Example usage for java.lang Double doubleToLongBits

Introduction

In this page you can find the example usage for java.lang Double doubleToLongBits.

Prototype

@HotSpotIntrinsicCandidate
public static long doubleToLongBits(double value)

Source Link

Document

Returns a representation of the specified floating-point value according to the IEEE 754 floating-point "double format" bit layout.

Usage

From source file:com.opengamma.analytics.math.surface.InterpolatedSurfaceAdditiveShiftFunction.java

/**
 * {@inheritDoc}//from   w w w  . j a  v  a2  s .  c o  m
 */
@Override
public InterpolatedDoublesSurface evaluate(final InterpolatedDoublesSurface surface, final double x,
        final double y, final double shift, final String newName) {
    Validate.notNull(surface, "surface");
    final double[] xData = surface.getXDataAsPrimitive();
    final double[] yData = surface.getYDataAsPrimitive();
    final double[] zData = surface.getZDataAsPrimitive();
    final int n = xData.length;
    for (int i = 0; i < n; i++) {
        if (Double.doubleToLongBits(xData[i]) == Double.doubleToLongBits(x)) {
            if (Double.doubleToLongBits(yData[i]) == Double.doubleToLongBits(y)) {
                final double[] shiftedZ = Arrays.copyOf(zData, n);
                shiftedZ[i] += shift;
                return InterpolatedDoublesSurface.from(xData, yData, shiftedZ, surface.getInterpolator(),
                        newName);
            }
        }
    }
    final double[] newX = new double[n + 1];
    final double[] newY = new double[n + 1];
    final double[] newZ = new double[n + 1];
    for (int i = 0; i < n; i++) {
        newX[i] = xData[i];
        newY[i] = yData[i];
        newZ[i] = zData[i];
    }
    newX[n] = x;
    newY[n] = y;
    newZ[n] = surface.getZValue(x, y) + shift;
    return InterpolatedDoublesSurface.from(newX, newY, newZ, surface.getInterpolator(), newName);
}

From source file:com.addthis.bundle.value.DefaultDouble.java

@Override
public ValueBytes asBytes() throws ValueTranslationException {
    return ValueFactory.create(LessBytes.toBytes(Double.doubleToLongBits(value)));
}

From source file:com.opengamma.analytics.financial.interestrate.payments.derivative.PaymentFixed.java

@Override
public boolean equals(Object obj) {
    if (this == obj) {
        return true;
    }//ww w .ja  v  a  2 s  .  c o m
    if (!super.equals(obj)) {
        return false;
    }
    if (getClass() != obj.getClass()) {
        return false;
    }
    PaymentFixed other = (PaymentFixed) obj;
    if (Double.doubleToLongBits(_amount) != Double.doubleToLongBits(other._amount)) {
        return false;
    }
    return true;
}

From source file:edu.oregonstate.eecs.mcplan.domains.racetrack.AccelerateAction.java

@Override
public int hashCode() {
    final long bits = (41 + 37 * Double.doubleToLongBits(v)) * 43 + Double.doubleToLongBits(theta);
    return (int) (bits ^ (bits >>> 32));
}

From source file:com.opengamma.analytics.math.surface.InterpolatedSurfaceMultiplicativeShiftFunction.java

/**
 * {@inheritDoc}//from w  w w. j  a  v a 2s. c om
 */
@Override
public InterpolatedDoublesSurface evaluate(final InterpolatedDoublesSurface surface, final double x,
        final double y, final double percentage, final String newName) {
    Validate.notNull(surface, "surface");
    final double[] xData = surface.getXDataAsPrimitive();
    final double[] yData = surface.getYDataAsPrimitive();
    final double[] zData = surface.getZDataAsPrimitive();
    final int n = xData.length;
    for (int i = 0; i < n; i++) {
        if (Double.doubleToLongBits(xData[i]) == Double.doubleToLongBits(x)) {
            if (Double.doubleToLongBits(yData[i]) == Double.doubleToLongBits(y)) {
                final double[] shiftedZ = Arrays.copyOf(zData, n);
                shiftedZ[i] *= 1 + percentage;
                return InterpolatedDoublesSurface.from(xData, yData, shiftedZ, surface.getInterpolator(),
                        newName);
            }
        }
    }
    final double[] newX = new double[n + 1];
    final double[] newY = new double[n + 1];
    final double[] newZ = new double[n + 1];
    for (int i = 0; i < n; i++) {
        newX[i] = xData[i];
        newY[i] = yData[i];
        newZ[i] = zData[i];
    }
    newX[n] = x;
    newY[n] = y;
    newZ[n] = surface.getZValue(x, y) + percentage;
    return InterpolatedDoublesSurface.from(newX, newY, newZ, surface.getInterpolator(), newName);
}

From source file:com.opengamma.analytics.math.surface.NodalSurfaceAdditiveShiftFunction.java

/**
 * {@inheritDoc}//from  ww  w.  ja  v a 2  s.  c  o  m
 * @throws IllegalArgumentException If the point to shift is not a nodal point of the surface 
 */
@Override
public NodalDoublesSurface evaluate(final NodalDoublesSurface surface, final double x, final double y,
        final double shift, final String newName) {
    Validate.notNull(surface, "surface");
    final double[] xData = surface.getXDataAsPrimitive();
    final double[] yData = surface.getYDataAsPrimitive();
    final double[] zData = surface.getZDataAsPrimitive();
    final int n = zData.length;
    for (int i = 0; i < n; i++) {
        if (Double.doubleToLongBits(xData[i]) == Double.doubleToLongBits(x)) {
            if (Double.doubleToLongBits(yData[i]) == Double.doubleToLongBits(y)) {
                final double[] shiftedZ = Arrays.copyOf(zData, n);
                shiftedZ[i] += shift;
                return NodalDoublesSurface.from(xData, yData, shiftedZ, newName);
            }
        }
    }
    throw new IllegalArgumentException("No x-y data in surface for (" + x + ", " + y + ")");
}

From source file:com.opengamma.analytics.math.statistics.distribution.NonCentralChiSquaredDistribution.java

private double getFraserApproxCDF(final double x) {
    final double s = Math.sqrt(_lambdaOverTwo * 2.0);
    final double mu = Math.sqrt(x);
    double z;/*www .j  a va 2 s  . co  m*/
    if (Double.doubleToLongBits(mu) == Double.doubleToLongBits(s)) {
        z = (1 - _dofOverTwo * 2.0) / 2 / s;
    } else {
        z = mu - s - (_dofOverTwo * 2.0 - 1) / 2 * (Math.log(mu) - Math.log(s)) / (mu - s);
    }
    return (new NormalDistribution(0, 1)).getCDF(z);
}

From source file:com.opengamma.analytics.financial.model.option.definition.GapOptionDefinition.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = super.hashCode();
    long temp;/* ww w  . j av a2 s  . c  om*/
    temp = Double.doubleToLongBits(_payoffStrike);
    result = prime * result + (int) (temp ^ (temp >>> 32));
    return result;
}

From source file:Main.java

/**
 * Converts a <code>double</code> value to a sortable signed <code>long</code>.
 * The value is converted by getting their IEEE 754 floating-point &quot;double format&quot;
 * bit layout and then some bits are swapped, to be able to compare the result as long.
 * By this the precision is not reduced, but the value can easily used as a long.
 * The sort order (including {@link Double#NaN}) is defined by
 * {@link Double#compareTo}; {@code NaN} is greater than positive infinity.
 * @see #sortableLongToDouble//from  w ww. j  av  a 2 s. c  o m
 */
public static long doubleToSortableLong(double val) {
    long f = Double.doubleToLongBits(val);
    if (f < 0)
        f ^= 0x7fffffffffffffffL;
    return f;
}

From source file:com.opengamma.analytics.financial.model.option.definition.CashOrNothingOptionDefinition.java

@Override
public int hashCode() {
    final int prime = 31;
    int result = super.hashCode();
    long temp;/*  w  w w .j  a  v  a 2s.c  om*/
    temp = Double.doubleToLongBits(_payment);
    result = prime * result + (int) (temp ^ (temp >>> 32));
    return result;
}