Modeling Syntax

Reserved and user-defined variable names

All of the variable names in the Phoenix Modeling Language can be user-defined. However, some variable names are considered to be reserved for syntactical reasons.

When building a model, the following should not be used as variable names:

•Words that already part of the Phoenix modeling language

•Words that are in the C runtime or C math libraries

•Words that are GNU library calls or GNU reserved words

If a reserved word is used, it will cause a compilation error when the model is being built and will appear in the model code as blue text.

The table below lists some of the more common reserved words to avoid.

block	error	ranef3
bioavail	event	rate
bolus	first	real
bql	fixef	repl
break	for	return
call	gamma (Linux systems only)	same
cfMacro	goto	secondary
cfMicro	if	section
char	in	sequence
continue	include	short
covariate	infuse	signed
count	int	sleep
default	interpolate	start
deriv	interval	stparm
diag	join	struct
do	LL	switch
doafter	long	tlag
dobefore	mean	uncertainty
dosepoint	model	unit
dosepoint1	multi	units
dosepoint2	observe	unsigned
dropout	override	urine
duration	proc	urinecpt
else	ranef	wait
enable	ranef1	while
enum	ranef2