# NAG Library Function Document

## 1Purpose

nag_opt_sparse_nlp_init (e04vgc) is used to initialize the function nag_opt_sparse_nlp_solve (e04vhc).

## 2Specification

 #include #include
 void nag_opt_sparse_nlp_init (Nag_E04State *state, NagError *fail)

## 3Description

nag_opt_sparse_nlp_init (e04vgc) initializes the structure state for the function nag_opt_sparse_nlp_solve (e04vhc).

None.

## 5Arguments

1:    $\mathbf{state}$Nag_E04State *Communication Structure
state contains internal information required for functions in this suite. It must not be modified in any way.
2:    $\mathbf{fail}$NagError *Input/Output
The NAG error argument (see Section 3.7 in How to Use the NAG Library and its Documentation).

## 6Error Indicators and Warnings

NE_ALLOC_FAIL
Dynamic memory allocation failed.
See Section 2.3.1.2 in How to Use the NAG Library and its Documentation for further information.
On entry, argument $〈\mathit{\text{value}}〉$ had an illegal value.
NE_INTERNAL_ERROR
An internal error has occurred in this function. Check the function call and any array sizes. If the call is correct then please contact NAG for assistance.
See Section 2.7.6 in How to Use the NAG Library and its Documentation for further information.
NE_NO_LICENCE
Your licence key may have expired or may not have been installed correctly.
See Section 2.7.5 in How to Use the NAG Library and its Documentation for further information.

Not applicable.

## 8Parallelism and Performance

nag_opt_sparse_nlp_init (e04vgc) is not threaded in any implementation.