DoubleVector

Objective-C

@interface DoubleVector : NSObject

Swift

class DoubleVector : NSObject

Utility class to wrap a std::vector<double>

Constructors

  • Create DoubleVector and initialize with the contents of an NSData object

    Declaration

    Objective-C

    - (nonnull instancetype)initWithData:(nonnull NSData *)data;

    Swift

    init(data: Data)

    Parameters

    data

    NSData containing raw double array

  • Create DoubleVector and initialize with the contents of another DoubleVector object

    Declaration

    Objective-C

    - (nonnull instancetype)initWithVector:(nonnull DoubleVector *)src;

    Swift

    init(vector src: DoubleVector)

    Parameters

    src

    DoubleVector containing data to copy

  • Create DoubleVector from raw C array

    Declaration

    Objective-C

    - (nonnull instancetype)initWithNativeArray:(nonnull double *)array
                                   elements:(int)elements;

    Swift

    init(nativeArray array: UnsafeMutablePointer<Double>, elements: Int32)

    Parameters

    array

    The raw C array @elements elements The number of elements in the array

Properties

  • Length of the vector

    Declaration

    Objective-C

    @property (readonly) size_t length;

    Swift

    var length: Int { get }

  • Raw C array

    Declaration

    Objective-C

    @property (readonly) double *_Nonnull nativeArray;

    Swift

    var nativeArray: UnsafeMutablePointer<Double> { get }

  • NSData object containing the raw double data

    Declaration

    Objective-C

    @property (readonly) NSData *_Nonnull data;

    Swift

    var data: Data { get }

Accessor method

  • Return array element

    Declaration

    Objective-C

    - (double)get:(NSInteger)index;

    Swift

    func get(_ index: Int) -> Double

    Parameters

    index

    Index of the array element to return