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Add NaN and Infinity floating-point values to Num

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Andy Ferris 2024-05-03 19:19:19 +10:00
parent f7011c8e33
commit a0c4bb571f
1 changed files with 20 additions and 0 deletions
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crates/compiler/builtins/roc/Num.roc
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@ -155,6 +155,10 @@ module [
f64ToParts,
f32FromParts,
f64FromParts,
nanF32,
nanF64,
infinityF32,
infinityF64,
]
import Bool exposing [Bool]
@ -1433,3 +1437,19 @@ f32FromParts : { sign : Bool, exponent : U8, fraction : U32 } -> F32
## The fraction should not be bigger than 0x000F_FFFF_FFFF_FFFF, any bigger value will be truncated.
## The exponent should not be bigger than 0x07FF, any bigger value will be truncated.
f64FromParts : { sign : Bool, exponent : U16, fraction : U64 } -> F64
## The value for not-a-number for a [F32] according to the IEEE 754 standard.
nanF32 : F32
nanF32 = 0.0f32 / 0.0
## The value for not-a-number for a [F64] according to the IEEE 754 standard.
nanF64 : F64
nanF64 = 0.0f64 / 0.0
## The value for infinity for a [F32] according to the IEEE 754 standard.
infinityF32 : F32
infinityF32 = 1.0f32 / 0.0
## The value for infinity for a [F64] according to the IEEE 754 standard.
infinityF64 : F64
infinityF64 = 1.0f64 / 0.0