holding all parameters (and internal state variables) for
the iteration.

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<dt>real(wp), dimension(2,:) <i class='arg'>range</i><dd>
The minimum and maximum value for each independent variable.

<br><br>
<dt>real(wp), dimension(:) <i class='arg'>x</i><dd>
Upon return, estimate of each independent variable where the minimum is
attained.

<br><br>
<dt>real(wp) <i class='arg'>value</i><dd>
Estimate of the minimum value of the function (the value at x).

<br><br>
<dt>real(wp) function <