#[repr(C)]pub struct MLCPoolingDescriptor { /* private fields */ }
MLCPoolingDescriptor
only.Expand description
The MLCPoolingDescriptor specifies a pooling descriptor.
See also Apple’s documentation
Implementations§
Source§impl MLCPoolingDescriptor
impl MLCPoolingDescriptor
Sourcepub unsafe fn poolingType(&self) -> MLCPoolingType
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn poolingType(&self) -> MLCPoolingType
MLCTypes
only.The pooling operation
Sourcepub unsafe fn kernelWidth(&self) -> NSUInteger
👎Deprecated
pub unsafe fn kernelWidth(&self) -> NSUInteger
The pooling kernel size in x.
Sourcepub unsafe fn kernelHeight(&self) -> NSUInteger
👎Deprecated
pub unsafe fn kernelHeight(&self) -> NSUInteger
The pooling kernel size in y.
Sourcepub unsafe fn strideInX(&self) -> NSUInteger
👎Deprecated
pub unsafe fn strideInX(&self) -> NSUInteger
The stride of the kernel in x.
Sourcepub unsafe fn strideInY(&self) -> NSUInteger
👎Deprecated
pub unsafe fn strideInY(&self) -> NSUInteger
The stride of the kernel in y.
Sourcepub unsafe fn dilationRateInX(&self) -> NSUInteger
👎Deprecated
pub unsafe fn dilationRateInX(&self) -> NSUInteger
The dilation rate i.e. stride of elements in the kernel in x.
Sourcepub unsafe fn dilationRateInY(&self) -> NSUInteger
👎Deprecated
pub unsafe fn dilationRateInY(&self) -> NSUInteger
The dilation rate i.e. stride of elements in the kernel in y.
Sourcepub unsafe fn paddingPolicy(&self) -> MLCPaddingPolicy
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn paddingPolicy(&self) -> MLCPaddingPolicy
MLCTypes
only.The padding policy to use.
Sourcepub unsafe fn paddingSizeInX(&self) -> NSUInteger
👎Deprecated
pub unsafe fn paddingSizeInX(&self) -> NSUInteger
The padding size in x (left and right) to use if paddingPolicy is MLCPaddingPolicyUsePaddingSize
Sourcepub unsafe fn paddingSizeInY(&self) -> NSUInteger
👎Deprecated
pub unsafe fn paddingSizeInY(&self) -> NSUInteger
The padding size in y (top and bottom) to use if paddingPolicy is MLCPaddingPolicyUsePaddingSize
Sourcepub unsafe fn countIncludesPadding(&self) -> bool
👎Deprecated
pub unsafe fn countIncludesPadding(&self) -> bool
Include the zero-padding in the averaging calculation if true. Used only with average pooling.
pub unsafe fn new() -> Retained<Self>
pub unsafe fn init(this: Allocated<Self>) -> Retained<Self>
Sourcepub unsafe fn poolingDescriptorWithType_kernelSize_stride(
pooling_type: MLCPoolingType,
kernel_size: NSUInteger,
stride: NSUInteger,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn poolingDescriptorWithType_kernelSize_stride( pooling_type: MLCPoolingType, kernel_size: NSUInteger, stride: NSUInteger, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object
Parameter poolingType
: The pooling function
Parameter kernelSize
: The kernel sizes in x and y
Parameter stride
: The kernel strides in x and y
Returns: A new MLCPoolingDescriptor object.
Sourcepub unsafe fn maxPoolingDescriptorWithKernelSizes_strides_paddingPolicy_paddingSizes(
kernel_sizes: &NSArray<NSNumber>,
strides: &NSArray<NSNumber>,
padding_policy: MLCPaddingPolicy,
padding_sizes: Option<&NSArray<NSNumber>>,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn maxPoolingDescriptorWithKernelSizes_strides_paddingPolicy_paddingSizes( kernel_sizes: &NSArray<NSNumber>, strides: &NSArray<NSNumber>, padding_policy: MLCPaddingPolicy, padding_sizes: Option<&NSArray<NSNumber>>, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object for a max pooling function
Parameter kernelSizes
: The kernel sizes in x and y
Parameter strides
: The kernel strides in x and y
Parameter paddingPolicy
: The padding policy
Parameter paddingSizes
: The padding sizes in x and y if padding policy is MLCPaddingPolicyUsePaddingSIze
Returns: A new MLCPoolingDescriptor object.
Sourcepub unsafe fn maxPoolingDescriptorWithKernelSizes_strides_dilationRates_paddingPolicy_paddingSizes(
kernel_sizes: &NSArray<NSNumber>,
strides: &NSArray<NSNumber>,
dilation_rates: &NSArray<NSNumber>,
padding_policy: MLCPaddingPolicy,
padding_sizes: Option<&NSArray<NSNumber>>,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn maxPoolingDescriptorWithKernelSizes_strides_dilationRates_paddingPolicy_paddingSizes( kernel_sizes: &NSArray<NSNumber>, strides: &NSArray<NSNumber>, dilation_rates: &NSArray<NSNumber>, padding_policy: MLCPaddingPolicy, padding_sizes: Option<&NSArray<NSNumber>>, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object for a max pooling function
Parameter kernelSizes
: The kernel sizes in x and y
Parameter strides
: The kernel strides in x and y
Parameter dilationRates
: The kernel dilation rates in x and y
Parameter paddingPolicy
: The padding policy
Parameter paddingSizes
: The padding sizes in x and y if padding policy is MLCPaddingPolicyUsePaddingSIze
Returns: A new MLCPoolingDescriptor object.
Sourcepub unsafe fn averagePoolingDescriptorWithKernelSizes_strides_paddingPolicy_paddingSizes_countIncludesPadding(
kernel_sizes: &NSArray<NSNumber>,
strides: &NSArray<NSNumber>,
padding_policy: MLCPaddingPolicy,
padding_sizes: Option<&NSArray<NSNumber>>,
count_includes_padding: bool,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn averagePoolingDescriptorWithKernelSizes_strides_paddingPolicy_paddingSizes_countIncludesPadding( kernel_sizes: &NSArray<NSNumber>, strides: &NSArray<NSNumber>, padding_policy: MLCPaddingPolicy, padding_sizes: Option<&NSArray<NSNumber>>, count_includes_padding: bool, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object for an average pooling function
Parameter kernelSizes
: The kernel sizes in x and y
Parameter strides
: The kernel strides in x and y
Parameter paddingPolicy
: The padding policy
Parameter paddingSizes
: The padding sizes in x and y if padding policy is MLCPaddingPolicyUsePaddingSIze
Parameter countIncludesPadding
: Whether to include zero padding in the averaging calculation
Returns: A new MLCPoolingDescriptor object.
Sourcepub unsafe fn averagePoolingDescriptorWithKernelSizes_strides_dilationRates_paddingPolicy_paddingSizes_countIncludesPadding(
kernel_sizes: &NSArray<NSNumber>,
strides: &NSArray<NSNumber>,
dilation_rates: &NSArray<NSNumber>,
padding_policy: MLCPaddingPolicy,
padding_sizes: Option<&NSArray<NSNumber>>,
count_includes_padding: bool,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn averagePoolingDescriptorWithKernelSizes_strides_dilationRates_paddingPolicy_paddingSizes_countIncludesPadding( kernel_sizes: &NSArray<NSNumber>, strides: &NSArray<NSNumber>, dilation_rates: &NSArray<NSNumber>, padding_policy: MLCPaddingPolicy, padding_sizes: Option<&NSArray<NSNumber>>, count_includes_padding: bool, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object for an average pooling function
Parameter kernelSizes
: The kernel sizes in x and y
Parameter strides
: The kernel strides in x and y
Parameter dilationRates
: The kernel dilation rates in x and y
Parameter paddingPolicy
: The padding policy
Parameter paddingSizes
: The padding sizes in x and y if padding policy is MLCPaddingPolicyUsePaddingSIze
Parameter countIncludesPadding
: Whether to include zero padding in the averaging calculation
Returns: A new MLCPoolingDescriptor object.
Sourcepub unsafe fn l2NormPoolingDescriptorWithKernelSizes_strides_paddingPolicy_paddingSizes(
kernel_sizes: &NSArray<NSNumber>,
strides: &NSArray<NSNumber>,
padding_policy: MLCPaddingPolicy,
padding_sizes: Option<&NSArray<NSNumber>>,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn l2NormPoolingDescriptorWithKernelSizes_strides_paddingPolicy_paddingSizes( kernel_sizes: &NSArray<NSNumber>, strides: &NSArray<NSNumber>, padding_policy: MLCPaddingPolicy, padding_sizes: Option<&NSArray<NSNumber>>, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object for a L2 norm pooling function
Parameter kernelSizes
: The kernel sizes in x and y
Parameter strides
: The kernel strides in x and y
Parameter paddingPolicy
: The padding policy
Parameter paddingSizes
: The padding sizes in x and y if padding policy is MLCPaddingPolicyUsePaddingSIze
Returns: A new MLCPoolingDescriptor object.
Sourcepub unsafe fn l2NormPoolingDescriptorWithKernelSizes_strides_dilationRates_paddingPolicy_paddingSizes(
kernel_sizes: &NSArray<NSNumber>,
strides: &NSArray<NSNumber>,
dilation_rates: &NSArray<NSNumber>,
padding_policy: MLCPaddingPolicy,
padding_sizes: Option<&NSArray<NSNumber>>,
) -> Retained<Self>
👎DeprecatedAvailable on crate feature MLCTypes
only.
pub unsafe fn l2NormPoolingDescriptorWithKernelSizes_strides_dilationRates_paddingPolicy_paddingSizes( kernel_sizes: &NSArray<NSNumber>, strides: &NSArray<NSNumber>, dilation_rates: &NSArray<NSNumber>, padding_policy: MLCPaddingPolicy, padding_sizes: Option<&NSArray<NSNumber>>, ) -> Retained<Self>
MLCTypes
only.Create a MLCPoolingDescriptor object for a L2 norm pooling function
Parameter kernelSizes
: The kernel sizes in x and y
Parameter strides
: The kernel strides in x and y
Parameter dilationRates
: The kernel dilation rates in x and y
Parameter paddingPolicy
: The padding policy
Parameter paddingSizes
: The padding sizes in x and y if padding policy is MLCPaddingPolicyUsePaddingSIze
Returns: A new MLCPoolingDescriptor object.
Methods from Deref<Target = NSObject>§
Sourcepub fn doesNotRecognizeSelector(&self, sel: Sel) -> !
pub fn doesNotRecognizeSelector(&self, sel: Sel) -> !
Handle messages the object doesn’t recognize.
See Apple’s documentation for details.
Methods from Deref<Target = AnyObject>§
Sourcepub fn class(&self) -> &'static AnyClass
pub fn class(&self) -> &'static AnyClass
Dynamically find the class of this object.
§Panics
May panic if the object is invalid (which may be the case for objects
returned from unavailable init
/new
methods).
§Example
Check that an instance of NSObject
has the precise class NSObject
.
use objc2::ClassType;
use objc2::runtime::NSObject;
let obj = NSObject::new();
assert_eq!(obj.class(), NSObject::class());
Sourcepub unsafe fn get_ivar<T>(&self, name: &str) -> &Twhere
T: Encode,
👎Deprecated: this is difficult to use correctly, use Ivar::load
instead.
pub unsafe fn get_ivar<T>(&self, name: &str) -> &Twhere
T: Encode,
Ivar::load
instead.Use Ivar::load
instead.
§Safety
The object must have an instance variable with the given name, and it
must be of type T
.
See Ivar::load_ptr
for details surrounding this.
Sourcepub fn downcast_ref<T>(&self) -> Option<&T>where
T: DowncastTarget,
pub fn downcast_ref<T>(&self) -> Option<&T>where
T: DowncastTarget,
Attempt to downcast the object to a class of type T
.
This is the reference-variant. Use Retained::downcast
if you want
to convert a retained object to another type.
§Mutable classes
Some classes have immutable and mutable variants, such as NSString
and NSMutableString
.
When some Objective-C API signature says it gives you an immutable class, it generally expects you to not mutate that, even though it may technically be mutable “under the hood”.
So using this method to convert a NSString
to a NSMutableString
,
while not unsound, is generally frowned upon unless you created the
string yourself, or the API explicitly documents the string to be
mutable.
See Apple’s documentation on mutability and on
isKindOfClass:
for more details.
§Generic classes
Objective-C generics are called “lightweight generics”, and that’s because they aren’t exposed in the runtime. This makes it impossible to safely downcast to generic collections, so this is disallowed by this method.
You can, however, safely downcast to generic collections where all the
type-parameters are AnyObject
.
§Panics
This works internally by calling isKindOfClass:
. That means that the
object must have the instance method of that name, and an exception
will be thrown (if CoreFoundation is linked) or the process will abort
if that is not the case. In the vast majority of cases, you don’t need
to worry about this, since both root objects NSObject
and
NSProxy
implement this method.
§Examples
Cast an NSString
back and forth from NSObject
.
use objc2::rc::Retained;
use objc2_foundation::{NSObject, NSString};
let obj: Retained<NSObject> = NSString::new().into_super();
let string = obj.downcast_ref::<NSString>().unwrap();
// Or with `downcast`, if we do not need the object afterwards
let string = obj.downcast::<NSString>().unwrap();
Try (and fail) to cast an NSObject
to an NSString
.
use objc2_foundation::{NSObject, NSString};
let obj = NSObject::new();
assert!(obj.downcast_ref::<NSString>().is_none());
Try to cast to an array of strings.
use objc2_foundation::{NSArray, NSObject, NSString};
let arr = NSArray::from_retained_slice(&[NSObject::new()]);
// This is invalid and doesn't type check.
let arr = arr.downcast_ref::<NSArray<NSString>>();
This fails to compile, since it would require enumerating over the array to ensure that each element is of the desired type, which is a performance pitfall.
Downcast when processing each element instead.
use objc2_foundation::{NSArray, NSObject, NSString};
let arr = NSArray::from_retained_slice(&[NSObject::new()]);
for elem in arr {
if let Some(data) = elem.downcast_ref::<NSString>() {
// handle `data`
}
}
Trait Implementations§
Source§impl AsRef<AnyObject> for MLCPoolingDescriptor
impl AsRef<AnyObject> for MLCPoolingDescriptor
Source§impl AsRef<NSObject> for MLCPoolingDescriptor
impl AsRef<NSObject> for MLCPoolingDescriptor
Source§impl Borrow<AnyObject> for MLCPoolingDescriptor
impl Borrow<AnyObject> for MLCPoolingDescriptor
Source§impl Borrow<NSObject> for MLCPoolingDescriptor
impl Borrow<NSObject> for MLCPoolingDescriptor
Source§impl ClassType for MLCPoolingDescriptor
impl ClassType for MLCPoolingDescriptor
Source§const NAME: &'static str = "MLCPoolingDescriptor"
const NAME: &'static str = "MLCPoolingDescriptor"
Source§type ThreadKind = <<MLCPoolingDescriptor as ClassType>::Super as ClassType>::ThreadKind
type ThreadKind = <<MLCPoolingDescriptor as ClassType>::Super as ClassType>::ThreadKind
Source§impl CopyingHelper for MLCPoolingDescriptor
impl CopyingHelper for MLCPoolingDescriptor
Source§type Result = MLCPoolingDescriptor
type Result = MLCPoolingDescriptor
Self
if the type has no
immutable counterpart. Read moreSource§impl Debug for MLCPoolingDescriptor
impl Debug for MLCPoolingDescriptor
Source§impl Deref for MLCPoolingDescriptor
impl Deref for MLCPoolingDescriptor
Source§impl Hash for MLCPoolingDescriptor
impl Hash for MLCPoolingDescriptor
Source§impl Message for MLCPoolingDescriptor
impl Message for MLCPoolingDescriptor
Source§impl NSCopying for MLCPoolingDescriptor
impl NSCopying for MLCPoolingDescriptor
Source§impl NSObjectProtocol for MLCPoolingDescriptor
impl NSObjectProtocol for MLCPoolingDescriptor
Source§fn isEqual(&self, other: Option<&AnyObject>) -> bool
fn isEqual(&self, other: Option<&AnyObject>) -> bool
Source§fn hash(&self) -> usize
fn hash(&self) -> usize
Source§fn isKindOfClass(&self, cls: &AnyClass) -> bool
fn isKindOfClass(&self, cls: &AnyClass) -> bool
Source§fn is_kind_of<T>(&self) -> bool
fn is_kind_of<T>(&self) -> bool
isKindOfClass
directly, or cast your objects with AnyObject::downcast_ref