NAME
AI::MXNet::Base - Helper functions
DEFINITION
Helper functions
zip
Perl version of for x,y,z in zip (arr_x, arr_y, arr_z)
Parameters
----------
$sub_ref, called with @_ filled with $arr_x->[$i], $arr_y->[$i], $arr_z->[$i]
for each loop iteration.
@array_refs
enumerate
Same as zip, but the argument list in the anonymous sub is prepended
by the iteration count.
product
Calculates the product of the input agruments.
bisect_left
https://hg.python.org/cpython/file/2.7/Lib/bisect.py
pdl_shuffle
Shuffle the pdl by the last dimension
Parameters
-----------
PDL $pdl
$preshuffle Maybe[ArrayRef[Index]], if defined the array elements are used
as shuffled last dimension's indexes
assert
Parameters
-----------
Bool $input
Str $error_str
Calls Carp::confess with $error_str//"AssertionError" if the $input is false
check_call
Checks the return value of C API call
This function will raise an exception when error occurs.
Every API call is wrapped with this function.
Returns the C API call return values stripped of first return value,
checks for return context and returns first element in
the values list when called in scalar context.
build_param_doc
Builds argument docs in python style.
arg_names : array ref of str
Argument names.
arg_types : array ref of str
Argument type information.
arg_descs : array ref of str
Argument description information.
remove_dup : boolean, optional
Whether to remove duplication or not.
Returns
-------
docstr : str
Python docstring of parameter sections.
_notify_shutdown
Notify MXNet about shutdown.