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BASIC Source File  |  1993-01-29  |  1.0 KB  |  26 lines
  1. '   +----------------------------------------------------------------------+
  2. '   |                                                                      |
  3. '   |        BASWIZ  Copyright (c) 1990-1993  Thomas G. Hanlin III         |
  4. '   |                                                                      |
  5. '   |                      The BASIC Wizard's Library                      |
  6. '   |                                                                      |
  7. '   +----------------------------------------------------------------------+
  8.  
  9.    DECLARE FUNCTION FracAbs$ (Nr AS STRING)
  10.    DECLARE FUNCTION FracSgn% (Nr AS STRING)
  11.    DECLARE FUNCTION FracSub$ (Nr1 AS STRING, Nr2 AS STRING)
  12.  
  13.    DEFINT A-Z
  14.  
  15. FUNCTION FracCompare% (Nr1 AS STRING, Nr2 AS STRING)
  16.    Sign1 = FracSgn%(Nr1)
  17.    Sign2 = FracSgn%(Nr2)
  18.    IF Sign1 = Sign2 THEN
  19.       FracCompare% = FracSgn%(FracSub$(FracAbs$(Nr1), FracAbs$(Nr2)))
  20.    ELSEIF Sign1 < Sign2 THEN
  21.       FracCompare% = -1
  22.    ELSE
  23.       FracCompare% = 1
  24.    END IF
  25. END FUNCTION
  26.