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add support for integer to real conversion #9

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merged 2 commits into from
Oct 30, 2023
Merged

add support for integer to real conversion #9

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24b106d
add support for integer to real conversion
gauravpartha Oct 30, 2023
649486b
fix CI, since Isabelle 2022 is not anymore the current version
gauravpartha Oct 30, 2023
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2 changes: 1 addition & 1 deletion .github/workflows/ci.yaml
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Expand Up @@ -19,7 +19,7 @@ jobs:

- name: Download and install Isabelle
run: |
wget --quiet https://isabelle.in.tum.de/dist/Isabelle2022_linux.tar.gz
wget --quiet https://isabelle.in.tum.de/website-Isabelle2022/dist/Isabelle2022_linux.tar.gz
tar -xf Isabelle2022_linux.tar.gz
rm Isabelle2022_linux.tar.gz
mv Isabelle2022 isabelle_dir
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2 changes: 1 addition & 1 deletion BoogieLang/Lang.thy
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Expand Up @@ -11,7 +11,7 @@ type_synonym pname = string (* procedure name *)
datatype lit = LBool bool | LInt int | LReal real

datatype binop = Eq | Neq | Add | Sub | Mul | Div | RealDiv | Mod | Lt | Le | Gt | Ge | And | Or | Imp | Iff
datatype unop = Not | UMinus
datatype unop = Not | UMinus | IntToReal

datatype prim_ty
= TBool | TInt | TReal
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2 changes: 1 addition & 1 deletion BoogieLang/PassificationML.thy
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@@ -1,5 +1,5 @@
theory PassificationML
imports Boogie_Lang.Semantics HelperML Passification
imports Semantics HelperML Passification
begin

ML \<open>
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6 changes: 6 additions & 0 deletions BoogieLang/Semantics.thy
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Expand Up @@ -367,10 +367,16 @@ fun unop_minus :: "lit \<rightharpoonup> lit"
| "unop_minus (LReal r) = Some (LReal (-r))"
| "unop_minus _ = None"

fun unop_int_to_real :: "lit \<rightharpoonup> lit"
where
"unop_int_to_real (LInt i) = Some (LReal (real_of_int i))"
| "unop_int_to_real _ = None"

fun unop_eval :: "unop \<Rightarrow> lit \<rightharpoonup> lit"
where
"unop_eval Not v = unop_not v"
| "unop_eval UMinus v = unop_minus v"
| "unop_eval IntToReal v = unop_int_to_real v"

fun unop_eval_val :: "unop \<Rightarrow> 'a val \<rightharpoonup> 'a val"
where
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3 changes: 3 additions & 0 deletions BoogieLang/Typing.thy
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Expand Up @@ -16,6 +16,9 @@ fun unop_type :: "unop \<Rightarrow> prim_ty \<Rightarrow> prim_ty option"
| "unop_type Not TInt = None"
| "unop_type Not TReal = None"
| "unop_type Not TBool = Some TBool"
| "unop_type IntToReal TInt = Some TReal"
| "unop_type IntToReal TReal = None"
| "unop_type IntToReal TBool = None"

primrec binop_type :: "binop \<Rightarrow> ((prim_ty \<times> prim_ty) set \<times> prim_ty) option"
where
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