size()

template<typename T , require_nonscalar_prim_or_rev_kernel_expression_t< T > * = nullptr>

int64_t stan::math::size ( const T &  m )

inline

Returns the size (number of the elements) of a matrix_cl or var_value<matrix_cl<T>>.

Returns the size of the provided Eigen matrix, expression or std::vector.

Returns the length of primitive scalar types that are always of length 1.

Parameters

m	input to determine size of

Returns

number of elements in m

Parameters

m	input Eigen Matrix, expression or std::vector

Template Parameters

T

type of m

Definition at line 19 of file size.hpp.