that mpfr_ui_pow_ui -+ terminates (without taking much memory) rather than checking -+ the value of x. On 2023-02-13, the +Inf case was not handled -+ in the Ziv iteration, yielding an infinite loop, affecting -+ mpfr_log10 in particular. See -+ commit 90de094f0d9c309daca707aa227470d810866616 -+ */ -+ mpfr_ui_pow_ui (x, 5, ULONG_MAX, MPFR_RNDN); -+ if (MPFR_EMAX_MAX <= ULONG_MAX) /* true with default _MPFR_EXP_FORMAT */ -+ MPFR_ASSERTN (MPFR_IS_INF (x)); -+ -+ mpfr_clear (x); -+ -+ set_emin (old_emin); -+ set_emax (old_emax); -+} -+ - int - main (int argc, char *argv[]) - { -@@ -180,6 +211,7 @@ - } - - test1 (); -+ huge (); - - { - mpfr_t z, t; |