test.c

   1 #include "sparrow.h"
   2 #include <string.h>
   3 #include <math.h>
   4 //#include "gstsparrow.h"
   5
   6
   7
   8 static void
   9 test_popcount64()
  10 {
  11   guint64 tests[] = {0xf0f0f0f0f0f0f0f0, 0x0001111116000000,
  12                      0x123456789abcdef0, 0x0fedcba987654321,
  13                      0x0100, 0x77, 1, 2, 3};
  14   guint i;
  15   for (i = 0; i < (sizeof(tests) / sizeof(guint64)); i++){
  16     guint32 r = popcount64(tests[i]);
  17     printf("%016llx -> %u\n", tests[i], r);
  18   }
  19 }
  20
  21 static void
  22 test_hamming_distance64()
  23 {
  24   guint64 tests[] = {0xf0f0f0f0f0f0f0f0, 0xf0f0f0f0f0f0f0f0, 0xffffffffffffffff,
  25                      0xf0f0f0f0f0f0f0f0, 0xffffffffffffffff, 0xffffffffffffffff,
  26                      0x0000000000000000, 0x0000000000000010, 0xffffffffffffffff,
  27                      0x1000000000000010, 0x0100000000000010, 0xffffffffffffffff,
  28                      0x1000000000000010, 0x0100000000000010, 0xffffffff00000000
  29   };
  30   guint i;
  31   for (i = 0; i < (sizeof(tests) / sizeof(guint64)); i += 3){
  32     guint32 r = hamming_distance64(tests[i], tests[i + 1], tests[i + 2]);
  33     printf("%016llx, %016llx, mask %016llx -> %u\n", tests[i], tests[i + 1], tests[i + 2], r);
  34   }
  35 }
  36
  37
  38 int main()
  39 {
  40   test_popcount64();
  41   test_hamming_distance64();
  42 }