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By setting the value of optfile to a number different from 1 then one can have multiple, situation dependent, option files for the same solver. The following alternatives apply.
Modelname.optfile Resultant File Example
setting Extension Name
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In general
| • | no option file is assumed unless the optfile attribute is set to a non zero value |
| • | if the option value is greater than or equal to 2 it is masked on top of the opt file extension with 999 being the largest value allowed. |
| • | Using such names can be convenient so one can have different option file settings for different cases. |
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