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feat: add float bounds #90

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Merged
seanmcl merged 1 commit into from
Sep 29, 2025
Merged

feat: add float bounds #90

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5 changes: 5 additions & 0 deletions TensorLib/Float.lean
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Original file line number Diff line number Diff line change
Expand Up @@ -36,6 +36,11 @@ private def float64MantissaBits : Nat := 52
def maxSafeNatForFloat32 : Nat := Nat.pow 2 (float32MantissaBits + 1)
def maxSafeNatForFloat64 : Nat := Nat.pow 2 (float64MantissaBits + 1)

def _root_.Float32.minValue : Float32 := Float32.ofBits 0xFF7FFFFF
def _root_.Float32.maxValue : Float32 := Float32.ofBits 0x7F7FFFFF
def _root_.Float.minValue : Float := Float.ofBits 0xFFEFFFFFFFFFFFFF
def _root_.Float.maxValue : Float := Float.ofBits 0x7FEFFFFFFFFFFFFF

def _root_.Int.toFloat32 (n : Int) : Float32 := Float32.ofInt n
def _root_.Int.toFloat64 (n : Int) : Float := Float.ofInt n

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