check_pos_definite() [2/3]

template<typename Derived >

void stan::math::check_pos_definite ( const char *  function, const char *  name, const Eigen::LDLT< Derived > &  cholesky  )

inline

Check if the specified LDLT decomposition of a matrix is positive definite.

Template Parameters

Derived

type of the Eigen::LDLT decomposition

Parameters

function	function name (for error messages)
name	variable name (for error messages)
cholesky	Eigen::LDLT to test, whose progenitor must not have any NaN elements

Exceptions

std::domain_error

if the matrix is not positive definite

Definition at line 63 of file check_pos_definite.hpp.