--- /dev/null
+/** \ingroup py_c
+ * \file python/rpmbc-py.c
+ */
+
+#include "system.h"
+
+#include "Python.h"
+#ifdef __LCLINT__
+#undef PyObject_HEAD
+#define PyObject_HEAD int _PyObjectHead;
+#endif
+
+#include "rpmbc-py.h"
+
+#include "rpmdebug-py.c"
+
+#include "debug.h"
+
+/*@unchecked@*/
+static int _bc_debug = 0;
+
+#define is_rpmbc(o) ((o)->ob_type == &rpmbc_Type)
+
+/*@unchecked@*/ /*@observer@*/
+static const char initialiser_name[] = "rpmbc";
+
+/*@unchecked@*/ /*@observer@*/
+static const struct {
+ /* Number of digits in the conversion base that always fits in an mp_limb_t.
+ For example, for base 10 on a machine where a mp_limb_t has 32 bits this
+ is 9, since 10**9 is the largest number that fits into a mp_limb_t. */
+ int chars_per_limb;
+
+ /* log(2)/log(conversion_base) */
+ double chars_per_bit_exactly;
+
+ /* base**chars_per_limb, i.e. the biggest number that fits a word, built by
+ factors of base. Exception: For 2, 4, 8, etc, big_base is log2(base),
+ i.e. the number of bits used to represent each digit in the base. */
+ unsigned int big_base;
+
+ /* A BITS_PER_MP_LIMB bit approximation to 1/big_base, represented as a
+ fixed-point number. Instead of dividing by big_base an application can
+ choose to multiply by big_base_inverted. */
+ unsigned int big_base_inverted;
+} mp_bases[257] = {
+ /* 0 */ {0, 0.0, 0, 0},
+ /* 1 */ {0, 1e37, 0, 0},
+ /* 2 */ {32, 1.0000000000000000, 0x1, 0x0},
+ /* 3 */ {20, 0.6309297535714574, 0xcfd41b91, 0x3b563c24},
+ /* 4 */ {16, 0.5000000000000000, 0x2, 0x0},
+ /* 5 */ {13, 0.4306765580733931, 0x48c27395, 0xc25c2684},
+ /* 6 */ {12, 0.3868528072345416, 0x81bf1000, 0xf91bd1b6},
+ /* 7 */ {11, 0.3562071871080222, 0x75db9c97, 0x1607a2cb},
+ /* 8 */ {10, 0.3333333333333333, 0x3, 0x0},
+ /* 9 */ {10, 0.3154648767857287, 0xcfd41b91, 0x3b563c24},
+ /* 10 */ {9, 0.3010299956639812, 0x3b9aca00, 0x12e0be82},
+ /* 11 */ {9, 0.2890648263178878, 0x8c8b6d2b, 0xd24cde04},
+ /* 12 */ {8, 0.2789429456511298, 0x19a10000, 0x3fa39ab5},
+ /* 13 */ {8, 0.2702381544273197, 0x309f1021, 0x50f8ac5f},
+ /* 14 */ {8, 0.2626495350371935, 0x57f6c100, 0x74843b1e},
+ /* 15 */ {8, 0.2559580248098155, 0x98c29b81, 0xad0326c2},
+ /* 16 */ {8, 0.2500000000000000, 0x4, 0x0},
+ /* 17 */ {7, 0.2446505421182260, 0x18754571, 0x4ef0b6bd},
+ /* 18 */ {7, 0.2398124665681314, 0x247dbc80, 0xc0fc48a1},
+ /* 19 */ {7, 0.2354089133666382, 0x3547667b, 0x33838942},
+ /* 20 */ {7, 0.2313782131597592, 0x4c4b4000, 0xad7f29ab},
+ /* 21 */ {7, 0.2276702486969530, 0x6b5a6e1d, 0x313c3d15},
+ /* 22 */ {7, 0.2242438242175754, 0x94ace180, 0xb8cca9e0},
+ /* 23 */ {7, 0.2210647294575037, 0xcaf18367, 0x42ed6de9},
+ /* 24 */ {6, 0.2181042919855316, 0xb640000, 0x67980e0b},
+ /* 25 */ {6, 0.2153382790366965, 0xe8d4a51, 0x19799812},
+ /* 26 */ {6, 0.2127460535533632, 0x1269ae40, 0xbce85396},
+ /* 27 */ {6, 0.2103099178571525, 0x17179149, 0x62c103a9},
+ /* 28 */ {6, 0.2080145976765095, 0x1cb91000, 0x1d353d43},
+ /* 29 */ {6, 0.2058468324604344, 0x23744899, 0xce1decea},
+ /* 30 */ {6, 0.2037950470905062, 0x2b73a840, 0x790fc511},
+ /* 31 */ {6, 0.2018490865820999, 0x34e63b41, 0x35b865a0},
+ /* 32 */ {6, 0.2000000000000000, 0x5, 0x0},
+ /* 33 */ {6, 0.1982398631705605, 0x4cfa3cc1, 0xa9aed1b3},
+ /* 34 */ {6, 0.1965616322328226, 0x5c13d840, 0x63dfc229},
+ /* 35 */ {6, 0.1949590218937863, 0x6d91b519, 0x2b0fee30},
+ /* 36 */ {6, 0.1934264036172708, 0x81bf1000, 0xf91bd1b6},
+ /* 37 */ {6, 0.1919587200065601, 0x98ede0c9, 0xac89c3a9},
+ /* 38 */ {6, 0.1905514124267734, 0xb3773e40, 0x6d2c32fe},
+ /* 39 */ {6, 0.1892003595168700, 0xd1bbc4d1, 0x387907c9},
+ /* 40 */ {6, 0.1879018247091076, 0xf4240000, 0xc6f7a0b},
+ /* 41 */ {5, 0.1866524112389434, 0x6e7d349, 0x28928154},
+ /* 42 */ {5, 0.1854490234153689, 0x7ca30a0, 0x6e8629d},
+ /* 43 */ {5, 0.1842888331487062, 0x8c32bbb, 0xd373dca0},
+ /* 44 */ {5, 0.1831692509136336, 0x9d46c00, 0xa0b17895},
+ /* 45 */ {5, 0.1820879004699383, 0xaffacfd, 0x746811a5},
+ /* 46 */ {5, 0.1810425967800402, 0xc46bee0, 0x4da6500f},
+ /* 47 */ {5, 0.1800313266566926, 0xdab86ef, 0x2ba23582},
+ /* 48 */ {5, 0.1790522317510414, 0xf300000, 0xdb20a88},
+ /* 49 */ {5, 0.1781035935540111, 0x10d63af1, 0xe68d5ce4},
+ /* 50 */ {5, 0.1771838201355579, 0x12a05f20, 0xb7cdfd9d},
+ /* 51 */ {5, 0.1762914343888821, 0x1490aae3, 0x8e583933},
+ /* 52 */ {5, 0.1754250635819545, 0x16a97400, 0x697cc3ea},
+ /* 53 */ {5, 0.1745834300480449, 0x18ed2825, 0x48a5ca6c},
+ /* 54 */ {5, 0.1737653428714400, 0x1b5e4d60, 0x2b52db16},
+ /* 55 */ {5, 0.1729696904450771, 0x1dff8297, 0x111586a6},
+ /* 56 */ {5, 0.1721954337940981, 0x20d38000, 0xf31d2b36},
+ /* 57 */ {5, 0.1714416005739134, 0x23dd1799, 0xc8d76d19},
+ /* 58 */ {5, 0.1707072796637201, 0x271f35a0, 0xa2cb1eb4},
+ /* 59 */ {5, 0.1699916162869140, 0x2a9ce10b, 0x807c3ec3},
+ /* 60 */ {5, 0.1692938075987814, 0x2e593c00, 0x617ec8bf},
+ /* 61 */ {5, 0.1686130986895011, 0x3257844d, 0x45746cbe},
+ /* 62 */ {5, 0.1679487789570419, 0x369b13e0, 0x2c0aa273},
+ /* 63 */ {5, 0.1673001788101741, 0x3b27613f, 0x14f90805},
+ /* 64 */ {5, 0.1666666666666667, 0x6, 0x0},
+ /* 65 */ {5, 0.1660476462159378, 0x4528a141, 0xd9cf0829},
+ /* 66 */ {5, 0.1654425539190583, 0x4aa51420, 0xb6fc4841},
+ /* 67 */ {5, 0.1648508567221603, 0x50794633, 0x973054cb},
+ /* 68 */ {5, 0.1642720499620502, 0x56a94400, 0x7a1dbe4b},
+ /* 69 */ {5, 0.1637056554452156, 0x5d393975, 0x5f7fcd7f},
+ /* 70 */ {5, 0.1631512196835108, 0x642d7260, 0x47196c84},
+ /* 71 */ {5, 0.1626083122716342, 0x6b8a5ae7, 0x30b43635},
+ /* 72 */ {5, 0.1620765243931223, 0x73548000, 0x1c1fa5f6},
+ /* 73 */ {5, 0.1615554674429964, 0x7b908fe9, 0x930634a},
+ /* 74 */ {5, 0.1610447717564444, 0x84435aa0, 0xef7f4a3c},
+ /* 75 */ {5, 0.1605440854340214, 0x8d71d25b, 0xcf5552d2},
+ /* 76 */ {5, 0.1600530732548213, 0x97210c00, 0xb1a47c8e},
+ /* 77 */ {5, 0.1595714156699382, 0xa1563f9d, 0x9634b43e},
+ /* 78 */ {5, 0.1590988078692941, 0xac16c8e0, 0x7cd3817d},
+ /* 79 */ {5, 0.1586349589155960, 0xb768278f, 0x65536761},
+ /* 80 */ {5, 0.1581795909397823, 0xc3500000, 0x4f8b588e},
+ /* 81 */ {5, 0.1577324383928644, 0xcfd41b91, 0x3b563c24},
+ /* 82 */ {5, 0.1572932473495469, 0xdcfa6920, 0x28928154},
+ /* 83 */ {5, 0.1568617748594410, 0xeac8fd83, 0x1721bfb0},
+ /* 84 */ {5, 0.1564377883420715, 0xf9461400, 0x6e8629d},
+ /* 85 */ {4, 0.1560210650222250, 0x31c84b1, 0x491cc17c},
+ /* 86 */ {4, 0.1556113914024939, 0x342ab10, 0x3a11d83b},
+ /* 87 */ {4, 0.1552085627701551, 0x36a2c21, 0x2be074cd},
+ /* 88 */ {4, 0.1548123827357682, 0x3931000, 0x1e7a02e7},
+ /* 89 */ {4, 0.1544226628011101, 0x3bd5ee1, 0x11d10edd},
+ /* 90 */ {4, 0.1540392219542636, 0x3e92110, 0x5d92c68},
+ /* 91 */ {4, 0.1536618862898642, 0x4165ef1, 0xf50dbfb2},
+ /* 92 */ {4, 0.1532904886526781, 0x4452100, 0xdf9f1316},
+ /* 93 */ {4, 0.1529248683028321, 0x4756fd1, 0xcb52a684},
+ /* 94 */ {4, 0.1525648706011593, 0x4a75410, 0xb8163e97},
+ /* 95 */ {4, 0.1522103467132434, 0x4dad681, 0xa5d8f269},
+ /* 96 */ {4, 0.1518611533308632, 0x5100000, 0x948b0fcd},
+ /* 97 */ {4, 0.1515171524096389, 0x546d981, 0x841e0215},
+ /* 98 */ {4, 0.1511782109217764, 0x57f6c10, 0x74843b1e},
+ /* 99 */ {4, 0.1508442006228941, 0x5b9c0d1, 0x65b11e6e},
+ /* 100 */ {4, 0.1505149978319906, 0x5f5e100, 0x5798ee23},
+ /* 101 */ {4, 0.1501904832236880, 0x633d5f1, 0x4a30b99b},
+ /* 102 */ {4, 0.1498705416319474, 0x673a910, 0x3d6e4d94},
+ /* 103 */ {4, 0.1495550618645152, 0x6b563e1, 0x314825b0},
+ /* 104 */ {4, 0.1492439365274121, 0x6f91000, 0x25b55f2e},
+ /* 105 */ {4, 0.1489370618588283, 0x73eb721, 0x1aadaccb},
+ /* 106 */ {4, 0.1486343375718350, 0x7866310, 0x10294ba2},
+ /* 107 */ {4, 0.1483356667053617, 0x7d01db1, 0x620f8f6},
+ /* 108 */ {4, 0.1480409554829326, 0x81bf100, 0xf91bd1b6},
+ /* 109 */ {4, 0.1477501131786861, 0x869e711, 0xe6d37b2a},
+ /* 110 */ {4, 0.1474630519902391, 0x8ba0a10, 0xd55cff6e},
+ /* 111 */ {4, 0.1471796869179852, 0x90c6441, 0xc4ad2db2},
+ /* 112 */ {4, 0.1468999356504447, 0x9610000, 0xb4b985cf},
+ /* 113 */ {4, 0.1466237184553111, 0x9b7e7c1, 0xa5782bef},
+ /* 114 */ {4, 0.1463509580758620, 0xa112610, 0x96dfdd2a},
+ /* 115 */ {4, 0.1460815796324244, 0xa6cc591, 0x88e7e509},
+ /* 116 */ {4, 0.1458155105286054, 0xacad100, 0x7b8813d3},
+ /* 117 */ {4, 0.1455526803620167, 0xb2b5331, 0x6eb8b595},
+ /* 118 */ {4, 0.1452930208392429, 0xb8e5710, 0x627289db},
+ /* 119 */ {4, 0.1450364656948130, 0xbf3e7a1, 0x56aebc07},
+ /* 120 */ {4, 0.1447829506139581, 0xc5c1000, 0x4b66dc33},
+ /* 121 */ {4, 0.1445324131589439, 0xcc6db61, 0x4094d8a3},
+ /* 122 */ {4, 0.1442847926987864, 0xd345510, 0x3632f7a5},
+ /* 123 */ {4, 0.1440400303421672, 0xda48871, 0x2c3bd1f0},
+ /* 124 */ {4, 0.1437980688733776, 0xe178100, 0x22aa4d5f},
+ /* 125 */ {4, 0.1435588526911310, 0xe8d4a51, 0x19799812},
+ /* 126 */ {4, 0.1433223277500932, 0xf05f010, 0x10a523e5},
+ /* 127 */ {4, 0.1430884415049874, 0xf817e01, 0x828a237},
+ /* 128 */ {4, 0.1428571428571428, 0x7, 0x0},
+ /* 129 */ {4, 0.1426283821033600, 0x10818201, 0xf04ec452},
+ /* 130 */ {4, 0.1424021108869747, 0x11061010, 0xe136444a},
+ /* 131 */ {4, 0.1421782821510107, 0x118db651, 0xd2af9589},
+ /* 132 */ {4, 0.1419568500933153, 0x12188100, 0xc4b42a83},
+ /* 133 */ {4, 0.1417377701235801, 0x12a67c71, 0xb73dccf5},
+ /* 134 */ {4, 0.1415209988221527, 0x1337b510, 0xaa4698c5},
+ /* 135 */ {4, 0.1413064939005528, 0x13cc3761, 0x9dc8f729},
+ /* 136 */ {4, 0.1410942141636095, 0x14641000, 0x91bf9a30},
+ /* 137 */ {4, 0.1408841194731412, 0x14ff4ba1, 0x86257887},
+ /* 138 */ {4, 0.1406761707131039, 0x159df710, 0x7af5c98c},
+ /* 139 */ {4, 0.1404703297561400, 0x16401f31, 0x702c01a0},
+ /* 140 */ {4, 0.1402665594314587, 0x16e5d100, 0x65c3ceb1},
+ /* 141 */ {4, 0.1400648234939879, 0x178f1991, 0x5bb91502},
+ /* 142 */ {4, 0.1398650865947379, 0x183c0610, 0x5207ec23},
+ /* 143 */ {4, 0.1396673142523192, 0x18eca3c1, 0x48ac9c19},
+ /* 144 */ {4, 0.1394714728255649, 0x19a10000, 0x3fa39ab5},
+ /* 145 */ {4, 0.1392775294872041, 0x1a592841, 0x36e98912},
+ /* 146 */ {4, 0.1390854521985406, 0x1b152a10, 0x2e7b3140},
+ /* 147 */ {4, 0.1388952096850913, 0x1bd51311, 0x2655840b},
+ /* 148 */ {4, 0.1387067714131417, 0x1c98f100, 0x1e7596ea},
+ /* 149 */ {4, 0.1385201075671774, 0x1d60d1b1, 0x16d8a20d},
+ /* 150 */ {4, 0.1383351890281539, 0x1e2cc310, 0xf7bfe87},
+ /* 151 */ {4, 0.1381519873525671, 0x1efcd321, 0x85d2492},
+ /* 152 */ {4, 0.1379704747522905, 0x1fd11000, 0x179a9f4},
+ /* 153 */ {4, 0.1377906240751463, 0x20a987e1, 0xf59e80eb},
+ /* 154 */ {4, 0.1376124087861776, 0x21864910, 0xe8b768db},
+ /* 155 */ {4, 0.1374358029495937, 0x226761f1, 0xdc39d6d5},
+ /* 156 */ {4, 0.1372607812113589, 0x234ce100, 0xd021c5d1},
+ /* 157 */ {4, 0.1370873187823978, 0x2436d4d1, 0xc46b5e37},
+ /* 158 */ {4, 0.1369153914223921, 0x25254c10, 0xb912f39c},
+ /* 159 */ {4, 0.1367449754241439, 0x26185581, 0xae150294},
+ /* 160 */ {4, 0.1365760475984821, 0x27100000, 0xa36e2eb1},
+ /* 161 */ {4, 0.1364085852596902, 0x280c5a81, 0x991b4094},
+ /* 162 */ {4, 0.1362425662114337, 0x290d7410, 0x8f19241e},
+ /* 163 */ {4, 0.1360779687331669, 0x2a135bd1, 0x8564e6b7},
+ /* 164 */ {4, 0.1359147715670014, 0x2b1e2100, 0x7bfbb5b4},
+ /* 165 */ {4, 0.1357529539050150, 0x2c2dd2f1, 0x72dadcc8},
+ /* 166 */ {4, 0.1355924953769864, 0x2d428110, 0x69ffc498},
+ /* 167 */ {4, 0.1354333760385373, 0x2e5c3ae1, 0x6167f154},
+ /* 168 */ {4, 0.1352755763596663, 0x2f7b1000, 0x5911016e},
+ /* 169 */ {4, 0.1351190772136599, 0x309f1021, 0x50f8ac5f},
+ /* 170 */ {4, 0.1349638598663645, 0x31c84b10, 0x491cc17c},
+ /* 171 */ {4, 0.1348099059658080, 0x32f6d0b1, 0x417b26d8},
+ /* 172 */ {4, 0.1346571975321549, 0x342ab100, 0x3a11d83b},
+ /* 173 */ {4, 0.1345057169479844, 0x3563fc11, 0x32dee622},
+ /* 174 */ {4, 0.1343554469488779, 0x36a2c210, 0x2be074cd},
+ /* 175 */ {4, 0.1342063706143054, 0x37e71341, 0x2514bb58},
+ /* 176 */ {4, 0.1340584713587979, 0x39310000, 0x1e7a02e7},
+ /* 177 */ {4, 0.1339117329233981, 0x3a8098c1, 0x180ea5d0},
+ /* 178 */ {4, 0.1337661393673756, 0x3bd5ee10, 0x11d10edd},
+ /* 179 */ {4, 0.1336216750601996, 0x3d311091, 0xbbfb88e},
+ /* 180 */ {4, 0.1334783246737591, 0x3e921100, 0x5d92c68},
+ /* 181 */ {4, 0.1333360731748201, 0x3ff90031, 0x1c024c},
+ /* 182 */ {4, 0.1331949058177136, 0x4165ef10, 0xf50dbfb2},
+ /* 183 */ {4, 0.1330548081372441, 0x42d8eea1, 0xea30efa3},
+ /* 184 */ {4, 0.1329157659418126, 0x44521000, 0xdf9f1316},
+ /* 185 */ {4, 0.1327777653067443, 0x45d16461, 0xd555c0c9},
+ /* 186 */ {4, 0.1326407925678156, 0x4756fd10, 0xcb52a684},
+ /* 187 */ {4, 0.1325048343149731, 0x48e2eb71, 0xc193881f},
+ /* 188 */ {4, 0.1323698773862368, 0x4a754100, 0xb8163e97},
+ /* 189 */ {4, 0.1322359088617821, 0x4c0e0f51, 0xaed8b724},
+ /* 190 */ {4, 0.1321029160581950, 0x4dad6810, 0xa5d8f269},
+ /* 191 */ {4, 0.1319708865228925, 0x4f535d01, 0x9d15039d},
+ /* 192 */ {4, 0.1318398080287045, 0x51000000, 0x948b0fcd},
+ /* 193 */ {4, 0.1317096685686114, 0x52b36301, 0x8c394d1d},
+ /* 194 */ {4, 0.1315804563506306, 0x546d9810, 0x841e0215},
+ /* 195 */ {4, 0.1314521597928493, 0x562eb151, 0x7c3784f8},
+ /* 196 */ {4, 0.1313247675185968, 0x57f6c100, 0x74843b1e},
+ /* 197 */ {4, 0.1311982683517524, 0x59c5d971, 0x6d02985d},
+ /* 198 */ {4, 0.1310726513121843, 0x5b9c0d10, 0x65b11e6e},
+ /* 199 */ {4, 0.1309479056113158, 0x5d796e61, 0x5e8e5c64},
+ /* 200 */ {4, 0.1308240206478128, 0x5f5e1000, 0x5798ee23},
+ /* 201 */ {4, 0.1307009860033912, 0x614a04a1, 0x50cf7bde},
+ /* 202 */ {4, 0.1305787914387386, 0x633d5f10, 0x4a30b99b},
+ /* 203 */ {4, 0.1304574268895465, 0x65383231, 0x43bb66bd},
+ /* 204 */ {4, 0.1303368824626505, 0x673a9100, 0x3d6e4d94},
+ /* 205 */ {4, 0.1302171484322746, 0x69448e91, 0x374842ee},
+ /* 206 */ {4, 0.1300982152363760, 0x6b563e10, 0x314825b0},
+ /* 207 */ {4, 0.1299800734730872, 0x6d6fb2c1, 0x2b6cde75},
+ /* 208 */ {4, 0.1298627138972530, 0x6f910000, 0x25b55f2e},
+ /* 209 */ {4, 0.1297461274170591, 0x71ba3941, 0x2020a2c5},
+ /* 210 */ {4, 0.1296303050907487, 0x73eb7210, 0x1aadaccb},
+ /* 211 */ {4, 0.1295152381234257, 0x7624be11, 0x155b891f},
+ /* 212 */ {4, 0.1294009178639407, 0x78663100, 0x10294ba2},
+ /* 213 */ {4, 0.1292873358018581, 0x7aafdeb1, 0xb160fe9},
+ /* 214 */ {4, 0.1291744835645007, 0x7d01db10, 0x620f8f6},
+ /* 215 */ {4, 0.1290623529140715, 0x7f5c3a21, 0x14930ef},
+ /* 216 */ {4, 0.1289509357448472, 0x81bf1000, 0xf91bd1b6},
+ /* 217 */ {4, 0.1288402240804449, 0x842a70e1, 0xefdcb0c7},
+ /* 218 */ {4, 0.1287302100711566, 0x869e7110, 0xe6d37b2a},
+ /* 219 */ {4, 0.1286208859913518, 0x891b24f1, 0xddfeb94a},
+ /* 220 */ {4, 0.1285122442369443, 0x8ba0a100, 0xd55cff6e},
+ /* 221 */ {4, 0.1284042773229231, 0x8e2ef9d1, 0xcceced50},
+ /* 222 */ {4, 0.1282969778809442, 0x90c64410, 0xc4ad2db2},
+ /* 223 */ {4, 0.1281903386569819, 0x93669481, 0xbc9c75f9},
+ /* 224 */ {4, 0.1280843525090381, 0x96100000, 0xb4b985cf},
+ /* 225 */ {4, 0.1279790124049077, 0x98c29b81, 0xad0326c2},
+ /* 226 */ {4, 0.1278743114199984, 0x9b7e7c10, 0xa5782bef},
+ /* 227 */ {4, 0.1277702427352035, 0x9e43b6d1, 0x9e1771a9},
+ /* 228 */ {4, 0.1276667996348261, 0xa1126100, 0x96dfdd2a},
+ /* 229 */ {4, 0.1275639755045533, 0xa3ea8ff1, 0x8fd05c41},
+ /* 230 */ {4, 0.1274617638294791, 0xa6cc5910, 0x88e7e509},
+ /* 231 */ {4, 0.1273601581921740, 0xa9b7d1e1, 0x8225759d},
+ /* 232 */ {4, 0.1272591522708010, 0xacad1000, 0x7b8813d3},
+ /* 233 */ {4, 0.1271587398372755, 0xafac2921, 0x750eccf9},
+ /* 234 */ {4, 0.1270589147554692, 0xb2b53310, 0x6eb8b595},
+ /* 235 */ {4, 0.1269596709794558, 0xb5c843b1, 0x6884e923},
+ /* 236 */ {4, 0.1268610025517973, 0xb8e57100, 0x627289db},
+ /* 237 */ {4, 0.1267629036018709, 0xbc0cd111, 0x5c80c07b},
+ /* 238 */ {4, 0.1266653683442337, 0xbf3e7a10, 0x56aebc07},
+ /* 239 */ {4, 0.1265683910770258, 0xc27a8241, 0x50fbb19b},
+ /* 240 */ {4, 0.1264719661804097, 0xc5c10000, 0x4b66dc33},
+ /* 241 */ {4, 0.1263760881150453, 0xc91209c1, 0x45ef7c7c},
+ /* 242 */ {4, 0.1262807514205999, 0xcc6db610, 0x4094d8a3},
+ /* 243 */ {4, 0.1261859507142915, 0xcfd41b91, 0x3b563c24},
+ /* 244 */ {4, 0.1260916806894653, 0xd3455100, 0x3632f7a5},
+ /* 245 */ {4, 0.1259979361142023, 0xd6c16d31, 0x312a60c3},
+ /* 246 */ {4, 0.1259047118299582, 0xda488710, 0x2c3bd1f0},
+ /* 247 */ {4, 0.1258120027502338, 0xdddab5a1, 0x2766aa45},
+ /* 248 */ {4, 0.1257198038592741, 0xe1781000, 0x22aa4d5f},
+ /* 249 */ {4, 0.1256281102107963, 0xe520ad61, 0x1e06233c},
+ /* 250 */ {4, 0.1255369169267456, 0xe8d4a510, 0x19799812},
+ /* 251 */ {4, 0.1254462191960791, 0xec940e71, 0x15041c33},
+ /* 252 */ {4, 0.1253560122735751, 0xf05f0100, 0x10a523e5},
+ /* 253 */ {4, 0.1252662914786691, 0xf4359451, 0xc5c2749},
+ /* 254 */ {4, 0.1251770521943144, 0xf817e010, 0x828a237},
+ /* 255 */ {4, 0.1250882898658681, 0xfc05fc01, 0x40a1423},
+ /* 256 */ {4, 0.1250000000000000, 0x8, 0x0},
+};
+
+static size_t
+mpsizeinbase(size_t xsize, mpw* xdata, size_t base)
+{
+ size_t nbits;
+ size_t res;
+
+ if (xsize == 0)
+ return 1;
+
+ /* XXX assumes positive integer. */
+ nbits = 32 * xsize - mpmszcnt(xsize, xdata);
+ if ((base & (base-1)) == 0) { /* exact power of 2 */
+ size_t lbits = mp_bases[base].big_base;
+ res = (nbits + (lbits - 1)) / lbits;
+ } else {
+ res = (nbits * mp_bases[base].chars_per_bit_exactly) + 1;
+ }
+if (_bc_debug < -1)
+fprintf(stderr, "*** mpsizeinbase(%p[%d], %d) res %u\n", xdata, xsize, base, (unsigned)res);
+ return res;
+}
+
+/*@-boundswrite@*/
+static void myndivmod(mpw* result, size_t xsize, const mpw* xdata, size_t ysize, const mpw* ydata, register mpw* workspace)
+{
+ /* result must be xsize+1 in length */
+ /* workspace must be ysize+1 in length */
+ /* expect ydata to be normalized */
+ mpw q;
+ mpw msw = *ydata;
+ size_t qsize = xsize-ysize;
+
+ mpcopy(xsize, result+1, xdata);
+
+ if (mpge(ysize, result+1, ydata))
+ {
+ (void) mpsub(ysize, result+1, ydata);
+ *(result++) = 1;
+ }
+ else
+ *(result++) = 0;
+
+ while (qsize--)
+ {
+ q = mppndiv(result[0], result[1], msw);
+
+ *workspace = mpsetmul(ysize, workspace+1, ydata, q);
+
+ while (mplt(ysize+1, result, workspace))
+ {
+ mpsubx(ysize+1, workspace, ysize, ydata);
+ q--;
+ }
+
+ mpsub(ysize+1, result, workspace);
+ *(result++) = q;
+ }
+}
+/*@=boundswrite@*/
+
+static char *
+mpstr(char * t, size_t nt, size_t zsize, mpw* zdata, size_t zbase)
+{
+ size_t size = zsize + 1;
+ mpw* wksp = alloca((size+1) * sizeof(*wksp));
+ mpw* adata = alloca(size * sizeof(*adata));
+ mpw* bdata = alloca(size * sizeof(*bdata));
+ static char bchars[] = "0123456789abcdefghijklmnopqrstuvwxyz";
+ size_t result;
+
+if (_bc_debug < -1)
+fprintf(stderr, "*** mpstr(%p[%d], %p[%d], %d):\t", t, nt, zdata, zsize, zbase), mpprintln(stderr, zsize, zdata);
+
+ mpsetx(size, bdata, zsize, zdata);
+
+ t[nt] = '\0';
+ while (nt--) {
+ mpsetx(size, adata, size, bdata);
+if (_bc_debug < -1)
+fprintf(stderr, "*** a: %p[%d]\t", adata, size), mpprintln(stderr, size, adata);
+ mpnmod(bdata, size, adata, 1, &zbase, wksp);
+if (_bc_debug < -1)
+fprintf(stderr, "*** nmod: %p[%d]\t", bdata, size), mpprintln(stderr, size, bdata);
+ result = bdata[size-1];
+ t[nt] = bchars[result];
+ mpndivmod(bdata, size, adata, 1, &zbase, wksp);
+if (_bc_debug < -1)
+fprintf(stderr, "*** ndivmod: %p[%d]\t", bdata, size), mpprintln(stderr, size, bdata);
+ if (mpz(size, bdata))
+ break;
+ }
+ /* XXX Fill leading zeroes (if any). */
+ while (nt--)
+ t[nt] = '0';
+ return t;
+}
+
+static PyObject *
+rpmbc_format(rpmbcObject * z, size_t zbase, int withname)
+{
+ PyStringObject * so;
+ size_t i;
+ size_t nt;
+ size_t zsize;
+ mpw* zdata;
+ char * t, * te;
+ char prefix[5];
+ char * tcp = prefix;
+ int zsign;
+
+ if (z == NULL || !is_rpmbc(z)) {
+ PyErr_BadInternalCall();
+ return NULL;
+ }
+
+if (_bc_debug < -1)
+fprintf(stderr, "*** rpmbc_format(%p,%d,%d):\t", z, zbase, withname), mpprintln(stderr, z->n.size, z->n.data);
+
+ assert(zbase >= 2 && zbase <= 36);
+
+ if (withname)
+ i = strlen(initialiser_name) + 2; /* e.g. 'rpmbc(' + ')' */
+ else
+ i = 0;
+
+ zsign = mpmsbset(z->n.size, z->n.data);
+ nt = mpbitcnt(z->n.size, z->n.data);
+ if (nt == 0) {
+ zbase = 10; /* '0' in every base, right */
+ nt = 1;
+ zsize = 1;
+ zdata = &zsign;
+ } else if (zsign) {
+ *tcp++ = '-';
+ i += 1; /* space to hold '-' */
+ zsize = (nt + 31)/32;
+ zdata = alloca(zsize * sizeof(*zdata));
+ mpsetx(zsize, zdata, zsize, z->n.data + (z->n.size - zsize));
+ mpneg(zsize, zdata);
+ } else {
+ zsize = (nt + 31)/32;
+ zdata = z->n.data + (z->n.size - zsize);
+ }
+
+ nt = mpsizeinbase(zsize, zdata, zbase);
+ i += nt;
+
+ if (zbase == 16) {
+ *tcp++ = '0';
+ *tcp++ = 'x';
+ i += 2; /* space to hold '0x' */
+ } else if (zbase == 8) {
+ *tcp++ = '0';
+ i += 1; /* space to hold the extra '0' */
+ } else if (zbase > 10) {
+ *tcp++ = '0' + zbase / 10;
+ *tcp++ = '0' + zbase % 10;
+ *tcp++ = '#';
+ i += 3; /* space to hold e.g. '12#' */
+ } else if (zbase < 10) {
+ *tcp++ = '0' + zbase;
+ *tcp++ = '#';
+ i += 2; /* space to hold e.g. '6#' */
+ }
+
+ so = (PyStringObject *)PyString_FromStringAndSize((char *)0, i);
+ if (so == NULL)
+ return NULL;
+
+ /* get the beginning of the string memory and start copying things */
+ te = PyString_AS_STRING(so);
+ if (withname) {
+ te = stpcpy(te, initialiser_name);
+ *te++ = '('; /*')'*/
+ }
+
+ /* copy the already prepared prefix; e.g. sign and base indicator */
+ *tcp = '\0';
+ t = te = stpcpy(te, prefix);
+
+ (void) mpstr(te, nt, zsize, zdata, zbase);
+
+ /* Nuke leading zeroes. */
+ nt = 0;
+ while (t[nt] == '0')
+ nt++;
+ if (t[nt] == '\0') /* all zeroes special case. */
+ nt--;
+ if (nt > 0)
+ do {
+ *t = t[nt];
+ } while (*t++ != '\0');
+
+ te += strlen(te);
+
+ if (withname)
+ *te++ = /*'('*/ ')';
+ *te = '\0';
+
+ assert(te - PyString_AS_STRING(so) <= i);
+
+ if (te - PyString_AS_STRING(so) != i)
+ so->ob_size -= i - (te - PyString_AS_STRING(so));
+
+ return (PyObject *)so;
+}
+
+/**
+ * Precomputes the sliding window table for computing powers of x.
+ *
+ * Sliding Window Exponentiation, Algorithm 14.85 in "Handbook of Applied Cryptography".
+ *
+ * First of all, the table with the powers of g can be reduced by
+ * about half; the even powers don't need to be accessed or stored.
+ *
+ * Get up to K bits starting with a one, if we have that many still available.
+ *
+ * Do the number of squarings of A in the first column, then multiply by
+ * the value in column two, and finally do the number of squarings in
+ * column three.
+ *
+ * This table can be used for K=2,3,4 and can be extended.
+ *
+ *
+\verbatim
+ 0 : - | - | -
+ 1 : 1 | g1 @ 0 | 0
+ 10 : 1 | g1 @ 0 | 1
+ 11 : 2 | g3 @ 1 | 0
+ 100 : 1 | g1 @ 0 | 2
+ 101 : 3 | g5 @ 2 | 0
+ 110 : 2 | g3 @ 1 | 1
+ 111 : 3 | g7 @ 3 | 0
+ 1000 : 1 | g1 @ 0 | 3
+ 1001 : 4 | g9 @ 4 | 0
+ 1010 : 3 | g5 @ 2 | 1
+ 1011 : 4 | g11 @ 5 | 0
+ 1100 : 2 | g3 @ 1 | 2
+ 1101 : 4 | g13 @ 6 | 0
+ 1110 : 3 | g7 @ 3 | 1
+ 1111 : 4 | g15 @ 7 | 0
+\endverbatim
+ *
+ */
+static void mpnslide(const mpnumber* n, size_t xsize, const mpw* xdata,
+ size_t size, /*@out@*/ mpw* slide)
+ /*@modifies slide @*/
+{
+ size_t rsize = (xsize > size ? xsize : size);
+ mpw* result = alloca(2 * rsize * sizeof(*result));
+
+ mpsqr(result, xsize, xdata); /* x^2 temp */
+ mpsetx(size, slide, xsize+xsize, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^2:\t"), mpprintln(stderr, size, slide);
+ mpmul(result, xsize, xdata, size, slide); /* x^3 */
+ mpsetx(size, slide+size, xsize+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^3:\t"), mpprintln(stderr, size, slide+size);
+ mpmul(result, size, slide, size, slide+size); /* x^5 */
+ mpsetx(size, slide+2*size, size+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^5:\t"), mpprintln(stderr, size, slide+2*size);
+ mpmul(result, size, slide, size, slide+2*size); /* x^7 */
+ mpsetx(size, slide+3*size, size+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^7:\t"), mpprintln(stderr, size, slide+3*size);
+ mpmul(result, size, slide, size, slide+3*size); /* x^9 */
+ mpsetx(size, slide+4*size, size+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^9:\t"), mpprintln(stderr, size, slide+4*size);
+ mpmul(result, size, slide, size, slide+4*size); /* x^11 */
+ mpsetx(size, slide+5*size, size+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^11:\t"), mpprintln(stderr, size, slide+5*size);
+ mpmul(result, size, slide, size, slide+5*size); /* x^13 */
+ mpsetx(size, slide+6*size, size+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^13:\t"), mpprintln(stderr, size, slide+6*size);
+ mpmul(result, size, slide, size, slide+6*size); /* x^15 */
+ mpsetx(size, slide+7*size, size+size, result);
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^15:\t"), mpprintln(stderr, size, slide+7*size);
+ mpsetx(size, slide, xsize, xdata); /* x^1 */
+if (_bc_debug < 0)
+fprintf(stderr, "\t x^1:\t"), mpprintln(stderr, size, slide);
+}
+
+/*@observer@*/ /*@unchecked@*/
+static byte mpnslide_presq[16] =
+{ 0, 1, 1, 2, 1, 3, 2, 3, 1, 4, 3, 4, 2, 4, 3, 4 };
+
+/*@observer@*/ /*@unchecked@*/
+static byte mpnslide_mulg[16] =
+{ 0, 0, 0, 1, 0, 2, 1, 3, 0, 4, 2, 5, 1, 6, 3, 7 };
+
+/*@observer@*/ /*@unchecked@*/
+static byte mpnslide_postsq[16] =
+{ 0, 0, 1, 0, 2, 0, 1, 0, 3, 0, 1, 0, 2, 0, 1, 0 };
+
+/**
+ * Exponentiation with precomputed sliding window table.
+ */
+/*@-boundsread@*/
+static void mpnpowsld_w(mpnumber* n, size_t size, const mpw* slide,
+ size_t psize, const mpw* pdata)
+{
+ size_t rsize = (n->size > size ? n->size : size);
+ mpw* rdata = alloca(2 * rsize * sizeof(*rdata));
+ short lbits = 0;
+ short kbits = 0;
+ byte s;
+ mpw temp;
+ short count;
+
+if (_bc_debug < 0)
+fprintf(stderr, "npowsld: p\t"), mpprintln(stderr, psize, pdata);
+ /* 2. A = 1, i = t. */
+ mpzero(n->size, n->data);
+ n->data[n->size-1] = 1;
+
+ /* Find first bit set in exponent. */
+ temp = *pdata;
+ count = 8 * sizeof(temp);
+ while (count != 0) {
+ if (temp & MP_MSBMASK)
+ break;
+ temp <<= 1;
+ count--;
+ }
+
+ while (psize) {
+ while (count != 0) {
+
+ /* Shift next bit of exponent into sliding window. */
+ kbits <<= 1;
+ if (temp & MP_MSBMASK)
+ kbits++;
+
+ /* On 1st non-zero in window, try to collect K bits. */
+ if (kbits != 0) {
+ if (lbits != 0)
+ lbits++;
+ else if (temp & MP_MSBMASK)
+ lbits = 1;
+ else
+ {};
+
+ /* If window is full, then compute and clear window. */
+ if (lbits == 4) {
+if (_bc_debug < 0)
+fprintf(stderr, "*** #1 lbits %d kbits %d\n", lbits, kbits);
+ for (s = mpnslide_presq[kbits]; s > 0; s--) {
+ mpsqr(rdata, n->size, n->data);
+ mpsetx(n->size, n->data, 2*n->size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\t pre1:\t"), mpprintln(stderr, n->size, n->data);
+ }
+
+ mpmul(rdata, n->size, n->data,
+ size, slide+mpnslide_mulg[kbits]*size);
+ mpsetx(n->size, n->data, n->size+size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\t mul1:\t"), mpprintln(stderr, n->size, n->data);
+
+ for (s = mpnslide_postsq[kbits]; s > 0; s--) {
+ mpsqr(rdata, n->size, n->data);
+ mpsetx(n->size, n->data, 2*n->size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\tpost1:\t"), mpprintln(stderr, n->size, n->data);
+ }
+
+ lbits = kbits = 0;
+ }
+ } else {
+ mpsqr(rdata, n->size, n->data);
+ mpsetx(n->size, n->data, 2*n->size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\t sqr:\t"), mpprintln(stderr, n->size, n->data);
+ }
+
+ temp <<= 1;
+ count--;
+ }
+ if (--psize) {
+ count = 8 * sizeof(temp);
+ temp = *(pdata++);
+ }
+ }
+
+ if (kbits != 0) {
+if (_bc_debug < 0)
+fprintf(stderr, "*** #1 lbits %d kbits %d\n", lbits, kbits);
+ for (s = mpnslide_presq[kbits]; s > 0; s--) {
+ mpsqr(rdata, n->size, n->data);
+ mpsetx(n->size, n->data, 2*n->size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\t pre2:\t"), mpprintln(stderr, n->size, n->data);
+ }
+
+ mpmul(rdata, n->size, n->data,
+ size, slide+mpnslide_mulg[kbits]*size);
+ mpsetx(n->size, n->data, n->size+size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\t mul2:\t"), mpprintln(stderr, n->size, n->data);
+
+ for (s = mpnslide_postsq[kbits]; s > 0; s--) {
+ mpsqr(rdata, n->size, n->data);
+ mpsetx(n->size, n->data, 2*n->size, rdata);
+if (_bc_debug < 0)
+fprintf(stderr, "\tpost2:\t"), mpprintln(stderr, n->size, n->data);
+ }
+ }
+}
+/*@=boundsread@*/
+
+/**
+ * mpnpow_w
+ *
+ * Uses sliding window exponentiation; needs extra storage:
+ * if K=3, needs 4*size, if K=4, needs 8*size
+ */
+/*@-boundsread@*/
+static void mpnpow_w(mpnumber* n, size_t xsize, const mpw* xdata,
+ size_t psize, const mpw* pdata)
+{
+ size_t xbits = mpbitcnt(xsize, xdata);
+ size_t pbits = mpbitcnt(psize, pdata);
+ size_t nbits;
+ mpw *slide;
+ size_t nsize;
+ size_t size;
+
+ /* Special case: 0**P and X**(-P) */
+ if (xbits == 0 || mpmsbset(psize, pdata)) {
+ mpnsetw(n, 0);
+ return;
+ }
+ /* Special case: X**0 and 1**P */
+ if (pbits == 0 || mpisone(xsize, xdata)) {
+ mpnsetw(n, 1);
+ return;
+ }
+
+ /* Normalize (to mpw boundary) exponent. */
+ pdata += psize - ((pbits+31)/32);
+ psize -= (pbits/32);
+
+ /* Calculate size of result. */
+ if (xbits == 0) xbits = 1;
+ nbits = (*pdata) * xbits;
+ nsize = (nbits + 31)/32;
+
+ /* XXX Add 1 word to carry sign bit */
+ if (!mpmsbset(xsize, xdata) && (nbits & (32 -1)) == 0)
+ nsize++;
+
+ size = ((15 * xbits)+31)/32;
+
+if (_bc_debug < 0)
+fprintf(stderr, "*** pbits %d xbits %d nsize %d size %d\n", pbits, xbits, nsize, size);
+ mpnsize(n, nsize);
+
+ /* 1. Precompute odd powers of x (up to 2**K). */
+ slide = (mpw*) alloca( (8*size) * sizeof(mpw));
+
+ mpnslide(n, xsize, xdata, size, slide);
+
+ /*@-internalglobs -mods@*/ /* noisy */
+ mpnpowsld_w(n, size, slide, psize, pdata);
+ /*@=internalglobs =mods@*/
+
+}
+/*@=boundsread@*/
+
+/* ---------- */
+
+static void
+rpmbc_dealloc(rpmbcObject * s)
+ /*@modifies s @*/
+{
+if (_bc_debug < -1)
+fprintf(stderr, "*** rpmbc_dealloc(%p)\n", s);
+
+ mpnfree(&s->n);
+ PyObject_Del(s);
+}
+
+#ifdef DYING
+static int
+rpmbc_print(rpmbcObject * s, FILE * fp, /*@unused@*/ int flags)
+ /*@globals fileSystem @*/
+ /*@modifies fp, fileSystem @*/
+{
+if (_bc_debug < -1)
+fprintf(stderr, "*** rpmbc_print(%p)\n", s);
+ mpprint(fp, s->n.size, s->n.data);
+ return 0;
+}
+#else
+#define rpmbc_print 0
+#endif
+
+static int
+rpmbc_compare(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ int ret;
+
+ if (mpeqx(a->n.size, a->n.data, b->n.size, b->n.data))
+ ret = 0;
+ else if (mpgtx(a->n.size, a->n.data, b->n.size, b->n.data))
+ ret = 1;
+ else
+ ret = -1;
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_compare(%p[%s],%p[%s]) ret %d\n", a, lbl(a), b, lbl(b), ret);
+ return ret;
+}
+
+static PyObject *
+rpmbc_repr(rpmbcObject * a)
+ /*@*/
+{
+ PyObject * so = rpmbc_format(a, 10, 1);
+if (_bc_debug && so != NULL)
+fprintf(stderr, "*** rpmbc_repr(%p): \"%s\"\n", a, PyString_AS_STRING(so));
+ return so;
+}
+
+/** \ingroup py_c
+ */
+static PyObject *
+rpmbc_str(rpmbcObject * a)
+ /*@*/
+{
+ PyObject * so = rpmbc_format(a, 10, 0);
+if (_bc_debug && so != NULL)
+fprintf(stderr, "*** rpmbc_str(%p): \"%s\"\n", a, PyString_AS_STRING(so));
+ return so;
+}
+
+/** \ingroup py_c
+ */
+static int rpmbc_init(rpmbcObject * z, PyObject *args, PyObject *kwds)
+ /*@modifies z @*/
+{
+ PyObject * o = NULL;
+ size_t words = 0;
+ long l = 0;
+
+ if (!PyArg_ParseTuple(args, "|O:Cvt", &o)) return -1;
+
+ if (o == NULL) {
+ if (z->n.data == NULL)
+ mpnsetw(&z->n, 0);
+ } else if (PyInt_Check(o)) {
+ l = PyInt_AsLong(o);
+ words = sizeof(l)/sizeof(words);
+ } else if (PyLong_Check(o)) {
+ l = PyLong_AsLong(o);
+ words = sizeof(l)/sizeof(words);
+ } else if (PyFloat_Check(o)) {
+ double d = PyFloat_AsDouble(o);
+ /* XXX TODO: check for overflow/underflow. */
+ l = (long) (d + 0.5);
+ words = sizeof(l)/sizeof(words);
+ } else if (PyString_Check(o)) {
+ const unsigned char * hex = PyString_AsString(o);
+ /* XXX TODO: check for hex. */
+ mpnsethex(&z->n, hex);
+ } else if (is_rpmbc(o)) {
+ rpmbcObject *a = (rpmbcObject *)o;
+ mpnsize(&z->n, a->n.size);
+ if (a->n.size > 0)
+ mpsetx(z->n.size, z->n.data, a->n.size, a->n.data);
+ } else {
+ PyErr_SetString(PyExc_TypeError, "non-numeric coercion failed (rpmbc_init)");
+ return -1;
+ }
+
+ if (words > 0) {
+ mpnsize(&z->n, words);
+ switch (words) {
+ case 2:
+/*@-shiftimplementation @*/
+ z->n.data[0] = (l >> 32) & 0xffffffff;
+/*@=shiftimplementation @*/
+ z->n.data[1] = (l ) & 0xffffffff;
+ break;
+ case 1:
+ z->n.data[0] = (l ) & 0xffffffff;
+ break;
+ }
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_init(%p[%s],%p[%s],%p[%s]):\t", z, lbl(z), args, lbl(args), kwds, lbl(kwds)), mpprintln(stderr, z->n.size, z->n.data);
+
+ return 0;
+}
+
+/** \ingroup py_c
+ */
+static void rpmbc_free(/*@only@*/ rpmbcObject * s)
+ /*@modifies s @*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_free(%p[%s])\n", s, lbl(s));
+ mpnfree(&s->n);
+ PyObject_Del(s);
+}
+
+/** \ingroup py_c
+ */
+static PyObject * rpmbc_alloc(PyTypeObject * subtype, int nitems)
+ /*@*/
+{
+ PyObject * ns = PyType_GenericAlloc(subtype, nitems);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_alloc(%p[%s},%d) ret %p[%s]\n", subtype, lbl(subtype), nitems, ns, lbl(ns));
+ return (PyObject *) ns;
+}
+
+static PyObject *
+rpmbc_new(PyTypeObject * subtype, PyObject *args, PyObject *kwds)
+ /*@*/
+{
+ PyObject * ns = (PyObject *) PyObject_New(rpmbcObject, &rpmbc_Type);
+
+ if (ns != NULL)
+ mpnzero(&((rpmbcObject *)ns)->n);
+
+if (_bc_debug < -1)
+fprintf(stderr, "*** rpmbc_new(%p[%s],%p[%s],%p[%s]) ret %p[%s]\n", subtype, lbl(subtype), args, lbl(args), kwds, lbl(kwds), ns, lbl(ns));
+ return ns;
+}
+
+static rpmbcObject *
+rpmbc_New(void)
+{
+ rpmbcObject * ns = PyObject_New(rpmbcObject, &rpmbc_Type);
+
+ mpnzero(&ns->n);
+ return ns;
+}
+
+/** \ingroup py_c
+ * Convert integer to mp.
+ */
+static rpmbcObject *
+rpmbc_i2bc(PyObject * o)
+{
+ if (is_rpmbc(o)) {
+ Py_INCREF(o);
+ return (rpmbcObject *)o;
+ }
+ if (PyInt_Check(o) || PyLong_Check(o)) {
+ rpmbcObject * ns = PyObject_New(rpmbcObject, &rpmbc_Type);
+ PyObject * args = PyTuple_New(1);
+
+ mpnzero(&((rpmbcObject *)ns)->n);
+ (void) PyTuple_SetItem(args, 0, o);
+ rpmbc_init(ns, args, NULL);
+ Py_DECREF(args);
+ return ns;
+ }
+
+ PyErr_SetString(PyExc_TypeError, "number coercion (to rpmbcObject) failed");
+ return NULL;
+}
+
+/** \ingroup py_c
+ * Compute 1 argument operations.
+ */
+static PyObject *
+rpmbc_ops1(const char *fname, char op, rpmbcObject *x)
+ /*@*/
+{
+ rpmbcObject * z = rpmbc_New();
+ mpbarrett b;
+
+ mpbzero(&b);
+ if (x == NULL || z == NULL)
+ goto exit;
+
+if (_bc_debug < 0) {
+fprintf(stderr, " a %p[%d]:\t", x->n.data, x->n.size), mpprintln(stderr, x->n.size, x->n.data);
+}
+
+ switch (op) {
+ default:
+ Py_DECREF(z);
+ z = NULL;
+ goto exit;
+ /*@notreached@*/ break;
+ case '~':
+ mpninit(&z->n, x->n.size, x->n.data);
+ mpnot(z->n.size, z->n.data);
+ break;
+ case '-':
+ mpninit(&z->n, x->n.size, x->n.data);
+ mpneg(z->n.size, z->n.data);
+ break;
+ }
+
+if (_bc_debug < 0)
+fprintf(stderr, "*** rpmbc_%s %p[%d]\t", fname, z->n.data, z->n.size), mpprintln(stderr, z->n.size, z->n.data);
+
+exit:
+ mpbfree(&b);
+ Py_XDECREF(x);
+ return (PyObject *)z;
+}
+
+/** \ingroup py_c
+ * Compute 2 argument operations.
+ */
+static PyObject *
+rpmbc_ops2(const char *fname, char op, rpmbcObject *x, rpmbcObject *m)
+ /*@*/
+{
+ rpmbcObject * z = rpmbc_New();
+ mpbarrett b;
+ mpw* wksp;
+ int carry;
+
+ mpbzero(&b);
+ if (x == NULL || m == NULL || z == NULL)
+ goto exit;
+
+if (_bc_debug < 0) {
+fprintf(stderr, " a %p[%d]:\t", x->n.data, x->n.size), mpprintln(stderr, x->n.size, x->n.data);
+fprintf(stderr, " b %p[%d]:\t", m->n.data, m->n.size), mpprintln(stderr, m->n.size, m->n.data);
+}
+
+ switch (op) {
+ default:
+ Py_DECREF(z);
+ z = NULL;
+ goto exit;
+ /*@notreached@*/ break;
+ case '+':
+ mpninit(&z->n, x->n.size, x->n.data);
+ carry = mpaddx(z->n.size, z->n.data, m->n.size, m->n.data);
+ break;
+ case '-':
+ mpninit(&z->n, x->n.size, x->n.data);
+ carry = mpsubx(z->n.size, z->n.data, m->n.size, m->n.data);
+ break;
+ case '*':
+ { size_t zsize = x->n.size + m->n.size;
+ mpw* zdata = alloca(zsize * sizeof(*zdata));
+ size_t znorm;
+
+ mpmul(zdata, x->n.size, x->n.data, m->n.size, m->n.data);
+ znorm = zsize - (mpbitcnt(zsize, zdata) + 31)/32;
+ zsize -= znorm;
+ zdata += znorm;
+ mpnset(&z->n, zsize, zdata);
+ } break;
+ case '/':
+ { size_t asize = x->n.size;
+ mpw* adata = x->n.data;
+ size_t anorm = asize - (mpbitcnt(asize, adata) + 31)/32;
+ size_t bsize = m->n.size;
+ mpw* bdata = m->n.data;
+ size_t bnorm = bsize - (mpbitcnt(bsize, bdata) + 31)/32;
+ size_t zsize;
+ mpw* zdata;
+ size_t znorm;
+ mpw* wksp;
+
+ if (anorm < asize) {
+ asize -= anorm;
+ adata += anorm;
+ }
+ zsize = asize + 1;
+ zdata = alloca(zsize * sizeof(*zdata));
+ if (bnorm < bsize) {
+ bsize -= bnorm;
+ bdata += bnorm;
+ }
+ wksp = alloca((bsize+1) * sizeof(*wksp));
+
+ myndivmod(zdata, asize, adata, bsize, bdata, wksp);
+
+ zsize -= bsize;
+ znorm = mpsize(zsize, zdata);
+ if (znorm < zsize) {
+ zsize -= znorm;
+ zdata += znorm;
+ }
+
+ mpnset(&z->n, zsize, zdata);
+ } break;
+ case '%':
+ { size_t bsize = m->n.size;
+ mpw* bdata = m->n.data;
+ size_t bnorm = mpsize(bsize, bdata);
+ size_t zsize = x->n.size;
+ mpw* zdata = alloca(zsize * sizeof(*zdata));
+ mpw* wksp;
+
+ if (bnorm < bsize) {
+ bsize -= bnorm;
+ bdata += bnorm;
+ }
+ wksp = alloca((bsize+1) * sizeof(*wksp));
+
+ mpnmod(zdata, x->n.size, x->n.data, bsize, bdata, wksp);
+ mpnset(&z->n, zsize, zdata);
+ } break;
+ case '<':
+ { size_t bnorm = m->n.size - (mpbitcnt(m->n.size, m->n.data) + 31)/32;
+ size_t bsize = m->n.size - bnorm;
+ mpw* bdata = m->n.data + bnorm;
+ size_t count = 0;
+
+ if (bsize == 1)
+ count = bdata[0];
+ mpninit(&z->n, x->n.size, x->n.data);
+ mprshift(z->n.size, z->n.data, count);
+ } break;
+ case '>':
+ { size_t bnorm = m->n.size - (mpbitcnt(m->n.size, m->n.data) + 31)/32;
+ size_t bsize = m->n.size - bnorm;
+ mpw* bdata = m->n.data + bnorm;
+ size_t count = 0;
+
+ if (bsize == 1)
+ count = bdata[0];
+ mpninit(&z->n, x->n.size, x->n.data);
+ mprshift(z->n.size, z->n.data, count);
+ } break;
+ case '&':
+ if (x->n.size <= m->n.size) {
+ mpninit(&z->n, x->n.size, x->n.data);
+ mpand(z->n.size, z->n.data, m->n.data + (m->n.size - x->n.size));
+ } else {
+ mpninit(&z->n, m->n.size, m->n.data);
+ mpand(z->n.size, z->n.data, x->n.data + (x->n.size - m->n.size));
+ }
+ break;
+ case '|':
+ if (x->n.size <= m->n.size) {
+ mpninit(&z->n, x->n.size, x->n.data);
+ mpor(z->n.size, z->n.data, m->n.data + (m->n.size - x->n.size));
+ } else {
+ mpninit(&z->n, m->n.size, m->n.data);
+ mpor(z->n.size, z->n.data, x->n.data + (x->n.size - m->n.size));
+ }
+ break;
+ case '^':
+ if (x->n.size <= m->n.size) {
+ mpninit(&z->n, x->n.size, x->n.data);
+ mpxor(z->n.size, z->n.data, m->n.data + (m->n.size - x->n.size));
+ } else {
+ mpninit(&z->n, m->n.size, m->n.data);
+ mpxor(z->n.size, z->n.data, x->n.data + (x->n.size - m->n.size));
+ }
+ break;
+ case 'P':
+ mpnpow_w(&z->n, x->n.size, x->n.data, m->n.size, m->n.data);
+ break;
+ case 'G':
+ wksp = alloca((x->n.size) * sizeof(*wksp));
+ mpnsize(&z->n, m->n.size);
+ mpgcd_w(x->n.size, x->n.data, m->n.data, z->n.data, wksp);
+ break;
+ case 'I':
+ wksp = alloca(6*(m->n.size+1)*sizeof(*wksp));
+ mpbset(&b, m->n.size, m->n.data);
+ mpnsize(&z->n, m->n.size);
+ mpbinv_w(&b, x->n.size, x->n.data, z->n.data, wksp);
+ break;
+ case 'S':
+ wksp = alloca((4*m->n.size+2)*sizeof(*wksp));
+ mpbset(&b, m->n.size, m->n.data);
+ mpnsize(&z->n, m->n.size);
+ mpbsqrmod_w(&b, x->n.size, x->n.data, z->n.data, wksp);
+ break;
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_%s %p[%d]\t", fname, z->n.data, z->n.size), mpprintln(stderr, z->n.size, z->n.data);
+
+exit:
+ mpbfree(&b);
+ Py_XDECREF(x);
+ Py_XDECREF(m);
+ return (PyObject *)z;
+}
+
+/** \ingroup py_c
+ * Compute 3 argument operations.
+ */
+static PyObject *
+rpmbc_ops3(const char *fname, char op,
+ rpmbcObject *x, rpmbcObject *y, rpmbcObject *m)
+ /*@*/
+{
+ rpmbcObject * z = rpmbc_New();
+ mpbarrett b;
+ size_t zsize;
+ mpw* zdata;
+ mpw* wksp;
+
+ mpbzero(&b);
+ if (x == NULL || y == NULL || m == NULL || z == NULL)
+ goto exit;
+
+if (_bc_debug < 0) {
+fprintf(stderr, " a %p[%d]:\t", x->n.data, x->n.size), mpprintln(stderr, x->n.size, x->n.data);
+fprintf(stderr, " b %p[%d]:\t", y->n.data, y->n.size), mpprintln(stderr, y->n.size, y->n.data);
+fprintf(stderr, " c %p[%d]:\t", m->n.data, m->n.size), mpprintln(stderr, m->n.size, m->n.data);
+}
+
+ mpbset(&b, m->n.size, m->n.data);
+
+ zsize = b.size;
+ zdata = alloca(zsize * sizeof(*zdata));
+ wksp = alloca((4*zsize+2)*sizeof(*wksp));
+
+ switch (op) {
+ case '/':
+ case '%':
+ default:
+ Py_DECREF(z);
+ z = NULL;
+ goto exit;
+ /*@notreached@*/ break;
+ case '+':
+ fname = "Addm";
+ mpbaddmod_w(&b, x->n.size, x->n.data, y->n.size, y->n.data, zdata, wksp);
+ break;
+ case '-':
+ fname = "Subm";
+ mpbsubmod_w(&b, x->n.size, x->n.data, y->n.size, y->n.data, zdata, wksp);
+ break;
+ case '*':
+ fname = "Mulm";
+ mpbmulmod_w(&b, x->n.size, x->n.data, y->n.size, y->n.data, zdata, wksp);
+ break;
+ case 'P':
+ fname = "Powm";
+ mpbpowmod_w(&b, x->n.size, x->n.data, y->n.size, y->n.data, zdata, wksp);
+ break;
+ }
+
+ mpnset(&z->n, zsize, zdata);
+
+if (_bc_debug < 0)
+fprintf(stderr, "*** rpmbc_%s %p[%d]\t", fname, z->n.data, z->n.size), mpprintln(stderr, z->n.size, z->n.data);
+
+exit:
+ mpbfree(&b);
+ Py_XDECREF(x);
+ Py_XDECREF(y);
+ Py_XDECREF(m);
+ return (PyObject *)z;
+}
+
+/* ---------- */
+
+/** \ingroup py_c
+ */
+static PyObject *
+rpmbc_Debug(/*@unused@*/ rpmbcObject * s, PyObject * args)
+ /*@globals _Py_NoneStruct @*/
+ /*@modifies _Py_NoneStruct @*/
+{
+ if (!PyArg_ParseTuple(args, "i:Debug", &_bc_debug)) return NULL;
+
+if (_bc_debug < 0)
+fprintf(stderr, "*** rpmbc_Debug(%p)\n", s);
+
+ Py_INCREF(Py_None);
+ return Py_None;
+}
+
+/** \ingroup py_c
+ * Compute gcd(x, y).
+ */
+static PyObject *
+rpmbc_Gcd(rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OO:Gcd", &xo, &mo)) return NULL;
+ return rpmbc_ops2("Gcd", 'G', rpmbc_i2bc(xo), rpmbc_i2bc(mo));
+}
+
+/** \ingroup py_c
+ * Compute inverse (modulo m) of x.
+ */
+static PyObject *
+rpmbc_Invm(/*@unused@*/ rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OO:Invm", &xo, &mo)) return NULL;
+ return rpmbc_ops2("Invm", 'I', rpmbc_i2bc(xo), rpmbc_i2bc(mo));
+}
+
+/** \ingroup py_c
+ * Compute x*x (modulo m).
+ */
+static PyObject *
+rpmbc_Sqrm(rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OO:Sqrm", &xo, &mo)) return NULL;
+ return rpmbc_ops2("Sqrm", 'S', rpmbc_i2bc(xo), rpmbc_i2bc(mo));
+}
+
+/** \ingroup py_c
+ * Compute x+y (modulo m).
+ */
+static PyObject *
+rpmbc_Addm(rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * yo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OOO:Addm", &xo, &yo, &mo)) return NULL;
+ return rpmbc_ops3("Addm", '+',
+ rpmbc_i2bc(xo), rpmbc_i2bc(yo), rpmbc_i2bc(mo));
+}
+
+/** \ingroup py_c
+ * Compute x-y (modulo m).
+ */
+static PyObject *
+rpmbc_Subm(rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * yo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OOO:Subm", &xo, &yo, &mo)) return NULL;
+ return rpmbc_ops3("Subm", '-',
+ rpmbc_i2bc(xo), rpmbc_i2bc(yo), rpmbc_i2bc(mo));
+}
+
+/** \ingroup py_c
+ * Compute x*y (modulo m).
+ */
+static PyObject *
+rpmbc_Mulm(rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * yo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OOO:Mulm", &xo, &yo, &mo)) return NULL;
+ return rpmbc_ops3("Mulm", '*',
+ rpmbc_i2bc(xo), rpmbc_i2bc(yo), rpmbc_i2bc(mo));
+}
+
+/** \ingroup py_c
+ * Compute x**y (modulo m).
+ */
+static PyObject *
+rpmbc_Powm(rpmbcObject * s, PyObject * args)
+ /*@*/
+{
+ PyObject * xo, * yo, * mo;
+
+ if (!PyArg_ParseTuple(args, "OOO:Powm", &xo, &yo, &mo)) return NULL;
+ return rpmbc_ops3("Powm", 'P',
+ rpmbc_i2bc(xo), rpmbc_i2bc(yo), rpmbc_i2bc(mo));
+}
+
+/*@-fullinitblock@*/
+/*@unchecked@*/ /*@observer@*/
+static struct PyMethodDef rpmbc_methods[] = {
+ {"Debug", (PyCFunction)rpmbc_Debug, METH_VARARGS,
+ NULL},
+ {"gcd", (PyCFunction)rpmbc_Gcd, METH_VARARGS,
+ NULL},
+ {"invm", (PyCFunction)rpmbc_Invm, METH_VARARGS,
+ NULL},
+ {"sqrm", (PyCFunction)rpmbc_Sqrm, METH_VARARGS,
+ NULL},
+ {"addm", (PyCFunction)rpmbc_Addm, METH_VARARGS,
+ NULL},
+ {"subm", (PyCFunction)rpmbc_Subm, METH_VARARGS,
+ NULL},
+ {"mulm", (PyCFunction)rpmbc_Mulm, METH_VARARGS,
+ NULL},
+ {"powm", (PyCFunction)rpmbc_Powm, METH_VARARGS,
+ NULL},
+ {NULL, NULL} /* sentinel */
+};
+/*@=fullinitblock@*/
+
+static PyObject *
+rpmbc_getattr(PyObject * s, char * name)
+ /*@*/
+{
+ return Py_FindMethod(rpmbc_methods, s, name);
+}
+
+/* ---------- */
+
+static PyObject *
+rpmbc_add(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("add", '+', a, b);
+}
+
+static PyObject *
+rpmbc_subtract(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("sub", '-', a, b);
+}
+
+static PyObject *
+rpmbc_multiply(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("mul", '*', a, b);
+}
+
+static PyObject *
+rpmbc_divide(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ if (mpz(b->n.size, b->n.data)) {
+ PyErr_SetString(PyExc_ZeroDivisionError, "rpmbc_divide by zero");
+ return NULL;
+ }
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("div", '/', a, b);
+}
+
+static PyObject *
+rpmbc_remainder(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("rem", '%', a, b);
+}
+
+static PyObject *
+rpmbc_divmod(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ PyObject * z = NULL;
+ rpmbcObject * q = NULL;
+ rpmbcObject * r = NULL;
+ size_t asize = a->n.size;
+ mpw* adata = a->n.data;
+ size_t anorm = mpsize(asize, adata);
+ size_t bsize = b->n.size;
+ mpw* bdata = b->n.data;
+ size_t bnorm = mpsize(bsize, bdata);
+ size_t zsize;
+ mpw* zdata;
+ size_t znorm;
+ mpw* wksp;
+
+ if (mpz(bsize, bdata)) {
+ PyErr_SetString(PyExc_ZeroDivisionError, "rpmbc_divmod by zero");
+ return NULL;
+ }
+
+ if ((z = PyTuple_New(2)) == NULL
+ || (q = rpmbc_New()) == NULL
+ || (r = rpmbc_New()) == NULL) {
+ Py_XDECREF(z);
+ Py_XDECREF(q);
+ Py_XDECREF(r);
+ return NULL;
+ }
+
+ if (anorm < asize) {
+ asize -= anorm;
+ adata += anorm;
+ }
+ zsize = asize + 1;
+ zdata = alloca(zsize * sizeof(*zdata));
+ if (bnorm < bsize) {
+ bsize -= bnorm;
+ bdata += bnorm;
+ }
+ wksp = alloca((bsize+1) * sizeof(*wksp));
+
+ mpndivmod(zdata, asize, adata, bsize, bdata, wksp);
+
+if (_bc_debug < 0) {
+fprintf(stderr, " a %p[%d]:\t", adata, asize), mpprintln(stderr, asize, adata);
+fprintf(stderr, " b %p[%d]:\t", bdata, bsize), mpprintln(stderr, bsize, bdata);
+fprintf(stderr, " z %p[%d]:\t", zdata, zsize), mpprintln(stderr, zsize, zdata);
+}
+
+ zsize -= bsize;
+ mpnset(&r->n, bsize, zdata+zsize);
+
+ znorm = mpsize(zsize, zdata);
+ if (znorm < zsize) {
+ zsize -= znorm;
+ zdata += znorm;
+ }
+ mpnset(&q->n, zsize, zdata);
+
+if (_bc_debug) {
+fprintf(stderr, " q %p[%d]:\t", q->n.data, q->n.size), mpprintln(stderr, q->n.size, q->n.data);
+fprintf(stderr, " r %p[%d]:\t", r->n.data, r->n.size), mpprintln(stderr, r->n.size, r->n.data);
+fprintf(stderr, "*** rpmbc_divmod(%p,%p)\n", a, b);
+}
+
+ (void) PyTuple_SetItem(z, 0, (PyObject *)q);
+ (void) PyTuple_SetItem(z, 1, (PyObject *)r);
+ return (PyObject *)z;
+}
+
+static PyObject *
+rpmbc_power(rpmbcObject * a, rpmbcObject * b, rpmbcObject * c)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+#ifdef NOTYET
+ if (c != NULL) {
+ Py_INCREF(c);
+ return rpmbc_ops3("Powm", 'P', a, b, c);
+ } else
+#endif
+ return rpmbc_ops2("pow", 'P', a, b);
+}
+
+static PyObject *
+rpmbc_negative(rpmbcObject * a)
+ /*@*/
+{
+ Py_INCREF(a);
+ return rpmbc_ops1("neg", '-', a);
+}
+
+static PyObject *
+rpmbc_positive(rpmbcObject * a)
+ /*@*/
+{
+ Py_INCREF(a);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_positive(%p):\t", a), mpprintln(stderr, a->n.size, a->n.data);
+
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_absolute(rpmbcObject * a)
+ /*@*/
+{
+ rpmbcObject * z;
+
+ if (mpmsbset(a->n.size, a->n.data) == 0) {
+ Py_INCREF(a);
+ return (PyObject *)a;
+ }
+
+ if ((z = rpmbc_New()) != NULL) {
+ mpninit(&z->n, a->n.size, a->n.data);
+ mpneg(z->n.size, z->n.data);
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_absolute(%p):\t", a), mpprintln(stderr, z->n.size, z->n.data);
+
+ return (PyObject *)z;
+}
+
+static int
+rpmbc_nonzero(rpmbcObject * a)
+ /*@*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_nonzero(%p)\n", a);
+ return mpnz(a->n.size, a->n.data);
+}
+
+static PyObject *
+rpmbc_invert(rpmbcObject * a)
+ /*@*/
+{
+ Py_INCREF(a);
+ return rpmbc_ops1("not", '~', a);
+}
+
+static PyObject *
+rpmbc_lshift(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("lshift", '<', a, b);
+}
+
+static PyObject *
+rpmbc_rshift(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("rshift", '>', a, b);
+}
+
+static PyObject *
+rpmbc_and(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("and", '&', a, b);
+}
+
+static PyObject *
+rpmbc_xor(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("xor", '^', a, b);
+}
+
+static PyObject *
+rpmbc_or(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ Py_INCREF(a); Py_INCREF(b);
+ return rpmbc_ops2("or", '|', a, b);
+}
+
+static int
+rpmbc_coerce(PyObject ** pv, PyObject ** pw)
+ /*@modifies *pv, *pw @*/
+{
+ size_t words = 0;
+ long l = 0;
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_coerce(%p[%s],%p[%s])\n", pv, lbl(*pv), pw, lbl(*pw));
+
+ if (is_rpmbc(*pw)) {
+ Py_INCREF(*pw);
+ } else if (PyInt_Check(*pw)) {
+ l = PyInt_AsLong(*pw);
+ words = sizeof(l)/sizeof(words);
+ } else if (PyLong_Check(*pw)) {
+ l = PyLong_AsLong(*pw);
+ words = sizeof(l)/sizeof(words);
+ } else if (PyFloat_Check(*pw)) {
+ double d = PyFloat_AsDouble(*pw);
+ /* XXX TODO: check for overflow/underflow. */
+ l = (long) (d + 0.5);
+ words = sizeof(l)/sizeof(words);
+ } else {
+ PyErr_SetString(PyExc_TypeError, "non-numeric coercion failed (rpmbc_coerce)");
+ return 1;
+ }
+
+ if (words > 0) {
+ rpmbcObject * z = rpmbc_New();
+ mpnsize(&z->n, words);
+ switch (words) {
+ case 2:
+/*@-shiftimplementation @*/
+ z->n.data[0] = (l >> 32) & 0xffffffff;
+/*@=shiftimplementation @*/
+ z->n.data[1] = (l ) & 0xffffffff;
+ break;
+ case 1:
+ z->n.data[0] = (l ) & 0xffffffff;
+ break;
+ }
+ (*pw) = (PyObject *) z;
+ }
+
+ Py_INCREF(*pv);
+ return 0;
+}
+
+static PyObject *
+rpmbc_int(rpmbcObject * a)
+ /*@*/
+{
+ size_t anorm = a->n.size - (mpbitcnt(a->n.size, a->n.data) + 31)/32;
+ size_t asize = a->n.size - anorm;
+ mpw* adata = a->n.data + anorm;
+
+ if (asize > 1) {
+ PyErr_SetString(PyExc_ValueError, "rpmbc_int: arg too long to convert");
+ return NULL;
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_int(%p):\t%08x\n", a, (int)(asize ? adata[0] : 0));
+
+ return Py_BuildValue("i", (asize ? adata[0] : 0));
+}
+
+static PyObject *
+rpmbc_long(rpmbcObject * a)
+ /*@*/
+{
+ size_t anorm = a->n.size - (mpbitcnt(a->n.size, a->n.data) + 31)/32;
+ size_t asize = a->n.size - anorm;
+ mpw* adata = a->n.data + anorm;
+
+ if (asize > 1) {
+ PyErr_SetString(PyExc_ValueError, "rpmbc_long() arg too long to convert");
+ return NULL;
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_long(%p):\t%08lx\n", a, (long)(asize ? adata[0] : 0));
+
+ return Py_BuildValue("l", (asize ? adata[0] : 0));
+}
+
+static PyObject *
+rpmbc_float(rpmbcObject * a)
+ /*@*/
+{
+ PyObject * so = rpmbc_format(a, 10, 0);
+ char * s, * se;
+ double d;
+
+ if (so == NULL)
+ return NULL;
+ s = PyString_AS_STRING(so);
+ se = NULL;
+ d = strtod(s, &se);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_float(%p): s %p \"%s\" se %p d %g\n", a, s, s, se, d);
+ Py_DECREF(so);
+
+ return Py_BuildValue("d", d);
+}
+
+static PyObject *
+rpmbc_oct(rpmbcObject * a)
+ /*@*/
+{
+ PyObject * so = rpmbc_format(a, 8, 1);
+if (_bc_debug && so != NULL)
+fprintf(stderr, "*** rpmbc_oct(%p): \"%s\"\n", a, PyString_AS_STRING(so));
+ return so;
+}
+
+static PyObject *
+rpmbc_hex(rpmbcObject * a)
+ /*@*/
+{
+ PyObject * so = rpmbc_format(a, 16, 1);
+if (_bc_debug && so != NULL)
+fprintf(stderr, "*** rpmbc_hex(%p): \"%s\"\n", a, PyString_AS_STRING(so));
+ return so;
+}
+
+static PyObject *
+rpmbc_inplace_add(rpmbcObject * a, rpmbcObject * b)
+ /*@modifies a @*/
+{
+ int carry;
+
+ carry = mpaddx(a->n.size, a->n.data, b->n.size, b->n.data);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_add(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_subtract(rpmbcObject * a, rpmbcObject * b)
+ /*@modifies a @*/
+{
+ int carry;
+
+ carry = mpsubx(a->n.size, a->n.data, b->n.size, b->n.data);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_subtract(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_multiply(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ size_t zsize = a->n.size + b->n.size;
+ mpw* zdata = alloca(zsize * sizeof(*zdata));
+ size_t znorm;
+
+ mpmul(zdata, a->n.size, a->n.data, b->n.size, b->n.data);
+ znorm = zsize - (mpbitcnt(zsize, zdata) + 31)/32;
+ zsize -= znorm;
+ zdata += znorm;
+
+ mpnset(&a->n, zsize, zdata);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_multiply(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_divide(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ size_t asize = a->n.size;
+ mpw* adata = a->n.data;
+ size_t anorm = mpsize(asize, adata);
+ size_t bsize = b->n.size;
+ mpw* bdata = b->n.data;
+ size_t bnorm = mpsize(bsize, bdata);
+ size_t zsize;
+ mpw* zdata;
+ size_t znorm;
+ mpw* wksp;
+
+ if (anorm < asize) {
+ asize -= anorm;
+ adata += anorm;
+ }
+ zsize = asize + 1;
+ zdata = alloca(zsize * sizeof(*zdata));
+ if (bnorm < bsize) {
+ bsize -= bnorm;
+ bdata += bnorm;
+ }
+ wksp = alloca((bsize+1) * sizeof(*wksp));
+
+ mpndivmod(zdata, asize, adata, bsize, bdata, wksp);
+if (_bc_debug < 0)
+fprintf(stderr, "*** a %p[%d] b %p[%d] z %p[%d]\t", adata, asize, bdata, bsize, zdata, zsize), mpprintln(stderr, zsize, zdata);
+ zsize -= bsize;
+ znorm = mpsize(zsize, zdata);
+ if (znorm < zsize) {
+ zsize -= znorm;
+ zdata += znorm;
+ }
+ mpnset(&a->n, zsize, zdata);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_divide(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_remainder(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ size_t bsize = b->n.size;
+ mpw* bdata = b->n.data;
+ size_t bnorm = bsize - (mpbitcnt(bsize, bdata) + 31)/32;
+ size_t zsize = a->n.size;
+ mpw* zdata = alloca(zsize * sizeof(*zdata));
+ mpw* wksp;
+
+ if (bnorm < bsize) {
+ bsize -= bnorm;
+ bdata += bnorm;
+ }
+ wksp = alloca((bsize+1) * sizeof(*wksp));
+
+ mpnmod(zdata, a->n.size, a->n.data, bsize, bdata, wksp);
+ mpnset(&a->n, zsize, zdata);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_remainder(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_power(rpmbcObject * a, rpmbcObject * b, rpmbcObject * c)
+ /*@*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_power(%p,%p,%p):\t", a, b, c), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_lshift(rpmbcObject * a, rpmbcObject * b)
+ /*@modifies a @*/
+{
+ size_t bnorm = b->n.size - (mpbitcnt(b->n.size, b->n.data) + 31)/32;
+ size_t bsize = b->n.size - bnorm;
+ mpw* bdata = b->n.data + bnorm;
+ size_t count = 0;
+
+ /* XXX check shift count in range. */
+ if (bsize == 1)
+ count = bdata[0];
+ mplshift(a->n.size, a->n.data, count);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_lshift(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_rshift(rpmbcObject * a, rpmbcObject * b)
+ /*@modifies a @*/
+{
+ size_t bnorm = b->n.size - (mpbitcnt(b->n.size, b->n.data) + 31)/32;
+ size_t bsize = b->n.size - bnorm;
+ mpw* bdata = b->n.data + bnorm;
+ size_t count = 0;
+
+ /* XXX check shift count in range. */
+ if (bsize == 1)
+ count = bdata[0];
+ mprshift(a->n.size, a->n.data, count);
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_rshift(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_and(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ if (a->n.size <= b->n.size)
+ mpand(a->n.size, a->n.data, b->n.data + (b->n.size - a->n.size));
+ else {
+ memset(a->n.data, 0, (a->n.size - b->n.size) * sizeof(*a->n.data));
+ mpand(a->n.size, a->n.data + (a->n.size - b->n.size), b->n.data);
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_and(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_xor(rpmbcObject * a, rpmbcObject * b)
+{
+ if (a->n.size <= b->n.size)
+ mpxor(a->n.size, a->n.data, b->n.data + (b->n.size - a->n.size));
+ else {
+ memset(a->n.data, 0, (a->n.size - b->n.size) * sizeof(*a->n.data));
+ mpxor(a->n.size, a->n.data + (a->n.size - b->n.size), b->n.data);
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_xor(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_inplace_or(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+ if (a->n.size <= b->n.size)
+ mpor(a->n.size, a->n.data, b->n.data + (b->n.size - a->n.size));
+ else {
+ memset(a->n.data, 0, (a->n.size - b->n.size) * sizeof(*a->n.data));
+ mpor(a->n.size, a->n.data + (a->n.size - b->n.size), b->n.data);
+ }
+
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_or(%p,%p):\t", a, b), mpprintln(stderr, a->n.size, a->n.data);
+
+ Py_INCREF(a);
+ return (PyObject *)a;
+}
+
+static PyObject *
+rpmbc_floor_divide(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_floor_divide(%p,%p)\n", a, b);
+ return NULL;
+}
+
+static PyObject *
+rpmbc_true_divide(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_true_divide(%p,%p)\n", a, b);
+ return NULL;
+}
+
+static PyObject *
+rpmbc_inplace_floor_divide(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_floor_divide(%p,%p)\n", a, b);
+ return NULL;
+}
+
+static PyObject *
+rpmbc_inplace_true_divide(rpmbcObject * a, rpmbcObject * b)
+ /*@*/
+{
+if (_bc_debug)
+fprintf(stderr, "*** rpmbc_inplace_true_divide(%p,%p)\n", a, b);
+ return NULL;
+}
+
+static PyNumberMethods rpmbc_as_number = {
+ (binaryfunc) rpmbc_add, /* nb_add */
+ (binaryfunc) rpmbc_subtract, /* nb_subtract */
+ (binaryfunc) rpmbc_multiply, /* nb_multiply */
+ (binaryfunc) rpmbc_divide, /* nb_divide */
+ (binaryfunc) rpmbc_remainder, /* nb_remainder */
+ (binaryfunc) rpmbc_divmod, /* nb_divmod */
+ (ternaryfunc) rpmbc_power, /* nb_power */
+ (unaryfunc) rpmbc_negative, /* nb_negative */
+ (unaryfunc) rpmbc_positive, /* nb_positive */
+ (unaryfunc) rpmbc_absolute, /* nb_absolute */
+ (inquiry) rpmbc_nonzero, /* nb_nonzero */
+ (unaryfunc) rpmbc_invert, /* nb_invert */
+ (binaryfunc) rpmbc_lshift, /* nb_lshift */
+ (binaryfunc) rpmbc_rshift, /* nb_rshift */
+ (binaryfunc) rpmbc_and, /* nb_and */
+ (binaryfunc) rpmbc_xor, /* nb_xor */
+ (binaryfunc) rpmbc_or, /* nb_or */
+ (coercion) rpmbc_coerce, /* nb_coerce */
+
+ (unaryfunc) rpmbc_int, /* nb_int */
+ (unaryfunc) rpmbc_long, /* nb_long */
+ (unaryfunc) rpmbc_float, /* nb_float */
+ (unaryfunc) rpmbc_oct, /* nb_oct */
+ (unaryfunc) rpmbc_hex, /* nb_hex */
+
+ /* Added in release 2.0 */
+ (binaryfunc) rpmbc_inplace_add, /* nb_inplace_add */
+ (binaryfunc) rpmbc_inplace_subtract, /* nb_inplace_subtract */
+ (binaryfunc) rpmbc_inplace_multiply, /* nb_inplace_multiply */
+ (binaryfunc) rpmbc_inplace_divide, /* nb_inplace_divide */
+ (binaryfunc) rpmbc_inplace_remainder, /* nb_inplace_remainder */
+ (ternaryfunc) rpmbc_inplace_power, /* nb_inplace_power */
+ (binaryfunc) rpmbc_inplace_lshift, /* nb_inplace_lshift */
+ (binaryfunc) rpmbc_inplace_rshift, /* nb_inplace_rshift */
+ (binaryfunc) rpmbc_inplace_and, /* nb_inplace_and */
+ (binaryfunc) rpmbc_inplace_xor, /* nb_inplace_xor */
+ (binaryfunc) rpmbc_inplace_or, /* nb_inplace_or */
+
+ /* Added in release 2.2 */
+ /* The following require the Py_TPFLAGS_HAVE_CLASS flag */
+ (binaryfunc) rpmbc_floor_divide, /* nb_floor_divide */
+ (binaryfunc) rpmbc_true_divide, /* nb_true_divide */
+ (binaryfunc) rpmbc_inplace_floor_divide,/* nb_inplace_floor_divide */
+ (binaryfunc) rpmbc_inplace_true_divide /* nb_inplace_true_divide */
+
+};
+
+/* ---------- */
+
+/**
+ */
+/*@unchecked@*/ /*@observer@*/
+static char rpmbc_doc[] =
+"";
+
+/*@-fullinitblock@*/
+PyTypeObject rpmbc_Type = {
+ PyObject_HEAD_INIT(&PyType_Type)
+ 0, /* ob_size */
+ "rpm.bc", /* tp_name */
+ sizeof(rpmbcObject), /* tp_basicsize */
+ 0, /* tp_itemsize */
+ /* methods */
+ (destructor) rpmbc_dealloc, /* tp_dealloc */
+ (printfunc) rpmbc_print, /* tp_print */
+ (getattrfunc) rpmbc_getattr, /* tp_getattr */
+ (setattrfunc) 0, /* tp_setattr */
+ (cmpfunc) rpmbc_compare, /* tp_compare */
+ (reprfunc) rpmbc_repr, /* tp_repr */
+ &rpmbc_as_number, /* tp_as_number */
+ 0, /* tp_as_sequence */
+ 0, /* tp_as_mapping */
+ (hashfunc) 0, /* tp_hash */
+ (ternaryfunc) 0, /* tp_call */
+ (reprfunc) rpmbc_str, /* tp_str */
+ 0, /* tp_getattro */
+ 0, /* tp_setattro */
+ 0, /* tp_as_buffer */
+ Py_TPFLAGS_DEFAULT, /* tp_flags */
+ rpmbc_doc, /* tp_doc */
+#if Py_TPFLAGS_HAVE_ITER
+ 0, /* tp_traverse */
+ 0, /* tp_clear */
+ 0, /* tp_richcompare */
+ 0, /* tp_weaklistoffset */
+ (getiterfunc) 0, /* tp_iter */
+ (iternextfunc) 0, /* tp_iternext */
+ rpmbc_methods, /* tp_methods */
+ 0, /* tp_members */
+ 0, /* tp_getset */
+ 0, /* tp_base */
+ 0, /* tp_dict */
+ 0, /* tp_descr_get */
+ 0, /* tp_descr_set */
+ 0, /* tp_dictoffset */
+ (initproc) rpmbc_init, /* tp_init */
+ (allocfunc) rpmbc_alloc, /* tp_alloc */
+ (newfunc) rpmbc_new, /* tp_new */
+ (destructor) rpmbc_free, /* tp_free */
+ 0, /* tp_is_gc */
+#endif
+};
+/*@=fullinitblock@*/
+
+/* ---------- */
projects / tools / librpm-tizen.git / commitdiff