Simple signum function -- note that it returns the FP sign of the input (and never zero)

\returns the number of columns. \sa rows(), ColsAtCompileTime*/

Fill a HDR bitmap with plausible values. Returns the maximum value

Return the height of the widget

\deprecated use isEmpty() */

\returns a constant reference to the unit normal vector of the plane, which corresponds * to the linear part of the implicit equation. */

Only plain matrices/arrays, not expressions, may be resized; therefore the only useful resize methods are * Matrix::resize() and Array::resize(

Resize the kd-tree array

Density of \ref squareToCosineHemisphere() with respect to solid angles

the edge passed in here does not cross the vertical line at x or the vertical line at x+1 (i.e. it has already been clipped to those)

\returns the \c z coefficient */

\returns the absolute distance between the plane \c *this and a point \a p. * \sa signedDistance() */

Return a reference to the data associated with the current thread

Returns the specified attribute of the specified GLXFBConfig

Given the current node's index, return the index of the left child

Return the lowest-valued spectral sample

\returns the number of rows. \sa cols(), RowsAtCompileTime */

Arccosine variant that gracefully handles arguments > 1 that are due to roundoff errors

Default constructor Start a series of r trials:

\returns the dot product of \c *this and \a other * Geometrically speaking, the dot product of two unit quaternions * corresponds to the cos

\returns true if the box is empty. * \sa setEmpty */

Return the highest-valued spectral sample

Cause all widgets to re-synchronize with the underlying variable state

Sets all coefficients to zero. */

Return the width of the widget

\returns a const pointer to the data array of this matrix */

Prints ``msg`` to the console in color with ``(!)`` prepended in color. Example (uncolorized) output of ``exclaimError("No leading space

* \brief Compute the exponential of a quaternion with * scalar part w = 0. * * Based on code the appendix of * "Quaternion Calculus for Comput

Return whether or not this widget is currently focused