parameters: (x)
return_statement: return isinstance(x, bsr_matrix)
docstring: Is x of a bsr_matrix type?
  
      Parameters
      ----------
      x
          object to check for being a bsr matrix
  
      Returns
      -------
      bool
          True if x is a bsr matrix, False otherwise
  
      Examples
      --------
      >>> from scipy.sparse import bsr_matrix, isspmatrix_bsr
      >>> isspmatrix_bsr(bsr_matrix([[5]]))
      True
  
      >>> from scipy.sparse import bsr_matrix, csr_matrix, isspmatrix_bsr
      >>> isspmatrix_bsr(csr_matrix([[5]]))
      False
docstring_summary: Is x of a bsr_matrix type?
docstring_tokens: Is x of a bsr_matrix type?
function: def isspmatrix_bsr(x):
      """Is x of a bsr_matrix type?
  
      Parameters
      ----------
      x
          object to check for being a bsr matrix
  
      Returns
      -------
      bool
          True if x is a bsr matrix, False otherwise
  
      Examples
      --------
      >>> from scipy.sparse import bsr_matrix, isspmatrix_bsr
      >>> isspmatrix_bsr(bsr_matrix([[5]]))
      True
  
      >>> from scipy.sparse import bsr_matrix, csr_matrix, isspmatrix_bsr
      >>> isspmatrix_bsr(csr_matrix([[5]]))
      False
      """
      return isinstance(x, bsr_matrix)
function_tokens: def isspmatrix_bsr ( x ) : return isinstance ( x , bsr_matrix )