PM69829: DXL function intOf(real) provides incorrect output for values in range -1.0 ? x ?= -0.5

Rational DOORS and DOORS Web Access 9.5

APAR status

• Closed as program error.

Error description

• The DXL Function intOf(real) provides incorrect output for
  values in range -1.0 ? x ?= -0.5
  For numbers in this range, the result is 0 instead of -1.
  
  Consider the following example:
  ------------------------------------
  real x = -0.9
  print intOf(x)
  
  The output produced is 0 instead of -1.
  
  More examples:
  ==================================
  x                        result
  -0.5                    0           (should be -1)
  -0.7                    0           (should be -1)
  -0.99                   0           (should be -1)
  ==================================
  

Local fix

Problem summary

• ****************************************************************
  * USERS AFFECTED:                                              *
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  * PROBLEM DESCRIPTION:                                         *
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  * RECOMMENDATION:                                              *
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  The DXL Function intOf(real) provides incorrect output for
  values in range -1.0 ? x ?= -0.5. The output produced is 0
  instead of -1
  

Problem conclusion

• The function which implements the perm intOf(real) is
  incorrect. Since existing customers are accustomed to the
  behavior of perm, a new perm is introduced to correct the
  issue. "RoundtoNearestInt" perm is introduced which will
  behave same as intOf except for the range -1.0 ? x ?= -0.5,
  wherein the real value will be rounded to nearest as
  expected. intOf() perm remains unchanged.
  

Temporary fix

Comments

APAR Information

• APAR is sysrouted FROM one or more of the following:

• APAR is sysrouted TO one or more of the following:

Fix information

• Fixed component name

  TLOGIC DOORS

• Fixed component ID

  5724V61DR

Applicable component levels

• R930 PSN

     UP