RegressionTests__IntegerTest.st
changeset 1221 25d244f98de4
parent 1139 1dfea13c4d57
child 1234 920a33e66069
--- a/RegressionTests__IntegerTest.st	Wed Nov 05 21:44:02 2014 +0100
+++ b/RegressionTests__IntegerTest.st	Wed Nov 05 22:32:32 2014 +0100
@@ -2481,6 +2481,22 @@
     "Modified: / 02-12-2013 / 15:45:39 / cg"
 !
 
+testLargeMultiplication2
+    "tests many divisions and multiplications (of largeInts by smallInts)"
+
+    |n n2|
+
+    self assert:(1000 factorial printString = '402387260077093773543702433923003985719374864210714632543799910429938512398629020592044208486969404800479988610197196058631666872994808558901323829669944590997424504087073759918823627727188732519779505950995276120874975462497043601418278094646496291056393887437886487337119181045825783647849977012476632889835955735432513185323958463075557409114262417474349347553428646576611667797396668820291207379143853719588249808126867838374559731746136085379534524221586593201928090878297308431392844403281231558611036976801357304216168747609675871348312025478589320767169132448426236131412508780208000261683151027341827977704784635868170164365024153691398281264810213092761244896359928705114964975419909342221566832572080821333186116811553615836546984046708975602900950537616475847728421889679646244945160765353408198901385442487984959953319101723355556602139450399736280750137837615307127761926849034352625200015888535147331611702103968175921510907788019393178114194545257223865541461062892187960223838971476088506276862967146674697562911234082439208160153780889893964518263243671616762179168909779911903754031274622289988005195444414282012187361745992642956581746628302955570299024324153181617210465832036786906117260158783520751516284225540265170483304226143974286933061690897968482590125458327168226458066526769958652682272807075781391858178889652208164348344825993266043367660176999612831860788386150279465955131156552036093988180612138558600301435694527224206344631797460594682573103790084024432438465657245014402821885252470935190620929023136493273497565513958720559654228749774011413346962715422845862377387538230483865688976461927383814900140767310446640259899490222221765904339901886018566526485061799702356193897017860040811889729918311021171229845901641921068884387121855646124960798722908519296819372388642614839657382291123125024186649353143970137428531926649875337218940694281434118520158014123344828015051399694290153483077644569099073152433278288269864602789864321139083506217095002597389863554277196742822248757586765752344220207573630569498825087968928162753848863396909959826280956121450994871701244516461260379029309120889086942028510640182154399457156805941872748998094254742173582401063677404595741785160829230135358081840096996372524230560855903700624271243416909004153690105933983835777939410970027753472000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000').
+
+    n := 1000 factorial.
+    1000 to:2 by:-1 do:[:d |
+	n2 := n / d.
+	self assert:((d-1) factorial = n2).
+	(Integer readFrom:n2 printString) * d = n.
+	n := n2.
+    ].
+!
+
 testLargeMultiplicationHelpers1
     |t1 t2 r|
 
@@ -3881,33 +3897,32 @@
     |theBase theMersenne theRest theGcd theOldRest theOldGcd|
 
     theBase := 2.
-    132 to:135 do:[:theOrder | 
-        false " <<<< here i replaced some piece of code by false just to reproduce the error without having to ship all my code >>>>" ifFalse:[
-            theRest := ((theBase raisedTo:theOrder) - 1) / (theBase - 1).
-            30 "theOrder - 1" to:67 do:[:theFactorOrder | 
-                "/Transcript show:theOrder; space.
-                "/Transcript showCR:theFactorOrder.
-                (theOrder \\ theFactorOrder) = 0 ifTrue:[
-                    " <<<< is a divisor of the order >>>>"
-                    self assert:theFactorOrder ~= 131
-                        description:'131 ist kein Teiler von 132'.
-                    self assert:(theOrder / theFactorOrder) isFraction not.
-                    theMersenne := ((theBase raisedTo:theFactorOrder) - 1) / (theBase - 1).
-                    theGcd := theRest gcd:theMersenne.
-                    [ theGcd > 1 ] whileTrue:[
-                        self assert:theFactorOrder < 129.
-                        theOldRest := theRest asString.
-                        theOldGcd := theGcd asString.
-                        theRest := theRest / theGcd.
-                        theGcd := theGcd gcd:theRest.
-                        self assert:((theRest \\ theGcd) = 0).
-                        self assert:(theRest / theGcd) isFraction not.
-                    ].
-                ].
-            ].
-            self assert:theRest ~= 1
-                description:'there is no prime factor of order theOrder'
-        ].
+    132 to:135 do:[:theOrder |
+	false " <<<< here i replaced some piece of code by false just to reproduce the error without having to ship all my code >>>>" ifFalse:[
+	    theRest := ((theBase raisedTo:theOrder) - 1) / (theBase - 1).
+	    30 "theOrder - 1" to:67 do:[:theFactorOrder |
+		"/Transcript show:theOrder; space.
+		"/Transcript showCR:theFactorOrder.
+		(theOrder \\ theFactorOrder) = 0 ifTrue:[
+		    " <<<< is a divisor of the order >>>>"
+		    self assert:theFactorOrder ~= 131 description:'131 ist kein Teiler von 132'.
+		    self assert:(theOrder / theFactorOrder) isFraction not.
+		    theMersenne := ((theBase raisedTo:theFactorOrder) - 1) / (theBase - 1).
+		    theGcd := theRest gcd:theMersenne.
+		    [ theGcd > 1 ] whileTrue:[
+			self assert:theFactorOrder < 129.
+			theOldRest := theRest asString.
+			theOldGcd := theGcd asString.
+			theRest := theRest / theGcd.
+			theGcd := theGcd gcd:theRest.
+			self assert:((theRest \\ theGcd) = 0).
+			self assert:(theRest / theGcd) isFraction not.
+		    ].
+		].
+	    ].
+	    self assert:theRest ~= 1
+		description:'there is no prime factor of order theOrder'
+	].
     ].
 
     "
@@ -3920,35 +3935,34 @@
     |theBase theMersenne theRest theGcd theOldRest theOldGcd|
 
     theBase := 2.
-    132 to:135 do:[:theOrder | 
-        false " <<<< here i replaced some piece of code by false just to
-         reproduce the error without having to ship all my code >>>>" 
-                ifFalse:[
-                    theRest := ((theBase raisedTo:theOrder) - 1) / (theBase - 1).
-                    60 "theOrder - 1" to:67 do:[:theFactorOrder | 
-                        "/Transcript show:theOrder; space.
-                        "/Transcript showCR:theFactorOrder.
-                        (theOrder \\ theFactorOrder) = 0 ifTrue:[
-                            " <<<< is a divisor of the order >>>>"
-                            self assert:theFactorOrder ~= 131
-                                description:'131 ist kein Teiler von 132'.
-                            self assert:(theOrder / theFactorOrder) isFraction not.
-                            theMersenne := ((theBase raisedTo:theFactorOrder) - 1) / (theBase - 1).
-                            theGcd := theRest gcd:theMersenne.
-                            [ theGcd > 1 ] whileTrue:[
-                                self assert:theFactorOrder < 129.
-                                theOldRest := theRest asString.
-                                theOldGcd := theGcd asString.
-                                theRest := theRest / theGcd.
-                                theGcd := theGcd gcd:theRest.
-                                self assert:((theRest \\ theGcd) = 0).
-                                self assert:(theRest / theGcd) isFraction not.
-                            ].
-                        ].
-                    ].
-                    self assert:theRest ~= 1
-                        description:'there is no prime factor of order theOrder'
-                ].
+    132 to:135 do:[:theOrder |
+	false " <<<< here i replaced some piece of code by false just to
+	 reproduce the error without having to ship all my code >>>>"
+		ifFalse:[
+		    theRest := ((theBase raisedTo:theOrder) - 1) / (theBase - 1).
+		    60 "theOrder - 1" to:67 do:[:theFactorOrder |
+			"/Transcript show:theOrder; space.
+			"/Transcript showCR:theFactorOrder.
+			(theOrder \\ theFactorOrder) = 0 ifTrue:[
+			    " <<<< is a divisor of the order >>>>"
+			    self assert:theFactorOrder ~= 131 description:'131 ist kein Teiler von 132'.
+			    self assert:(theOrder / theFactorOrder) isFraction not.
+			    theMersenne := ((theBase raisedTo:theFactorOrder) - 1) / (theBase - 1).
+			    theGcd := theRest gcd:theMersenne.
+			    [ theGcd > 1 ] whileTrue:[
+				self assert:theFactorOrder < 129.
+				theOldRest := theRest asString.
+				theOldGcd := theGcd asString.
+				theRest := theRest / theGcd.
+				theGcd := theGcd gcd:theRest.
+				self assert:((theRest \\ theGcd) = 0).
+				self assert:(theRest / theGcd) isFraction not.
+			    ].
+			].
+		    ].
+		    self assert:theRest ~= 1
+			description:'there is no prime factor of order theOrder'
+		].
     ].
 
     "
@@ -3961,35 +3975,34 @@
     |theBase theMersenne theRest theGcd theOldRest theOldGcd|
 
     theBase := 2.
-    132 to:135 do:[:theOrder | 
-        false " <<<< here i replaced some piece of code by false just to
-         reproduce the error without having to ship all my code >>>>" 
-                ifFalse:[
-                    theRest := ((theBase raisedTo:theOrder) - 1) / (theBase - 1).
-                    2 to:theOrder - 1 do:[:theFactorOrder | 
-                        "/Transcript show:theOrder; space.
-                        "/Transcript showCR:theFactorOrder.
-                        (theOrder \\ theFactorOrder) = 0 ifTrue:[
-                            " <<<< is a divisor of the order >>>>"
-                            self assert:theFactorOrder ~= 131
-                                description:'131 ist kein Teiler von 132'.
-                            self assert:(theOrder / theFactorOrder) isFraction not.
-                            theMersenne := ((theBase raisedTo:theFactorOrder) - 1) / (theBase - 1).
-                            theGcd := theRest gcd:theMersenne.
-                            [ theGcd > 1 ] whileTrue:[
-                                self assert:theFactorOrder < 129.
-                                theOldRest := theRest asString.
-                                theOldGcd := theGcd asString.
-                                theRest := theRest / theGcd.
-                                theGcd := theGcd gcd:theRest.
-                                self assert:((theRest \\ theGcd) = 0).
-                                self assert:(theRest / theGcd) isFraction not.
-                            ].
-                        ].
-                    ].
-                    self assert:theRest ~= 1
-                        description:'there is no prime factor of order theOrder'
-                ].
+    132 to:135 do:[:theOrder |
+	false " <<<< here i replaced some piece of code by false just to
+	 reproduce the error without having to ship all my code >>>>"
+		ifFalse:[
+		    theRest := ((theBase raisedTo:theOrder) - 1) / (theBase - 1).
+		    2 to:theOrder - 1 do:[:theFactorOrder |
+			"/Transcript show:theOrder; space.
+			"/Transcript showCR:theFactorOrder.
+			(theOrder \\ theFactorOrder) = 0 ifTrue:[
+			    " <<<< is a divisor of the order >>>>"
+			    self assert:theFactorOrder ~= 131 description:'131 ist kein Teiler von 132'.
+			    self assert:(theOrder / theFactorOrder) isFraction not.
+			    theMersenne := ((theBase raisedTo:theFactorOrder) - 1) / (theBase - 1).
+			    theGcd := theRest gcd:theMersenne.
+			    [ theGcd > 1 ] whileTrue:[
+				self assert:theFactorOrder < 129.
+				theOldRest := theRest asString.
+				theOldGcd := theGcd asString.
+				theRest := theRest / theGcd.
+				theGcd := theGcd gcd:theRest.
+				self assert:((theRest \\ theGcd) = 0).
+				self assert:(theRest / theGcd) isFraction not.
+			    ].
+			].
+		    ].
+		    self assert:theRest ~= 1
+			description:'there is no prime factor of order theOrder'
+		].
     ].
 
     "
@@ -4007,4 +4020,3 @@
 version_CVS
     ^ '$Header$'
 ! !
-