Category : BASIC Source Code
Archive   : QB_CODE.ZIP
Filename : BSRCHLNG.BAS

 
Output of file : BSRCHLNG.BAS contained in archive : QB_CODE.ZIP
'
' BSRCHLNG.BAS - For the QuickBASIC Toolbox
' Long Integer Binary Search Function
'

'
' $INCLUDE: 'TOOLBOX.BI'
'

DEFINT A-Z

FUNCTION BSEARCHLNG (ARRAY&(), SKEY&)
LOWER = LBOUND(ARRAY&, 1)
UPPER = UBOUND(ARRAY&, 1)
WHILE LOWER <= UPPER
MIDDLE = (LOWER + UPPER) \ 2
SELECT CASE SKEY&
CASE ARRAY&(MIDDLE)
BSEARCHLNG = MIDDLE
EXIT FUNCTION
CASE IS < ARRAY&(MIDDLE)
UPPER = MIDDLE - 1
CASE ELSE
LOWER = MIDDLE + 1
END SELECT
WEND
BSEARCHLNG = LBOUND(ARRAY&, 1) - 1
END FUNCTION



  3 Responses to “Category : BASIC Source Code
Archive   : QB_CODE.ZIP
Filename : BSRCHLNG.BAS
”

  1. Daniel says:
    January 27, 2013 at 3:59 pm

    Very nice! Thank you for this wonderful archive. I wonder why I found it only now. Long live the BBS file archives!

  2. Joshie says:
    March 18, 2014 at 4:57 pm

    This is so awesome! 😀 I’d be cool if you could download an entire archive of this at once, though.

  3. DiskingRound says:
    January 14, 2015 at 10:57 pm

    But one thing that puzzles me is the “mtswslnkmcjklsdlsbdmMICROSOFT” string. There is an article about it here. It is definitely worth a read: http://www.os2museum.com/wp/mtswslnk/