2002-02-19  Morten Welinder  <terra@diku.dk>

	* src/numbers.h (modfgnum, strtgnum, GNUM_FORMAT_[eEfg],
 	GNUM_DIG): New stuff.

  	* .../*.[cy]: All relevant strtod changed to strtognum; modf to
 	modfgnum; DBL_DIG to GNUM_DIG; formats changed to use
 	GNUM_FORMAT_...

	* src/gutils.c (strtognum): If needed, define a version here.

	* src/complex.c (complex_to_string): Use right format for
 	imaginary part.

	* configure.in: Add support for --with-long-double.

	* acconfig.h: Add WITH_LONG_DOUBLE.