histogram_base.py 文件源码

def _coerce_dtype(self, other_dtype):
        """Possibly change the bin content type to allow correct operations with other operand.

        Parameters
        ----------
        other_dtype : np.dtype or type
        """
        new_dtype = np.find_common_type([self.dtype, np.dtype(other_dtype)], [])
        if new_dtype != self.dtype:
            self.dtype = new_dtype