Java Code Examples for org.apache.commons.math3.util.FastMath#hypot()

The following examples show how to use org.apache.commons.math3.util.FastMath#hypot() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: NPEfix_00165_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 2
Source File: NPEfix_00158_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 3
Source File: NPEfix_00158_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 4
Source File: Line.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    unlinkReverse();
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = dx / d;
        sin          = dy / d;
        originOffset = MathArrays.linearCombination(p2.getX(), p1.getY(), -p1.getX(), p2.getY()) / d;
    }
}
Example 5
Source File: Line.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 6
Source File: NPEfix_00170_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 7
Source File: Line.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 8
Source File: NPEfix_00164_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 9
Source File: NPEfix_00171_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 10
Source File: NPEfix_00173_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 11
Source File: NPEfix_00167_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 12
Source File: NPEfix_00172_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 13
Source File: NPEfix_00163_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 14
Source File: CircleProblem.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
public double[] value(double[] params) {
    final double cx = params[0];
    final double cy = params[1];
    final double r = params[2];

    final double[] model = new double[points.size() * 2];

    for (int i = 0; i < points.size(); i++) {
        final Vector2D p = points.get(i);

        // Find the circle point closest to the observed point
        // (observed points are points add through the addPoint method above)
        final double dX = cx - p.getX();
        final double dY = cy - p.getY();
        final double scaling = r / FastMath.hypot(dX, dY);
        final int index  = i * 2;
        model[index]     = cx - scaling * dX;
        model[index + 1] = cy - scaling * dY;

    }

    return model;
}
Example 15
Source File: NPEfix_00167_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 16
Source File: Line.java    From astor with GNU General Public License v2.0 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 17
Source File: NPEfix_00161_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 18
Source File: NPEfix_00172_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 19
Source File: NPEfix_00160_t.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}
Example 20
Source File: NPEfix_00166_s.java    From coming with MIT License 6 votes vote down vote up 
/** Reset the instance as if built from two points.
 * <p>The line is oriented from p1 to p2</p>
 * @param p1 first point
 * @param p2 second point
 */
public void reset(final Vector2D p1, final Vector2D p2) {
    final double dx = p2.getX() - p1.getX();
    final double dy = p2.getY() - p1.getY();
    final double d = FastMath.hypot(dx, dy);
    if (d == 0.0) {
        angle        = 0.0;
        cos          = 1.0;
        sin          = 0.0;
        originOffset = p1.getY();
    } else {
        angle        = FastMath.PI + FastMath.atan2(-dy, -dx);
        cos          = FastMath.cos(angle);
        sin          = FastMath.sin(angle);
        originOffset = (p2.getX() * p1.getY() - p1.getX() * p2.getY()) / d;
    }
}