Module hal::utils

Functions

array_to_rows	convert an array into a vector of rows
array_to_vec	convery an array to a single vector [loses dimensions]
assert_types	Helper to assert all types in a vector are the same
cast
constant	Helper to return a constant value based on type
dir_exists	Returns true if the directory exists (and is a dir)
download	Pull a file from URL to a location destination
file_exists	Returns true if the file exists (and is a file)
gradient_check	Gradient checking helper
normalize
normalize_array
numerical_gradient	Numerical gradient calculator
raw_to_array	Convert a generic vector to an Array
read_csv
row_plane
row_planes
rows_to_array
scale
set_row_plane
set_row_planes
shuffle_array
shuffle_matrix
swap_col
swap_row
ungzip
untar
vec_to_array	Convert a vector of elements to a vector of Array
verify_gradient_kinks	Gradient checking helper for objective with 'kinks' like: relu, lrelu, etc
verify_gradient_smooth	Gradient checking helper for smooth functions like : tanh / sigmoid / softmax
write_csv