Sets the last row to [0 ... 0 1] */

\returns an expression of the matrix Q as products of sparse Householder reflectors. * The common usage of this function is to apply it to a dense

\returns the norm of the quaternion's coefficients * \sa Quaternion::squaredNorm(), MatrixBase::norm() */

Normalizes the quaternion \c *this * \sa normalized(), MatrixBase::normalize() */

\returns the size of the storage major dimension, * i.e., the number of columns for a columns major matrix, and the number of rows otherwise */

Resizes the matrix to a \a rows x \a cols matrix and initializes it to zero. * \sa resizeNonZeros(Index), reserve(), setZero() */

\internal */

\returns the squared norm of the quaternion's coefficients * \sa QuaternionBase::norm(), MatrixBase::squaredNorm() */

\returns an expression of the coefficient-wise tan of *this. * * Example: \include Cwise_tan.cpp * Output: \verbinclude Cwise_tan.out * * \s

\returns an equivalent rotation matrix */

To use for operations with the transpose of Q

* Return the array of nonzero values packed by column * * The size is nnz */

Returns a size suitable for creating a constant buffer, by rounding up to the next multiple of 16

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Returns the fractional part of x

Calculates the Fresnel factor using Schlick's approximation

Computes the specular term using a GGX microfacet distribution, with a matching geometry factor and visibility term. Based on "Microfacet Models for R

Returns the extension of the file path

Initializes the mesh as a box

Returns the incoming radiance along the ray specified by params.RayDir, computed using unidirectional path tracing

Calculates diffuse and specular contribution from the area light, given a 2D random sample point representing a location on the surface of the light

Returns a 2D sample from a particular pattern using correlated multi-jittered sampling [Kensler 2013]

Returns a random cosine-weighted direction on the hemisphere around z = 1

Variable parameters

Accessors

Writes the contents of a string to a file