Function fprint_vec

doc/docs/Developer_Codes/WriteChunkInfo.cpp:36–43

Pretty=true --> {x,y,z} Pretty=false --> x y z

// Pretty=true  --> {x,y,z}
// Pretty=false -->  x y z
void fprint_vec(FILE *f, vec v, bool Pretty = false) {
  const char *s = Pretty ? "{" : " ";
  LOOP_OVER_DIRECTIONS(v.dim, d) {
    fprintf(f, "%s%e", s, v.in_direction(d));
    if (Pretty) s = ",";
  }
  fprintf(f, "%s", Pretty ? "} " : " ");
}

// Pretty=true  --> {x,y,z}
// Pretty=false -->  x y z