summaryrefslogtreecommitdiff
path: root/backends/lean/Base/Primitives/Scalar.lean
diff options
context:
space:
mode:
authorSon HO2023-12-05 17:46:17 +0100
committerGitHub2023-12-05 17:46:17 +0100
commit9eb117dc9e94d1b04d24c87d278d014f456b2d89 (patch)
tree2663915767c3558203990ed14f8d5604b7fd21d1 /backends/lean/Base/Primitives/Scalar.lean
parent4795e5f823bc89504855d8eb946b111d9314f4d5 (diff)
parent726db4911add81a853aafcec3936b457aaeff5b4 (diff)
Merge pull request #38 from AeneasVerif/son_fixes2
Simplify and add some lemmas
Diffstat (limited to '')
-rw-r--r--backends/lean/Base/Primitives/Scalar.lean3
1 files changed, 3 insertions, 0 deletions
diff --git a/backends/lean/Base/Primitives/Scalar.lean b/backends/lean/Base/Primitives/Scalar.lean
index cdd6d6f9..f74fecd4 100644
--- a/backends/lean/Base/Primitives/Scalar.lean
+++ b/backends/lean/Base/Primitives/Scalar.lean
@@ -427,6 +427,9 @@ def Scalar.cast {src_ty : ScalarTy} (tgt_ty : ScalarTy) (x : Scalar src_ty) : Re
@[reducible] def U64 := Scalar .U64
@[reducible] def U128 := Scalar .U128
+instance (ty : ScalarTy) : Inhabited (Scalar ty) := by
+ constructor; cases ty <;> apply (Scalar.ofInt 0)
+
-- TODO: reducible?
@[reducible] def core_isize_min : Isize := Scalar.ofInt Isize.min (by simp [Scalar.min, Scalar.max]; apply (Scalar.min_le_max .Isize))
@[reducible] def core_isize_max : Isize := Scalar.ofInt Isize.max (by simp [Scalar.min, Scalar.max]; apply (Scalar.min_le_max .Isize))