Module:Factorization and Module:Factorization/sandbox: Difference between pages

Content deleted Content added

@@ Line 1: / Line 1: @@
 local p = {}
-local function powerformat(divisor, power, productSymbol)
-	if power < 1      then return ''
-    elseif power == 1 then return divisor .. ' ' .. productSymbol .. ' '
-    else return divisor .. '<sup>' .. power .. '</sup> ' .. productSymbol .. ' '
-    end
-end
-local function format(numString, bold, big, serif)
-    if bold then
-    	numString = '<b>'..numString..'</b>'
-    end
-	local ret = (serif or big) and '<span ' or ''
-	if serif then ret = ret .. 'class="texhtml" ' end
-	if big   then ret = ret .. 'style="font-size:165%" ' end
-	ret = ret .. ((serif or big) and '>' or '') .. numString .. ((serif or big) and '</span>' or '')
-    return ret
-end
 function p.factor(frame)
+	-- Consider calling the parser function #expr
+	--   to simplify a potential mathematical expression?
-    local number = tonumber(frame.args[1])
+    number = tonumber(frame.args[1])
     if number == nil then
     	return '<strong class="error">Error: input not recognized as a number</strong>'
     end
+    productSymbol = frame.args['product'] or '·'
+    bold = frame.args['bold'] and true
+    big = frame.args['big'] and true
+    serif = frame.args['serif'] and true
+    primeLink = frame.args['prime'] and true
     number = math.floor(number)
     if number < 2 or number > 1000000000 or number == math.huge then
@@ Line 32: / Line 20: @@
     end
-    local result = ""
+    result = ""
-    local currentNumber = number
+    currentNumber = number
-    local power = 0
+    power = 0
-    local divisor = 2
+    divisor = 2
-    local productSymbol = frame.args['product'] or '·'
     -- Attempt factoring by the value of the divisor
-    -- divisor increments by 2, except first iteration (2 to 3)
+    --   divisor increments by 2, except first iteration (2 to 3)
     while divisor <= math.sqrt(currentNumber) do
         power = 0
@@ Line 56: / Line 44: @@
     end
-    local primeLink = frame.args['prime'] and true
     if currentNumber == number and primeLink then
         return '[[prime number|prime]]'
@@ Line 63: / Line 50: @@
     result = string.sub(result,1,-4)
+    return format(result)
-    local bold = frame.args['bold'] and true
+end
-    local big = frame.args['big'] and true
-    local serif = frame.args['serif'] and true
+function powerformat(divisor, power, productSymbol)
-    return format(result, bold, big, serif)
+	if power < 1      then return ''
+    elseif power == 1 then return divisor .. ' ' .. productSymbol .. ' '
+    else return divisor .. '<sup>' .. power .. '</sup> ' .. productSymbol .. ' '
+    end
+end
+function format(numString)
+    if bold then
+    	numString = '<b>'..numString..'</b>'
+    end
+	ret = (serif or big) and '<span ' or ''
+	if serif then ret = ret .. 'class="texhtml" ' end
+	if big   then ret = ret .. 'style="font-size:165%" ' end
+	ret = ret .. ((serif or big) and '>' or '') .. numString .. ((serif or big) and '</span>' or '')
+    return ret
 end