/** create */
protected OptimizationBasedFitter() {
super();
Throwable cannot;
cannot = null;
try {
ReflectionUtils.ensureClassesAreLoaded( //
"org.apache.commons.math3.analysis.MultivariateFunction", //$NON-NLS-1$
"org.apache.commons.math3.exception.MathIllegalStateException", //$NON-NLS-1$
"org.apache.commons.math3.exception.NumberIsTooSmallException", //$NON-NLS-1$
"org.apache.commons.math3.exception.OutOfRangeException", //$NON-NLS-1$
"org.apache.commons.math3.exception.util.LocalizedFormats", //$NON-NLS-1$
"org.apache.commons.math3.fitting.leastsquares.LeastSquaresOptimizer", //$NON-NLS-1$
"org.apache.commons.math3.fitting.leastsquares.LeastSquaresProblem", //$NON-NLS-1$
"org.apache.commons.math3.fitting.leastsquares.LevenbergMarquardtOptimizer", //$NON-NLS-1$
"org.apache.commons.math3.linear.Array2DRowRealMatrix", //$NON-NLS-1$
"org.apache.commons.math3.linear.ArrayRealVector", //$NON-NLS-1$
"org.apache.commons.math3.linear.QRDecomposition", //$NON-NLS-1$
"org.apache.commons.math3.linear.RealMatrix", //$NON-NLS-1$
"org.apache.commons.math3.linear.RealVector", //$NON-NLS-1$
"org.apache.commons.math3.optim.ConvergenceChecker", //$NON-NLS-1$
"org.apache.commons.math3.optim.InitialGuess", //$NON-NLS-1$
"org.apache.commons.math3.optim.MaxEval", //$NON-NLS-1$
"org.apache.commons.math3.optim.MaxIter", //$NON-NLS-1$
"org.apache.commons.math3.optim.PointValuePair", //$NON-NLS-1$
"org.apache.commons.math3.optim.SimpleBounds", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.GoalType", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.MultivariateOptimizer", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.ObjectiveFunction", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.noderiv.BOBYQAOptimizer", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.noderiv.CMAESOptimizer", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.noderiv.NelderMeadSimplex", //$NON-NLS-1$
"org.apache.commons.math3.optim.nonlinear.scalar.noderiv.SimplexOptimizer", //$NON-NLS-1$
"org.apache.commons.math3.random.JDKRandomGenerator", //$NON-NLS-1$
"org.apache.commons.math3.util.FastMath", //$NON-NLS-1$
"org.apache.commons.math3.util.Incrementor" //$NON-NLS-1$
);
} catch (final Throwable error) {
cannot = error;
}
this.m_error = cannot;
}
/** {@inheritDoc} */
@Override
public final int parseInt(final String string) {
final _PreparedString prep;
int retVal;
String str;
_TextConst cnst;
Object number;
int base;
checker:
{
try {
// first we try to cast the string directly to a int
// this will be the fast execution path for 'correctly' formatted
// numbers
retVal = java.lang.Integer.parseInt(string);
break checker;
} catch (final NumberFormatException origNumberError) {
// ok, the string does not follow java's default number format
// so now, we check whether it is hexadecimal/octal/binary
// formatted, a
// constant, or even a static member identifier
prep = new _PreparedString(string);
outer:
while ((str = prep.next()) != null) {
// we now iterate over the prepared strings: step-by-step, we
// will
// try
// to process the string by, e.g., trimming it; removing +, -, (,
// ),
// etc; removing internal white spaces and underscores (to match
// Java
// 7's new binary syntax) and so on - until we can either parse
// it or
// have to give up
if (str != string) {
// try again to parse the string directly
try {
retVal = prep.getReturn(java.lang.Integer.parseInt(str));
break checker;
} catch (final Throwable canBeIgnored) {
// we ignore this exception, as we will throw the original
// one
// on failure
}
}
// let's see if it was a constant in some other base
if ((str.length() > 2) && (str.charAt(0) == '0')) {
if ((base = _PreparedString._getBase(str.charAt(1))) != 0) {
try {
retVal = prep.getReturn(java.lang.Integer.parseInt(str.substring(2), base));
break checker;
} catch (final Throwable canBeIgnored) {
// we ignore this exception, as we will throw the original
// one
// on failure
}
}
}
// does the string correspond to a constant we know?
cnst = _TextConst.findConst(str);
if (cnst != null) {
if (cnst.hasInt()) {
retVal = prep.getReturn(cnst.m_i);
break checker;
}
break outer;
}
// ok, it is no constant, maybe it is a public static final
// member?
try {
number = ReflectionUtils.getInstanceByName(Object.class, str);
if ((number != null) && (number != string) && (number != str)) {
retVal = prep.getReturn(this.__parseObjectRaw(number));
break checker;
}
} catch (final Throwable canBeIgnored) {
// ignore this exception: it will be thrown if no member fits
// in which case we will throw the original error anyway at the
// end
}
}
// ok, all our ideas to resolve the number have failed - throw
// original
// error again
throw origNumberError;
}
}
this.validateInt(retVal);
return retVal;
}