1047 lines
18 KiB
C
1047 lines
18 KiB
C
/*
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tests missing for:
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mpint* strtomp(char *buf, char **rptr, int base, mpint *b)
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char* mptoa(mpint *b, int base, char *buf, int blen)
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mpint* betomp(uchar *buf, uint blen, mpint *b)
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int mptobe(mpint *b, uchar *buf, uint blen, uchar **bufp)
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void mptober(mpint *b, uchar *buf, int blen)
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mpint* letomp(uchar *buf, uint blen, mpint *b)
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int mptole(mpint *b, uchar *buf, uint blen, uchar **bufp)
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void mptolel(mpint *b, uchar *buf, int blen)
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uint mptoui(mpint*)
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mpint* uitomp(uint, mpint*)
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int mptoi(mpint*)
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mpint* itomp(int, mpint*)
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mpint* vtomp(vlong, mpint*)
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vlong mptov(mpint*)
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mpint* uvtomp(uvlong, mpint*)
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uvlong mptouv(mpint*)
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mpint* dtomp(double, mpint*)
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double mptod(mpint*)
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void mpexp(mpint *b, mpint *e, mpint *m, mpint *res)
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void mpmod(mpint *b, mpint *m, mpint *remainder)
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void mpmodadd(mpint *b1, mpint *b2, mpint *m, mpint *sum)
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void mpmodsub(mpint *b1, mpint *b2, mpint *m, mpint *diff)
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void mpmodmul(mpint *b1, mpint *b2, mpint *m, mpint *prod)
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void mpsel(int s, mpint *b1, mpint *b2, mpint *res)
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void mpextendedgcd(mpint *a, mpint *b, mpint *d, mpint *x, mpint *y)
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void mpinvert(mpint *b, mpint *m, mpint *res)
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void mpdigdiv(mpdigit *dividend, mpdigit divisor, mpdigit *quotient)
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void mpvecadd(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *sum)
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void mpvecsub(mpdigit *a, int alen, mpdigit *b, int blen, mpdigit *diff)
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void mpvecdigmuladd(mpdigit *b, int n, mpdigit m, mpdigit *p)
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int mpvecdigmulsub(mpdigit *b, int n, mpdigit m, mpdigit *p)
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void mpvecmul(mpdigit *a, int alen, mpdigit *b, int blen,mpdigit *p)
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int mpveccmp(mpdigit *a, int alen, mpdigit *b, int blen)
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*/
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#include <u.h>
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#include <libc.h>
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#include <mp.h>
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#include <libsec.h>
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typedef struct ldint ldint;
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struct ldint {
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int n;
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u8int *b;
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};
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ldint _ldzero = {1, (u8int*)"\0"};
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ldint _ldone = {2, (u8int*)"\1\0"};
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ldint *ldzero = &_ldzero;
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ldint *ldone = &_ldone;
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static int
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ldget(ldint *a, int n)
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{
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if(n < 0) return 0;
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if(n >= a->n) return a->b[a->n - 1]&1;
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return a->b[n]&1;
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}
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static void
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ldbits(ldint *a, int n)
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{
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a->b = realloc(a->b, n);
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a->n = n;
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}
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static ldint *
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ldnorm(ldint *a)
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{
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int i;
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if(a->n > 0){
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for(i = a->n - 2; i >= 0; i--)
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if(a->b[i] != a->b[a->n-1])
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break;
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ldbits(a, i + 2);
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}else{
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ldbits(a, 1);
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a->b[0] = 0;
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}
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return a;
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}
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static void
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ldneg(ldint *a)
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{
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int i, c;
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c = 1;
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for(i = 0; i < a->n; i++){
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c += 1 ^ a->b[i] & 1;
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a->b[i] = c & 1;
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c >>= 1;
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}
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if(c != a->b[a->n - 1]){
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ldbits(a, a->n + 1);
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a->b[a->n - 1] = c;
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}
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}
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static int
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max(int a, int b)
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{
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return a>b? a : b;
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}
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static ldint *
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ldnew(int n)
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{
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ldint *a;
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a = malloc(sizeof(ldint));
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if(n <= 0) n = 1;
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a->b = malloc(n);
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a->n = n;
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return a;
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}
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static void
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ldfree(ldint *a)
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{
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if(a == nil) return;
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free(a->b);
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free(a);
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}
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static void
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ldsanity(ldint *a)
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{
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int i;
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assert(a->n > 0);
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for(i = 0; i < a->n; i++)
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assert(a->b[i] < 2);
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}
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static ldint *
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ldrand(int n, ldint *a)
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{
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int i;
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if(a == nil)
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a = ldnew(n);
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else
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ldbits(a, n);
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for(i = 0; i < n; i++)
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a->b[i] = rand() & 1;
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return a;
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}
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static mpint *
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ldtomp(ldint *a, mpint *b)
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{
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int s, c, i;
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if(b == nil)
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b = mpnew(0);
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mpbits(b, a->n);
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s = a->b[a->n - 1] & 1;
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b->sign = 1 - 2 * s;
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c = s;
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memset(b->p, 0, (a->n + Dbits - 1) / Dbits * Dbytes);
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for(i = 0; i < a->n; i++){
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c += s ^ a->b[i] & 1;
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b->p[i / Dbits] |= (mpdigit)(c & 1) << (i & Dbits - 1);
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c >>= 1;
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}
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b->top = (a->n + Dbits - 1) / Dbits;
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mpnorm(b);
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return b;
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}
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static void
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mptold(mpint *b, ldint *a)
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{
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int i, j, n, c;
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n = mpsignif(b) + 1;
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ldbits(a, n);
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memset(a->b, 0, n);
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for(i = 0; i <= b->top; i++)
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for(j = 0; j < Dbits; j++)
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if(Dbits * i + j < n)
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a->b[Dbits * i + j] = b->p[i] >> j & 1;
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if(b->sign < 0){
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c = 1;
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for(i = 0; i < a->n; i++){
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c += 1 ^ a->b[i] & 1;
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a->b[i] = c & 1;
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c >>= 1;
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}
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}
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}
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static ldint *
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itold(int n, ldint *a)
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{
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int i;
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if(a == nil)
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a = ldnew(sizeof(n)*8);
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else
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ldbits(a, sizeof(n)*8);
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for(i = 0; i < sizeof(n)*8; i++)
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a->b[i] = n >> i & 1;
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ldnorm(a);
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return a;
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}
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static ldint *
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pow2told(int n, ldint *a)
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{
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int k;
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k = abs(n);
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if(a == nil)
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a = ldnew(k+2);
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else
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ldbits(a, k+2);
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memset(a->b, 0, k+2);
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a->b[k] = 1;
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if(n < 0) ldneg(a);
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ldnorm(a);
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return a;
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}
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static int
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ldfmt(Fmt *f)
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{
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ldint *a;
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char *b, *p;
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int i, d, s, c;
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a = va_arg(f->args, ldint *);
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d = (a->n + 3) / 4;
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b = calloc(1, d + 1);
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c = s = a->b[a->n - 1];
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for(i = 0; i < a->n; i++){
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c += s^ldget(a, i);
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b[d - 1 - (i >> 2)] |= (c & 1) << (i & 3);
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c >>= 1;
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}
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for(i = 0; i < d; i++)
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b[i] = "0123456789ABCDEF"[b[i]];
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p = b;
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while(*p == '0' && p[1] != 0) p++;
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if(a->b[a->n - 1]) fmtrune(f, '-');
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fmtprint(f, "0x%s", p);
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free(b);
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return 0;
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}
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static int
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mpdetfmt(Fmt *f)
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{
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mpint *a;
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int i, j;
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a = va_arg(f->args, mpint *);
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fmtprint(f, "(sign=%d,top=%d,size=%d,", a->sign, a->top, a->size);
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for(i=0;i<a->top;){
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fmtprint(f, "%ullx", (uvlong)a->p[i]);
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if(++i == a->top) break;
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fmtrune(f, ',');
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for(j = i+1; j < a->top; j++)
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if(a->p[i] != a->p[j])
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goto next;
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fmtprint(f, "...");
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break;
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next:;
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}
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fmtrune(f, '|');
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for(i=a->top;i<a->size;){
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fmtprint(f, "%ullx", (uvlong)a->p[i]);
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if(++i == a->size) break;
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fmtrune(f, ',');
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for(j = i+1; j < a->top; j++)
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if(a->p[i] != a->p[j])
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goto next2;
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fmtprint(f, "...");
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break;
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next2:;
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}
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fmtrune(f, ')');
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return 0;
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}
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static int
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ldcmp(ldint *a, ldint *b)
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{
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int x, y;
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int i, r;
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r = max(a->n, b->n);
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if(a->b[a->n-1] != b->b[b->n-1])
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return b->b[b->n - 1] - a->b[a->n - 1];
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for(i = r - 1; --i >= 0; ){
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x = ldget(a, i);
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y = ldget(b, i);
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if(x != y)
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return x - y;
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}
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return 0;
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}
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static int
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ldmagcmp(ldint *a, ldint *b)
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{
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int s1, s2, r;
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s1 = a->b[a->n - 1];
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s2 = b->b[b->n - 1];
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if(s1) ldneg(a);
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if(s2) ldneg(b);
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r = ldcmp(a, b);
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if(s1) ldneg(a);
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if(s2) ldneg(b);
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return r;
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}
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static int
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ldmpeq(ldint *a, mpint *b)
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{
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int i, c;
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if(b->sign > 0){
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for(i = 0; i < b->top * Dbits; i++)
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if(ldget(a, i) != (b->p[i / Dbits] >> (i & Dbits - 1) & 1))
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return 0;
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for(; i < a->n; i++)
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if(a->b[i] != 0)
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return 0;
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return 1;
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}else{
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c = 1;
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for(i = 0; i < b->top * Dbits; i++){
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c += !ldget(a, i);
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if((c & 1) != (b->p[i / Dbits] >> (i & Dbits - 1) & 1))
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return 0;
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c >>= 1;
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}
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for(; i < a->n; i++)
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if(a->b[i] != 1)
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return 0;
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return 1;
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}
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}
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static mpint *
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mptarget(void)
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{
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mpint *r;
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int i, n;
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r = mpnew(0);
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n = nrand(16);
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mpbits(r, n * Dbits);
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r->top = n;
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prng((void *) r->p, n * Dbytes);
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r->sign = 1 - 2 * (rand() & 1);
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return r;
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}
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static void
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ldadd(ldint *a, ldint *b, ldint *q)
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{
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int r, i, x, c;
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r = max(a->n, b->n) + 1;
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ldbits(q, r);
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c = 0;
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for(i = 0; i < r; i++){
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c += ldget(a, i) + ldget(b, i);
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q->b[i] = c & 1;
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c >>= 1;
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}
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ldnorm(q);
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}
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static void
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ldmagadd(ldint *a, ldint *b, ldint *q)
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{
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int i, r, s1, s2, c1, c2, co;
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r = max(a->n, b->n) + 2;
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ldbits(q, r);
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co = 0;
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s1 = c1 = a->b[a->n - 1] & 1;
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s2 = c2 = b->b[b->n - 1] & 1;
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for(i = 0; i < r; i++){
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c1 += s1 ^ ldget(a, i) & 1;
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c2 += s2 ^ ldget(b, i) & 1;
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co += (c1 & 1) + (c2 & 1);
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q->b[i] = co & 1;
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co >>= 1;
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c1 >>= 1;
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c2 >>= 1;
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}
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ldnorm(q);
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}
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|
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static void
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ldmagsub(ldint *a, ldint *b, ldint *q)
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{
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int i, r, s1, s2, c1, c2, co;
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r = max(a->n, b->n) + 2;
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ldbits(q, r);
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co = 0;
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s1 = c1 = a->b[a->n - 1] & 1;
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s2 = c2 = 1 ^ b->b[b->n - 1] & 1;
|
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for(i = 0; i < r; i++){
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c1 += s1 ^ ldget(a, i) & 1;
|
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c2 += s2 ^ ldget(b, i) & 1;
|
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co += (c1 & 1) + (c2 & 1);
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q->b[i] = co & 1;
|
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co >>= 1;
|
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c1 >>= 1;
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c2 >>= 1;
|
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}
|
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ldnorm(q);
|
|
}
|
|
|
|
static void
|
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ldsub(ldint *a, ldint *b, ldint *q)
|
|
{
|
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int r, i, x, c;
|
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|
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r = max(a->n, b->n) + 1;
|
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ldbits(q, r);
|
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c = 1;
|
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for(i = 0; i < r; i++){
|
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c += ldget(a, i) + (1^ldget(b, i));
|
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q->b[i] = c & 1;
|
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c >>= 1;
|
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}
|
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ldnorm(q);
|
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}
|
|
|
|
static void
|
|
ldmul(ldint *a, ldint *b, ldint *q)
|
|
{
|
|
int c1, c2, co, s1, s2, so, i, j;
|
|
|
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c1 = s1 = a->b[a->n - 1] & 1;
|
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s2 = b->b[b->n - 1] & 1;
|
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so = s1 ^ s2;
|
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ldbits(q, a->n + b->n + 1);
|
|
memset(q->b, 0, a->n + b->n + 1);
|
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for(i = 0; i < a->n; i++){
|
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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;
|
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|
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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();
|
|
}
|