List of newDfp() Examples

Examples of newDfp()

org.apache.commons.math3.dfp.DfpField.newDfp()
Makes a {@link Dfp} with a value of 0. @return a new {@link Dfp} with a value of 0

Examples of org.apache.commons.math3.dfp.DfpField.newDfp()

        DfpField field = new DfpField(30);
        FieldHermiteInterpolator<Dfp> interpolator = new FieldHermiteInterpolator<Dfp>();
        for (Dfp x = field.getZero(); x.getReal() < FastMath.PI; x = x.add(0.5)) {
            interpolator.addSamplePoint(x, new Dfp[] { x.sin() });
        }
        for (Dfp x = field.newDfp(0.1); x.getReal() < 2.9; x = x.add(0.01)) {
            Dfp y = interpolator.value(x)[0];
            Assert.assertEquals( x.sin().getReal(), y.getReal(), 3.5e-5);
        }
    }

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Examples of org.apache.commons.math3.dfp.DfpField.newDfp()

        DfpField field = new DfpField(30);
        FieldHermiteInterpolator<Dfp> interpolator = new FieldHermiteInterpolator<Dfp>();
        for (Dfp x = field.getOne(); x.getReal() < 3.6; x = x.add(0.5)) {
            interpolator.addSamplePoint(x, new Dfp[] { x.sqrt() });
        }
        for (Dfp x = field.newDfp(1.1); x.getReal() < 3.5; x = x.add(0.01)) {
            Dfp y = interpolator.value(x)[0];
            Assert.assertEquals(x.sqrt().getReal(), y.getReal(), 1.5e-4);
        }
    }

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Examples of org.apache.commons.math3.dfp.DfpField.newDfp()

    @Test
    public void testIntPow() {
        final int maxExp = 300;
        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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