Mojo Boolean Tests

Structs

struct RisingBoolDetector

A simple rising edge detector for boolean triggers. Outputs a boolean True trigger when the input transitions from False to True.

Traits: AnyType, Copyable, ImplicitlyDestructible, Movable

RisingBoolDetector Parameters

Name	Type	Default	Description
num_chans	Int	1	The size of the SIMD vector - defaults to 1.

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RisingBoolDetector Functions

struct RisingBoolDetector . fn init

fn init Signature

__init__(out self)

fn init Returns : Self

Static Method

This is a static method.

struct RisingBoolDetector . fn next

Check if a trigger has occurred (rising edge) per SIMD lane.

fn next Signature

next(mut self, trig: SIMD[DType.bool, num_chans]) -> SIMD[DType.bool, num_chans]

fn next Arguments

Name	Type	Default	Description
trig	SIMD[DType.bool, num_chans]	—	The input boolean SIMD vector to check for rising edges. Each SIMD lane is processed independently.

fn next Returns : SIMD[DType.bool, num_chans] A SIMD boolean vector outputting single sample boolean triggers which indicate the rising edge detection for each lane.

struct ToggleBool

A rising edge detector for boolean triggers.

Traits: AnyType, Copyable, ImplicitlyDestructible, Movable

ToggleBool Parameters

Name	Type	Default	Description
num_chans	Int	1	The size of the SIMD vector - defaults to 1.

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ToggleBool Functions

struct ToggleBool . fn init

Initialize the ToggleBool struct.

fn init Signature

__init__(out self)

fn init Returns : Self

Static Method

This is a static method.

struct ToggleBool . fn next

Check if a trigger has occurred (rising edge) per SIMD lane.

fn next Signature

next(mut self, trig: SIMD[DType.bool, num_chans]) -> SIMD[DType.bool, num_chans]

fn next Arguments

Name	Type	Default	Description
trig	SIMD[DType.bool, num_chans]	—	The input boolean SIMD vector to check for rising edges. Each SIMD lane is processed independently.

fn next Returns : SIMD[DType.bool, num_chans] A SIMD boolean vector indicating the toggled state for each lane.

struct Changed

Detect changes in a Bool, Int, or Float64 value.

Traits: AnyType, Copyable, ImplicitlyDestructible, Movable

Changed Parameters

Name	Type	Default	Description
T	Equatable & ImplicitlyCopyable	—	The type of value to track for changes. The is required when declared as a struct member. This will usually be Bool, Int, Float64, or SIMD vector. Changed[Bool] will track changes in boolean values, Changed[Int] will track changes in integer values, and Changed[Float64] will track changes in floating-point values.

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Changed Functions

struct Changed . fn init

Initialize the Changed struct.

fn init Signature

__init__(out self, initial: T)

fn init Arguments

Name	Type	Default	Description
initial	T	—	The initial value to compare against.

fn init Returns : Self

Static Method

This is a static method.

struct Changed . fn next

Check if the value has changed.

fn next Signature

next(mut self, val: T) -> Bool

fn next Arguments

Name	Type	Default	Description
val	T	—	The current value to check. Bool, Int, and Float64 types are supported.

fn next Returns : Bool True if the value has changed since the last check, False otherwise.

struct ChangedSIMD

Detect element-wise changes in a SIMD vector value.

Traits: AnyType, Copyable, ImplicitlyDestructible, Movable

ChangedSIMD Parameters

Name	Type	Default	Description
type	DType	—	The DType of the SIMD vector elements (e.g., DType.float32, DType.int64, DType.bool).
size	Int	—	The number of elements in the SIMD vector.

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ChangedSIMD Functions

struct ChangedSIMD . fn init

Initialize the ChangedSIMD struct.

fn init Signature

__init__(out self, initial: SIMD[type, size])

fn init Arguments

Name	Type	Default	Description
initial	SIMD[type, size]	—	The initial SIMD vector value to compare against.

fn init Returns : Self

Static Method

This is a static method.

struct ChangedSIMD . fn next

Check which elements in the SIMD vector have changed.

fn next Signature

next(mut self, val: SIMD[type, size]) -> SIMD[DType.bool, size]

fn next Arguments

Name	Type	Default	Description
val	SIMD[type, size]	—	The current SIMD vector value to check.

fn next Returns : SIMD[DType.bool, size] A boolean SIMD vector where True indicates the element changed.

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