std/math
Phrases
math.Floor [x: number]
Round down
- Gives
- number
- Contexts
- node, main, check, look
- Kind
- phrase, native
- Source
- math/math.synod:3
- Examples
- math/rounding
math.Ceil [x: number]
Round up
- Gives
- number
- Contexts
- node, main, check, look
- Kind
- phrase, native
- Source
- math/math.synod:6
- Examples
- math/rounding
math.Min of [a: number] and [b: number]
Smaller
- Gives
- number
- Contexts
- node, main, check, look
- Kind
- phrase, native
- Source
- math/math.synod:9
- Examples
- math/rounding
math.Max of [a: number] and [b: number]
Larger
- Gives
- number
- Contexts
- node, main, check, look
- Kind
- phrase, native
- Source
- math/math.synod:12
- Examples
- math/rounding
math.Remainder of [a: number] by [b: number]
a − b × floor(a / b)
- Gives
- number
- Contexts
- node, main, check, look
- Kind
- phrase, native
- Source
- math/math.synod:15
- Examples
- math/rounding
math.Hash [t: text]
A fixed number in [0, 1) from the text: FNV-1a 64-bit over its UTF-8 bytes, mixed with the MurmurHash3 64-bit finalizer, then (h >> 11) / 2^53. Not random: it never touches the PRNG.
- Gives
- number
- Contexts
- node, main, check, look
- Kind
- phrase, native
- Source
- math/math.synod:18
- Examples
- math/hash
Examples
hash
Shows math.Hash: the same text always gives the same number in [0, 1), and it never uses the random seed
# package main
# Shows math.Hash: the same text always gives the same number in [0, 1), and it never uses the random seed
use std/lesson
use std/math
use std/sim
use std/text
define main
lesson.Note (text.Join {"hash of key = ", (text.From (math.Hash "key"))})
lesson.Note (text.Join {"again: ", (text.From (math.Hash "key"))})
sim.StopAt 1s
rounding
Shows math.Floor, math.Ceil, math.Min, math.Max and math.Remainder on a few numbers
# package main
# Shows math.Floor, math.Ceil, math.Min, math.Max and math.Remainder on a few numbers
use std/lesson
use std/math
use std/sim
use std/text
define main
lesson.Note (text.Join {"floor 2.7 = ", (text.From (math.Floor 2.7)), ", ceil 2.2 = ", (text.From (math.Ceil 2.2))})
lesson.Note (text.Join {"min 4 9 = ", (text.From (math.Min of 4 and 9)), ", max 4 9 = ", (text.From (math.Max of 4 and 9))})
lesson.Note (text.Join {"remainder of -1 by 5 = ", (text.From (math.Remainder of -1 by 5))})
sim.StopAt 1s