Returns true if and only if n is a prime number.

Returns true if and only if "\\c" is a supported escape sequence.

\internal * Resize the nonzero vector to \a size */

Returns true if and only if the test failed.

\returns \c true if \c *this is approximately equal to \a other, within the precision * determined by \a prec. * * \sa MatrixBase::isApprox()

Swaps the content of two sparse matrices of the same type. * This is a fast operation that simply swaps the underlying pointers and parameters. */

\returns an expression of P H P^-1 where H is the matrix represented by \c *this */

Default constructor Start a series of r trials:

Constructs a uniform scaling from scale factor \a s */

Returns the number of live test objects that uses this fixture.

\returns the number of columns (resp. rows) of the matrix if the storage order column major (resp. row major) */

\returns the number of rows of the represented matrix. */

Returns the number of the test properties.

Gets the number of all tests.

Returns true if pathname describes a root directory. (Windows has one root directory per disk drive. UNC share roots are also included.)

Gets the elapsed time, in milliseconds.