2002-10-14  Morten Welinder  <terra@diku.dk>

	* src/regression.c (non_linear_regression): Use gnumabs.

	* src/mathfunc.c (random_logistic): Use loggnum.

	* src/regression.c (parameter_errors): Use sqrtgnum.

	* src/format.c (fmt_general_int): Handle -2^31 correctly.

	* src/datetime.c (datetime_serial_raw_to_serial): Use floorgnum,
	not floor.
	(datetime_serial_raw_to_seconds): Ditto.

2002-10-14  Morten Welinder  <terra@diku.dk>

	* analysis-tools.c (analysis_tool_ttest_neqvar_engine_run): Use
	gnumabs, not fabs.

2002-10-14  Morten Welinder  <terra@diku.dk>

	* options.c: Use powgnum, not pow.  Use gnumabs, not fabs.

2002-10-14  Morten Welinder  <terra@diku.dk>

	* functions.c (gnumeric_even): Use fmodgnum.
	(gnumeric_odd): Ditto.
	(gnumeric_mround): Ditto.