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Target audience: CAST AI Administrators |
Introduction
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CAST OMG-compliant Automated Function Points technology is an automatic function points counting method. OMG defines such automatic function points counting methods in the following specification: Automated Function Points (AFP) - Object Management Group
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The table below summarizes these differences:
| Mode | Transaction Call Graph | Adjustment Factor | Evolution |
|---|---|---|---|
| EFP | Reduced | Impact Factor (fixed user-defined formula) | Only Functional |
| AEP | Full | Complexity Facto r(dynamic OMG-defined formula) | Functional and Technical |
Log messages when using the measures regarding full or reduced call graphs
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The ILF OMG-compliant Automated Function Points is computed as follows:
1 to 19 DET | 20 to 50 DET | 51 or more DET | |
0 or 1 RET | Low = 7 FP | Low = 7 FP | Average = 10 FP |
2 - 5 RET | Low = 7 FP | Average = 10 FP | High = 15 FP |
6 or more RET | Average = 10 FP | High = 15 FP | High = 15 FP |
The EIF OMG-compliant Automated Function Points is computed as follows:
1 to 19 DET | 20 to 50 DET | 51 or more DET | |
0 or 1 RET | Low = 5 FP | Low = 5 FP | Average = 7 FP |
2 - 5 RET | Low = 5 FP | Average = 7 FP | High = 10 FP |
6 or more RET | Average = 7 FP | High = 10 FP | High = 10 FP |
Compute Unadjusted Data Functions (sum of all Entities Function Points)
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For the other languages such as pure Java, C/C++, Cobol, the entry points list is created using the Transaction Configuration Center user setup (see Calibration using Transaction Configuration Center below).
Identify the tables used directly or indirectly by each entry point (FTR)
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The EI number of Function Points is computed as follows:
1 to 4 DET | 5 to 15 DET | > 15 DET | |
0 or 1 FTR | Low = 3 FP | Low = 3 FP | Average = 4 FP |
2 FTR | Low = 3 FP | Average = 4 FP | High = 6 FP |
> 2 FTR | Average = 4 FP | High = 6 FP | High = 6 FP |
The EO/EQ transaction type will be computed as follows:
1 to 5 DET | 6 to 19 DET | > 19 DET | |
0 or 1 FTR | Low = 4 FP | Low = 4 FP | Average = 5 FP |
2-3 FTR | Low = 4 FP | Average = 5 FP | High = 7 FP |
> 3 FTR | Average = 5 FP | High = 7 FP | High = 7 FP |
When Insert/Update/Delete/Select information is not available, the default value is set to be the ones used for EI and EQ.
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