Examples of org.apache.commons.math3.dfp.Dfp.toDouble()

org.apache.commons.math3.dfp.Dfp.toDouble()
Convert the instance into a double. @return a double approximating the instance @see #toSplitDouble()

        DfpField field = new DfpField(40);
        final double base = 1.23456789;
        Dfp baseDfp = field.newDfp(base);
        Dfp dfpPower = field.getOne();
        for (int i = 0; i < maxExp; i++) {
            Assert.assertEquals("exp=" + i, dfpPower.toDouble(), FastMath.pow(base, i),
                                0.6 * FastMath.ulp(dfpPower.toDouble()));
            dfpPower = dfpPower.multiply(baseDfp);
        }
    }

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        final double base = 1.23456789;
        Dfp baseDfp = field.newDfp(base);
        Dfp dfpPower = field.getOne();
        for (int i = 0; i < maxExp; i++) {
            Assert.assertEquals("exp=" + i, dfpPower.toDouble(), FastMath.pow(base, i),
                                0.6 * FastMath.ulp(dfpPower.toDouble()));
            dfpPower = dfpPower.multiply(baseDfp);
        }
    }


}

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                    refdfp = field.getPi().add(refdfp);
                else
                    refdfp = refdfp.subtract(field.getPi());
            }


            double ref = refdfp.toDouble();
            double err = (tst - ref) / ref;


            if (err != 0) {
                double ulp = Math.abs(ref -
                                      Double.longBitsToDouble((Double

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