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-rw-r--r--libtommath/demo/demo.c736
1 files changed, 0 insertions, 736 deletions
diff --git a/libtommath/demo/demo.c b/libtommath/demo/demo.c
deleted file mode 100644
index e1f8a5e..0000000
--- a/libtommath/demo/demo.c
+++ /dev/null
@@ -1,736 +0,0 @@
-#include <time.h>
-
-#ifdef IOWNANATHLON
-#include <unistd.h>
-#define SLEEP sleep(4)
-#else
-#define SLEEP
-#endif
-
-#include "tommath.h"
-
-void ndraw(mp_int * a, char *name)
-{
- char buf[16000];
-
- printf("%s: ", name);
- mp_toradix(a, buf, 10);
- printf("%s\n", buf);
-}
-
-static void draw(mp_int * a)
-{
- ndraw(a, "");
-}
-
-
-unsigned long lfsr = 0xAAAAAAAAUL;
-
-int lbit(void)
-{
- if (lfsr & 0x80000000UL) {
- lfsr = ((lfsr << 1) ^ 0x8000001BUL) & 0xFFFFFFFFUL;
- return 1;
- } else {
- lfsr <<= 1;
- return 0;
- }
-}
-
-int myrng(unsigned char *dst, int len, void *dat)
-{
- int x;
-
- for (x = 0; x < len; x++)
- dst[x] = rand() & 0xFF;
- return len;
-}
-
-
-
-char cmd[4096], buf[4096];
-int main(void)
-{
- mp_int a, b, c, d, e, f;
- unsigned long expt_n, add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n,
- gcd_n, lcm_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n, t;
- unsigned rr;
- int i, n, err, cnt, ix, old_kara_m, old_kara_s;
- mp_digit mp;
-
-
- mp_init(&a);
- mp_init(&b);
- mp_init(&c);
- mp_init(&d);
- mp_init(&e);
- mp_init(&f);
-
- srand(time(NULL));
-
-#if 0
- // test montgomery
- printf("Testing montgomery...\n");
- for (i = 1; i < 10; i++) {
- printf("Testing digit size: %d\n", i);
- for (n = 0; n < 1000; n++) {
- mp_rand(&a, i);
- a.dp[0] |= 1;
-
- // let's see if R is right
- mp_montgomery_calc_normalization(&b, &a);
- mp_montgomery_setup(&a, &mp);
-
- // now test a random reduction
- for (ix = 0; ix < 100; ix++) {
- mp_rand(&c, 1 + abs(rand()) % (2*i));
- mp_copy(&c, &d);
- mp_copy(&c, &e);
-
- mp_mod(&d, &a, &d);
- mp_montgomery_reduce(&c, &a, mp);
- mp_mulmod(&c, &b, &a, &c);
-
- if (mp_cmp(&c, &d) != MP_EQ) {
-printf("d = e mod a, c = e MOD a\n");
-mp_todecimal(&a, buf); printf("a = %s\n", buf);
-mp_todecimal(&e, buf); printf("e = %s\n", buf);
-mp_todecimal(&d, buf); printf("d = %s\n", buf);
-mp_todecimal(&c, buf); printf("c = %s\n", buf);
-printf("compare no compare!\n"); exit(EXIT_FAILURE); }
- }
- }
- }
- printf("done\n");
-
- // test mp_get_int
- printf("Testing: mp_get_int\n");
- for (i = 0; i < 1000; ++i) {
- t = ((unsigned long) rand() * rand() + 1) & 0xFFFFFFFF;
- mp_set_int(&a, t);
- if (t != mp_get_int(&a)) {
- printf("mp_get_int() bad result!\n");
- return 1;
- }
- }
- mp_set_int(&a, 0);
- if (mp_get_int(&a) != 0) {
- printf("mp_get_int() bad result!\n");
- return 1;
- }
- mp_set_int(&a, 0xffffffff);
- if (mp_get_int(&a) != 0xffffffff) {
- printf("mp_get_int() bad result!\n");
- return 1;
- }
- // test mp_sqrt
- printf("Testing: mp_sqrt\n");
- for (i = 0; i < 1000; ++i) {
- printf("%6d\r", i);
- fflush(stdout);
- n = (rand() & 15) + 1;
- mp_rand(&a, n);
- if (mp_sqrt(&a, &b) != MP_OKAY) {
- printf("mp_sqrt() error!\n");
- return 1;
- }
- mp_n_root(&a, 2, &a);
- if (mp_cmp_mag(&b, &a) != MP_EQ) {
- printf("mp_sqrt() bad result!\n");
- return 1;
- }
- }
-
- printf("\nTesting: mp_is_square\n");
- for (i = 0; i < 1000; ++i) {
- printf("%6d\r", i);
- fflush(stdout);
-
- /* test mp_is_square false negatives */
- n = (rand() & 7) + 1;
- mp_rand(&a, n);
- mp_sqr(&a, &a);
- if (mp_is_square(&a, &n) != MP_OKAY) {
- printf("fn:mp_is_square() error!\n");
- return 1;
- }
- if (n == 0) {
- printf("fn:mp_is_square() bad result!\n");
- return 1;
- }
-
- /* test for false positives */
- mp_add_d(&a, 1, &a);
- if (mp_is_square(&a, &n) != MP_OKAY) {
- printf("fp:mp_is_square() error!\n");
- return 1;
- }
- if (n == 1) {
- printf("fp:mp_is_square() bad result!\n");
- return 1;
- }
-
- }
- printf("\n\n");
-
- /* test for size */
- for (ix = 10; ix < 128; ix++) {
- printf("Testing (not safe-prime): %9d bits \r", ix);
- fflush(stdout);
- err =
- mp_prime_random_ex(&a, 8, ix,
- (rand() & 1) ? LTM_PRIME_2MSB_OFF :
- LTM_PRIME_2MSB_ON, myrng, NULL);
- if (err != MP_OKAY) {
- printf("failed with err code %d\n", err);
- return EXIT_FAILURE;
- }
- if (mp_count_bits(&a) != ix) {
- printf("Prime is %d not %d bits!!!\n", mp_count_bits(&a), ix);
- return EXIT_FAILURE;
- }
- }
-
- for (ix = 16; ix < 128; ix++) {
- printf("Testing ( safe-prime): %9d bits \r", ix);
- fflush(stdout);
- err =
- mp_prime_random_ex(&a, 8, ix,
- ((rand() & 1) ? LTM_PRIME_2MSB_OFF :
- LTM_PRIME_2MSB_ON) | LTM_PRIME_SAFE, myrng,
- NULL);
- if (err != MP_OKAY) {
- printf("failed with err code %d\n", err);
- return EXIT_FAILURE;
- }
- if (mp_count_bits(&a) != ix) {
- printf("Prime is %d not %d bits!!!\n", mp_count_bits(&a), ix);
- return EXIT_FAILURE;
- }
- /* let's see if it's really a safe prime */
- mp_sub_d(&a, 1, &a);
- mp_div_2(&a, &a);
- mp_prime_is_prime(&a, 8, &cnt);
- if (cnt != MP_YES) {
- printf("sub is not prime!\n");
- return EXIT_FAILURE;
- }
- }
-
- printf("\n\n");
-
- mp_read_radix(&a, "123456", 10);
- mp_toradix_n(&a, buf, 10, 3);
- printf("a == %s\n", buf);
- mp_toradix_n(&a, buf, 10, 4);
- printf("a == %s\n", buf);
- mp_toradix_n(&a, buf, 10, 30);
- printf("a == %s\n", buf);
-
-
-#if 0
- for (;;) {
- fgets(buf, sizeof(buf), stdin);
- mp_read_radix(&a, buf, 10);
- mp_prime_next_prime(&a, 5, 1);
- mp_toradix(&a, buf, 10);
- printf("%s, %lu\n", buf, a.dp[0] & 3);
- }
-#endif
-
- /* test mp_cnt_lsb */
- printf("testing mp_cnt_lsb...\n");
- mp_set(&a, 1);
- for (ix = 0; ix < 1024; ix++) {
- if (mp_cnt_lsb(&a) != ix) {
- printf("Failed at %d, %d\n", ix, mp_cnt_lsb(&a));
- return 0;
- }
- mp_mul_2(&a, &a);
- }
-
-/* test mp_reduce_2k */
- printf("Testing mp_reduce_2k...\n");
- for (cnt = 3; cnt <= 128; ++cnt) {
- mp_digit tmp;
-
- mp_2expt(&a, cnt);
- mp_sub_d(&a, 2, &a); /* a = 2**cnt - 2 */
-
-
- printf("\nTesting %4d bits", cnt);
- printf("(%d)", mp_reduce_is_2k(&a));
- mp_reduce_2k_setup(&a, &tmp);
- printf("(%d)", tmp);
- for (ix = 0; ix < 1000; ix++) {
- if (!(ix & 127)) {
- printf(".");
- fflush(stdout);
- }
- mp_rand(&b, (cnt / DIGIT_BIT + 1) * 2);
- mp_copy(&c, &b);
- mp_mod(&c, &a, &c);
- mp_reduce_2k(&b, &a, 2);
- if (mp_cmp(&c, &b)) {
- printf("FAILED\n");
- exit(0);
- }
- }
- }
-
-/* test mp_div_3 */
- printf("Testing mp_div_3...\n");
- mp_set(&d, 3);
- for (cnt = 0; cnt < 10000;) {
- mp_digit r1, r2;
-
- if (!(++cnt & 127))
- printf("%9d\r", cnt);
- mp_rand(&a, abs(rand()) % 128 + 1);
- mp_div(&a, &d, &b, &e);
- mp_div_3(&a, &c, &r2);
-
- if (mp_cmp(&b, &c) || mp_cmp_d(&e, r2)) {
- printf("\n\nmp_div_3 => Failure\n");
- }
- }
- printf("\n\nPassed div_3 testing\n");
-
-/* test the DR reduction */
- printf("testing mp_dr_reduce...\n");
- for (cnt = 2; cnt < 32; cnt++) {
- printf("%d digit modulus\n", cnt);
- mp_grow(&a, cnt);
- mp_zero(&a);
- for (ix = 1; ix < cnt; ix++) {
- a.dp[ix] = MP_MASK;
- }
- a.used = cnt;
- a.dp[0] = 3;
-
- mp_rand(&b, cnt - 1);
- mp_copy(&b, &c);
-
- rr = 0;
- do {
- if (!(rr & 127)) {
- printf("%9lu\r", rr);
- fflush(stdout);
- }
- mp_sqr(&b, &b);
- mp_add_d(&b, 1, &b);
- mp_copy(&b, &c);
-
- mp_mod(&b, &a, &b);
- mp_dr_reduce(&c, &a, (((mp_digit) 1) << DIGIT_BIT) - a.dp[0]);
-
- if (mp_cmp(&b, &c) != MP_EQ) {
- printf("Failed on trial %lu\n", rr);
- exit(-1);
-
- }
- } while (++rr < 500);
- printf("Passed DR test for %d digits\n", cnt);
- }
-
-#endif
-
-/* test the mp_reduce_2k_l code */
-#if 0
-#if 0
-/* first load P with 2^1024 - 0x2A434 B9FDEC95 D8F9D550 FFFFFFFF FFFFFFFF */
- mp_2expt(&a, 1024);
- mp_read_radix(&b, "2A434B9FDEC95D8F9D550FFFFFFFFFFFFFFFF", 16);
- mp_sub(&a, &b, &a);
-#elif 1
-/* p = 2^2048 - 0x1 00000000 00000000 00000000 00000000 4945DDBF 8EA2A91D 5776399B B83E188F */
- mp_2expt(&a, 2048);
- mp_read_radix(&b,
- "1000000000000000000000000000000004945DDBF8EA2A91D5776399BB83E188F",
- 16);
- mp_sub(&a, &b, &a);
-#endif
-
- mp_todecimal(&a, buf);
- printf("p==%s\n", buf);
-/* now mp_reduce_is_2k_l() should return */
- if (mp_reduce_is_2k_l(&a) != 1) {
- printf("mp_reduce_is_2k_l() return 0, should be 1\n");
- return EXIT_FAILURE;
- }
- mp_reduce_2k_setup_l(&a, &d);
- /* now do a million square+1 to see if it varies */
- mp_rand(&b, 64);
- mp_mod(&b, &a, &b);
- mp_copy(&b, &c);
- printf("testing mp_reduce_2k_l...");
- fflush(stdout);
- for (cnt = 0; cnt < (1UL << 20); cnt++) {
- mp_sqr(&b, &b);
- mp_add_d(&b, 1, &b);
- mp_reduce_2k_l(&b, &a, &d);
- mp_sqr(&c, &c);
- mp_add_d(&c, 1, &c);
- mp_mod(&c, &a, &c);
- if (mp_cmp(&b, &c) != MP_EQ) {
- printf("mp_reduce_2k_l() failed at step %lu\n", cnt);
- mp_tohex(&b, buf);
- printf("b == %s\n", buf);
- mp_tohex(&c, buf);
- printf("c == %s\n", buf);
- return EXIT_FAILURE;
- }
- }
- printf("...Passed\n");
-#endif
-
- div2_n = mul2_n = inv_n = expt_n = lcm_n = gcd_n = add_n =
- sub_n = mul_n = div_n = sqr_n = mul2d_n = div2d_n = cnt = add_d_n =
- sub_d_n = 0;
-
- /* force KARA and TOOM to enable despite cutoffs */
- KARATSUBA_SQR_CUTOFF = KARATSUBA_MUL_CUTOFF = 8;
- TOOM_SQR_CUTOFF = TOOM_MUL_CUTOFF = 16;
-
- for (;;) {
- /* randomly clear and re-init one variable, this has the affect of triming the alloc space */
- switch (abs(rand()) % 7) {
- case 0:
- mp_clear(&a);
- mp_init(&a);
- break;
- case 1:
- mp_clear(&b);
- mp_init(&b);
- break;
- case 2:
- mp_clear(&c);
- mp_init(&c);
- break;
- case 3:
- mp_clear(&d);
- mp_init(&d);
- break;
- case 4:
- mp_clear(&e);
- mp_init(&e);
- break;
- case 5:
- mp_clear(&f);
- mp_init(&f);
- break;
- case 6:
- break; /* don't clear any */
- }
-
-
- printf
- ("%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu/%4lu ",
- add_n, sub_n, mul_n, div_n, sqr_n, mul2d_n, div2d_n, gcd_n, lcm_n,
- expt_n, inv_n, div2_n, mul2_n, add_d_n, sub_d_n);
- fgets(cmd, 4095, stdin);
- cmd[strlen(cmd) - 1] = 0;
- printf("%s ]\r", cmd);
- fflush(stdout);
- if (!strcmp(cmd, "mul2d")) {
- ++mul2d_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- sscanf(buf, "%d", &rr);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
-
- mp_mul_2d(&a, rr, &a);
- a.sign = b.sign;
- if (mp_cmp(&a, &b) != MP_EQ) {
- printf("mul2d failed, rr == %d\n", rr);
- draw(&a);
- draw(&b);
- return 0;
- }
- } else if (!strcmp(cmd, "div2d")) {
- ++div2d_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- sscanf(buf, "%d", &rr);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
-
- mp_div_2d(&a, rr, &a, &e);
- a.sign = b.sign;
- if (a.used == b.used && a.used == 0) {
- a.sign = b.sign = MP_ZPOS;
- }
- if (mp_cmp(&a, &b) != MP_EQ) {
- printf("div2d failed, rr == %d\n", rr);
- draw(&a);
- draw(&b);
- return 0;
- }
- } else if (!strcmp(cmd, "add")) {
- ++add_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- mp_copy(&a, &d);
- mp_add(&d, &b, &d);
- if (mp_cmp(&c, &d) != MP_EQ) {
- printf("add %lu failure!\n", add_n);
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- return 0;
- }
-
- /* test the sign/unsigned storage functions */
-
- rr = mp_signed_bin_size(&c);
- mp_to_signed_bin(&c, (unsigned char *) cmd);
- memset(cmd + rr, rand() & 255, sizeof(cmd) - rr);
- mp_read_signed_bin(&d, (unsigned char *) cmd, rr);
- if (mp_cmp(&c, &d) != MP_EQ) {
- printf("mp_signed_bin failure!\n");
- draw(&c);
- draw(&d);
- return 0;
- }
-
-
- rr = mp_unsigned_bin_size(&c);
- mp_to_unsigned_bin(&c, (unsigned char *) cmd);
- memset(cmd + rr, rand() & 255, sizeof(cmd) - rr);
- mp_read_unsigned_bin(&d, (unsigned char *) cmd, rr);
- if (mp_cmp_mag(&c, &d) != MP_EQ) {
- printf("mp_unsigned_bin failure!\n");
- draw(&c);
- draw(&d);
- return 0;
- }
-
- } else if (!strcmp(cmd, "sub")) {
- ++sub_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- mp_copy(&a, &d);
- mp_sub(&d, &b, &d);
- if (mp_cmp(&c, &d) != MP_EQ) {
- printf("sub %lu failure!\n", sub_n);
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- return 0;
- }
- } else if (!strcmp(cmd, "mul")) {
- ++mul_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- mp_copy(&a, &d);
- mp_mul(&d, &b, &d);
- if (mp_cmp(&c, &d) != MP_EQ) {
- printf("mul %lu failure!\n", mul_n);
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- return 0;
- }
- } else if (!strcmp(cmd, "div")) {
- ++div_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&d, buf, 64);
-
- mp_div(&a, &b, &e, &f);
- if (mp_cmp(&c, &e) != MP_EQ || mp_cmp(&d, &f) != MP_EQ) {
- printf("div %lu %d, %d, failure!\n", div_n, mp_cmp(&c, &e),
- mp_cmp(&d, &f));
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- draw(&e);
- draw(&f);
- return 0;
- }
-
- } else if (!strcmp(cmd, "sqr")) {
- ++sqr_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- mp_copy(&a, &c);
- mp_sqr(&c, &c);
- if (mp_cmp(&b, &c) != MP_EQ) {
- printf("sqr %lu failure!\n", sqr_n);
- draw(&a);
- draw(&b);
- draw(&c);
- return 0;
- }
- } else if (!strcmp(cmd, "gcd")) {
- ++gcd_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- mp_copy(&a, &d);
- mp_gcd(&d, &b, &d);
- d.sign = c.sign;
- if (mp_cmp(&c, &d) != MP_EQ) {
- printf("gcd %lu failure!\n", gcd_n);
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- return 0;
- }
- } else if (!strcmp(cmd, "lcm")) {
- ++lcm_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- mp_copy(&a, &d);
- mp_lcm(&d, &b, &d);
- d.sign = c.sign;
- if (mp_cmp(&c, &d) != MP_EQ) {
- printf("lcm %lu failure!\n", lcm_n);
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- return 0;
- }
- } else if (!strcmp(cmd, "expt")) {
- ++expt_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&d, buf, 64);
- mp_copy(&a, &e);
- mp_exptmod(&e, &b, &c, &e);
- if (mp_cmp(&d, &e) != MP_EQ) {
- printf("expt %lu failure!\n", expt_n);
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- draw(&e);
- return 0;
- }
- } else if (!strcmp(cmd, "invmod")) {
- ++inv_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&c, buf, 64);
- mp_invmod(&a, &b, &d);
- mp_mulmod(&d, &a, &b, &e);
- if (mp_cmp_d(&e, 1) != MP_EQ) {
- printf("inv [wrong value from MPI?!] failure\n");
- draw(&a);
- draw(&b);
- draw(&c);
- draw(&d);
- mp_gcd(&a, &b, &e);
- draw(&e);
- return 0;
- }
-
- } else if (!strcmp(cmd, "div2")) {
- ++div2_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- mp_div_2(&a, &c);
- if (mp_cmp(&c, &b) != MP_EQ) {
- printf("div_2 %lu failure\n", div2_n);
- draw(&a);
- draw(&b);
- draw(&c);
- return 0;
- }
- } else if (!strcmp(cmd, "mul2")) {
- ++mul2_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- mp_mul_2(&a, &c);
- if (mp_cmp(&c, &b) != MP_EQ) {
- printf("mul_2 %lu failure\n", mul2_n);
- draw(&a);
- draw(&b);
- draw(&c);
- return 0;
- }
- } else if (!strcmp(cmd, "add_d")) {
- ++add_d_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- sscanf(buf, "%d", &ix);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- mp_add_d(&a, ix, &c);
- if (mp_cmp(&b, &c) != MP_EQ) {
- printf("add_d %lu failure\n", add_d_n);
- draw(&a);
- draw(&b);
- draw(&c);
- printf("d == %d\n", ix);
- return 0;
- }
- } else if (!strcmp(cmd, "sub_d")) {
- ++sub_d_n;
- fgets(buf, 4095, stdin);
- mp_read_radix(&a, buf, 64);
- fgets(buf, 4095, stdin);
- sscanf(buf, "%d", &ix);
- fgets(buf, 4095, stdin);
- mp_read_radix(&b, buf, 64);
- mp_sub_d(&a, ix, &c);
- if (mp_cmp(&b, &c) != MP_EQ) {
- printf("sub_d %lu failure\n", sub_d_n);
- draw(&a);
- draw(&b);
- draw(&c);
- printf("d == %d\n", ix);
- return 0;
- }
- }
- }
- return 0;
-}
generated by cgit v0.12 at 2024-11-16 16:58:26 (GMT)