Initializing help system before first use

XSLPgetindex

Purpose
Retrieve the index of an Xpress NonLinear entity with a given name
Synopsis
int XPRS_CC XSLPgetindex(XSLPprob prob, int type, char *name, int *p_index);
Arguments
prob 
The current SLP problem.
type 
type of entity. The following are defined:
XSLP_USERFUNCNAMES 
(=6) User functions;
XSLP_INTERNALFUNCNAMES 
(=7) Internal functions;
XSLP_USERFUNCNAMESNOCASE 
(=8) User functions, case insensitive;
XSLP_INTERNALFUNCNAMESNOCASE 
(=9) Internal functions, case insensitive;

The constants 1 (for row names) and 2 (for column names) may also be used.
name 
Character string containing the name, terminated by a null character.
p_index 
Integer to receive the index of the item.
Example
The following example retrieves the index of the internal SIN function using both an upper-case and a lower case version of the name. 
int UpperIndex, LowerIndex;
XSLPgetindex(prob, XSLP_INTERNALFUNCNAMESNOCASE,
             "SIN", &UpperIndex);
XSLPgetindex(prob, XSLP_INTERNALFUNCNAMESNOCASE,
             "sin", &LowerIndex);
UpperIndex and LowerIndex will contain the same value because the search was made using case-insensitive matching.
Further information

All entities count from 1. This includes the use of 1 or 2 (row or column) for type. A value of zero returned in p_index means there is no matching item. The case-insensitive types will find the first match regardless of the case of name or of the defined function.



Parent Topic Library functions

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