h48

A prototype for an optimal Rubik's cube solver, work in progress.
git clone https://git.tronto.net/h48
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inverse_move_tests.c (402B)

      1 #include "../test.h"
      2 
      3 extern char *movestr[];
      4 
      5 int64_t readmoves(const char *, size_t n, uint8_t [n]);
      6 uint8_t inverse_move(uint8_t);
      7 
      8 void run(void) {
      9 	uint8_t moves[2];
     10 
     11 	char moves_string[STRLENMAX];
     12 
     13 	fgets(moves_string, STRLENMAX, stdin);
     14 	if (readmoves(moves_string, 2, moves) != 1) {
     15 		printf("Test error: cannot read moves\n");
     16 		return;
     17 	}
     18 
     19 	printf("%s\n", movestr[inverse_move(moves[0])]);
     20 }