#utility functions


function pickRange(min, max) {
	return (max - min) * rand() + min
}

#better, faster, cheaper score
function score(effort, def, months, rely) {
	return sqrt(months^2 + effort^2 + (def * (1 + 1.8^(rely-3)))^2)
}

function makeArray(arr) {split("",arr,"")}

function err(errstr) {
	print errstr
}

function printDump(arr, 	indx) {
	for (indx in arr)
		print indx ": " arr[indx]
}

function append(atom, str) {
	if (str)
		str = str " " atom
	else
		str = atom
	return str
}

#accessors

#---------------------
#model array accessors
#---------------------

function getAlias(i) {return i"-alias"}

function getSlopeMax(i) {return i"-slope-max"}
function getSlopeMin(i) {return i"-slope-min"}

function getEffortSlope(i) {return i"-effort-slope"}
function getReqSlope(i) {return i"-req-slope"}
function getDesignSlope(i) {return i"-design-slope"}
function getCodeSlope(i) {return i"-code-slope"}

function getRangeMax(i) {return i"-range-max"}
function getRangeMin(i) {return i"-range-min"}


function getKeys() {return "allkeys"}
function getEMKeys() {return "emkeys"}
function getSFKeys() {return "sfkeys"}
function getDRKeys() {return "drkeys"}

#-----------------------
#grammar array accessors
#-----------------------

function getProd(i) {return i}
function getOdds(i) {return -1 * i}
function size() {return 0}

#-----------------------
#project array accessors
#-----------------------

function getTuning(i) {return i"-tuning"}
function getRating(i) {return i"-rating"}

#--------------------
#risk array accessors
#--------------------

function getAttr() {return "attribute"}
function getValue() {return "value"}
function getWeight() {return "weight"}