#include "aas.h"

// if unknown, return -1

int aastr2int(char* name)
{
  if (strncmp(name,"ALA",3)==0) return 0;
  if (strncmp(name,"CYS",3)==0) return 1;
  if (strncmp(name,"ASP",3)==0) return 2;
  if (strncmp(name,"GLU",3)==0) return 3;
  if (strncmp(name,"PHE",3)==0) return 4;
  if (strncmp(name,"GLY",3)==0) return 5;
  if (strncmp(name,"HIS",3)==0) return 6;
  if (strncmp(name,"ILE",3)==0) return 7;
  if (strncmp(name,"LYS",3)==0) return 8;
  if (strncmp(name,"LEU",3)==0) return 9;
  if (strncmp(name,"MET",3)==0) return 10;
  if (strncmp(name,"ASN",3)==0) return 11;
  if (strncmp(name,"PRO",3)==0) return 12;
  if (strncmp(name,"GLN",3)==0) return 13;
  if (strncmp(name,"ARG",3)==0) return 14;
  if (strncmp(name,"SER",3)==0) return 15;
  if (strncmp(name,"THR",3)==0) return 16;
  if (strncmp(name,"VAL",3)==0) return 17;
  if (strncmp(name,"TRP",3)==0) return 18;
  if (strncmp(name,"TYR",3)==0) return 19;
  return -1;
}

char* aaint2str(int x)
{
  switch (x) 
  {
    case  0: return "ALA"; 
    case  1: return "CYS"; 
    case  2: return "ASP"; 
    case  3: return "GLU"; 
    case  4: return "PHE"; 
    case  5: return "GLY"; 
    case  6: return "HIS"; 
    case  7: return "ILE"; 
    case  8: return "LYS"; 
    case  9: return "LEU"; 
    case  10: return "MET"; 
    case  11: return "ASN"; 
    case  12: return "PRO"; 
    case  13: return "GLN"; 
    case  14: return "ARG"; 
    case  15: return "SER"; 
    case  16: return "THR"; 
    case  17: return "VAL"; 
    case  18: return "TRP"; 
    case  19: return "TYR"; 
    default: return "???"; 
  }
}