lean4-htt/tests/compile/float.lean
Garmelon 08eb78a5b2
chore: switch to new test/bench suite (#12590)
This PR sets up the new integrated test/bench suite. It then migrates
all benchmarks and some related tests to the new suite. There's also
some documentation and some linting.

For now, a lot of the old tests are left alone so this PR doesn't become
even larger than it already is. Eventually, all tests should be migrated
to the new suite though so there isn't a confusing mix of two systems.
2026-02-25 13:51:53 +00:00

83 lines
2.5 KiB
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def tst1 : IO Unit := do
IO.println (1 : Float)
IO.println ((1 : Float) + 2)
IO.println ((2 : Float) - 3)
IO.println ((3 : Float) * 2)
IO.println ((3 : Float) / 2)
IO.println (decide ((3 : Float) < 2))
IO.println (decide ((3 : Float) < 4))
IO.println ((3 : Float) == 2)
IO.println ((2 : Float) == 2)
IO.println (decide ((3 : Float) ≤ 2))
IO.println (decide ((3 : Float) ≤ 3))
IO.println (decide ((3 : Float) ≤ 4))
IO.println (Float.ofInt 0)
IO.println (Float.ofInt 42)
IO.println (Float.ofInt (-42))
IO.println (default : Float)
IO.println (0 / 0 : Float).toUInt8
IO.println (0 / 0 : Float).toUInt16
IO.println (0 / 0 : Float).toUInt32
IO.println (0 / 0 : Float).toUInt64
IO.println (0 / 0 : Float).toUSize
IO.println (-1 : Float).toUInt8
IO.println (256 : Float).toUInt8
IO.println (1 / 0 : Float).toUInt8
IO.println (-1 : Float).toUInt16
IO.println (2^16 : Float).toUInt16
IO.println (1 / 0 : Float).toUInt16
IO.println (-1 : Float).toUInt32
IO.println (2^32 : Float).toUInt32
IO.println (1 / 0 : Float).toUInt32
IO.println (-1 : Float).toUInt64
IO.println (2^64 : Float).toUInt64
IO.println (1 / 0 : Float).toUInt64
let platBits := USize.size.log2.toFloat
IO.println (-1 : Float).toUSize
IO.println ((2^platBits).toUSize.toNat == (USize.size - 1))
IO.println ((1 / 0 : Float).toUSize.toNat == (USize.size - 1))
IO.println (let x : Float := 1.4; (x, x.isNaN, x.isInf, x.isFinite, x.frExp))
IO.println (let x : Float := 0 / 0; (x, x.isNaN, x.isInf, x.isFinite, x.frExp))
IO.println (let x : Float := -0 / 0; (x, x.isNaN, x.isInf, x.isFinite, x.frExp))
IO.println (let x : Float := 1 / 0; (x, x.isNaN, x.isInf, x.isFinite, x.frExp))
IO.println (let x : Float := -1 / 0; (x, x.isNaN, x.isInf, x.isFinite, x.frExp))
-- Pow instance defaults to exponent being a Float:
IO.println (2^(-1) : Float)
IO.println (2.2^2.2 : Float)
structure Foo where
x : Nat
w : UInt64
y : Float
z : Float
@[noinline] def mkFoo (x : Nat) : Foo :=
{ x := x, w := x.toUInt64, y := x.toFloat / 3, z := x.toFloat / 2 }
def tst2 (x : Nat) : IO Unit := do
let foo := mkFoo x
IO.println foo.y
IO.println foo.z
@[noinline] def fMap (f : Float → Float) (xs : List Float) :=
xs.map f
def tst3 (xs : List Float) (y : Float) : IO Unit :=
IO.println (fMap (fun x => x / y) xs)
def tst4 (xs : List Float) : IO Unit :=
IO.println (fMap (fun x => x.abs) xs)
def main : IO Unit := do
tst1
IO.println "-----"
tst2 7
tst3 [3, 4, 7, 8, 9, 11] 2
tst4 [3, -3, 0, -0, -1 / 0, -0 / 0]