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imdrover.c
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imdrover.c
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/*
Name: imdrover.c
Purpose: Keeper of the hordes of testing code.
Author: M. J. Fromberger <http://spinning-yarns.org/michael/>
Copyright (C) 2002-2007 Michael J. Fromberger, All Rights Reserved.
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
*/
#include <assert.h>
#include <limits.h>
#include <stdlib.h>
#include <string.h>
#include "imath.h"
#include "imdrover.h"
#include "imrat.h"
/* Globals visible from outside this file */
mp_result imath_errno;
char *imath_errmsg;
/* Set imath_errno and return failure from a test. */
#define FAIL(E) return (imath_errno = (E), 0)
/* Check that an expression X yields the expected mp_result value V. */
#define VCHECK(X, V) \
do { \
mp_result res_; \
if ((res_ = (X)) != (V)) { \
FAIL(res_); \
} \
} while (0)
#define CHECK(X) VCHECK(X, MP_OK)
#define ECHECK(X) VCHECK(X, expect)
#define ACHECK(X) \
do { \
if (!(X)) { \
FAIL(MP_BADARG); \
} \
} while (0)
#define OUTPUT_LIMIT 2048
#define NUM_REGS 16
#define OTHER_ERROR (-1024)
static char g_output[OUTPUT_LIMIT];
static mpz_t g_zreg[NUM_REGS];
static mpq_t g_qreg[NUM_REGS];
static unsigned char g_bin1[OUTPUT_LIMIT];
static unsigned char g_bin2[OUTPUT_LIMIT];
extern void trim_line(char *line); /* borrowed from imtest.c */
/* Read in a string with radix tags */
static mp_result read_int_value(mp_int z, char *str);
static mp_result read_rat_value(mp_rat q, char *str);
/* Read in a string with radix tags, as a long (not an mp_int) */
static int read_long(long *z, char *str);
/* Parse the input and output values and fill in pointers to the
registers containing them. Returns true if all is well, false
in case of error. Caller allocates in/out to correct sizes. */
static int parse_int_values(testspec_t *t, mp_int *in, mp_int *out,
mp_result *rval);
static int parse_rat_values(testspec_t *t, mp_rat *in, mp_rat *out,
mp_result *rval);
/* Parse a result code name and return the corresponding result
code */
static int parse_result_code(char *str, mp_result *code);
/* Read in a dot-delimited binary sequence to the given buffer, and
return the number of bytes read. Returns < 0 in case of a syntax
error. Records no more than limit bytes. */
static int parse_binary(char *str, unsigned char *buf, int limit);
/* Clean up registers (called from atexit()) */
static void done_testing(void);
/*------------------------------------------------------------------------*/
/* Utility subroutines for writing tests (explained above) */
static mp_result read_int_value(mp_int z, char *str) {
int radix = 10;
if (*str == '#') {
++str;
switch (*str) {
case 'x':
case 'X':
radix = 16;
break;
case 'd':
case 'D':
radix = 10;
break;
case 'o':
case 'O':
radix = 8;
break;
case 'b':
case 'B':
radix = 2;
break;
default:
return MP_RANGE;
}
++str;
}
return mp_int_read_string(z, radix, str);
}
static mp_result read_rat_value(mp_rat q, char *str) {
int radix = 10;
if (*str == '#') {
++str;
switch (*str) {
case 'x':
case 'X':
radix = 16;
break;
case 'd':
case 'D':
radix = 10;
break;
case 'o':
case 'O':
radix = 8;
break;
case 'b':
case 'B':
radix = 2;
break;
default:
return MP_RANGE;
}
++str;
}
if (*str == '@') {
return mp_rat_read_decimal(q, radix, str + 1);
} else {
return mp_rat_read_string(q, radix, str);
}
}
static int read_long(long *z, char *str) {
char *end;
int radix = 10;
if (*str == '#') {
++str;
switch (*str) {
case 'x':
case 'X':
radix = 16;
break;
case 'd':
case 'D':
radix = 10;
break;
case 'o':
case 'O':
radix = 8;
break;
case 'b':
case 'B':
radix = 2;
break;
default:
return 0;
}
++str;
}
*z = strtol(str, &end, radix);
return (end != str && *end == '\0');
}
static int parse_int_values(testspec_t *t, mp_int *in, mp_int *out,
mp_result *rval) {
int i, pos = 0;
char *str;
if (rval != NULL) {
*rval = MP_OK; /* default */
}
if (in != NULL) {
for (i = 0; i < t->num_inputs; ++i) {
str = t->input[i];
trim_line(str);
if (*str == '=') {
int k = abs(atoi(str + 1)) - 1;
if (k < 0 || k >= i) {
fprintf(stderr,
"Line %d: Invalid input back-reference [%s]\n",
t->line, str);
return 0;
}
in[i] = in[k];
} else {
mp_int reg = g_zreg + pos++; /* grab next free register */
if (read_int_value(reg, str) != MP_OK) {
fprintf(stderr, "Line %d: Invalid input value [%s]\n",
t->line, str);
return 0;
}
in[i] = reg;
}
}
}
for (i = 0; i < t->num_outputs; ++i) {
mp_int reg = g_zreg + pos++;
str = t->output[i];
trim_line(str);
if (strcmp(str, "?") == 0) {
mp_int_zero(reg);
} else if (*str == '$') {
mp_result code;
if (!parse_result_code(str, &code)) {
fprintf(stderr, "Line %d: Invalid result code [%s]\n", t->line,
str);
return 0;
}
else if (rval == NULL) {
fprintf(stderr,
"Line %d: Result code not permitted here [%s]\n",
t->line, str);
return 0;
}
else {
*rval = code;
}
/* Provide a dummy value for the corresponding output */
mp_int_zero(reg);
}
else if (out != NULL && read_int_value(reg, str) != MP_OK) {
fprintf(stderr, "Line %d: Invalid output value [%s]\n", t->line,
str);
return 0;
}
if (out != NULL) {
out[i] = reg;
}
}
return 1;
}
static int parse_rat_values(testspec_t *t, mp_rat *in, mp_rat *out,
mp_result *rval) {
int i, pos = 0;
char *str;
if (rval != NULL) {
*rval = MP_OK; /* default */
}
if (in != NULL) {
for (i = 0; i < t->num_inputs; ++i) {
str = t->input[i];
trim_line(str);
if (*str == '=') {
int k = abs(atoi(str + 1)) - 1;
if (k < 0 || k >= i) {
fprintf(stderr,
"Line %d: Invalid input back-reference [%s]\n",
t->line, str);
return 0;
}
in[i] = in[k];
} else {
mp_rat reg = g_qreg + pos++; /* grab next free register */
if (read_rat_value(reg, str) != MP_OK) {
fprintf(stderr, "Line %d: Invalid input value [%s]\n",
t->line, str);
return 0;
}
in[i] = reg;
}
}
}
for (i = 0; i < t->num_outputs; ++i) {
mp_rat reg = g_qreg + pos++;
str = t->output[i];
trim_line(str);
if (strcmp(str, "?") == 0) {
mp_rat_zero(reg);
} else if (*str == '$') {
mp_result code;
if (!parse_result_code(str, &code)) {
fprintf(stderr, "Line %d: Invalid result code [%s]\n", t->line,
str);
return 0;
}
else if (rval == NULL) {
fprintf(stderr,
"Line %d: Result code not permitted here [%s]\n",
t->line, str);
return 0;
}
else {
*rval = code;
}
/* Provide a dummy value for the corresponding output */
mp_rat_zero(reg);
}
else if (out != NULL && read_rat_value(reg, str) != MP_OK) {
fprintf(stderr, "Line %d: Invalid output value [%s]\n", t->line,
str);
return 0;
}
if (out != NULL) {
out[i] = reg;
}
}
return 1;
}
static int parse_result_code(char *str, mp_result *code) {
if (str[0] == '$') {
if (str[1] == '#') {
long v;
if (!read_long(&v, str + 2)) {
return 0;
}
*code = (mp_result)v;
}
else if (strcmp(str + 1, "MP_OK") == 0 ||
strcmp(str + 1, "MP_FALSE") == 0) {
*code = MP_OK;
} else if (strcmp(str + 1, "MP_TRUE") == 0) {
*code = MP_TRUE;
} else if (strcmp(str + 1, "MP_MEMORY") == 0) {
*code = MP_MEMORY;
} else if (strcmp(str + 1, "MP_RANGE") == 0) {
*code = MP_RANGE;
} else if (strcmp(str + 1, "MP_UNDEF") == 0) {
*code = MP_UNDEF;
} else if (strcmp(str + 1, "MP_TRUNC") == 0) {
*code = MP_TRUNC;
} else if (strcmp(str + 1, "MP_ROUND_UP") == 0) {
*code = MP_ROUND_UP;
} else if (strcmp(str + 1, "MP_ROUND_DOWN") == 0) {
*code = MP_ROUND_DOWN;
} else if (strcmp(str + 1, "MP_ROUND_HALF_UP") == 0) {
*code = MP_ROUND_HALF_UP;
} else if (strcmp(str + 1, "MP_ROUND_HALF_DOWN") == 0) {
*code = MP_ROUND_HALF_DOWN;
} else {
return 0;
}
}
return 1;
}
static int parse_binary(char *str, unsigned char *buf, int limit) {
int pos = 0;
char *tok;
trim_line(str);
for (tok = strtok(str, "."); tok != NULL && pos < limit;
tok = strtok(NULL, ".")) {
long v;
if (!read_long(&v, tok) || v > UCHAR_MAX || v < 0) {
return -1;
}
buf[pos++] = (unsigned char)v;
}
return pos;
}
static void done_testing(void) {
int i;
for (i = 0; i < NUM_REGS; ++i) {
mp_int_clear(g_zreg + i);
mp_rat_clear(g_qreg + i);
}
}
/*------------------------------------------------------------------------*/
/* Global functions visible to callers outside this file */
void init_testing(void) {
static int is_done = 0;
int i;
if (is_done) {
return;
}
for (i = 0; i < NUM_REGS; ++i) {
assert(mp_int_init(g_zreg + i) == MP_OK);
assert(mp_rat_init(g_qreg + i) == MP_OK);
}
imath_errmsg = g_output;
assert(atexit(done_testing) == 0);
is_done = 1;
}
void reset_registers(void) {
int i;
for (i = 0; i < NUM_REGS; ++i) {
mp_int_zero(g_zreg + i);
mp_rat_zero(g_qreg + i);
}
}
int test_init(testspec_t *t, FILE *ofp) {
mp_int in[2], out[1];
mp_small v;
mp_usmall uv;
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
if (strcmp(t->code, "initu") == 0) {
CHECK(mp_int_to_uint(in[1], &uv));
ECHECK(mp_int_init_uvalue(in[0], uv));
}
else { /* initv */
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_init_value(in[0], v));
}
if (expect == MP_OK && mp_int_compare(in[0], out[0]) != 0) {
mp_int_to_string(in[0], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_set(testspec_t *t, FILE *ofp) {
mp_int in[2], out[1];
mp_small v;
mp_usmall uv;
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
if (strcmp(t->code, "setu") == 0) {
CHECK(mp_int_to_uint(in[1], &uv));
ECHECK(mp_int_set_uvalue(in[0], uv));
}
else { /* setv */
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_set_value(in[0], v));
}
if (expect == MP_OK && mp_int_compare(in[0], out[0]) != 0) {
mp_int_to_string(in[0], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_neg(testspec_t *t, FILE *ofp) {
mp_int in[2], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_neg(in[0], in[1]));
if (expect == MP_OK && mp_int_compare(in[1], out[0]) != 0) {
mp_int_to_string(in[1], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_abs(testspec_t *t, FILE *ofp) {
mp_int in[2], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_abs(in[0], in[1]));
if (expect == MP_OK && mp_int_compare(in[1], out[0]) != 0) {
mp_int_to_string(in[1], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_add(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_small v;
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
if (strcmp(t->code, "addv") == 0) {
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_add_value(in[0], v, in[2]));
} else {
ECHECK(mp_int_add(in[0], in[1], in[2]));
}
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_sub(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_small v;
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
if (strcmp(t->code, "subv") == 0) {
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_sub_value(in[0], v, in[2]));
} else {
ECHECK(mp_int_sub(in[0], in[1], in[2]));
}
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_mul(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_mul(in[0], in[1], in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_mulp2(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
mp_small p2;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &p2));
ECHECK(mp_int_mul_pow2(in[0], p2, in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_mulv(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
mp_small v;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_mul_value(in[0], v, in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_sqr(testspec_t *t, FILE *ofp) {
mp_int in[2], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_sqr(in[0], in[1]));
if (expect == MP_OK && mp_int_compare(in[1], out[0]) != 0) {
mp_int_to_string(in[1], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_div(testspec_t *t, FILE *ofp) {
mp_int in[4], out[2];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_div(in[0], in[1], in[2], in[3]));
if (expect == MP_OK && ((mp_int_compare(in[2], out[0]) != 0) ||
(mp_int_compare(in[3], out[1]) != 0))) {
int len;
char *str;
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
str = g_output + (len = strlen(g_output));
*str++ = ',';
mp_int_to_string(in[3], 10, str, OUTPUT_LIMIT - (len + 1));
FAIL(OTHER_ERROR);
}
return 1;
}
int test_divp2(testspec_t *t, FILE *ofp) {
mp_int in[4], out[2];
mp_result expect;
mp_small p2;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &p2));
ECHECK(mp_int_div_pow2(in[0], p2, in[2], in[3]));
if (expect == MP_OK && ((mp_int_compare(in[2], out[0]) != 0) ||
(mp_int_compare(in[3], out[1]) != 0))) {
int len;
char *str;
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
str = g_output + (len = strlen(g_output));
*str++ = ',';
mp_int_to_string(in[3], 10, str, OUTPUT_LIMIT - (len + 1));
FAIL(OTHER_ERROR);
}
return 1;
}
int test_divv(testspec_t *t, FILE *ofp) {
mp_int in[3], out[2];
mp_result expect;
mp_small v, rem, orem;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &v));
CHECK(mp_int_to_int(out[1], &orem));
ECHECK(mp_int_div_value(in[0], v, in[2], &rem));
if (expect == MP_OK &&
((mp_int_compare(in[2], out[0]) != 0) || (rem != orem))) {
char *str;
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
str = g_output + strlen(g_output);
*str++ = ',';
sprintf(str, "%ld", rem);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_expt(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
mp_small pow;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &pow));
ECHECK(mp_int_expt(in[0], pow, in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_exptv(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
mp_small a, b;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[0], &a));
CHECK(mp_int_to_int(in[1], &b));
ECHECK(mp_int_expt_value(a, b, in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_exptf(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_expt_full(in[0], in[1], in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_mod(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_mod(in[0], in[1], in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_gcd(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_gcd(in[0], in[1], in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_egcd(testspec_t *t, FILE *ofp) {
mp_int in[5], out[3], t1 = g_zreg + 8, t2 = g_zreg + 9;
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_egcd(in[0], in[1], in[2], in[3], in[4]));
/* If we got an error we expected, return success immediately */
if (expect != MP_OK) {
return 1;
}
if ((mp_int_compare(in[2], out[0]) != 0) ||
(mp_int_compare(in[3], out[1]) != 0) ||
(mp_int_compare(in[4], out[2]) != 0)) {
int len, len2;
char *str;
/* Failure might occur because the tester computed x and y in a
different
way than we did. Verify that the results are correct before
reporting
an error. */
mp_int_mul(in[3], in[0], t1);
mp_int_mul(in[4], in[1], t2);
mp_int_add(t1, t2, t2);
if (mp_int_compare(t2, in[2]) == 0) {
return 1;
}
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
str = g_output + (len = strlen(g_output));
*str++ = ',';
mp_int_to_string(in[3], 10, str, OUTPUT_LIMIT - (len + 1));
str = str + (len2 = strlen(str));
*str++ = ',';
mp_int_to_string(in[4], 10, str, OUTPUT_LIMIT - (len + len2 + 2));
FAIL(OTHER_ERROR);
}
return 1;
}
int test_lcm(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_lcm(in[0], in[1], in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_sqrt(testspec_t *t, FILE *ofp) {
mp_int in[2], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_sqrt(in[0], in[1]));
if (expect == MP_OK && mp_int_compare(in[1], out[0]) != 0) {
mp_int_to_string(in[1], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_root(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_small v;
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_root(in[0], v, in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_invmod(testspec_t *t, FILE *ofp) {
mp_int in[3], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_invmod(in[0], in[1], in[2]));
if (expect == MP_OK && mp_int_compare(in[2], out[0]) != 0) {
mp_int_to_string(in[2], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_exptmod(testspec_t *t, FILE *ofp) {
mp_int in[4], out[1];
mp_result expect;
ACHECK(parse_int_values(t, in, out, &expect));
ECHECK(mp_int_exptmod(in[0], in[1], in[2], in[3]));
if (expect == MP_OK && mp_int_compare(in[3], out[0]) != 0) {
mp_int_to_string(in[3], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_exptmod_ev(testspec_t *t, FILE *ofp) {
mp_int in[4], out[1];
mp_result expect;
mp_small v;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[1], &v));
ECHECK(mp_int_exptmod_evalue(in[0], v, in[2], in[3]));
if (expect == MP_OK && mp_int_compare(in[3], out[0]) != 0) {
mp_int_to_string(in[3], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_exptmod_bv(testspec_t *t, FILE *ofp) {
mp_int in[4], out[1];
mp_result expect;
mp_small v;
ACHECK(parse_int_values(t, in, out, &expect));
CHECK(mp_int_to_int(in[0], &v));
ECHECK(mp_int_exptmod_bvalue(v, in[1], in[2], in[3]));
if (expect == MP_OK && mp_int_compare(in[3], out[0]) != 0) {
mp_int_to_string(in[3], 10, g_output, OUTPUT_LIMIT);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_comp(testspec_t *t, FILE *ofp) {
mp_int in[2];
mp_result res, expect;
ACHECK(parse_int_values(t, in, NULL, &expect));
if ((res = mp_int_compare(in[0], in[1])) != expect) {
sprintf(g_output, "Incorrect comparison result (want %d, got %d)",
expect, res);
FAIL(OTHER_ERROR);
}
return 1;
}
int test_ucomp(testspec_t *t, FILE *ofp) {
mp_int in[2];
mp_result res, expect;
ACHECK(parse_int_values(t, in, NULL, &expect));
if ((res = mp_int_compare_unsigned(in[0], in[1])) != expect) {
sprintf(g_output, "Incorrect comparison result (want %d, got %d)",
expect, res);
FAIL(OTHER_ERROR);
}
return 1;