package owl

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package owl
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Library
Module
Module type
Parameter
Class
Class type
type elt = float
type arr = (float, Bigarray.float32_elt, Bigarray.c_layout) Bigarray.Genarray.t
Create N-dimensional array
val empty : int array -> arr
val create : int array -> elt -> arr
val init : int array -> (int -> elt) -> arr
val init_nd : int array -> (int array -> elt) -> arr
val zeros : int array -> arr
val ones : int array -> arr
val uniform : ?scale:float -> int array -> arr
val gaussian : ?sigma:float -> int array -> arr
val sequential : ?a:elt -> ?step:elt -> int array -> arr
val linspace : elt -> elt -> int -> arr
val logspace : ?base:float -> elt -> elt -> int -> arr
val bernoulli : ?p:float -> ?seed:int -> int array -> arr
Obtain basic properties
val shape : arr -> int array
val num_dims : arr -> int
val nth_dim : arr -> int -> int
val numel : arr -> int
val nnz : arr -> int
val density : arr -> float
val size_in_bytes : arr -> int
val same_shape : arr -> arr -> bool
val strides : arr -> int array
val slice_size : arr -> int array
val index_1d_nd : int -> int array -> int array
val index_nd_1d : int array -> int array -> int
Manipulate a N-dimensional array
val get : arr -> int array -> elt
val set : arr -> int array -> elt -> unit
val get_index : arr -> int array array -> elt array
val set_index : arr -> int array array -> elt array -> unit
val get_slice : Owl_types.index list -> arr -> arr
val set_slice : Owl_types.index list -> arr -> arr -> unit
val get_slice_simple : int list list -> arr -> arr
val set_slice_simple : int list list -> arr -> arr -> unit
val sub_left : arr -> int -> int -> arr
val slice_left : arr -> int array -> arr
val copy_to : arr -> arr -> unit
val reset : arr -> unit
val fill : arr -> elt -> unit
val copy : arr -> arr
val resize : ?head:bool -> arr -> int array -> arr
val reshape : arr -> int array -> arr
val flatten : arr -> arr
val reverse : arr -> arr
val flip : ?axis:int -> arr -> arr
val rotate : arr -> int -> arr
val transpose : ?axis:int array -> arr -> arr
val swap : int -> int -> arr -> arr
val tile : arr -> int array -> arr
val repeat : ?axis:int -> arr -> int -> arr
val concatenate : ?axis:int -> arr array -> arr
val split : ?axis:int -> int array -> arr -> arr array
val squeeze : ?axis:int array -> arr -> arr
val expand : arr -> int -> arr
val pad : ?v:elt -> int list list -> arr -> arr
val dropout : ?rate:float -> ?seed:int -> arr -> arr
val top : arr -> int -> int array array
val bottom : arr -> int -> int array array
val sort : arr -> unit
val mmap : Unix.file_descr -> ?pos:int64 -> bool -> int array -> arr
Iterate array elements
val iteri : ?axis:int option array -> (int array -> elt -> unit) -> arr -> unit
val iter : ?axis:int option array -> (elt -> unit) -> arr -> unit
val mapi : ?axis:int option array -> (int array -> elt -> elt) -> arr -> arr
val map : ?axis:int option array -> (elt -> elt) -> arr -> arr
val map2i : ?axis:int option array -> (int array -> elt -> elt -> elt) -> arr -> arr -> arr
val map2 : ?axis:int option array -> (elt -> elt -> elt) -> arr -> arr -> arr
val filteri : ?axis:int option array -> (int array -> elt -> bool) -> arr -> int array array
val filter : ?axis:int option array -> (elt -> bool) -> arr -> int array array
val foldi : ?axis:int option array -> (int array -> 'c -> elt -> 'c) -> 'c -> arr -> 'c
val fold : ?axis:int option array -> ('a -> elt -> 'a) -> 'a -> arr -> 'a
val iteri_slice : int array -> (int array array -> arr -> unit) -> arr -> unit
val iter_slice : int array -> (arr -> unit) -> arr -> unit
val iter2i : (int array -> elt -> elt -> unit) -> arr -> arr -> unit
val iter2 : (elt -> elt -> unit) -> arr -> arr -> unit
Examine array elements or compare two arrays
val exists : (elt -> bool) -> arr -> bool
val not_exists : (elt -> bool) -> arr -> bool
val for_all : (elt -> bool) -> arr -> bool
val is_zero : arr -> bool
val is_positive : arr -> bool
val is_negative : arr -> bool
val is_nonpositive : arr -> bool
val is_nonnegative : arr -> bool
val is_normal : arr -> bool
val not_nan : arr -> bool
val not_inf : arr -> bool
val equal : arr -> arr -> bool
val not_equal : arr -> arr -> bool
val greater : arr -> arr -> bool
val less : arr -> arr -> bool
val greater_equal : arr -> arr -> bool
val less_equal : arr -> arr -> bool
val elt_equal : arr -> arr -> arr
val elt_not_equal : arr -> arr -> arr
val elt_less : arr -> arr -> arr
val elt_greater : arr -> arr -> arr
val elt_less_equal : arr -> arr -> arr
val elt_greater_equal : arr -> arr -> arr
val equal_scalar : arr -> elt -> bool
val not_equal_scalar : arr -> elt -> bool
val less_scalar : arr -> elt -> bool
val greater_scalar : arr -> elt -> bool
val less_equal_scalar : arr -> elt -> bool
val greater_equal_scalar : arr -> elt -> bool
val elt_equal_scalar : arr -> elt -> arr
val elt_not_equal_scalar : arr -> elt -> arr
val elt_less_scalar : arr -> elt -> arr
val elt_greater_scalar : arr -> elt -> arr
val elt_less_equal_scalar : arr -> elt -> arr
val elt_greater_equal_scalar : arr -> elt -> arr
val approx_equal : ?eps:float -> arr -> arr -> bool
val approx_equal_scalar : ?eps:float -> arr -> elt -> bool
val approx_elt_equal : ?eps:float -> arr -> arr -> arr
val approx_elt_equal_scalar : ?eps:float -> arr -> elt -> arr
Input/Output functions
val of_array : elt array -> int array -> arr
val to_array : arr -> elt array
val print : ?max_row:int -> ?max_col:int -> ?header:bool -> ?fmt:(elt -> string) -> arr -> unit
val save : arr -> string -> unit
val load : string -> arr
Unary mathematical operations
val sum : ?axis:int -> arr -> arr
val sum' : arr -> elt
val prod : ?axis:int -> arr -> arr
val prod' : arr -> elt
val mean : ?axis:int -> arr -> arr
val mean' : arr -> elt
val var : ?axis:int -> arr -> arr
val var' : arr -> elt
val std : ?axis:int -> arr -> arr
val std' : arr -> elt
val min : ?axis:int -> arr -> arr
val min' : arr -> elt
val max : ?axis:int -> arr -> arr
val max' : arr -> elt
val minmax : ?axis:int -> arr -> arr * arr
val minmax' : arr -> elt * elt
val min_i : arr -> elt * int array
val max_i : arr -> elt * int array
val minmax_i : arr -> (elt * int array) * (elt * int array)
val abs : arr -> arr
val abs2 : arr -> arr
val conj : arr -> arr
val neg : arr -> arr
val reci : arr -> arr
val reci_tol : ?tol:elt -> arr -> arr
val signum : arr -> arr
val sqr : arr -> arr
val sqrt : arr -> arr
val cbrt : arr -> arr
val exp : arr -> arr
val exp2 : arr -> arr
val exp10 : arr -> arr
val expm1 : arr -> arr
val log : arr -> arr
val log10 : arr -> arr
val log2 : arr -> arr
val log1p : arr -> arr
val sin : arr -> arr
val cos : arr -> arr
val tan : arr -> arr
val asin : arr -> arr
val acos : arr -> arr
val atan : arr -> arr
val sinh : arr -> arr
val cosh : arr -> arr
val tanh : arr -> arr
val asinh : arr -> arr
val acosh : arr -> arr
val atanh : arr -> arr
val floor : arr -> arr
val ceil : arr -> arr
val round : arr -> arr
val trunc : arr -> arr
val fix : arr -> arr
val modf : arr -> arr * arr
val erf : arr -> arr
val erfc : arr -> arr
val logistic : arr -> arr
val relu : arr -> arr
val elu : ?alpha:elt -> arr -> arr
val leaky_relu : ?alpha:elt -> arr -> arr
val softplus : arr -> arr
val softsign : arr -> arr
val softmax : arr -> arr
val sigmoid : arr -> arr
val log_sum_exp' : arr -> float
val l1norm : ?axis:int -> arr -> arr
val l1norm' : arr -> elt
val l2norm : ?axis:int -> arr -> arr
val l2norm' : arr -> elt
val l2norm_sqr' : arr -> elt
val cumsum : ?axis:int -> arr -> arr
val cumprod : ?axis:int -> arr -> arr
val cummin : ?axis:int -> arr -> arr
val cummax : ?axis:int -> arr -> arr
Binary mathematical operations
val add : arr -> arr -> arr
val sub : arr -> arr -> arr
val mul : arr -> arr -> arr
val div : arr -> arr -> arr
val add_scalar : arr -> elt -> arr
val sub_scalar : arr -> elt -> arr
val mul_scalar : arr -> elt -> arr
val div_scalar : arr -> elt -> arr
val scalar_add : elt -> arr -> arr
val scalar_sub : elt -> arr -> arr
val scalar_mul : elt -> arr -> arr
val scalar_div : elt -> arr -> arr
val pow : arr -> arr -> arr
val scalar_pow : elt -> arr -> arr
val pow_scalar : arr -> elt -> arr
val atan2 : arr -> arr -> arr
val scalar_atan2 : elt -> arr -> arr
val atan2_scalar : arr -> elt -> arr
val hypot : arr -> arr -> arr
val min2 : arr -> arr -> arr
val max2 : arr -> arr -> arr
val fmod : arr -> arr -> arr
val fmod_scalar : arr -> elt -> arr
val scalar_fmod : elt -> arr -> arr
val ssqr' : arr -> elt -> elt
val ssqr_diff' : arr -> arr -> elt
val cross_entropy' : arr -> arr -> float
val clip_by_value : ?amin:elt -> ?amax:elt -> arr -> arr
val clip_by_l2norm : float -> arr -> arr
val conv1d : ?padding:Owl_types.padding -> arr -> arr -> int array -> arr
val conv2d : ?padding:Owl_types.padding -> arr -> arr -> int array -> arr
val conv3d : ?padding:Owl_types.padding -> arr -> arr -> int array -> arr
val max_pool1d : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr
val max_pool2d : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr
val max_pool3d : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr
val avg_pool1d : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr
val avg_pool2d : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr
val avg_pool3d : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr
val max_pool2d_argmax : ?padding:Owl_types.padding -> arr -> int array -> int array -> arr * (int64, Bigarray.int64_elt, Bigarray.c_layout) Bigarray.Genarray.t
val conv1d_backward_input : arr -> arr -> int array -> arr -> arr
val conv1d_backward_kernel : arr -> arr -> int array -> arr -> arr
val conv2d_backward_input : arr -> arr -> int array -> arr -> arr
val conv2d_backward_kernel : arr -> arr -> int array -> arr -> arr
val conv3d_backward_input : arr -> arr -> int array -> arr -> arr
val conv3d_backward_kernel : arr -> arr -> int array -> arr -> arr
val max_pool1d_backward : Owl_types.padding -> arr -> int array -> int array -> arr -> arr
val max_pool2d_backward : Owl_types.padding -> arr -> int array -> int array -> arr -> arr
val avg_pool1d_backward : Owl_types.padding -> arr -> int array -> int array -> arr -> arr
val avg_pool2d_backward : Owl_types.padding -> arr -> int array -> int array -> arr -> arr
Experimental functions
val sum_slices : ?axis:int -> arr -> arr
val draw_along_dim0 : arr -> int -> arr * int array
Fucntions of in-place modification
val add_ : arr -> arr -> unit
val sub_ : arr -> arr -> unit
val mul_ : arr -> arr -> unit
val div_ : arr -> arr -> unit
val pow_ : arr -> arr -> unit
val atan2_ : arr -> arr -> unit
val hypot_ : arr -> arr -> unit
val fmod_ : arr -> arr -> unit
val min2_ : arr -> arr -> unit
val max2_ : arr -> arr -> unit
val add_scalar_ : arr -> elt -> unit
val sub_scalar_ : arr -> elt -> unit
val mul_scalar_ : arr -> elt -> unit
val div_scalar_ : arr -> elt -> unit
val pow_scalar_ : arr -> elt -> unit
val atan2_scalar_ : arr -> elt -> unit
val fmod_scalar_ : arr -> elt -> unit
val scalar_add_ : elt -> arr -> unit
val scalar_sub_ : elt -> arr -> unit
val scalar_mul_ : elt -> arr -> unit
val scalar_div_ : elt -> arr -> unit
val scalar_pow_ : elt -> arr -> unit
val scalar_atan2_ : elt -> arr -> unit
val scalar_fmod_ : elt -> arr -> unit
val conj_ : arr -> unit
val abs_ : arr -> unit
val neg_ : arr -> unit
val reci_ : arr -> unit
val signum_ : arr -> unit
val sqr_ : arr -> unit
val sqrt_ : arr -> unit
val cbrt_ : arr -> unit
val exp_ : arr -> unit
val exp2_ : arr -> unit
val exp10_ : arr -> unit
val expm1_ : arr -> unit
val log_ : arr -> unit
val log2_ : arr -> unit
val log10_ : arr -> unit
val log1p_ : arr -> unit
val sin_ : arr -> unit
val cos_ : arr -> unit
val tan_ : arr -> unit
val asin_ : arr -> unit
val acos_ : arr -> unit
val atan_ : arr -> unit
val sinh_ : arr -> unit
val cosh_ : arr -> unit
val tanh_ : arr -> unit
val asinh_ : arr -> unit
val acosh_ : arr -> unit
val atanh_ : arr -> unit
val floor_ : arr -> unit
val ceil_ : arr -> unit
val round_ : arr -> unit
val trunc_ : arr -> unit
val fix_ : arr -> unit
val erf_ : arr -> unit
val erfc_ : arr -> unit
val relu_ : arr -> unit
val softplus_ : arr -> unit
val softsign_ : arr -> unit
val sigmoid_ : arr -> unit
val softmax_ : arr -> unit
val cumsum_ : ?axis:int -> arr -> unit
val cumprod_ : ?axis:int -> arr -> unit
val cummin_ : ?axis:int -> arr -> unit
val cummax_ : ?axis:int -> arr -> unit
val dropout_ : ?rate:float -> ?seed:int -> arr -> unit
val elt_equal_ : arr -> arr -> unit
val elt_not_equal_ : arr -> arr -> unit
val elt_less_ : arr -> arr -> unit
val elt_greater_ : arr -> arr -> unit
val elt_less_equal_ : arr -> arr -> unit
val elt_greater_equal_ : arr -> arr -> unit
val elt_equal_scalar_ : arr -> elt -> unit
val elt_not_equal_scalar_ : arr -> elt -> unit
val elt_less_scalar_ : arr -> elt -> unit
val elt_greater_scalar_ : arr -> elt -> unit
val elt_less_equal_scalar_ : arr -> elt -> unit
val elt_greater_equal_scalar_ : arr -> elt -> unit
Matrix functions
val row : arr -> int -> arr
val col : arr -> int -> arr
val rows : arr -> int array -> arr
val cols : arr -> int array -> arr
val copy_row_to : arr -> arr -> int -> unit
val copy_col_to : arr -> arr -> int -> unit
val row_num : arr -> int
val col_num : arr -> int
val dot : arr -> arr -> arr
val inv : arr -> arr
val trace : arr -> elt
val to_rows : arr -> arr array
val of_rows : arr array -> arr
val to_cols : arr -> arr array
val of_cols : arr array -> arr
val to_arrays : arr -> elt array array
val of_arrays : elt array array -> arr
val draw_rows : ?replacement:bool -> arr -> int -> arr * int array
val draw_cols : ?replacement:bool -> arr -> int -> arr * int array
val draw_rows2 : ?replacement:bool -> arr -> arr -> int -> arr * arr * int array
val draw_cols2 : ?replacement:bool -> arr -> arr -> int -> arr * arr * int array
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