lwprint_double()

static int lwprint_double ( double  d, int  maxdd, char *  buf, size_t  bufsize  )

static

Definition at line 695 of file lwout_geojson.c.

References OUT_MAX_DOUBLE, and OUT_MAX_DOUBLE_PRECISION.

Referenced by pointArray_to_geojson().

{
  double ad = fabs(d);
  int ndd = ad < 1 ? 0 : floor(log10(ad))+1; /* non-decimal digits */
  if (fabs(d) < OUT_MAX_DOUBLE)
  {
    if ( maxdd > (OUT_MAX_DOUBLE_PRECISION - ndd) )  maxdd -= ndd;
    return snprintf(buf, bufsize, "%.*f", maxdd, d);
  }
  else
  {
    return snprintf(buf, bufsize, "%g", d);
  }
}

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