public IValue log(INumber x, INumber base) {
try {
return x.toReal().log(base.toReal(), values.getPrecision());
} catch (ArithmeticException ae) {
throw RuntimeExceptionFactory.arithmeticException(ae.getMessage(), null, null);
}
}
public IValue precision(INumber x) {
if (x.getType().isIntegerType()) {
IInteger k = (IInteger) x;
return values.integer(k.toReal().precision());
}
if (x.getType().isRationalType()) {
IRational k = (IRational) x;
return values.integer(k.toReal().precision());
}
return values.integer(((IReal) x).precision());
}
public IValue scale(INumber x) {
try {
if (x.getType().isIntegerType()) {
IInteger k = (IInteger) x;
return values.integer(k.toReal().scale());
}
if (x.getType().isRationalType()) {
IRational k = (IRational) x;
return values.integer(k.toReal().scale());
}
return values.integer(((IReal) x).scale());
} catch (ArithmeticException ae) {
throw RuntimeExceptionFactory.arithmeticException(ae.getMessage(), null, null);
}
}
public IValue pow(INumber x, IInteger y) {
try {
return x.toReal().pow(y);
} catch (ArithmeticException ae) {
throw RuntimeExceptionFactory.arithmeticException(ae.getMessage(), null, null);
}
}
public IValue nroot(INumber x, IInteger y) {
try {
return x.toReal().nroot(y, values.getPrecision());
} catch (ArithmeticException ae) {
throw RuntimeExceptionFactory.arithmeticException(ae.getMessage(), null, null);
}
}
public IValue toString(INumber d)
// @doc{toString -- convert a real to a string.}
{
return values.string(d.toString());
}
public IValue toReal(INumber n)
// @doc{toReal -- convert a number value to a real value.}
{
return n.toReal();
}
public IValue toInt(INumber d)
// @doc{toInteger -- convert a real to integer.}
{
return d.toInteger();
}
public IValue round(INumber d) {
return d.toReal().round().toInteger();
}
public IValue precision(INumber x, IInteger precision) {
return values.real(x.toString(), precision.intValue());
}