+++ /dev/null
-/* -*-c-*-
- *
- * $Id: mpx-test.c,v 1.2 1999/11/17 18:05:20 mdw Exp $
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <mLib/alloc.h>
-#include <mLib/dstr.h>
-#include <mLib/quis.h>
-#include <mLib/testrig.h>
-
-#include "mpx.h"
-#include "mpscan.h"
-
-#define ALLOC(v, vl, sz) do { \
- size_t _sz = (sz); \
- mpw *_vv = xmalloc(MPWS(_sz)); \
- mpw *_vvl = _vv + _sz; \
- (v) = _vv; \
- (vl) = _vvl; \
-} while (0)
-
-#define LOAD(v, vl, d) do { \
- const dstr *_d = (d); \
- mpw *_v, *_vl; \
- ALLOC(_v, _vl, MPW_RQ(_d->len)); \
- mpx_loadb(_v, _vl, _d->buf, _d->len); \
- (v) = _v; \
- (vl) = _vl; \
-} while (0)
-
-#define MAX(x, y) ((x) > (y) ? (x) : (y))
-
-static void dumpbits(const char *msg, const void *pp, size_t sz)
-{
- const octet *p = pp;
- fputs(msg, stderr);
- for (; sz; sz--)
- fprintf(stderr, " %02x", *p++);
- fputc('\n', stderr);
-}
-
-static void dumpmp(const char *msg, const mpw *v, const mpw *vl)
-{
- fputs(msg, stderr);
- MPX_SHRINK(v, vl);
- while (v < vl)
- fprintf(stderr, " %08lx", (unsigned long)*--vl);
- fputc('\n', stderr);
-}
-
-static int chkscan(const mpw *v, const mpw *vl,
- const void *pp, size_t sz, int step)
-{
- mpscan mps;
- const octet *p = pp;
- unsigned bit = 0;
- int ok = 1;
-
- mpscan_initx(&mps, v, vl);
- while (sz) {
- unsigned x = *p;
- int i;
- p += step;
- for (i = 0; i < 8 && MPSCAN_STEP(&mps); i++) {
- if (MPSCAN_BIT(&mps) != (x & 1)) {
- fprintf(stderr,
- "\n*** error, step %i, bit %u, expected %u, found %u\n",
- step, bit, x & 1, MPSCAN_BIT(&mps));
- ok = 0;
- }
- x >>= 1;
- bit++;
- }
- sz--;
- }
-
- return (ok);
-}
-
-static int loadstore(dstr *v)
-{
- dstr d = DSTR_INIT;
- size_t sz = MPW_RQ(v->len) * 2, diff;
- mpw *m, *ml;
- int ok = 1;
-
- dstr_ensure(&d, v->len);
- m = xmalloc(MPWS(sz));
-
- for (diff = 0; diff < sz; diff += 5) {
- size_t oct;
-
- ml = m + sz - diff;
-
- mpx_loadl(m, ml, v->buf, v->len);
- if (!chkscan(m, ml, v->buf, v->len, +1))
- ok = 0;
- MPX_OCTETS(oct, m, ml);
- mpx_storel(m, ml, d.buf, d.sz);
- if (memcmp(d.buf, v->buf, oct) != 0) {
- dumpbits("\n*** storel failed", d.buf, d.sz);
- ok = 0;
- }
-
- mpx_loadb(m, ml, v->buf, v->len);
- if (!chkscan(m, ml, v->buf + v->len - 1, v->len, -1))
- ok = 0;
- MPX_OCTETS(oct, m, ml);
- mpx_storeb(m, ml, d.buf, d.sz);
- if (memcmp(d.buf + d.sz - oct, v->buf + v->len - oct, oct) != 0) {
- dumpbits("\n*** storeb failed", d.buf, d.sz);
- ok = 0;
- }
- }
-
- if (!ok)
- dumpbits("input data", v->buf, v->len);
-
- free(m);
- dstr_destroy(&d);
- return (ok);
-}
-
-static int lsl(dstr *v)
-{
- mpw *a, *al;
- int n = *(int *)v[1].buf;
- mpw *c, *cl;
- mpw *d, *dl;
- int ok = 1;
-
- LOAD(a, al, &v[0]);
- LOAD(c, cl, &v[2]);
- ALLOC(d, dl, al - a + (n + MPW_BITS - 1) / MPW_BITS);
-
- mpx_lsl(d, dl, a, al, n);
- if (MPX_UCMP(d, dl, !=, c, cl)) {
- fprintf(stderr, "\n*** lsl(%i) failed\n", n);
- dumpmp(" a", a, al);
- dumpmp("expected", c, cl);
- dumpmp(" result", d, dl);
- ok = 0;
- }
-
- free(a); free(c); free(d);
- return (ok);
-}
-
-static int lsr(dstr *v)
-{
- mpw *a, *al;
- int n = *(int *)v[1].buf;
- mpw *c, *cl;
- mpw *d, *dl;
- int ok = 1;
-
- LOAD(a, al, &v[0]);
- LOAD(c, cl, &v[2]);
- ALLOC(d, dl, al - a + (n + MPW_BITS - 1) / MPW_BITS + 1);
-
- mpx_lsr(d, dl, a, al, n);
- if (MPX_UCMP(d, dl, !=, c, cl)) {
- fprintf(stderr, "\n*** lsr(%i) failed\n", n);
- dumpmp(" a", a, al);
- dumpmp("expected", c, cl);
- dumpmp(" result", d, dl);
- ok = 0;
- }
-
- free(a); free(c); free(d);
- return (ok);
-}
-
-static int uadd(dstr *v)
-{
- mpw *a, *al;
- mpw *b, *bl;
- mpw *c, *cl;
- mpw *d, *dl;
- int ok = 1;
-
- LOAD(a, al, &v[0]);
- LOAD(b, bl, &v[1]);
- LOAD(c, cl, &v[2]);
- ALLOC(d, dl, MAX(al - a, bl - b) + 1);
-
- mpx_uadd(d, dl, a, al, b, bl);
- if (MPX_UCMP(d, dl, !=, c, cl)) {
- fprintf(stderr, "\n*** uadd failed\n");
- dumpmp(" a", a, al);
- dumpmp(" b", b, bl);
- dumpmp("expected", c, cl);
- dumpmp(" result", d, dl);
- ok = 0;
- }
-
- free(a); free(b); free(c); free(d);
- return (ok);
-}
-
-static int usub(dstr *v)
-{
- mpw *a, *al;
- mpw *b, *bl;
- mpw *c, *cl;
- mpw *d, *dl;
- int ok = 1;
-
- LOAD(a, al, &v[0]);
- LOAD(b, bl, &v[1]);
- LOAD(c, cl, &v[2]);
- ALLOC(d, dl, al - a);
-
- mpx_usub(d, dl, a, al, b, bl);
- if (MPX_UCMP(d, dl, !=, c, cl)) {
- fprintf(stderr, "\n*** usub failed\n");
- dumpmp(" a", a, al);
- dumpmp(" b", b, bl);
- dumpmp("expected", c, cl);
- dumpmp(" result", d, dl);
- ok = 0;
- }
-
- free(a); free(b); free(c); free(d);
- return (ok);
-}
-
-static int umul(dstr *v)
-{
- mpw *a, *al;
- mpw *b, *bl;
- mpw *c, *cl;
- mpw *d, *dl;
- int ok = 1;
-
- LOAD(a, al, &v[0]);
- LOAD(b, bl, &v[1]);
- LOAD(c, cl, &v[2]);
- ALLOC(d, dl, (al - a) + (bl - b));
-
- mpx_umul(d, dl, a, al, b, bl);
- if (MPX_UCMP(d, dl, !=, c, cl)) {
- fprintf(stderr, "\n*** umul failed\n");
- dumpmp(" a", a, al);
- dumpmp(" b", b, bl);
- dumpmp("expected", c, cl);
- dumpmp(" result", d, dl);
- ok = 0;
- }
-
- free(a); free(b); free(c); free(d);
- return (ok);
-}
-
-static int usqr(dstr *v)
-{
- mpw *a, *al;
- mpw *c, *cl;
- mpw *d, *dl;
- int ok = 1;
-
- LOAD(a, al, &v[0]);
- LOAD(c, cl, &v[1]);
- ALLOC(d, dl, 2 * (al - a));
-
- mpx_usqr(d, dl, a, al);
- if (MPX_UCMP(d, dl, !=, c, cl)) {
- fprintf(stderr, "\n*** usqr failed\n");
- dumpmp(" a", a, al);
- dumpmp("expected", c, cl);
- dumpmp(" result", d, dl);
- ok = 0;
- }
-
- free(a); free(c); free(d);
- return (ok);
-}
-
-static int udiv(dstr *v)
-{
- mpw *a, *al;
- mpw *b, *bl;
- mpw *q, *ql;
- mpw *r, *rl;
- mpw *qq, *qql;
- mpw *s, *sl;
- int ok = 1;
-
- ALLOC(a, al, MPW_RQ(v[0].len) + 2); mpx_loadb(a, al, v[0].buf, v[0].len);
- LOAD(b, bl, &v[1]);
- LOAD(q, ql, &v[2]);
- LOAD(r, rl, &v[3]);
- ALLOC(qq, qql, al - a);
- ALLOC(s, sl, (bl - b) + 1);
-
- mpx_udiv(qq, qql, a, al, b, bl, s, sl);
- if (MPX_UCMP(qq, qql, !=, q, ql) ||
- MPX_UCMP(a, al, !=, r, rl)) {
- fprintf(stderr, "\n*** udiv failed\n");
- dumpmp(" divisor", b, bl);
- dumpmp("expect r", r, rl);
- dumpmp("result r", a, al);
- dumpmp("expect q", q, ql);
- dumpmp("result q", qq, qql);
- ok = 0;
- }
-
- free(a); free(b); free(r); free(q); free(s); free(qq);
- return (ok);
-}
-
-static test_chunk defs[] = {
- { "load-store", loadstore, { &type_hex, 0 } },
- { "lsl", lsl, { &type_hex, &type_int, &type_hex, 0 } },
- { "lsr", lsr, { &type_hex, &type_int, &type_hex, 0 } },
- { "uadd", uadd, { &type_hex, &type_hex, &type_hex, 0 } },
- { "usub", usub, { &type_hex, &type_hex, &type_hex, 0 } },
- { "umul", umul, { &type_hex, &type_hex, &type_hex, 0 } },
- { "usqr", usqr, { &type_hex, &type_hex, 0 } },
- { "udiv", udiv, { &type_hex, &type_hex, &type_hex, &type_hex, 0 } },
- { 0, 0, { 0 } }
-};
-
-int main(int argc, char *argv[])
-{
- test_run(argc, argv, defs, SRCDIR"/tests/mpx");
- return (0);
-}