NAG Library Function Document

nag_opt_sparse_convex_qp_option_get_double (e04nyc)

1  Purpose

2  Specification

3  Description

e04nyc ("Feasibility Tolerance", &featol, &state, &fail);

4  References

5  Arguments

1:     string – const char *Input

On entry: a single valid keyword of a double optional argument (as described in Section 12 in nag_opt_sparse_convex_qp_solve (e04nqc)).

2:     rvalue – double *Output

On exit: the double value associated with the keyword in string.

3:     state – Nag_E04State *Communication Structure

state contains internal information required for functions in this suite. It must not be modified in any way.

4:     fail – NagError *Input/Output

The NAG error argument (see Section 3.6 in the Essential Introduction).

6  Error Indicators and Warnings

NE_BAD_PARAM

On entry, argument $⟨\mathit{\text{value}}⟩$ had an illegal value.

NE_E04_OPTION_INVALID

The supplied option string is invalid. Check that the keywords are neither ambiguous nor misspelt. The option string is ‘$⟨\mathit{\text{value}}⟩$’.

NE_E04NPC_NOT_INIT

Initialization function nag_opt_sparse_convex_qp_init (e04npc) has not been called.

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.

7  Accuracy

8  Parallelism and Performance

9  Further Comments

10  Example