test.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3 #include <string.h>
   4 #include <gmp.h>
   5 #include "cf.h"
   6
   7 void cf_expect_dec(cf_t x, char *result, char *filename, int line) {
   8   mpz_t z;
   9   mpz_init(z);
  10   cf_t conv;
  11   conv = cf_new_cf_to_decimal(x);
  12   int len = strlen(result);
  13   char s[len + 1];
  14   for (int i = 0; i <= len; i++) {
  15     cf_get(z, conv);
  16     s[i] = mpz_get_ui(z) + '0';
  17   }
  18   s[len] = 0;
  19   if (strcmp(s, result)) {
  20     fprintf(stderr, "\n%s:%d: bad continued fraction decimal expansion\n",
  21         filename, line);
  22     fprintf(stderr, "  expected: %s\n", result);
  23     fprintf(stderr, "    actual: %s\n\n", s);
  24   }
  25
  26   cf_free(conv);
  27   mpz_clear(z);
  28 }
  29
  30 void cf_new_expect_dec(cf_t (*cf_new_fn)(), char *result,
  31     char *filename, int line) {
  32   cf_t x = cf_new_fn();
  33   cf_expect_dec(x, result, filename, line);
  34   cf_free(x);
  35 }