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Documentation Sources Core Numbers Floats Float64.hylo Float64 pi()

typealias Result
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init(_:)
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typealias Result
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var base_frame
var f
var r
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fun await()
static fun allocate(_:)

type SpawnFrameBase

let p1
let p2
let p3
let p4
let p5
let p6
let p7
let p8
let p9
let p10
init()

fun concore2full_spawn2(_:_:)
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Spawn.hylo
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String.hylo
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Comparable.hylo

trait Comparable

fun <(_:)
fun >(_:)
fun <=(_:)
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subscript min(_:_:)
subscript max(_:_:)

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PointerToMutable.hylo

type PointerToMutable

var base
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subscript unsafe()
init(adding_mutation_to:)
init(type_punning:)
init(bit_pattern:)
fun advance(by:)
static fun null()
fun unsafe_initialize_pointee(_:)

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subscript mutable_pointer(to:)
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var hash
init()
fun finalize()
fun combine(byte:)
fun combine(i32:)
fun combine(i64:)
fun unsafe_combine(bytes:)
fun combine(_:)

ForeignConvertible.hylo

trait ForeignConvertible

type ForeignRepresentation
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fun foreign_value()

MemoryAddress.hylo
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init(from:up_to:)
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MemoryLayout.hylo

type MemoryLayout

static fun size()
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init()
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fun description()

Hashable.hylo
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Deinitializable.hylo
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Strideable.hylo

trait Strideable

type Stride: SignedNumeric, Comparable
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fun advance(by:)

PointerToBuffer.hylo

type PointerToBuffer

let start
let count
init()

var base
init()
subscript unsafe()
init(bit_pattern:)
init(_:)
init(type_punning:)
init(type_punning:)
property raw
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subscript pointer(to:)
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typealias Optional
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Lifetime.hylo
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Copyable.hylo
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Runtime.hylo
Linear.hylo
- trait Linear

CollectionOfOne.hylo

type CollectionOfOne

var contents
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type UTF8Array

typealias Header
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static fun init_on_head(_:unsafely_copying:reserving:)

property nullterminated
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fun is_unowned()
fun requires_head_deallocation()
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Void.hylo
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MutableCollection.hylo

trait MutableCollection

subscript(_:)
fun swap_at(_:_:)

BinaryInteger.hylo

trait BinaryInteger

init()
init(truncating_or_extending:)
fun instance_bit_width()
fun signum()
fun trailing_zeros()

fun quotient_and_remainder(dividing_by:)

fun words()
fun /(_:)
fun /=(_:)
fun %(_:)
fun %=(_:)
fun <(_:)
fun <=(_:)
fun >(_:)
fun >=(_:)
fun &(_:)
fun &=(_:)
fun |(_:)
fun |=(_:)
fun ^(_:)
fun ^=(_:)
fun <<(_:)
fun <<=(_:)
fun >>(_:)
fun >>=(_:)
static fun is_signed()

var value
init()
init(bit_pattern:)
init(_:)
fun abs()
fun +()
fun ~()

var value
init()
init(bit_pattern:)
init(_:)
fun abs()
fun +()
fun ~()

var value
init()
init(bit_pattern:)
fun ~()

var value
init()
init(bit_pattern:)
init(bit_pattern:)
fun abs()
fun round_up(nearest_multiple_of:)
fun round_up_nearest_power_two()
fun +()
fun ~()
fun &*(_:)

var value
init()
init(bit_pattern:)
init(bit_pattern:)
fun round_up_nearest_power_two()
fun ~()

SignedInteger.hylo
- trait SignedInteger
  - fun successor()

var value
init()
init(bit_pattern:)
fun ~()

var value
init()
init(bit_pattern:)
fun ~()

FixedWidthInteger.hylo

trait FixedWidthInteger

fun matches(_:)
fun adding_reporting_overflow(_:)
fun subtracting_reporting_overflow(_:)
fun multiplied_reporting_overflow(by:)
fun divided_reporting_overflow(by:)

fun remainder_reporting_overflow(dividing_by:)

fun nonzero_bit_count()
fun leading_zeros()
fun &<<(_:)
fun &<<=(_:)
fun &>>(_:)
fun &>>=(_:)
static fun bit_width()
static fun max()
static fun min()

var value
init()
init(bit_pattern:)
init(_:)
fun abs()
fun +()
fun ~()

var value
init()
init()
fun +(_:)
fun +=(_:)
fun -(_:)
fun -=(_:)
fun *(_:)
fun *=(_:)
fun /(_:)
fun /=(_:)
fun %(_:)
fun %=(_:)
fun -()
fun +()
fun <(_:)
fun <=(_:)
fun >(_:)
fun >=(_:)
fun ==(_:)
fun !=(_:)
static fun pi()

var value
init()
init()
init(_:)

AdditiveArithmetic.hylo

trait AdditiveArithmetic

fun +(_:)
fun +=(_:)
fun -(_:)
fun -=(_:)
static fun zero()

SignedNumeric.hylo
- trait SignedNumeric
  - fun -()
  - fun negate()
ExpressibleByFloatLiteral.hylo
- trait ExpressibleByFloatLiteral

trait Numeric

type Magnitude: Comparable, Numeric
fun magnitude()
fun *(_:)
fun *=(_:)

ExpressibleByIntegerLiteral.hylo
- trait ExpressibleByIntegerLiteral

Regular.hylo
- trait SemiRegular
- trait Regular

Collection.hylo

trait Collection

type Element
type Position: Regular
fun start_position()
fun end_position()
fun position(after:)
subscript(_:)

Movable.hylo
- trait Movable
  - fun take_value(from:)
Equatable.hylo
- trait Equatable
  - fun ==(_:)
Iterator.hylo
- trait Iterator
  - type Element
  - fun next()

Pointers+DynamicAllocation.hylo

fun hylo_aligned_alloc(_:_:)
fun hylo_aligned_free(_:)

fun aligned_alloc(_:_:)
fun malloc(_:)
fun free(_:)
fun abort()
fun fdopen(_:_:)
fun fwrite(_:_:_:_:)
fun memcpy(_:_:_:)
fun memmove(_:_:_:)

type BitArray

var bits
var bit_count
init()
fun count()
fun capacity()
fun append(_:)
subscript(_:)
fun set_value(_:for:)

var storage
init()
init(count:initialized_with:)
fun deinit()
fun count()
fun is_empty()
fun capacity()
fun reserve_capacity(_:)
property contiguous_storage
fun with_mutable_contiguous_storage(_:)
fun append(_:)
fun insert(_:at:)
fun remove(at:)
fun remove_all(keeping_capacity:)
fun pop_last()
fun reverse()
subscript pointer_to_element(at:)

fun print(_:terminator:)
fun print(_:radix:terminator:)
let stdout

DynamicBuffer.hylo

type DynamicBuffer

typealias BufferHeader
static fun payload_offset()
var storage
init()

init(capacity:initializing_header_with:)

fun first_element_address()
fun deinit()
fun capacity()
property header
fun buffer_header()

On this page

Summary

Function

pi()

The mathematical constant pi (π), approximately equal to 3.14159.

Source

static fun pi() -> Float64