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Date:         Mon, 7 Jan 2002 12:34:00 +0100
Reply-To:     Peter Crawford <peter.crawford@DB.COM>
Sender:       "SAS(r) Discussion" <SAS-L@LISTSERV.UGA.EDU>
From:         Peter Crawford <peter.crawford@DB.COM>
Subject:      Re: problem with comparing digits
Content-type: text/plain; charset=iso-8859-1

I've been watching with interest On os390 and ibm-aix sas v8.1, I'm getting TrueFalse=1 However on winNT sas v8.1 TrueFalse=0

So I checked just a little further. ( I can't find any earlier reference to this) Rounding to non-integer, produces TrueFalse=0 Rounding to the integer, produces "equality" 1 as in this small extension of the test case 55 data _null_; 56 A = '406C04395810624E' ; 57 B = '406C04395810624D' ; 58 An = Input(A, Hex16.) ; 59 Bn = Input(B, Hex16.) ; 60 Ar = Round(An, .001) ; 61 Br = Round(Bn, .001) ; 62 Bi = Round(1000*Bn, 1) ; 63 Ai = Round(1000*An, 1) ; 64 Put An= An=Hex16. Ar=Hex16.; 65 Put Bn= Bn=Hex16. Br=Hex16.; 66 TrueFalse = Ar Eq Br; 67 Put TrueFalse=; 68 Put ai= ai=Hex16. ; 69 Put Bi= Bi=Hex16.; 70 TrueFalsI = Ai Eq Bi; 71 Put TrueFalsI=; 72 run;

An=224.132 An=406C04395810624E Ar=406C04395810624E Bn=224.132 Bn=406C04395810624D Br=406C04395810624D TrueFalse=0 Ai=224132 Ai=410B5C2000000000 Bi=224132 Bi=410B5C2000000000 TrueFalsI=1 NOTE: DATA statement used:

Regards Peter Crawford

Datum: 07/01/2002 10:38 An: SAS-L@LISTSERV.UGA.EDU

Antwort an: "Vyverman, Koen" <koen.vyverman@FID-INTL.COM>

Betreff: Re: problem with comparing digits Nachrichtentext:

Allow me to chime in and add another dissonant chord to the cacophony ...

26 data _Null_ ; 27 A = '406C04395810624E' ; 28 An = Input(A, Hex16.) ; 29 Ar = Round(An, .001) ; 30 Put An= An=Hex16. Ar=Hex16.; 31 B = '406C04395810624D' ; 32 Bn = Input(B, Hex16.) ; 33 Br = Round(Bn, .001) ; 34 Put Bn= Bn=Hex16. Br=Hex16.; 35 TrueFalse = Ar Eq Br; 36 Put TrueFalse=; 37 run;

An=224.132 An=406C04395810624E Ar=406C04395810624E Bn=224.132 Bn=406C04395810624D Br=406C04395810624E TrueFalse=1

System: WinNT4.0 SP6 Build 1381 SAS: 8.2 (TS2M0), all relevant hotfixes applied. Processor: x86 Family 6 Model 8 Stepping 3 GenuineIntel

Cheers, Koen V.

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