ref: 609a50524392cc78be662845085f1e316bfd4668
dir: /sys/src/libmp/ntest.c/
/*
tests missing for:
mpint* strtomp(char *buf, char **rptr, int base, mpint *b)
char* mptoa(mpint *b, int base, char *buf, int blen)
mpint* betomp(uchar *buf, uint blen, mpint *b)
int mptobe(mpint *b, uchar *buf, uint blen, uchar **bufp)
void mptober(mpint *b, uchar *buf, int blen)
mpint* letomp(uchar *buf, uint blen, mpint *b)
int mptole(mpint *b, uchar *buf, uint blen, uchar **bufp)
void mptolel(mpint *b, uchar *buf, int blen)
uint mptoui(mpint*)
mpint* uitomp(uint, mpint*)
int mptoi(mpint*)
mpint* itomp(int, mpint*)
mpint* vtomp(vlong, mpint*)
vlong mptov(mpint*)
mpint* uvtomp(uvlong, mpint*)
uvlong mptouv(mpint*)
mpint* dtomp(double, mpint*)
double mptod(mpint*)
void mpexp(mpint *b, mpint *e, mpint *m, mpint *res)
void mpmod(mpint *b, mpint *m, mpint *remainder)
void mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum)
void mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff)
void mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod)
void mpsel(int s, mpint *b1, mpint *b2, mpint *res)
void mpextendedgcd(mpint *a, mpint *b, mpint *d, mpint *x, mpint *y)
void mpinvert(mpint *b, mpint *m, mpint *res)
void mpdigdiv(mpdigit *dividend, mpdigit divisor, mpdigit *quotient)
void mpvecadd(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *sum)
void mpvecsub(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *diff)
void mpvecdigmuladd(mpdigit *b, int n, mpdigit m, mpdigit *p)
int mpvecdigmulsub(mpdigit *b, int n, mpdigit m, mpdigit *p)
void mpvecmul(mpdigit *a, int alen, mpdigit *b, int blen,mpdigit *p)
int mpveccmp(mpdigit *a, int alen, mpdigit *b, int blen)
*/
#include <u.h>
#include <libc.h>
#include <mp.h>
#include <libsec.h>
typedef struct ldint ldint;
struct ldint {
int n;
u8int *b;
};
ldint _ldzero = {1, (u8int*)"\0"};
ldint _ldone = {2, (u8int*)"\1\0"};
ldint *ldzero = &_ldzero;
ldint *ldone = &_ldone;
static int
ldget(ldint *a, int n)
{
if(n < 0) return 0;
if(n >= a->n) return a->b[a->n - 1]&1;
return a->b[n]&1;
}
static void
ldbits(ldint *a, int n)
{
a->b = realloc(a->b, n);
a->n = n;
}
static ldint *
ldnorm(ldint *a)
{
int i;
if(a->n > 0){
for(i = a->n - 2; i >= 0; i--)
if(a->b[i] != a->b[a->n-1])
break;
ldbits(a, i + 2);
}else{
ldbits(a, 1);
a->b[0] = 0;
}
return a;
}
static void
ldneg(ldint *a)
{
int i, c;
c = 1;
for(i = 0; i < a->n; i++){
c += 1 ^ a->b[i] & 1;
a->b[i] = c & 1;
c >>= 1;
}
if(c != a->b[a->n - 1]){
ldbits(a, a->n + 1);
a->b[a->n - 1] = c;
}
}
static int
max(int a, int b)
{
return a>b? a : b;
}
static ldint *
ldnew(int n)
{
ldint *a;
a = malloc(sizeof(ldint));
if(n <= 0) n = 1;
a->b = malloc(n);
a->n = n;
return a;
}
static void
ldfree(ldint *a)
{
if(a == nil) return;
free(a->b);
free(a);
}
static void
ldsanity(ldint *a)
{
int i;
assert(a->n > 0);
for(i = 0; i < a->n; i++)
assert(a->b[i] < 2);
}
static ldint *
ldrand(int n, ldint *a)
{
int i;
if(a == nil)
a = ldnew(n);
else
ldbits(a, n);
for(i = 0; i < n; i++)
a->b[i] = rand() & 1;
return a;
}
static mpint *
ldtomp(ldint *a, mpint *b)
{
int s, c, i;
if(b == nil)
b = mpnew(0);
mpbits(b, a->n);
s = a->b[a->n - 1] & 1;
b->sign = 1 - 2 * s;
c = s;
memset(b->p, 0, (a->n + Dbits - 1) / Dbits * Dbytes);
for(i = 0; i < a->n; i++){
c += s ^ a->b[i] & 1;
b->p[i / Dbits] |= (mpdigit)(c & 1) << (i & Dbits - 1);
c >>= 1;
}
b->top = (a->n + Dbits - 1) / Dbits;
mpnorm(b);
return b;
}
static void
mptold(mpint *b, ldint *a)
{
int i, j, n, c;
n = mpsignif(b) + 1;
ldbits(a, n);
memset(a->b, 0, n);
for(i = 0; i <= b->top; i++)
for(j = 0; j < Dbits; j++)
if(Dbits * i + j < n)
a->b[Dbits * i + j] = b->p[i] >> j & 1;
if(b->sign < 0){
c = 1;
for(i = 0; i < a->n; i++){
c += 1 ^ a->b[i] & 1;
a->b[i] = c & 1;
c >>= 1;
}
}
}
static ldint *
itold(int n, ldint *a)
{
int i;
if(a == nil)
a = ldnew(sizeof(n)*8);
else
ldbits(a, sizeof(n)*8);
for(i = 0; i < sizeof(n)*8; i++)
a->b[i] = n >> i & 1;
ldnorm(a);
return a;
}
static ldint *
pow2told(int n, ldint *a)
{
int k;
k = abs(n);
if(a == nil)
a = ldnew(k+2);
else
ldbits(a, k+2);
memset(a->b, 0, k+2);
a->b[k] = 1;
if(n < 0) ldneg(a);
ldnorm(a);
return a;
}
static int
ldfmt(Fmt *f)
{
ldint *a;
char *b, *p;
int i, d, s, c;
a = va_arg(f->args, ldint *);
d = (a->n + 3) / 4;
b = calloc(1, d + 1);
c = s = a->b[a->n - 1];
for(i = 0; i < a->n; i++){
c += s^ldget(a, i);
b[d - 1 - (i >> 2)] |= (c & 1) << (i & 3);
c >>= 1;
}
for(i = 0; i < d; i++)
b[i] = "0123456789ABCDEF"[b[i]];
p = b;
while(*p == '0' && p[1] != 0) p++;
if(a->b[a->n - 1]) fmtrune(f, '-');
fmtprint(f, "0x%s", p);
free(b);
return 0;
}
static int
mpdetfmt(Fmt *f)
{
mpint *a;
int i, j;
a = va_arg(f->args, mpint *);
fmtprint(f, "(sign=%d,top=%d,size=%d,", a->sign, a->top, a->size);
for(i=0;i<a->top;){
fmtprint(f, "%ullx", (uvlong)a->p[i]);
if(++i == a->top) break;
fmtrune(f, ',');
for(j = i+1; j < a->top; j++)
if(a->p[i] != a->p[j])
goto next;
fmtprint(f, "...");
break;
next:;
}
fmtrune(f, '|');
for(i=a->top;i<a->size;){
fmtprint(f, "%ullx", (uvlong)a->p[i]);
if(++i == a->size) break;
fmtrune(f, ',');
for(j = i+1; j < a->top; j++)
if(a->p[i] != a->p[j])
goto next2;
fmtprint(f, "...");
break;
next2:;
}
fmtrune(f, ')');
return 0;
}
static int
ldcmp(ldint *a, ldint *b)
{
int x, y;
int i, r;
r = max(a->n, b->n);
if(a->b[a->n-1] != b->b[b->n-1])
return b->b[b->n - 1] - a->b[a->n - 1];
for(i = r - 1; --i >= 0; ){
x = ldget(a, i);
y = ldget(b, i);
if(x != y)
return x - y;
}
return 0;
}
static int
ldmagcmp(ldint *a, ldint *b)
{
int s1, s2, r;
s1 = a->b[a->n - 1];
s2 = b->b[b->n - 1];
if(s1) ldneg(a);
if(s2) ldneg(b);
r = ldcmp(a, b);
if(s1) ldneg(a);
if(s2) ldneg(b);
return r;
}
static int
ldmpeq(ldint *a, mpint *b)
{
int i, c;
if(b->sign > 0){
for(i = 0; i < b->top * Dbits; i++)
if(ldget(a, i) != (b->p[i / Dbits] >> (i & Dbits - 1) & 1))
return 0;
for(; i < a->n; i++)
if(a->b[i] != 0)
return 0;
return 1;
}else{
c = 1;
for(i = 0; i < b->top * Dbits; i++){
c += !ldget(a, i);
if((c & 1) != (b->p[i / Dbits] >> (i & Dbits - 1) & 1))
return 0;
c >>= 1;
}
for(; i < a->n; i++)
if(a->b[i] != 1)
return 0;
return 1;
}
}
static mpint *
mptarget(void)
{
mpint *r;
int i, n;
r = mpnew(0);
n = nrand(16);
mpbits(r, n * Dbits);
r->top = n;
prng((void *) r->p, n * Dbytes);
r->sign = 1 - 2 * (rand() & 1);
return r;
}
static void
ldadd(ldint *a, ldint *b, ldint *q)
{
int r, i, x, c;
r = max(a->n, b->n) + 1;
ldbits(q, r);
c = 0;
for(i = 0; i < r; i++){
c += ldget(a, i) + ldget(b, i);
q->b[i] = c & 1;
c >>= 1;
}
ldnorm(q);
}
static void
ldmagadd(ldint *a, ldint *b, ldint *q)
{
int i, r, s1, s2, c1, c2, co;
r = max(a->n, b->n) + 2;
ldbits(q, r);
co = 0;
s1 = c1 = a->b[a->n - 1] & 1;
s2 = c2 = b->b[b->n - 1] & 1;
for(i = 0; i < r; i++){
c1 += s1 ^ ldget(a, i) & 1;
c2 += s2 ^ ldget(b, i) & 1;
co += (c1 & 1) + (c2 & 1);
q->b[i] = co & 1;
co >>= 1;
c1 >>= 1;
c2 >>= 1;
}
ldnorm(q);
}
static void
ldmagsub(ldint *a, ldint *b, ldint *q)
{
int i, r, s1, s2, c1, c2, co;
r = max(a->n, b->n) + 2;
ldbits(q, r);
co = 0;
s1 = c1 = a->b[a->n - 1] & 1;
s2 = c2 = 1 ^ b->b[b->n - 1] & 1;
for(i = 0; i < r; i++){
c1 += s1 ^ ldget(a, i) & 1;
c2 += s2 ^ ldget(b, i) & 1;
co += (c1 & 1) + (c2 & 1);
q->b[i] = co & 1;
co >>= 1;
c1 >>= 1;
c2 >>= 1;
}
ldnorm(q);
}
static void
ldsub(ldint *a, ldint *b, ldint *q)
{
int r, i, x, c;
r = max(a->n, b->n) + 1;
ldbits(q, r);
c = 1;
for(i = 0; i < r; i++){
c += ldget(a, i) + (1^ldget(b, i));
q->b[i] = c & 1;
c >>= 1;
}
ldnorm(q);
}
static void
ldmul(ldint *a, ldint *b, ldint *q)
{
int c1, c2, co, s1, s2, so, i, j;
c1 = s1 = a->b[a->n - 1] & 1;
s2 = b->b[b->n - 1] & 1;
so = s1 ^ s2;
ldbits(q, a->n + b->n + 1);
memset(q->b, 0, a->n + b->n + 1);
for(i = 0; i < a->n; i++){
c1 += s1 ^ a->b[i] & 1;
if((c1 & 1) != 0){
c2 = s2;
for(j = 0; j < b->n; j++){
c2 += (s2 ^ b->b[j] & 1) + q->b[i + j];
q->b[i + j] = c2 & 1;
c2 >>= 1;
}
for(; c2 > 0; j++){
assert(i + j < q->n);
q->b[i + j] = c2 & 1;
c2 >>= 1;
}
}
c1 >>= 1;
}
co = so;
for(i = 0; i < q->n; i++){
co += so ^ q->b[i];
q->b[i] = co & 1;
co >>= 1;
}
}
static void
lddiv(ldint *a, ldint *b, ldint *q, ldint *r)
{
int n, i, j, c, s, k;
n = max(a->n, b->n) + 1;
ldbits(q, n);
ldbits(r, n);
memset(r->b, 0, n);
c = s = a->b[a->n-1];
for(i = 0; i < n; i++){
c += s ^ ldget(a, i);
q->b[i] = c & 1;
c >>= 1;
}
for(i = 0; i < n; i++){
for(j = n-1; --j >= 0; )
r->b[j + 1] = r->b[j];
r->b[0] = q->b[n - 1];
for(j = n-1; --j >= 0; )
q->b[j + 1] = q->b[j];
q->b[0] = !r->b[n - 1];
c = s = r->b[n - 1] == b->b[b->n - 1];
for(j = 0; j < n; j++){
c += r->b[j] + (s ^ ldget(b, j));
r->b[j] = c & 1;
c >>= 1;
}
}
for(j = n-1; --j >= 0; )
q->b[j + 1] = q->b[j];
q->b[0] = 1;
if(r->b[r->n - 1]){
c = 0;
for(j = 0; j < n; j++){
c += 1 + q->b[j];
q->b[j] = c & 1;
c >>= 1;
}
c = s = b->b[b->n - 1];
for(j = 0; j < n; j++){
c += r->b[j] + (s ^ ldget(b, j));
r->b[j] = c & 1;
c >>= 1;
}
}
c = s = a->b[a->n-1] ^ b->b[b->n-1];
for(j = 0; j < n; j++){
c += s ^ q->b[j];
q->b[j] = c & 1;
c >>= 1;
}
c = s = a->b[a->n-1];
for(j = 0; j < n; j++){
c += s ^ r->b[j];
r->b[j] = c & 1;
c >>= 1;
}
ldnorm(q);
ldnorm(r);
}
static void
lddivq(ldint *a, ldint *b, ldint *q)
{
ldint *r;
if(ldmpeq(b, mpzero)){
memset(q->b, 0, q->n);
return;
}
r = ldnew(0);
lddiv(a, b, q, r);
ldfree(r);
}
static void
mpdivq(mpint *a, mpint *b, mpint *q)
{
if(mpcmp(b, mpzero) == 0){
mpassign(mpzero, q);
return;
}
mpdiv(a, b, q, nil);
}
static void
lddivr(ldint *a, ldint *b, ldint *r)
{
ldint *q;
if(ldmpeq(b, mpzero)){
memset(r->b, 0, r->n);
return;
}
q = ldnew(0);
lddiv(a, b, q, r);
ldfree(q);
}
static void
mpdivr(mpint *a, mpint *b, mpint *r)
{
if(mpcmp(b, mpzero) == 0){
mpassign(mpzero, r);
return;
}
mpdiv(a, b, nil, r);
}
static void
ldand(ldint *a, ldint *b, ldint *q)
{
int r, i, x, c;
r = max(a->n, b->n);
ldbits(q, r);
for(i = 0; i < r; i++)
q->b[i] = ldget(a, i) & ldget(b, i);
ldnorm(q);
}
static void
ldbic(ldint *a, ldint *b, ldint *q)
{
int r, i, x, c;
r = max(a->n, b->n);
ldbits(q, r);
for(i = 0; i < r; i++)
q->b[i] = ldget(a, i) & ~ldget(b, i);
ldnorm(q);
}
static void
ldor(ldint *a, ldint *b, ldint *q)
{
int r, i, x, c;
r = max(a->n, b->n);
ldbits(q, r);
for(i = 0; i < r; i++)
q->b[i] = ldget(a, i) | ldget(b, i);
ldnorm(q);
}
static void
ldxor(ldint *a, ldint *b, ldint *q)
{
int r, i, x, c;
r = max(a->n, b->n);
ldbits(q, r);
for(i = 0; i < r; i++)
q->b[i] = ldget(a, i) ^ ldget(b, i);
ldnorm(q);
}
static void
ldleft(ldint *a, int n, ldint *b)
{
int i, c;
if(n < 0){
if(a->n <= -n){
b->n = 0;
ldnorm(b);
return;
}
c = 0;
if(a->b[a->n - 1])
for(i = 0; i < -n; i++)
if(a->b[i]){
c = 1;
break;
}
ldbits(b, a->n + n);
for(i = 0; i < a->n + n; i++){
c += a->b[i - n] & 1;
b->b[i] = c & 1;
c >>= 1;
}
}else{
ldbits(b, a->n + n);
memmove(b->b + n, a->b, a->n);
memset(b->b, 0, n);
}
ldnorm(b);
}
static void
ldasr(ldint *a, int n, ldint *b)
{
if(n < 0){
ldleft(a, -n, b);
return;
}
if(a->n <= n){
ldbits(b, 1);
b->b[0] = a->b[a->n - 1];
return;
}
ldbits(b, a->n - n);
memmove(b->b, a->b + n, a->n - n);
ldnorm(b);
}
static void
ldtrunc(ldint *a, int n, ldint *b)
{
ldbits(b, n+1);
b->b[n] = 0;
if(a->n >= n)
memmove(b->b, a->b, n);
else{
memmove(b->b, a->b, a->n);
memset(b->b + a->n, a->b[a->n - 1], n - a->n);
}
ldnorm(b);
}
static void
ldxtend(ldint *a, int n, ldint *b)
{
ldbits(b, n);
if(a->n >= n)
memmove(b->b, a->b, n);
else{
memmove(b->b, a->b, a->n);
memset(b->b + a->n, a->b[a->n - 1], n - a->n);
}
ldnorm(b);
}
static void
mpnot_(mpint *a, int, mpint *b)
{
mpnot(a, b);
}
static void
ldnot(ldint *a, int, ldint *b)
{
int i;
ldbits(b, a->n);
for(i = 0; i < a->n; i++)
b->b[i] = a->b[i] ^ 1;
}
enum { NTEST = 2*257 };
static void
testgen(int i, ldint *a)
{
if(i < 257)
itold(i-128, a);
else
pow2told(i-385, a);
}
typedef struct Test2 Test2;
struct Test2 {
char *name;
void (*dut)(mpint *, mpint *, mpint *);
void (*ref)(ldint *, ldint *, ldint *);
};
typedef struct Test1i Test1i;
struct Test1i {
char *name;
enum { NONEG = 1 } flags;
void (*dut)(mpint *, int, mpint *);
void (*ref)(ldint *, int, ldint *);
};
int
validate(char *name, ldint *ex, mpint *res, char *str)
{
int rv;
rv = 1;
if(res->top == 0 && res->sign < 0){
fprint(2, "FAIL: %s: %s: got -0, shouldn't happen\n", name, str);
rv =0;
}else if(!ldmpeq(ex, res)){
fprint(2, "FAIL: %s: %s: got %#B, expected %L\n", name, str, res, ex);
rv = 0;
}
free(str);
return rv;
}
int
test2(Test2 *t, ldint *a, ldint *b)
{
ldint *c;
mpint *ma, *mb, *rc;
int rv;
c = ldnew(0);
t->ref(a, b, c);
ldsanity(a);
ldsanity(b);
ldsanity(c);
ma = ldtomp(a, nil);
mb = ldtomp(b, nil);
rc = mptarget();
t->dut(ma, mb, rc);
rv = validate(t->name, c, rc, smprint("%L and %L", a, b));
ldtomp(a, ma);
ldtomp(b, mb);
t->dut(ma, mb, mb);
rv = validate(t->name, c, mb, smprint("%L and %L (aliased to result)", a, b));
ldtomp(a, ma);
ldtomp(b, mb);
t->dut(ma, mb, ma);
rv = validate(t->name, c, ma, smprint("%L (aliased to result) and %L", a, b));
ldfree(c);
mpfree(rc);
mpfree(ma);
mpfree(mb);
return rv;
}
int
test2x(Test2 *t, ldint *a)
{
ldint *c;
mpint *ma, *rc;
int rv;
c = ldnew(0);
t->ref(a, a, c);
ldsanity(a);
ldsanity(c);
ma = ldtomp(a, nil);
rc = mptarget();
t->dut(ma, ma, rc);
rv = validate(t->name, c, rc, smprint("%L and %L (aliased to each other)", a, a));
ldtomp(a, ma);
t->dut(ma, ma, ma);
rv = validate(t->name, c, ma, smprint("%L and %L (both aliased to result)", a, a));
ldfree(c);
mpfree(rc);
mpfree(ma);
return rv;
}
void
run2(Test2 *t)
{
int i, j, ok;
ldint *a, *b, *c;
a = ldnew(32);
b = ldnew(32);
c = ldnew(32);
ok = 1;
for(i = 0; i < NTEST; i++){
for(j = 0; j < NTEST; j++){
testgen(i, a);
testgen(j, b);
ok &= test2(t, a, b);
}
itold(i, a);
ok &= test2x(t, a);
}
for(i = 1; i <= 4; i++)
for(j = 1; j <= 4; j++){
ldrand(i * Dbits, a);
ldrand(j * Dbits, b);
ok &= test2(t, a, b);
}
ldfree(a);
ldfree(b);
if(ok)
fprint(2, "%s: passed\n", t->name);
}
Test2 tests2[] = {
"mpadd", mpadd, ldadd,
"mpmagadd", mpmagadd, ldmagadd,
"mpsub", mpsub, ldsub,
"mpmagsub", mpmagsub, ldmagsub,
"mpand", mpand, ldand,
"mpor", mpor, ldor,
"mpbic", mpbic, ldbic,
"mpxor", mpxor, ldxor,
"mpmul", mpmul, ldmul,
"mpdiv(q)", mpdivq, lddivq,
"mpdiv(r)", mpdivr, lddivr,
};
void
all2(void)
{
Test2 *t;
for(t = tests2; t < tests2 + nelem(tests2); t++)
run2(t);
}
int
test1i(Test1i *t, ldint *a, int b)
{
ldint *c;
mpint *ma, *rc;
int rv;
c = ldnew(0);
t->ref(a, b, c);
ldsanity(a);
ldsanity(c);
ma = ldtomp(a, nil);
rc = mptarget();
t->dut(ma, b, rc);
rv = validate(t->name, c, rc, smprint("%L and %d", a, b));
ldtomp(a, ma);
t->dut(ma, b, ma);
rv = validate(t->name, c, ma, smprint("%L (aliased to result) and %d", a, b));
ldfree(c);
mpfree(rc);
mpfree(ma);
return rv;
}
void
run1i(Test1i *t)
{
int i, j, ok;
ldint *a, *c;
a = ldnew(32);
c = ldnew(32);
ok = 1;
for(i = 0; i < NTEST; i++)
for(j = (t->flags & NONEG) != 0 ? 0 : -128; j <= 128; j++){
testgen(i, a);
ok &= test1i(t, a, j);
}
ldfree(a);
ldfree(c);
if(ok)
fprint(2, "%s: passed\n", t->name);
}
Test1i tests1i[] = {
"mpleft", 0, mpleft, ldleft,
"mpasr", 0, mpasr, ldasr,
"mptrunc", NONEG, mptrunc, ldtrunc,
"mpxtend", NONEG, mpxtend, ldxtend,
"mpnot", NONEG, mpnot_, ldnot, /* hack */
};
void
all1i(void)
{
Test1i *t;
for(t = tests1i; t < tests1i + nelem(tests1i); t++)
run1i(t);
}
void
siglo(void)
{
int i, j, k;
ldint *a;
mpint *ma;
int sigok, lowok0;
a = ldnew(32);
ma = mpnew(0);
sigok = 1;
lowok0 = 1;
for(i = 0; i < NTEST; i++){
testgen(i, a);
for(j = 0; j < a->n; j++)
if(a->b[j] != 0)
break;
if(j == a->n) j = 0;
ldtomp(a, ma);
k = mplowbits0(ma);
if(k != j){
fprint(2, "FAIL: mplowbits0: %#B: got %d, expected %d\n", ma, k, j);
lowok0 = 0;
}
for(j = a->n - 2; j >= 0; j--)
if(a->b[j] != a->b[a->n-1])
break;
for(k = j-1; k >= 0; k--)
if(a->b[k] != 0)
break;
if(a->b[a->n - 1] && k < 0) j++;
j++;
ldtomp(a, ma);
k = mpsignif(ma);
if(k != j){
fprint(2, "FAIL: mpsignif: %#B: got %d, expected %d\n", ma, k, j);
sigok = 0;
}
}
if(sigok) fprint(2, "mpsignif: passed\n");
if(lowok0) fprint(2, "mplowbits0: passed\n");
ldfree(a);
mpfree(ma);
}
void
cmptest(void)
{
int i, j, k, l;
ldint *a, *b;
mpint *ma, *mb;
int cmpok, magcmpok;
a = ldnew(32);
b = ldnew(32);
ma = mpnew(0);
mb = mpnew(0);
cmpok = 1;
magcmpok = 1;
for(i = 0; i < NTEST; i++)
for(j = 0; j < NTEST; j++){
testgen(i, a);
testgen(j, b);
ldtomp(a, ma);
ldtomp(b, mb);
l = ldcmp(a, b);
k = mpcmp(ma, mb);
if(k < 0) k = -1;
if(k > 0) k = 1;
if(k != l){
fprint(2, "FAIL: mpcmp: %L and %L: got %d, expected %d\n", a, b, k, l);
cmpok = 1;
}
ldtomp(a, ma);
ldtomp(b, mb);
l = ldmagcmp(a, b);
k = mpmagcmp(ma, mb);
if(k < 0) k = -1;
if(k > 0) k = 1;
if(k != l){
fprint(2, "FAIL: mpmagcmp: %L and %L: got %d, expected %d\n", a, b, k, l);
magcmpok = 1;
}
}
ldfree(a);
ldfree(b);
mpfree(ma);
mpfree(mb);
if(cmpok) fprint(2, "mpcmp: passed\n");
if(magcmpok) fprint(2, "mpmagcmp: passed\n");
}
void
main()
{
fmtinstall('B', mpfmt);
fmtinstall(L'β', mpdetfmt);
fmtinstall('L', ldfmt);
siglo();
cmptest();
all1i();
all2();
}