| /* Test file for mpfr_get_str. |
| |
| Copyright 1999, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, Inc. |
| Contributed by the Arenaire and Cacao projects, INRIA. |
| |
| This file is part of the GNU MPFR Library. |
| |
| The GNU MPFR Library is free software; you can redistribute it and/or modify |
| it under the terms of the GNU Lesser General Public License as published by |
| the Free Software Foundation; either version 2.1 of the License, or (at your |
| option) any later version. |
| |
| The GNU MPFR Library is distributed in the hope that it will be useful, but |
| WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
| or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
| License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public License |
| along with the GNU MPFR Library; see the file COPYING.LIB. If not, write to |
| the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, |
| MA 02110-1301, USA. */ |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| #include "mpfr-test.h" |
| |
| static void |
| check3 (char *d, mp_rnd_t rnd, char *res) |
| { |
| mpfr_t x; |
| char *str; |
| mp_exp_t e; |
| |
| mpfr_init2 (x, 53); |
| mpfr_set_str (x, d, 10, rnd); |
| str = mpfr_get_str (NULL, &e, 10, 5, x, rnd); |
| if (strcmp (str, res)) |
| { |
| printf ("Error in mpfr_get_str for x=%s\n", d); |
| printf ("got %s instead of %s\n", str, res); |
| exit (1); |
| } |
| mpfr_clear (x); |
| mpfr_free_str (str); |
| } |
| |
| static void |
| check_small (void) |
| { |
| mpfr_t x; |
| char *s; |
| mp_exp_t e; |
| mp_prec_t p; |
| |
| mpfr_init (x); |
| |
| mpfr_set_prec (x, 20); |
| mpfr_set_ui (x, 2, GMP_RNDN); |
| mpfr_nexttozero (x); |
| s = mpfr_get_str (NULL, &e, 4, 2, x, GMP_RNDU); |
| if (strcmp (s, "20") || (e != 1)) |
| { |
| printf ("Error in mpfr_get_str: 2- rounded up with 2 digits" |
| " in base 4\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* check n_digits=0 */ |
| mpfr_set_prec (x, 5); |
| mpfr_set_ui (x, 17, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 3, 0, x, GMP_RNDN); |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 36, 0, x, GMP_RNDN); |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 64); |
| mpfr_set_si (x, -1, GMP_RNDN); |
| mpfr_div_2exp (x, x, 63, GMP_RNDN); /* x = -2^(-63) */ |
| mpfr_add_ui (x, x, 1, GMP_RNDN); /* x = 1 - 2^(-63) */ |
| mpfr_mul_2exp (x, x, 32, GMP_RNDN); /* x = 2^32 - 2^(-31) */ |
| s = mpfr_get_str (NULL, &e, 3, 21, x, GMP_RNDU); |
| if (strcmp (s, "102002022201221111211") || (e != 21)) |
| { |
| printf ("Error in mpfr_get_str: 2^32-2^(-31) rounded up with" |
| " 21 digits in base 3\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 3, 20, x, GMP_RNDU); |
| if (strcmp (s, "10200202220122111122") || (e != 21)) |
| { |
| printf ("Error in mpfr_get_str: 2^32-2^(-31) rounded up with" |
| " 20 digits in base 3\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* check corner case ret!=0, j0!=0 in mpfr_get_str_aux */ |
| mpfr_set_prec (x, 100); |
| mpfr_set_str_binary (x, "0.1001011111010001101110010101010101111001010111111101101101100110100011110110000101110110001011110000E-9"); |
| s = mpfr_get_str (NULL, &e, 3, 2, x, GMP_RNDU); |
| if (strcmp (s, "22") || (e != -6)) |
| { |
| printf ("Error in mpfr_get_str: 100-bit number rounded up with" |
| " 2 digits in base 3\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* check corner case exact=0 in mpfr_get_str_aux */ |
| mpfr_set_prec (x, 100); |
| mpfr_set_str_binary (x, "0.1001001111101101111000101000110111111010101100000110010001111111011001101011101100001100110000000000E8"); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDZ); |
| if (strcmp (s, "14") || (e != 3)) |
| { |
| printf ("Error in mpfr_get_str: 100-bit number rounded to zero with" |
| " 2 digits in base 10\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| for (p=4; p<=200; p++) |
| { |
| mpfr_set_prec (x, p); |
| mpfr_set_str (x, "6.5", 10, GMP_RNDN); |
| |
| s = mpfr_get_str (NULL, &e, 6, 2, x, GMP_RNDN); |
| if (strcmp (s, "10") || (e != 2)) |
| { |
| printf ("Error in mpfr_get_str: 6.5 rounded to nearest with" |
| " 2 digits in base 6\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_nexttoinf (x); |
| s = mpfr_get_str (NULL, &e, 6, 2, x, GMP_RNDN); |
| if (strcmp (s, "11") || (e != 2)) |
| { |
| printf ("Error in mpfr_get_str: 6.5+ rounded to nearest with" |
| " 2 digits in base 6\ngot %se%d instead of 11e2\n", |
| s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str (x, "6.5", 10, GMP_RNDN); |
| mpfr_nexttozero (x); |
| s = mpfr_get_str (NULL, &e, 6, 2, x, GMP_RNDN); |
| if (strcmp (s, "10") || (e != 2)) |
| { |
| printf ("Error in mpfr_get_str: 6.5- rounded to nearest with" |
| " 2 digits in base 6\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| } |
| |
| mpfr_set_prec (x, 3); |
| mpfr_set_ui (x, 7, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 2, 2, x, GMP_RNDU); |
| if (strcmp (s, "10") || (e != 4)) |
| { |
| printf ("Error in mpfr_get_str: 7 rounded up with 2 bits should" |
| " give 0.10e3 instead of 0.%s*2^%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* problem found by Fabrice Rouillier */ |
| mpfr_set_prec (x, 63); |
| mpfr_set_str (x, "5e14", 10, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 10, 18, x, GMP_RNDU); |
| mpfr_free_str (s); |
| |
| /* bug found by Johan Vervloet */ |
| mpfr_set_prec (x, 6); |
| mpfr_set_str (x, "688.0", 10, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 2, 4, x, GMP_RNDU); |
| if (strcmp (s, "1011") || (e != 10)) |
| { |
| printf ("Error in mpfr_get_str: 688 printed up to 4 bits should" |
| " give 1.011e9\ninstead of "); |
| mpfr_out_str (stdout, 2, 4, x, GMP_RNDU); |
| puts (""); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 38); |
| mpfr_set_str_binary (x, "1.0001110111110100011010100010010100110e-6"); |
| s = mpfr_get_str (NULL, &e, 8, 10, x, GMP_RNDU); |
| if (strcmp (s, "1073721522") || (e != -1)) |
| { |
| printf ("Error in mpfr_get_str (3): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 53); |
| mpfr_set_str_binary (x, "0.11010111011101100010000100010101110001000000010111001E454"); |
| s = mpfr_get_str (NULL, &e, 19, 12, x, GMP_RNDU); |
| if (strcmp (s, "b1cgfa4gha0h") || (e != 107)) |
| { |
| printf ("Error in mpfr_get_str (4): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 145); |
| mpfr_set_str_binary (x, "-0.1000110011000001011000010101101010110110101100101110100011111100011110011001001001010000100001000011000011000000010111011001000111101001110100110e6"); |
| s = mpfr_get_str (NULL, &e, 4, 53, x, GMP_RNDU); |
| if (strcmp (s, "-20303001120111222312230232203330132121021100201003003") || (e != 3)) |
| { |
| printf ("Error in mpfr_get_str (5): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 45); |
| mpfr_set_str_binary (x, "-0.00100111010110010001011001110111010001010010010"); |
| s = mpfr_get_str (NULL, &e, 32, 9, x, GMP_RNDN); |
| if (strcmp (s, "-4tchctq54") || (e != 0)) |
| { |
| printf ("Error in mpfr_get_str (6): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* worst case found by Vincent Lefe`vre */ |
| mpfr_set_prec (x, 53); |
| mpfr_set_str_binary (x, "10011110111100000000001011011110101100010000011011111E164"); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDN); |
| if (strcmp (s, "13076622631878654") || (e != 66)) |
| { |
| printf ("Error in mpfr_get_str (7): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10000001001001001100011101010011011011111000011000100E93"); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDU); |
| if (strcmp (s, "46") || e != 44) |
| { |
| printf ("Error in mpfr_get_str (8): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10010001111100000111001111010101001010000010111010101E55"); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDN); |
| if (strcmp (s, "19") || e != 33) |
| { |
| printf ("Error in mpfr_get_str (9): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "11011001010010111110010101101100111110111000010110110E44"); |
| s = mpfr_get_str (NULL, &e, 10, 3, x, GMP_RNDN); |
| if (strcmp (s, "135") || e != 30) |
| { |
| printf ("Error in mpfr_get_str (10): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "11101111101000001011100001111000011111101111011001100E72"); |
| s = mpfr_get_str (NULL, &e, 10, 4, x, GMP_RNDN); |
| if (strcmp (s, "3981") || e != 38) |
| { |
| printf ("Error in mpfr_get_str (11): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10011001001100100010111100001101110101001001111110000E46"); |
| s = mpfr_get_str (NULL, &e, 10, 5, x, GMP_RNDN); |
| if (strcmp (s, "37930") || e != 30) |
| { |
| printf ("Error in mpfr_get_str (12): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10001100110111001011011110011011011101100011010001011E-72"); |
| s = mpfr_get_str (NULL, &e, 10, 6, x, GMP_RNDN); |
| if (strcmp (s, "104950") || e != -5) |
| { |
| printf ("Error in mpfr_get_str (13): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "10100100001011001000011001101101000110100110000010111E89"); |
| s = mpfr_get_str (NULL, &e, 10, 7, x, GMP_RNDN); |
| if (strcmp (s, "3575392") || e != 43) |
| { |
| printf ("Error in mpfr_get_str (14): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "11000011011110110010100110001010000001010011001011001E-73"); |
| s = mpfr_get_str (NULL, &e, 10, 8, x, GMP_RNDN); |
| if (strcmp (s, "72822386") || e != -6) |
| { |
| printf ("Error in mpfr_get_str (15): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "10101010001101000111001100001000100011100010010001010E78"); |
| s = mpfr_get_str (NULL, &e, 10, 9, x, GMP_RNDN); |
| if (strcmp (s, "180992873") || e != 40) |
| { |
| printf ("Error in mpfr_get_str (16): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "10110111001000100000001101111001100101101110011011101E91"); |
| s = mpfr_get_str (NULL, &e, 10, 10, x, GMP_RNDN); |
| if (strcmp (s, "1595312255") || e != 44) |
| { |
| printf ("Error in mpfr_get_str (17): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10011101010111101111000100111011101011110100110110101E93"); |
| s = mpfr_get_str (NULL, &e, 10, 11, x, GMP_RNDN); |
| if (strcmp (s, "54835744350") || e != 44) |
| { |
| printf ("Error in mpfr_get_str (18): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10011101010111101111000100111011101011110100110110101E92"); |
| s = mpfr_get_str (NULL, &e, 10, 12, x, GMP_RNDN); |
| if (strcmp (s, "274178721752") || e != 44) |
| { |
| printf ("Error in mpfr_get_str (19): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10011101010111101111000100111011101011110100110110101E91"); |
| s = mpfr_get_str (NULL, &e, 10, 13, x, GMP_RNDN); |
| if (strcmp (s, "1370893608762") || e != 44) |
| { |
| printf ("Error in mpfr_get_str (20): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "10010011010110011100010010100101100011101000011111111E92"); |
| s = mpfr_get_str (NULL, &e, 10, 14, x, GMP_RNDN); |
| if (strcmp (s, "25672105101864") || e != 44) |
| { |
| printf ("Error in mpfr_get_str (21): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "100110111110110001000101110100100101101000011111001E87"); |
| s = mpfr_get_str (NULL, &e, 10, 15, x, GMP_RNDN); |
| if (strcmp (s, "212231308858721") || e != 42) |
| { |
| printf ("Error in mpfr_get_str (22): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10111010110000111000101100101111001011011100101001111E-128"); |
| s = mpfr_get_str (NULL, &e, 10, 15, x, GMP_RNDN); |
| if (strcmp (s, "193109287087290") || e != -22) |
| { |
| printf ("Error in mpfr_get_str (22b): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "10001101101011010001111110000111010111010000110101010E80"); |
| s = mpfr_get_str (NULL, &e, 10, 16, x, GMP_RNDN); |
| if (strcmp (s, "6026241735727920") || e != 40) |
| { |
| printf ("Error in mpfr_get_str (23): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "100010001011101001110101000110011001001000110001001E-81"); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDN); |
| if (strcmp (s, "49741483709103481") || e != -9) |
| { |
| printf ("Error in mpfr_get_str (24): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "11000100001001001110111010011001111001001010110101111E-101"); |
| s = mpfr_get_str (NULL, &e, 10, 7, x, GMP_RNDN); |
| if (strcmp (s, "2722049") || e != -14) |
| { |
| printf ("Error in mpfr_get_str (25): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "11111001010011100101000001111111110001001001110110001E-135"); |
| s = mpfr_get_str (NULL, &e, 10, 8, x, GMP_RNDN); |
| if (strcmp (s, "20138772") || e != -24) |
| { |
| printf ("Error in mpfr_get_str (26): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "11111001010011100101000001111111110001001001110110001E-136"); |
| s = mpfr_get_str (NULL, &e, 10, 9, x, GMP_RNDN); |
| if (strcmp (s, "100693858") || e != -24) |
| { |
| printf ("Error in mpfr_get_str (27): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10001000001110010110001011111011111011011010000110001E-110"); |
| s = mpfr_get_str (NULL, &e, 10, 14, x, GMP_RNDN); |
| if (strcmp (s, "36923634350619") || e != -17) |
| { |
| printf ("Error in mpfr_get_str (28): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "11001100010111000111100010000110011101110001000101111E-87"); |
| s = mpfr_get_str (NULL, &e, 10, 16, x, GMP_RNDN); |
| if (strcmp (s, "4646636036100804") || e != -10) |
| { |
| printf ("Error in mpfr_get_str (29): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_set_str_binary (x, "10011111001111110100001001010111111011010101111111000E-99"); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDN); |
| if (strcmp (s, "88399901882446712") || e != -14) |
| { |
| printf ("Error in mpfr_get_str (30): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 8116315218207718*2^(-293) ~ 0.5100000000000000000015*10^(-72) */ |
| mpfr_set_str_binary (x, "11100110101011011111011100101011101110110001111100110E-293"); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDU); |
| if (strcmp (s, "52") || e != -72) |
| { |
| printf ("Error in mpfr_get_str (31u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDD); |
| if (strcmp (s, "51") || e != -72) |
| { |
| printf ("Error in mpfr_get_str (31d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 6712731423444934*2^536 ~ .151000000000000000000067*10^178 */ |
| mpfr_set_str_binary (x, "10111110110010011000110010011111101111000111111000110E536"); |
| s = mpfr_get_str (NULL, &e, 10, 3, x, GMP_RNDU); |
| if (strcmp (s, "152") || e != 178) |
| { |
| printf ("Error in mpfr_get_str (32u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 3, x, GMP_RNDD); |
| if (strcmp (s, "151") || e != 178) |
| { |
| printf ("Error in mpfr_get_str (32d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 3356365711722467*2^540 ~ .120800000000000000000054*10^179 */ |
| mpfr_set_str_binary (x, "1011111011001001100011001001111110111100011111100011E540"); |
| s = mpfr_get_str (NULL, &e, 10, 4, x, GMP_RNDU); |
| if (strcmp (s, "1209") || e != 179) |
| { |
| printf ("Error in mpfr_get_str (33u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 4, x, GMP_RNDD); |
| if (strcmp (s, "1208") || e != 179) |
| { |
| printf ("Error in mpfr_get_str (33d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 6475049196144587*2^100 ~ .8208099999999999999999988*10^46 */ |
| mpfr_set_str_binary (x, "10111000000010000010111011111001111010100011111001011E100"); |
| s = mpfr_get_str (NULL, &e, 10, 5, x, GMP_RNDU); |
| if (strcmp (s, "82081") || e != 46) |
| { |
| printf ("Error in mpfr_get_str (34u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 5, x, GMP_RNDD); |
| if (strcmp (s, "82080") || e != 46) |
| { |
| printf ("Error in mpfr_get_str (34d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 6722280709661868*2^364 ~ .25260100000000000000000012*10^126 */ |
| mpfr_set_str_binary (x, "10111111000011110000011110001110001111010010010101100E364"); |
| s = mpfr_get_str (NULL, &e, 10, 6, x, GMP_RNDU); |
| if (strcmp (s, "252602") || e != 126) |
| { |
| printf ("Error in mpfr_get_str (35u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 6, x, GMP_RNDD); |
| if (strcmp (s, "252601") || e != 126) |
| { |
| printf ("Error in mpfr_get_str (35d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 5381065484265332*2^(-455) ~ .578389299999999999999999982*10^(-121) */ |
| mpfr_set_str_binary (x, "10011000111100000110011110000101100111110011101110100E-455"); |
| s = mpfr_get_str (NULL, &e, 10, 7, x, GMP_RNDU); |
| if (strcmp (s, "5783893") || e != -121) |
| { |
| printf ("Error in mpfr_get_str (36u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 7, x, GMP_RNDD); |
| if (strcmp (s, "5783892") || e != -121) |
| { |
| printf ("Error in mpfr_get_str (36d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 8369123604277281*2^(-852) ~ .27869147000000000000000000056*10^(-240) */ |
| mpfr_set_str_binary (x, "11101101110111010110001101111100000111010100000100001E-852"); |
| s = mpfr_get_str (NULL, &e, 10, 8, x, GMP_RNDU); |
| if (strcmp (s, "27869148") || e != -240) |
| { |
| printf ("Error in mpfr_get_str (37u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 8, x, GMP_RNDD); |
| if (strcmp (s, "27869147") || e != -240) |
| { |
| printf ("Error in mpfr_get_str (37d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 7976538478610756*2^377 ~ .245540326999999999999999999982*10^130 */ |
| mpfr_set_str_binary (x, "11100010101101001111010010110100011100000100101000100E377"); |
| s = mpfr_get_str (NULL, &e, 10, 9, x, GMP_RNDU); |
| if (strcmp (s, "245540327") || e != 130) |
| { |
| printf ("Error in mpfr_get_str (38u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 9, x, GMP_RNDD); |
| if (strcmp (s, "245540326") || e != 130) |
| { |
| printf ("Error in mpfr_get_str (38d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 8942832835564782*2^(-382) ~ .9078555839000000000000000000038*10^(-99) */ |
| mpfr_set_str_binary (x, "11111110001010111010110000110011100110001010011101110E-382"); |
| s = mpfr_get_str (NULL, &e, 10, 10, x, GMP_RNDU); |
| if (strcmp (s, "9078555840") || e != -99) |
| { |
| printf ("Error in mpfr_get_str (39u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 10, x, GMP_RNDD); |
| if (strcmp (s, "9078555839") || e != -99) |
| { |
| printf ("Error in mpfr_get_str (39d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 4471416417782391*2^(-380) ~ .18157111678000000000000000000077*10^(-98) */ |
| mpfr_set_str_binary (x, "1111111000101011101011000011001110011000101001110111E-380"); |
| s = mpfr_get_str (NULL, &e, 10, 11, x, GMP_RNDU); |
| if (strcmp (s, "18157111679") || e != -98) |
| { |
| printf ("Error in mpfr_get_str (40u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 11, x, GMP_RNDD); |
| if (strcmp (s, "18157111678") || e != -98) |
| { |
| printf ("Error in mpfr_get_str (40d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 7225450889282194*2^711 ~ .778380362292999999999999999999971*10^230 */ |
| mpfr_set_str_binary (x, "11001101010111000001001100001100110010000001010010010E711"); |
| s = mpfr_get_str (NULL, &e, 10, 12, x, GMP_RNDU); |
| if (strcmp (s, "778380362293") || e != 230) |
| { |
| printf ("Error in mpfr_get_str (41u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 12, x, GMP_RNDD); |
| if (strcmp (s, "778380362292") || e != 230) |
| { |
| printf ("Error in mpfr_get_str (41d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 3612725444641097*2^713 ~ .1556760724585999999999999999999942*10^231 */ |
| mpfr_set_str_binary (x, "1100110101011100000100110000110011001000000101001001E713"); |
| s = mpfr_get_str (NULL, &e, 10, 13, x, GMP_RNDU); |
| if (strcmp (s, "1556760724586") || e != 231) |
| { |
| printf ("Error in mpfr_get_str (42u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 13, x, GMP_RNDD); |
| if (strcmp (s, "1556760724585") || e != 231) |
| { |
| printf ("Error in mpfr_get_str (42d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 6965949469487146*2^(-248) ~ .15400733123779000000000000000000016*10^(-58) */ |
| mpfr_set_str_binary (x, "11000101111110111111001111111101001101111000000101010E-248"); |
| s = mpfr_get_str (NULL, &e, 10, 14, x, GMP_RNDU); |
| if (strcmp (s, "15400733123780") || e != -58) |
| { |
| printf ("Error in mpfr_get_str (43u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 14, x, GMP_RNDD); |
| if (strcmp (s, "15400733123779") || e != -58) |
| { |
| printf ("Error in mpfr_get_str (43d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 3482974734743573*2^(-244) ~ .12320586499023200000000000000000013*10^(-57) */ |
| mpfr_set_str_binary (x, "1100010111111011111100111111110100110111100000010101E-244"); |
| s = mpfr_get_str (NULL, &e, 10, 15, x, GMP_RNDU); |
| if (strcmp (s, "123205864990233") || e != -57) |
| { |
| printf ("Error in mpfr_get_str (44u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 15, x, GMP_RNDD); |
| if (strcmp (s, "123205864990232") || e != -57) |
| { |
| printf ("Error in mpfr_get_str (44d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 7542952370752766*2^(-919) ~ .170206189963739699999999999999999974*10^(-260) */ |
| mpfr_set_str_binary (x, "11010110011000100011001110100100111011100110011111110E-919"); |
| s = mpfr_get_str (NULL, &e, 10, 16, x, GMP_RNDU); |
| if (strcmp (s, "1702061899637397") || e != -260) |
| { |
| printf ("Error in mpfr_get_str (45u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 16, x, GMP_RNDD); |
| if (strcmp (s, "1702061899637396") || e != -260) |
| { |
| printf ("Error in mpfr_get_str (45d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* 5592117679628511*2^165 ~ .26153245263757307000000000000000000074*10^66 */ |
| mpfr_set_str_binary (x, "10011110111100000000001011011110101100010000011011111E165"); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDU); |
| if (strcmp (s, "26153245263757308") || e != 66) |
| { |
| printf ("Error in mpfr_get_str (46u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDD); |
| if (strcmp (s, "26153245263757307") || e != 66) |
| { |
| printf ("Error in mpfr_get_str (46d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "11010010110111100001011010000110010000100001011011101E1223"); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDN); |
| if (strcmp (s, "10716284017294180") || e != 385) |
| { |
| printf ("Error in mpfr_get_str (47n): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 18, x, GMP_RNDU); |
| if (strcmp (s, "107162840172941805") || e != 385) |
| { |
| printf ("Error in mpfr_get_str (47u): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 18, x, GMP_RNDD); |
| if (strcmp (s, "107162840172941804") || e != 385) |
| { |
| printf ("Error in mpfr_get_str (47d): s=%s e=%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_str_binary (x, "11111101111011000001010100001101101000010010001111E122620"); |
| s = mpfr_get_str (NULL, &e, 10, 17, x, GMP_RNDN); |
| if (strcmp (s, "22183435284042374") || e != 36928) |
| { |
| printf ("Error in mpfr_get_str (48n): s=%s e=%ld\n", s, (long) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 18, x, GMP_RNDU); |
| if (strcmp (s, "221834352840423736") || e != 36928) |
| { |
| printf ("Error in mpfr_get_str (48u): s=%s e=%ld\n", s, (long) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| s = mpfr_get_str (NULL, &e, 10, 18, x, GMP_RNDD); |
| if (strcmp (s, "221834352840423735") || e != 36928) |
| { |
| printf ("Error in mpfr_get_str (48d): s=%s e=%ld\n", s, (long) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 45); |
| mpfr_set_str_binary (x, "1E45"); |
| s = mpfr_get_str (NULL, &e, 32, 9, x, GMP_RNDN); |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 7); |
| mpfr_set_str_binary (x, "0.1010101E10"); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDU); |
| mpfr_free_str (s); |
| |
| /* checks rounding of negative numbers */ |
| mpfr_set_prec (x, 7); |
| mpfr_set_str (x, "-11.5", 10, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDD); |
| if (strcmp (s, "-12")) |
| { |
| printf ("Error in mpfr_get_str for x=-11.5 and rnd=GMP_RNDD\n" |
| "got %s instead of -12\n", s); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDU); |
| if (strcmp (s, "-11")) |
| { |
| printf ("Error in mpfr_get_str for x=-11.5 and rnd=GMP_RNDU\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| /* bug found by Jean-Pierre Merlet, produced error in mpfr_get_str */ |
| mpfr_set_prec (x, 128); |
| mpfr_set_str_binary (x, "0.10111001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011001100110011010E3"); |
| s = mpfr_get_str (NULL, &e, 10, 0, x, GMP_RNDU); |
| mpfr_free_str (s); |
| |
| mpfr_set_prec (x, 381); |
| mpfr_set_str_binary (x, "0.111111111111111111111111111111111111111111111111111111111111111111101110110000100110011101101101001010111000101111000100100011110101010110101110100000010100001000110100000100011111001000010010000010001010111001011110000001110010111101100001111000101101100000010110000101100100000101010110010110001010100111001111100011100101100000100100111001100010010011110011011010110000001000010"); |
| s = mpfr_get_str (NULL, &e, 10, 0, x, GMP_RNDD); |
| if (e != 0) |
| { |
| printf ("Error in mpfr_get_str for x=0.999999..., exponent is %d" |
| " instead of 0\n", (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_clear (x); |
| } |
| |
| /* bugs found by Alain Delplanque */ |
| static void |
| check_large (void) |
| { |
| mpfr_t x; |
| char *s, s1[7]; |
| const char xm[] = { '1', '1', '9', '1', '3', '2', '9', '3', '7', '3', |
| '5', '8', '4', '4', '5', '4', '9', '0', '2', '9', |
| '6', '3', '4', '4', '6', '9', '9', '1', '9', '5', |
| '5', '7', '2', '0', '1', '7', '5', '2', '8', '6', |
| '1', '2', '5', '2', '5', '2', '7', '4', '0', '2', |
| '7', '9', '1', '1', '7', '4', '5', '6', '7', '5', |
| '9', '3', '1', '4', '2', '5', '5', '6', '6', '6', |
| '1', '6', '4', '3', '8', '1', '2', '8', '7', '6', |
| '2', '9', '2', '0', '8', '8', '9', '4', '3', '9', |
| '6', '2', '8', '4', '1', '1', '8', '1', '0', '6', |
| '2', '3', '7', '6', '3', '8', '1', '5', '1', '7', |
| '3', '4', '6', '1', '2', '4', '0', '1', '3', '0', |
| '8', '4', '1', '3', '9', '3', '2', '0', '1', '6', |
| '3', '6', '7', '1', '5', '1', '7', '5', '0', '1', |
| '9', '8', '4', '0', '8', '2', '7', '9', '1', '3', |
| '2', '2', '8', '3', '4', '1', '6', '2', '3', '9', |
| '6', '2', '0', '7', '3', '5', '5', '5', '3', '4', |
| '2', '1', '7', '0', '9', '7', '6', '2', '1', '0', |
| '3', '3', '5', '4', '7', '6', '0', '9', '7', '6', |
| '9', '3', '5', '1', '7', '8', '6', '8', '8', '2', |
| '8', '1', '4', '3', '7', '4', '3', '3', '2', '4', |
| '1', '5', '4', '7', '8', '1', '1', '4', '2', '1', |
| '2', '4', '2', '7', '6', '5', '9', '5', '4', '5', |
| '2', '6', '7', '3', '0', '3', '4', '0', '6', '9', |
| '1', '8', '9', '9', '9', '8', '0', '5', '7', '0', |
| '9', '3', '8', '7', '6', '2', '4', '6', '1', '6', |
| '7', '2', '0', '3', '5', '9', '3', '5', '8', '8', |
| '9', '7', '7', '9', '2', '7', '0', '8', '1', '6', |
| '8', '7', '4', '8', '5', '3', '0', '8', '4', '3', |
| '5', '6', '5', '1', '6', '6', '0', '9', '7', '9', |
| '8', '9', '2', '7', '2', '6', '8', '5', '9', '4', |
| '5', '8', '1', '3', '7', '2', '9', '3', '8', '3', |
| '7', '9', '1', '7', '9', '9', '7', '7', '2', '8', |
| '4', '6', '5', '5', '7', '3', '3', '8', '3', '6', |
| '6', '9', '7', '1', '4', '3', '3', '7', '1', '4', |
| '9', '4', '1', '2', '4', '9', '5', '1', '4', '7', |
| '2', '6', '4', '4', '8', '0', '6', '2', '6', '0', |
| '6', '9', '8', '1', '1', '7', '9', '9', '3', '9', |
| '3', '8', '4', '7', '3', '1', '9', '0', '2', '3', |
| '5', '3', '5', '4', '2', '1', '1', '7', '6', '7', |
| '4', '3', '2', '2', '0', '6', '5', '9', '9', '3', |
| '2', '6', '7', '1', '2', '0', '0', '3', '7', '3', |
| '8', '7', '4', '3', '3', '3', '3', '3', '2', '3', |
| '8', '2', '8', '6', '3', '1', '5', '5', '2', '2', |
| '5', '9', '3', '3', '7', '0', '6', '2', '8', '1', |
| '0', '3', '6', '7', '6', '9', '6', '5', '9', '0', |
| '6', '6', '6', '3', '6', '9', '9', '3', '8', '7', |
| '6', '5', '4', '5', '3', '5', '9', '4', '0', '0', |
| '7', '5', '8', '5', '4', '1', '4', '3', '1', '5', |
| '7', '6', '6', '3', '4', '4', '5', '0', '8', '7', |
| '5', '7', '5', '0', '1', '0', '1', '8', '4', '7', |
| '3', '1', '9', '9', '2', '7', '1', '1', '1', '2', |
| '3', '9', '9', '6', '5', '9', '2', '3', '2', '8', |
| '1', '5', '5', '1', '2', '6', '4', '9', '6', '6', |
| '4', '5', '1', '1', '6', '0', '0', '3', '2', '8', |
| '4', '8', '7', '1', '4', '9', '6', '8', '1', '6', |
| '5', '9', '8', '3', '4', '2', '9', '7', '0', '1', |
| '9', '2', '6', '6', '9', '1', '3', '5', '9', '3', |
| '2', '9', '6', '2', '3', '0', '6', '0', '1', '1', |
| '6', '5', '1', '7', '9', '0', '7', '5', '8', '6', |
| '8', '4', '2', '1', '0', '3', '8', '6', '6', '4', |
| '4', '9', '9', '7', '5', '8', '1', '7', '5', '7', |
| '9', '6', '6', '8', '8', '5', '8', '6', '7', '4', |
| '0', '7', '2', '0', '2', '9', '9', '4', '4', '1', |
| '9', '5', '8', '6', '5', '0', '6', '7', '4', '2', |
| '7', '3', '2', '3', '2', '7', '0', '2', '1', '3', |
| '0', '5', '9', '0', '3', '9', '1', '4', '5', '3', |
| '7', '2', '7', '0', '8', '5', '5', '4', '6', '1', |
| '1', '0', '0', '9', '2', '0', '4', '1', '6', '6', |
| '4', '6', '9', '1', '3', '2', '8', '5', '0', '3', |
| '3', '8', '9', '8', '7', '8', '5', '9', '5', '5', |
| '9', '1', '9', '3', '6', '5', '4', '1', '7', '4', |
| '0', '2', '4', '7', '2', '9', '7', '1', '2', '4', |
| '5', '8', '1', '4', '4', '6', '1', '8', '5', '8', |
| '7', '6', '9', '7', '2', '1', '2', '0', '8', '9', |
| '5', '9', '5', '5', '3', '8', '1', '2', '5', '4', |
| '3', '0', '7', '6', '5', '1', '7', '8', '2', '0', |
| '0', '7', '6', '7', '4', '8', '1', '0', '6', '3', |
| '2', '3', '0', '5', '2', '5', '0', '1', '1', '4', |
| '3', '8', '4', '5', '2', '3', '9', '5', '0', '9', |
| '8', '2', '6', '4', '7', '4', '8', '0', '1', '1', |
| '7', '1', '5', '4', '9', '0', '9', '2', '2', '3', |
| '8', '1', '6', '9', '0', '4', '6', '4', '5', '4', |
| '6', '3', '8', '7', '3', '6', '1', '7', '2', '3', |
| '4', '5', '5', '2', '0', '2', '5', '8', '1', '4', |
| '9', '3', '0', '7', '4', '1', '6', '8', '7', '8', |
| '2', '6', '2', '5', '1', '0', '7', '4', '7', '3', |
| '6', '6', '4', '5', '6', '6', '6', '6', '8', '5', |
| '1', '3', '5', '7', '1', '6', '2', '0', '9', '2', |
| '3', '2', '6', '0', '7', '9', '8', '1', '6', '2', |
| '0', '3', '8', '8', '0', '2', '8', '7', '7', '5', |
| '9', '3', '1', '0', '6', '7', '5', '7', '3', '1', |
| '2', '7', '7', '2', '0', '0', '4', '1', '2', '8', |
| '2', '0', '8', '4', '0', '5', '0', '5', '0', '1', |
| '9', '3', '3', '6', '3', '6', '9', '6', '2', '8', |
| '2', '9', '7', '5', '3', '8', '8', '9', '1', '1', |
| '4', '5', '7', '7', '5', '6', '0', '2', '7', '9', |
| '7', '2', '1', '7', '4', '3', '0', '3', '6', '7', |
| '3', '7', '2', '2', '7', '5', '6', '2', '3', '1', |
| '2', '1', '3', '1', '4', '2', '6', '9', '2', '3', |
| '\0' }; |
| mp_exp_t e; |
| |
| mpfr_init2 (x, 3322); |
| mpfr_set_str (x, xm, 10, GMP_RNDN); |
| mpfr_div_2exp (x, x, 4343, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 10, 1000, x, GMP_RNDN); |
| if (s[999] != '1') /* s must be 5.04383...689071e-309 */ |
| { |
| printf ("Error in check_large: expected '689071', got '%s'\n", |
| s + 994); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_mul_2exp (x, x, 4343, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDN); |
| if (strcmp (s, "12") || (e != 1000)) |
| { |
| printf ("Error in check_large: expected 0.12e1000\n"); |
| printf ("got %se%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_set_nan (x); |
| s = mpfr_get_str (NULL, &e, 10, 1000, x, GMP_RNDN); |
| if (strcmp (s, "@NaN@")) |
| { |
| printf ("Error for NaN\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_get_str (s1, &e, 10, 1000, x, GMP_RNDN); |
| |
| mpfr_set_inf (x, 1); |
| s = mpfr_get_str (NULL, &e, 10, 1000, x, GMP_RNDN); |
| if (strcmp (s, "@Inf@")) |
| { |
| printf ("Error for Inf\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_get_str (s1, &e, 10, 1000, x, GMP_RNDN); |
| |
| mpfr_set_inf (x, -1); |
| s = mpfr_get_str (NULL, &e, 10, 1000, x, GMP_RNDN); |
| if (strcmp (s, "-@Inf@")) |
| { |
| printf ("Error for -Inf\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| |
| mpfr_get_str (s1, &e, 10, 1000, x, GMP_RNDN); |
| |
| mpfr_set_ui (x, 0, GMP_RNDN); |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDN); |
| if (e != 0 || strcmp (s, "00")) |
| { |
| printf ("Error for 0.0\n"); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_get_str (s1, &e, 10, 2, x, GMP_RNDN); |
| |
| mpfr_neg (x, x, GMP_RNDN); /* -0.0 */ |
| s = mpfr_get_str (NULL, &e, 10, 2, x, GMP_RNDN); |
| if (e != 0 || strcmp (s, "-00")) |
| { |
| printf ("Error for -0.0\ngot %se%d\n", s, (int) e); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_get_str (s1, &e, 10, 2, x, GMP_RNDN); |
| |
| mpfr_clear (x); |
| } |
| |
| #define MAX_DIGITS 100 |
| |
| static void |
| check_special (int b, mp_prec_t p) |
| { |
| mpfr_t x; |
| int i, j; |
| char s[MAX_DIGITS + 2], s2[MAX_DIGITS + 2], c; |
| mp_exp_t e; |
| int r; |
| size_t m; |
| |
| /* check for invalid base */ |
| MPFR_ASSERTN(mpfr_get_str (s, &e, 1, 10, x, GMP_RNDN) == NULL); |
| MPFR_ASSERTN(mpfr_get_str (s, &e, 37, 10, x, GMP_RNDN) == NULL); |
| |
| s2[0] = '1'; |
| for (i=1; i<MAX_DIGITS+2; i++) |
| s2[i] = '0'; |
| |
| mpfr_init2 (x, p); |
| mpfr_set_ui (x, 1, GMP_RNDN); |
| for (i=1; i<MAX_DIGITS && mpfr_mul_ui (x, x, b, GMP_RNDN) == 0; i++) |
| { |
| /* x = b^i (exact) */ |
| for (r = 0; r < GMP_RND_MAX; r++) |
| for (m= (i<3)? 2 : i-1 ; (int) m <= i+1 ; m++) |
| { |
| mpfr_get_str (s, &e, b, m, x, (mp_rnd_t) r); |
| /* s should be 1 followed by (m-1) zeros, and e should be i+1 */ |
| if ((e != i+1) || strncmp (s, s2, m) != 0) |
| { |
| printf ("Error in mpfr_get_str for %d^%d\n", b, i); |
| exit (1); |
| } |
| } |
| if (mpfr_sub_ui (x, x, 1, GMP_RNDN) != 0) |
| break; |
| /* now x = b^i-1 (exact) */ |
| for (r = 0; r < GMP_RND_MAX; r++) |
| if (i >= 2) |
| { |
| mpfr_get_str (s, &e, b, i, x, (mp_rnd_t) r); |
| /* should be i times (b-1) */ |
| c = (b <= 10) ? '0' + b - 1 : 'a' + (b - 11); |
| for (j=0; (j < i) && (s[j] == c); j++); |
| if ((j < i) || (e != i)) |
| { |
| printf ("Error in mpfr_get_str for %d^%d-1\n", b, i); |
| printf ("got 0.%s*2^%d\n", s, (int) e); |
| exit (1); |
| } |
| } |
| if (i >= 3) |
| { |
| mpfr_get_str (s, &e, b, i - 1, x, GMP_RNDU); |
| /* should be b^i */ |
| if ((e != i+1) || strncmp (s, s2, i - 1) != 0) |
| { |
| printf ("Error in mpfr_get_str for %d^%d-1\n", b, i); |
| printf ("got 0.%s*2^%d\n", s, (int) e); |
| exit (1); |
| } |
| } |
| |
| mpfr_add_ui (x, x, 1, GMP_RNDN); |
| } |
| mpfr_clear (x); |
| } |
| |
| static void |
| check_bug_base2k (void) |
| { |
| /* |
| * -2.63b22b55697e800000000000@130 |
| * +-0.1001100011101100100010101101010101011010010111111010000000000000000000000000+00000000000000000000001E522 |
| */ |
| mpfr_t xx, yy, zz; |
| char *s; |
| mp_exp_t e; |
| |
| mpfr_init2 (xx, 107); |
| mpfr_init2 (yy, 79); |
| mpfr_init2 (zz, 99); |
| |
| mpfr_set_str (xx, "-1.90e8c3e525d7c0000000000000@-18", 16, GMP_RNDN); |
| mpfr_set_str (yy, "-2.63b22b55697e8000000@130", 16, GMP_RNDN); |
| mpfr_add (zz, xx, yy, GMP_RNDD); |
| s = mpfr_get_str (NULL, &e, 16, 0, zz, GMP_RNDN); |
| if (strcmp (s, "-263b22b55697e8000000000008")) |
| { |
| printf ("Error for get_str base 16\n" |
| "Got %s expected -263b22b55697e8000000000008\n", s); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_clears (xx, yy, zz, (mpfr_ptr) 0); |
| } |
| |
| static void |
| check_reduced_exprange (void) |
| { |
| mpfr_t x; |
| char *s; |
| mp_exp_t emax, e; |
| |
| emax = mpfr_get_emax (); |
| mpfr_init2 (x, 8); |
| mpfr_set_str (x, "0.11111111E0", 2, GMP_RNDN); |
| set_emax (0); |
| s = mpfr_get_str (NULL, &e, 16, 0, x, GMP_RNDN); |
| set_emax (emax); |
| if (strcmp (s, "ff0")) |
| { |
| printf ("Error for mpfr_get_str on 0.11111111E0 in base 16:\n" |
| "Got \"%s\" instead of \"ff0\".\n", s); |
| exit (1); |
| } |
| mpfr_free_str (s); |
| mpfr_clear (x); |
| } |
| |
| #define ITER 1000 |
| |
| int |
| main (int argc, char *argv[]) |
| { |
| int b; |
| mpfr_t x; |
| mp_rnd_t r; |
| char s[MAX_DIGITS + 2]; |
| mp_exp_t e, f; |
| size_t m; |
| mp_prec_t p; |
| int i; |
| |
| tests_start_mpfr (); |
| |
| check_small (); |
| |
| check_special (2, 2); |
| for (i = 0; i < ITER; i++) |
| { |
| p = 2 + (randlimb () % (MAX_DIGITS - 1)); |
| b = 2 + (randlimb () % 35); |
| check_special (b, p); |
| } |
| |
| mpfr_init2 (x, MAX_DIGITS); |
| for (i = 0; i < ITER; i++) |
| { |
| m = 2 + (randlimb () % (MAX_DIGITS - 1)); |
| mpfr_urandomb (x, RANDS); |
| e = (mp_exp_t) (randlimb () % 21) - 10; |
| mpfr_set_exp (x, (e == -10) ? mpfr_get_emin () : |
| ((e == 10) ? mpfr_get_emax () : e)); |
| b = 2 + (randlimb () % 35); |
| r = RND_RAND (); |
| mpfr_get_str (s, &f, b, m, x, r); |
| } |
| mpfr_clear (x); |
| |
| check_large (); |
| check3 ("4.059650008e-83", GMP_RNDN, "40597"); |
| check3 ("-6.606499965302424244461355e233", GMP_RNDN, "-66065"); |
| check3 ("-7.4", GMP_RNDN, "-74000"); |
| check3 ("0.997", GMP_RNDN, "99700"); |
| check3 ("-4.53063926135729747564e-308", GMP_RNDN, "-45306"); |
| check3 ("2.14478198760196000000e+16", GMP_RNDN, "21448"); |
| check3 ("7.02293374921793516813e-84", GMP_RNDN, "70229"); |
| |
| check3 ("-6.7274500420134077e-87", GMP_RNDN, "-67275"); |
| check3 ("-6.7274500420134077e-87", GMP_RNDZ, "-67274"); |
| check3 ("-6.7274500420134077e-87", GMP_RNDU, "-67274"); |
| check3 ("-6.7274500420134077e-87", GMP_RNDD, "-67275"); |
| |
| check3 ("6.7274500420134077e-87", GMP_RNDN, "67275"); |
| check3 ("6.7274500420134077e-87", GMP_RNDZ, "67274"); |
| check3 ("6.7274500420134077e-87", GMP_RNDU, "67275"); |
| check3 ("6.7274500420134077e-87", GMP_RNDD, "67274"); |
| |
| check_bug_base2k (); |
| check_reduced_exprange (); |
| |
| tests_end_mpfr (); |
| return 0; |
| } |
