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 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
Build 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 remove duplication or not.
Returns ------- docstr : str Python docstring of parameter sections.
_notify_shutdown
Notify MXNet about a shutdown.