NAG Library Function Document

nag_glopt_bnd_mcs_optset_real (e05jgc)

1

Purpose

2

Specification

3

Description

loctol = 1.0e-10;
e05jgc ('Local Searches Tolerance', loctol, &state, &fail);

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References

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Arguments

1:    $\mathbf{optstr}$ – const char *Input

On entry: a string identifying a real-valued optional parameter (as described in Section 12 in nag_glopt_bnd_mcs_solve (e05jbc)).

2:    $\mathbf{rvalue}$ – doubleInput

On entry: the value associated with the optional parameter in optstr.

3:    $\mathbf{state}$ – Nag_E05State *Communication Structure

state contains information required by other functions in this suite. You must not modify it directly in any way.

4:    $\mathbf{fail}$ – NagError *Input/Output

The NAG error argument (see Section 3.7 in How to Use the NAG Library and its Documentation).

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Error 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.

NE_BAD_PARAM

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.

NE_NOT_INIT

Initialization function nag_glopt_bnd_mcs_init (e05jac) has not been called.

NE_OPT_NOT_READ

The supplied optional parameter is invalid. A keyword or keyword combination was not recognized.

NE_OUT_OF_RANGE

Attempt to assign an out-of-bounds value of $\mathbf{Infinite\; Bound\; Size}$ ($\mathit{infbnd}$): $\mathit{infbnd}=〈\mathit{\text{value}}〉$.

Attempt to assign too small a value of $\mathbf{Local\; Searches\; Tolerance}$ ($\mathit{loctol}$): $\mathit{loctol}=〈\mathit{\text{value}}〉$.

Attempt to assign too small a value of $\mathbf{Target\; Objective\; Error}$ ($\mathit{objerr}$): $\mathit{objerr}=〈\mathit{\text{value}}〉$.

Attempt to assign too small a value of $\mathbf{Target\; Objective\; Safeguard}$ ($\mathit{objsfg}$): $\mathit{objsfg}=〈\mathit{\text{value}}〉$.

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Accuracy

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Parallelism and Performance

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Further Comments

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Example