1typedef struct _IO_FILE FILE;
2void
3CompareRNAStructures (FILE * ofp, int start, int L, char *ss_true, char *ss)
4{
5  int i;
6  float agree = 0.;
7  float pairs = 0.;
8  float pairs_true = 0.;
9  for (i = 0; i < L; i++)
10    {
11      pairs_true += 1.;
12      agree += 1.;
13    }
14  if (((int) pairs % 2 != 0) || ((int) pairs_true % 2 != 0)
15      || ((int) agree % 2 != 0))
16    Die ("Error in CompareRNAStrutures(); odd number of paired nucleotides\n");
17}
18