This function checks that the initial guesses defined in the optimization
object are consistent with the defined bounds and the non linear inequality
constraints. The actual work is delegated to `optimbase.isfeasible`

.

1 | ```
optimbase.checkx0(this = NULL)
``` |

`this` |
An optimization object |

Return a list with the following elements:

- this
The optimization object.

- isok
TRUE if the initial guesses are consistent with the settings, FALSE otherwise.

Author of Scilab optimbase module: Michael Baudin (INRIA - Digiteo)

Author of R adaptation: Sebastien Bihorel (sb.pmlab@gmail.com)

Questions? Problems? Suggestions? Tweet to @rdrrHQ or email at ian@mutexlabs.com.

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