| 1 | /* -*-c-*- |
| 2 | * |
| 3 | * $Id: mpx-test.c,v 1.1 1999/11/13 01:50:04 mdw Exp $ |
| 4 | */ |
| 5 | |
| 6 | #include <stdio.h> |
| 7 | #include <stdlib.h> |
| 8 | #include <string.h> |
| 9 | |
| 10 | #include <mLib/alloc.h> |
| 11 | #include <mLib/dstr.h> |
| 12 | #include <mLib/quis.h> |
| 13 | #include <mLib/testrig.h> |
| 14 | |
| 15 | #include "mpx.h" |
| 16 | #include "mpscan.h" |
| 17 | |
| 18 | #define ALLOC(v, vl, sz) do { \ |
| 19 | size_t _sz = (sz); \ |
| 20 | mpw *_vv = xmalloc(MPWS(_sz)); \ |
| 21 | mpw *_vvl = _vv + _sz; \ |
| 22 | (v) = _vv; \ |
| 23 | (vl) = _vvl; \ |
| 24 | } while (0) |
| 25 | |
| 26 | #define LOAD(v, vl, d) do { \ |
| 27 | const dstr *_d = (d); \ |
| 28 | mpw *_v, *_vl; \ |
| 29 | ALLOC(_v, _vl, MPW_RQ(_d->len)); \ |
| 30 | mpx_loadb(_v, _vl, _d->buf, _d->len); \ |
| 31 | (v) = _v; \ |
| 32 | (vl) = _vl; \ |
| 33 | } while (0) |
| 34 | |
| 35 | #define MAX(x, y) ((x) > (y) ? (x) : (y)) |
| 36 | |
| 37 | static void dumpbits(const char *msg, const void *pp, size_t sz) |
| 38 | { |
| 39 | const octet *p = pp; |
| 40 | fputs(msg, stderr); |
| 41 | for (; sz; sz--) |
| 42 | fprintf(stderr, " %02x", *p++); |
| 43 | fputc('\n', stderr); |
| 44 | } |
| 45 | |
| 46 | static void dumpmp(const char *msg, const mpw *v, const mpw *vl) |
| 47 | { |
| 48 | fputs(msg, stderr); |
| 49 | MPX_SHRINK(v, vl); |
| 50 | while (v < vl) |
| 51 | fprintf(stderr, " %08lx", (unsigned long)*--vl); |
| 52 | fputc('\n', stderr); |
| 53 | } |
| 54 | |
| 55 | static int chkscan(const mpw *v, const mpw *vl, |
| 56 | const void *pp, size_t sz, int step) |
| 57 | { |
| 58 | mpscan mps; |
| 59 | const octet *p = pp; |
| 60 | unsigned bit = 0; |
| 61 | int ok = 1; |
| 62 | |
| 63 | mpscan_initx(&mps, v, vl); |
| 64 | while (sz) { |
| 65 | unsigned x = *p; |
| 66 | int i; |
| 67 | p += step; |
| 68 | for (i = 0; i < 8 && MPSCAN_STEP(&mps); i++) { |
| 69 | if (MPSCAN_BIT(&mps) != (x & 1)) { |
| 70 | fprintf(stderr, |
| 71 | "\n*** error, step %i, bit %u, expected %u, found %u\n", |
| 72 | step, bit, x & 1, MPSCAN_BIT(&mps)); |
| 73 | ok = 0; |
| 74 | } |
| 75 | x >>= 1; |
| 76 | bit++; |
| 77 | } |
| 78 | sz--; |
| 79 | } |
| 80 | |
| 81 | return (ok); |
| 82 | } |
| 83 | |
| 84 | static int loadstore(dstr *v) |
| 85 | { |
| 86 | dstr d = DSTR_INIT; |
| 87 | size_t sz = MPW_RQ(v->len) * 2, diff; |
| 88 | mpw *m, *ml; |
| 89 | int ok = 1; |
| 90 | |
| 91 | dstr_ensure(&d, v->len); |
| 92 | m = xmalloc(MPWS(sz)); |
| 93 | |
| 94 | for (diff = 0; diff < sz; diff += 5) { |
| 95 | size_t oct; |
| 96 | |
| 97 | ml = m + sz - diff; |
| 98 | |
| 99 | mpx_loadl(m, ml, v->buf, v->len); |
| 100 | if (!chkscan(m, ml, v->buf, v->len, +1)) |
| 101 | ok = 0; |
| 102 | MPX_OCTETS(oct, m, ml); |
| 103 | mpx_storel(m, ml, d.buf, d.sz); |
| 104 | if (memcmp(d.buf, v->buf, oct) != 0) { |
| 105 | dumpbits("\n*** storel failed", d.buf, d.sz); |
| 106 | ok = 0; |
| 107 | } |
| 108 | |
| 109 | mpx_loadb(m, ml, v->buf, v->len); |
| 110 | if (!chkscan(m, ml, v->buf + v->len - 1, v->len, -1)) |
| 111 | ok = 0; |
| 112 | MPX_OCTETS(oct, m, ml); |
| 113 | mpx_storeb(m, ml, d.buf, d.sz); |
| 114 | if (memcmp(d.buf + d.sz - oct, v->buf + v->len - oct, oct) != 0) { |
| 115 | dumpbits("\n*** storeb failed", d.buf, d.sz); |
| 116 | ok = 0; |
| 117 | } |
| 118 | } |
| 119 | |
| 120 | if (!ok) |
| 121 | dumpbits("input data", v->buf, v->len); |
| 122 | |
| 123 | free(m); |
| 124 | dstr_destroy(&d); |
| 125 | return (ok); |
| 126 | } |
| 127 | |
| 128 | static int lsl(dstr *v) |
| 129 | { |
| 130 | mpw *a, *al; |
| 131 | int n = *(int *)v[1].buf; |
| 132 | mpw *c, *cl; |
| 133 | mpw *d, *dl; |
| 134 | int ok = 1; |
| 135 | |
| 136 | LOAD(a, al, &v[0]); |
| 137 | LOAD(c, cl, &v[2]); |
| 138 | ALLOC(d, dl, al - a + (n + MPW_BITS - 1) / MPW_BITS); |
| 139 | |
| 140 | mpx_lsl(d, dl, a, al, n); |
| 141 | if (MPX_UCMP(d, dl, !=, c, cl)) { |
| 142 | fprintf(stderr, "\n*** lsl(%i) failed\n", n); |
| 143 | dumpmp(" a", a, al); |
| 144 | dumpmp("expected", c, cl); |
| 145 | dumpmp(" result", d, dl); |
| 146 | ok = 0; |
| 147 | } |
| 148 | |
| 149 | free(a); free(c); free(d); |
| 150 | return (ok); |
| 151 | } |
| 152 | |
| 153 | static int lsr(dstr *v) |
| 154 | { |
| 155 | mpw *a, *al; |
| 156 | int n = *(int *)v[1].buf; |
| 157 | mpw *c, *cl; |
| 158 | mpw *d, *dl; |
| 159 | int ok = 1; |
| 160 | |
| 161 | LOAD(a, al, &v[0]); |
| 162 | LOAD(c, cl, &v[2]); |
| 163 | ALLOC(d, dl, al - a + (n + MPW_BITS - 1) / MPW_BITS + 1); |
| 164 | |
| 165 | mpx_lsr(d, dl, a, al, n); |
| 166 | if (MPX_UCMP(d, dl, !=, c, cl)) { |
| 167 | fprintf(stderr, "\n*** lsr(%i) failed\n", n); |
| 168 | dumpmp(" a", a, al); |
| 169 | dumpmp("expected", c, cl); |
| 170 | dumpmp(" result", d, dl); |
| 171 | ok = 0; |
| 172 | } |
| 173 | |
| 174 | free(a); free(c); free(d); |
| 175 | return (ok); |
| 176 | } |
| 177 | |
| 178 | static int uadd(dstr *v) |
| 179 | { |
| 180 | mpw *a, *al; |
| 181 | mpw *b, *bl; |
| 182 | mpw *c, *cl; |
| 183 | mpw *d, *dl; |
| 184 | int ok = 1; |
| 185 | |
| 186 | LOAD(a, al, &v[0]); |
| 187 | LOAD(b, bl, &v[1]); |
| 188 | LOAD(c, cl, &v[2]); |
| 189 | ALLOC(d, dl, MAX(al - a, bl - b) + 1); |
| 190 | |
| 191 | mpx_uadd(d, dl, a, al, b, bl); |
| 192 | if (MPX_UCMP(d, dl, !=, c, cl)) { |
| 193 | fprintf(stderr, "\n*** uadd failed\n"); |
| 194 | dumpmp(" a", a, al); |
| 195 | dumpmp(" b", b, bl); |
| 196 | dumpmp("expected", c, cl); |
| 197 | dumpmp(" result", d, dl); |
| 198 | ok = 0; |
| 199 | } |
| 200 | |
| 201 | free(a); free(b); free(c); free(d); |
| 202 | return (ok); |
| 203 | } |
| 204 | |
| 205 | static int usub(dstr *v) |
| 206 | { |
| 207 | mpw *a, *al; |
| 208 | mpw *b, *bl; |
| 209 | mpw *c, *cl; |
| 210 | mpw *d, *dl; |
| 211 | int ok = 1; |
| 212 | |
| 213 | LOAD(a, al, &v[0]); |
| 214 | LOAD(b, bl, &v[1]); |
| 215 | LOAD(c, cl, &v[2]); |
| 216 | ALLOC(d, dl, al - a); |
| 217 | |
| 218 | mpx_usub(d, dl, a, al, b, bl); |
| 219 | if (MPX_UCMP(d, dl, !=, c, cl)) { |
| 220 | fprintf(stderr, "\n*** usub failed\n"); |
| 221 | dumpmp(" a", a, al); |
| 222 | dumpmp(" b", b, bl); |
| 223 | dumpmp("expected", c, cl); |
| 224 | dumpmp(" result", d, dl); |
| 225 | ok = 0; |
| 226 | } |
| 227 | |
| 228 | free(a); free(b); free(c); free(d); |
| 229 | return (ok); |
| 230 | } |
| 231 | |
| 232 | static int umul(dstr *v) |
| 233 | { |
| 234 | mpw *a, *al; |
| 235 | mpw *b, *bl; |
| 236 | mpw *c, *cl; |
| 237 | mpw *d, *dl; |
| 238 | int ok = 1; |
| 239 | |
| 240 | LOAD(a, al, &v[0]); |
| 241 | LOAD(b, bl, &v[1]); |
| 242 | LOAD(c, cl, &v[2]); |
| 243 | ALLOC(d, dl, (al - a) + (bl - b)); |
| 244 | |
| 245 | mpx_umul(d, dl, a, al, b, bl); |
| 246 | if (MPX_UCMP(d, dl, !=, c, cl)) { |
| 247 | fprintf(stderr, "\n*** umul failed\n"); |
| 248 | dumpmp(" a", a, al); |
| 249 | dumpmp(" b", b, bl); |
| 250 | dumpmp("expected", c, cl); |
| 251 | dumpmp(" result", d, dl); |
| 252 | ok = 0; |
| 253 | } |
| 254 | |
| 255 | free(a); free(b); free(c); free(d); |
| 256 | return (ok); |
| 257 | } |
| 258 | |
| 259 | static int usqr(dstr *v) |
| 260 | { |
| 261 | mpw *a, *al; |
| 262 | mpw *c, *cl; |
| 263 | mpw *d, *dl; |
| 264 | int ok = 1; |
| 265 | |
| 266 | LOAD(a, al, &v[0]); |
| 267 | LOAD(c, cl, &v[1]); |
| 268 | ALLOC(d, dl, 2 * (al - a)); |
| 269 | |
| 270 | mpx_usqr(d, dl, a, al); |
| 271 | if (MPX_UCMP(d, dl, !=, c, cl)) { |
| 272 | fprintf(stderr, "\n*** usqr failed\n"); |
| 273 | dumpmp(" a", a, al); |
| 274 | dumpmp("expected", c, cl); |
| 275 | dumpmp(" result", d, dl); |
| 276 | ok = 0; |
| 277 | } |
| 278 | |
| 279 | free(a); free(c); free(d); |
| 280 | return (ok); |
| 281 | } |
| 282 | |
| 283 | static int udiv(dstr *v) |
| 284 | { |
| 285 | mpw *a, *al; |
| 286 | mpw *b, *bl; |
| 287 | mpw *q, *ql; |
| 288 | mpw *r, *rl; |
| 289 | mpw *qq, *qql; |
| 290 | mpw *s, *sl; |
| 291 | int ok = 1; |
| 292 | |
| 293 | ALLOC(a, al, MPW_RQ(v[0].len) + 2); mpx_loadb(a, al, v[0].buf, v[0].len); |
| 294 | LOAD(b, bl, &v[1]); |
| 295 | LOAD(q, ql, &v[2]); |
| 296 | LOAD(r, rl, &v[3]); |
| 297 | ALLOC(qq, qql, al - a); |
| 298 | ALLOC(s, sl, 2 * (bl - b) + 2); |
| 299 | |
| 300 | mpx_udiv(qq, qql, a, al, b, bl, s, sl); |
| 301 | if (MPX_UCMP(qq, qql, !=, q, ql) || |
| 302 | MPX_UCMP(a, al, !=, r, rl)) { |
| 303 | fprintf(stderr, "\n*** udiv failed\n"); |
| 304 | dumpmp(" divisor", b, bl); |
| 305 | dumpmp("expect r", r, rl); |
| 306 | dumpmp("result r", a, al); |
| 307 | dumpmp("expect q", q, ql); |
| 308 | dumpmp("result q", qq, qql); |
| 309 | ok = 0; |
| 310 | } |
| 311 | |
| 312 | free(a); free(b); free(r); free(q); free(s); free(qq); |
| 313 | return (ok); |
| 314 | } |
| 315 | |
| 316 | static test_chunk defs[] = { |
| 317 | { "load-store", loadstore, { &type_hex, 0 } }, |
| 318 | { "lsl", lsl, { &type_hex, &type_int, &type_hex, 0 } }, |
| 319 | { "lsr", lsr, { &type_hex, &type_int, &type_hex, 0 } }, |
| 320 | { "uadd", uadd, { &type_hex, &type_hex, &type_hex, 0 } }, |
| 321 | { "usub", usub, { &type_hex, &type_hex, &type_hex, 0 } }, |
| 322 | { "umul", umul, { &type_hex, &type_hex, &type_hex, 0 } }, |
| 323 | { "usqr", usqr, { &type_hex, &type_hex, 0 } }, |
| 324 | { "udiv", udiv, { &type_hex, &type_hex, &type_hex, &type_hex, 0 } }, |
| 325 | { 0, 0, { 0 } } |
| 326 | }; |
| 327 | |
| 328 | int main(int argc, char *argv[]) |
| 329 | { |
| 330 | test_run(argc, argv, defs, SRCDIR"/tests/mpx"); |
| 331 | return (0); |
| 332 | } |