datum_as_hexwkb datum_as_wkb OUT_DEFAULT_DECIMAL_DIGITS OUT_DOUBLE_BUFFER_SIZE OUT_MAX_BYTES_DOUBLE OUT_MAX_DIGITS OUT_MAX_DOUBLE OUT_MIN_DOUBLE

OUT_MIN_DOUBLE #define OUT_MIN_DOUBLE   1E-8 Basic routines for spans (a.k.a. ranges) composed of two Datum values and two Boolean values stating whether the bounds are inclusive.