e04nyc is used to get the value of a double optional parameter.
e04nyc can be used before or after calling
e04nqc.
e04nyc obtains the current value of a double option. For example
e04nyc ("Feasibility Tolerance", &featol, &state, &fail);
will result in the value of the optional parameter
being output in
featol.
A complete list of optional parameters, their abbreviations, synonyms and default values is given in
Section 12 in
e04nqc.
None.
Not applicable.
None.