Struct re_viewer::blueprint::validation_gen::GridSpacing

pub struct GridSpacing(pub Float32);

Component: Space between grid lines of one line to the next in scene units.

Tuple Fields

0: Float32

Space between grid lines of one line to the next in scene units.

Methods from Deref<Target = f32>

pub const RADIX: u32 = 2u32

pub const MANTISSA_DIGITS: u32 = 24u32

pub const DIGITS: u32 = 6u32

pub const EPSILON: f32 = 1.1920929E-7f32

pub const MIN: f32 = -3.40282347E+38f32

pub const MIN_POSITIVE: f32 = 1.17549435E-38f32

pub const MAX: f32 = 3.40282347E+38f32

pub const MIN_EXP: i32 = -125i32

pub const MAX_EXP: i32 = 128i32

pub const MIN_10_EXP: i32 = -37i32

pub const MAX_10_EXP: i32 = 38i32

pub const NAN: f32 = NaN_f32

pub const INFINITY: f32 = +Inf_f32

pub const NEG_INFINITY: f32 = -Inf_f32

pub fn total_cmp(&self, other: &f32) -> Ordering

Return the ordering between self and other.

Unlike the standard partial comparison between floating point numbers, this comparison always produces an ordering in accordance to the totalOrder predicate as defined in the IEEE 754 (2008 revision) floating point standard. The values are ordered in the following sequence:

• negative quiet NaN
• negative signaling NaN
• negative infinity
• negative numbers
• negative subnormal numbers
• negative zero
• positive zero
• positive subnormal numbers
• positive numbers
• positive infinity
• positive signaling NaN
• positive quiet NaN.

The ordering established by this function does not always agree with the PartialOrd and PartialEq implementations of f32. For example, they consider negative and positive zero equal, while total_cmp doesn’t.

The interpretation of the signaling NaN bit follows the definition in the IEEE 754 standard, which may not match the interpretation by some of the older, non-conformant (e.g. MIPS) hardware implementations.

Example

struct GoodBoy {
    name: String,
    weight: f32,
}

let mut bois = vec![
    GoodBoy { name: "Pucci".to_owned(), weight: 0.1 },
    GoodBoy { name: "Woofer".to_owned(), weight: 99.0 },
    GoodBoy { name: "Yapper".to_owned(), weight: 10.0 },
    GoodBoy { name: "Chonk".to_owned(), weight: f32::INFINITY },
    GoodBoy { name: "Abs. Unit".to_owned(), weight: f32::NAN },
    GoodBoy { name: "Floaty".to_owned(), weight: -5.0 },
];

bois.sort_by(|a, b| a.weight.total_cmp(&b.weight));

// `f32::NAN` could be positive or negative, which will affect the sort order.
if f32::NAN.is_sign_negative() {
    assert!(bois.into_iter().map(|b| b.weight)
        .zip([f32::NAN, -5.0, 0.1, 10.0, 99.0, f32::INFINITY].iter())
        .all(|(a, b)| a.to_bits() == b.to_bits()))
} else {
    assert!(bois.into_iter().map(|b| b.weight)
        .zip([-5.0, 0.1, 10.0, 99.0, f32::INFINITY, f32::NAN].iter())
        .all(|(a, b)| a.to_bits() == b.to_bits()))
}

Trait Implementations

impl Borrow<Float32> for GridSpacing

fn borrow(&self) -> &Float32

Immutably borrows from an owned value.

impl Clone for GridSpacing

fn clone(&self) -> GridSpacing

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Component for GridSpacing

fn descriptor() -> ComponentDescriptor

Returns the complete ComponentDescriptor for this Component.

fn name() -> ComponentName

The fully-qualified name of this component, e.g. rerun.components.Position2D.

impl Debug for GridSpacing

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for GridSpacing

fn default() -> GridSpacing

Returns the “default value” for a type.

impl Deref for GridSpacing

type Target = Float32

The resulting type after dereferencing.

fn deref(&self) -> &Float32

Dereferences the value.

impl DerefMut for GridSpacing

fn deref_mut(&mut self) -> &mut Float32

Mutably dereferences the value.

impl<T> From<T> for GridSpacing

where T: Into<Float32>,

fn from(v: T) -> GridSpacing

Converts to this type from the input type.

impl Loggable for GridSpacing

fn arrow_datatype() -> DataType

The underlying arrow::datatypes::DataType, excluding datatype extensions.

fn to_arrow_opt<'a>( data: impl IntoIterator<Item = Option<impl Into<Cow<'a, GridSpacing>>>>, ) -> Result<Arc<dyn Array>, SerializationError>

where GridSpacing: Clone + 'a,

Given an iterator of options of owned or reference values to the current Loggable, serializes them into an Arrow array.

fn from_arrow2_opt( arrow_data: &(dyn Array + 'static), ) -> Result<Vec<Option<GridSpacing>>, DeserializationError>

where GridSpacing: Sized,

Given an Arrow2 array, deserializes it into a collection of optional Loggables.

fn from_arrow2( arrow_data: &(dyn Array + 'static), ) -> Result<Vec<GridSpacing>, DeserializationError>

where GridSpacing: Sized,

Given an Arrow2 array, deserializes it into a collection of Loggables.

fn arrow2_datatype() -> DataType

The underlying arrow2::datatypes::DataType, excluding datatype extensions.

fn to_arrow2_opt<'a>( data: impl IntoIterator<Item = Option<impl Into<Cow<'a, Self>>>>, ) -> Result<Box<dyn Array>, SerializationError>

where Self: 'a,

Given an iterator of options of owned or reference values to the current Loggable, serializes them into an Arrow2 array.

fn to_arrow<'a>( data: impl IntoIterator<Item = impl Into<Cow<'a, Self>>>, ) -> Result<Arc<dyn Array>, SerializationError>

where Self: 'a,

Given an iterator of owned or reference values to the current Loggable, serializes them into an Arrow array.

fn to_arrow2<'a>( data: impl IntoIterator<Item = impl Into<Cow<'a, Self>>>, ) -> Result<Box<dyn Array>, SerializationError>

where Self: 'a,

Given an iterator of owned or reference values to the current Loggable, serializes them into an Arrow2 array.

fn from_arrow(data: &dyn Array) -> Result<Vec<Self>, DeserializationError>

Given an Arrow array, deserializes it into a collection of Loggables.

fn from_arrow_opt( data: &dyn Array, ) -> Result<Vec<Option<Self>>, DeserializationError>

Given an Arrow array, deserializes it into a collection of optional Loggables.

impl SizeBytes for GridSpacing

fn heap_size_bytes(&self) -> u64

Returns the total size of self on the heap, in bytes.

fn is_pod() -> bool

Is Self just plain old data?

fn total_size_bytes(&self) -> u64

Returns the total size of self in bytes, accounting for both stack and heap space.

fn stack_size_bytes(&self) -> u64

Returns the total size of self on the stack, in bytes.