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[ refactor ] Cleanup integral primops (#1211)

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Stefan Höck 2021-04-28 10:32:46 +02:00 committed by GitHub
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8 changed files with 171 additions and 176 deletions
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144
src/Compiler/ES/ES.idr
View File

@ -194,50 +194,64 @@ jsConstant (B32 i) = pure $ show i ++ "n"
jsConstant (B64 i) = pure $ show i ++ "n"
jsConstant ty = throw (InternalError $ "Unsuported constant " ++ show ty)
-- Creates the definition of a binary arithmetic operation.
-- Rounding / truncation behavior is determined from the
-- `IntKind`.
arithOp : {auto c : Ref ESs ESSt}
-> Maybe IntKind
-> (op : String)
-> (x : String)
-> (y : String)
-> Core String
arithOp (Just $ Signed $ P n) op x y = boundedIntOp (n-1) op x y
arithOp (Just $ Unsigned $ P n) op x y = boundedUIntOp n op x y
arithOp _ op x y = pure $ binOp op x y
-- Same as `arithOp` but for bitwise operations that might
-- go out of the valid range.
bitOp : {auto c : Ref ESs ESSt}
-> Maybe IntKind
-> (op : String)
-> (x : String)
-> (y : String)
-> Core String
bitOp (Just $ Signed $ P n) op x y = boundedIntBitOp (n-1) op x y
bitOp (Just $ Unsigned $ P n) op x y = boundedUIntOp n op x y
bitOp _ op x y = pure $ binOp op x y
castInt : {auto c : Ref ESs ESSt}
-> Constant
-> Constant
-> String
-> Core String
castInt from to x =
case (intKind from, intKind to) of
(Just _, Just $ Signed Unlimited) => pure x
(Just $ Signed m, Just $ Signed $ P n) =>
if P n >= m then pure x else boundedInt (n-1) x
-- Only if the precision of the target is greater
-- than the one of the source, there is no need to cast.
(Just $ Unsigned m, Just $ Signed $ P n) =>
if P n > m then pure x else boundedInt (n-1) x
(Just $ Signed _, Just $ Unsigned $ P n) => boundedUInt n x
(Just $ Unsigned m, Just $ Unsigned $ P n) =>
if P n >= m then pure x else boundedUInt n x
_ => throw $ InternalError $ "invalid cast: + " ++ show from ++ " + ' -> ' + " ++ show to
jsOp : {auto c : Ref ESs ESSt} -> PrimFn arity -> Vect arity String -> Core String
jsOp (Add IntType) [x, y] = pure $ !(boundedIntOp 63 "+" x y)
jsOp (Sub IntType) [x, y] = pure $ !(boundedIntOp 63 "-" x y)
jsOp (Mul IntType) [x, y] = pure $ !(boundedIntOp 63 "*" x y)
jsOp (Div IntType) [x, y] = pure $ !(boundedIntOp 63 "/" x y)
jsOp (Mod IntType) [x, y] = pure $ !(boundedIntOp 63 "%" x y)
jsOp (Add Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 "+" x y)
jsOp (Sub Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 "-" x y)
jsOp (Mul Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 "*" x y)
jsOp (Div Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 "/" x y)
jsOp (Mod Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 "%" x y)
jsOp (Add Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 "+" x y)
jsOp (Sub Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 "-" x y)
jsOp (Mul Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 "*" x y)
jsOp (Div Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 "/" x y)
jsOp (Mod Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 "%" x y)
jsOp (Add Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 "+" x y)
jsOp (Sub Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 "-" x y)
jsOp (Mul Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 "*" x y)
jsOp (Div Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 "/" x y)
jsOp (Mod Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 "%" x y)
jsOp (Add Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 "+" x y)
jsOp (Sub Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 "-" x y)
jsOp (Mul Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 "*" x y)
jsOp (Div Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 "/" x y)
jsOp (Mod Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 "%" x y)
jsOp (Add ty) [x, y] = pure $ binOp "+" x y
jsOp (Sub ty) [x, y] = pure $ binOp "-" x y
jsOp (Mul ty) [x, y] = pure $ binOp "*" x y
jsOp (Div ty) [x, y] = pure $ binOp "/" x y
jsOp (Mod ty) [x, y] = pure $ binOp "%" x y
jsOp (Add ty) [x, y] = arithOp (intKind ty) "+" x y
jsOp (Sub ty) [x, y] = arithOp (intKind ty) "-" x y
jsOp (Mul ty) [x, y] = arithOp (intKind ty) "*" x y
jsOp (Div ty) [x, y] = arithOp (intKind ty) "/" x y
jsOp (Mod ty) [x, y] = arithOp (intKind ty) "%" x y
jsOp (Neg ty) [x] = pure $ "(-(" ++ x ++ "))"
jsOp (ShiftL IntType) [x, y] = pure $ !(boundedIntBitOp 63 "<<" x y)
jsOp (ShiftL Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 "<<" x y)
jsOp (ShiftL Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 "<<" x y)
jsOp (ShiftL Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 "<<" x y)
jsOp (ShiftL Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 "<<" x y)
jsOp (ShiftL ty) [x, y] = pure $ binOp "<<" x y
jsOp (ShiftR IntType) [x, y] = pure $ !(boundedIntBitOp 63 ">>" x y)
jsOp (ShiftR Bits8Type) [x, y] = pure $ !(boundedUIntOp 8 ">>" x y)
jsOp (ShiftR Bits16Type) [x, y] = pure $ !(boundedUIntOp 16 ">>" x y)
jsOp (ShiftR Bits32Type) [x, y] = pure $ !(boundedUIntOp 32 ">>" x y)
jsOp (ShiftR Bits64Type) [x, y] = pure $ !(boundedUIntOp 64 ">>" x y)
jsOp (ShiftR ty) [x, y] = pure $ binOp ">>" x y
jsOp (ShiftL ty) [x, y] = bitOp (intKind ty) "<<" x y
jsOp (ShiftR ty) [x, y] = bitOp (intKind ty) ">>" x y
jsOp (BAnd ty) [x, y] = pure $ binOp "&" x y
jsOp (BOr ty) [x, y] = pure $ binOp "|" x y
jsOp (BXOr ty) [x, y] = pure $ binOp "^" x y
@ -270,58 +284,20 @@ jsOp DoubleSqrt [x] = pure $ "Math.sqrt(" ++ x ++ ")"
jsOp DoubleFloor [x] = pure $ "Math.floor(" ++ x ++ ")"
jsOp DoubleCeiling [x] = pure $ "Math.ceil(" ++ x ++ ")"
jsOp (Cast IntType CharType) [x] = pure $ "String.fromCodePoint(" ++ fromBigInt x ++ ")"
jsOp (Cast IntegerType CharType) [x] = pure $ "String.fromCodePoint(" ++ fromBigInt x ++ ")"
jsOp (Cast CharType IntType) [x] = pure $ toBigInt $ x ++ ".codePointAt(0)"
jsOp (Cast CharType IntegerType) [x] = pure $ toBigInt $ x ++ ".codePointAt(0)"
jsOp (Cast DoubleType IntType) [x] = boundedInt 63 $ "BigInt(Math.floor(" ++ x ++ "))"
jsOp (Cast DoubleType IntegerType) [x] = pure $ "BigInt(Math.floor(" ++ x ++ "))"
jsOp (Cast IntType CharType) [x] = pure $ "String.fromCodePoint(" ++ fromBigInt x ++ ")"
jsOp (Cast IntType DoubleType) [x] = pure $ "Number(" ++ x ++ ")"
jsOp (Cast IntegerType CharType) [x] = pure $ "String.fromCodePoint(" ++ fromBigInt x ++ ")"
jsOp (Cast IntegerType DoubleType) [x] = pure $ "Number(" ++ x ++ ")"
jsOp (Cast StringType DoubleType) [x] = pure $ "parseFloat(" ++ x ++ ")"
jsOp (Cast StringType IntType) [x] = boundedInt 63 $ !(jsIntegerOfString x)
jsOp (Cast StringType IntegerType) [x] = jsIntegerOfString x
jsOp (Cast IntegerType IntType) [x] = boundedInt 63 x
jsOp (Cast IntType IntegerType) [x] = pure x
jsOp (Cast StringType DoubleType) [x] = pure $ "parseFloat(" ++ x ++ ")"
jsOp (Cast Bits8Type IntType) [x] = pure x
jsOp (Cast Bits16Type IntType) [x] = pure x
jsOp (Cast Bits32Type IntType) [x] = pure x
jsOp (Cast Bits64Type IntType) [x] = pure x
jsOp (Cast Bits8Type IntegerType) [x] = pure x
jsOp (Cast Bits16Type IntegerType) [x] = pure x
jsOp (Cast Bits32Type IntegerType) [x] = pure x
jsOp (Cast Bits64Type IntegerType) [x] = pure x
jsOp (Cast IntType Bits8Type) [x] = boundedUInt 8 x
jsOp (Cast IntType Bits16Type) [x] = boundedUInt 16 x
jsOp (Cast IntType Bits32Type) [x] = boundedUInt 32 x
jsOp (Cast IntType Bits64Type) [x] = boundedUInt 64 x
jsOp (Cast IntegerType Bits8Type) [x] = boundedUInt 8 x
jsOp (Cast IntegerType Bits16Type) [x] = boundedUInt 16 x
jsOp (Cast IntegerType Bits32Type) [x] = boundedUInt 32 x
jsOp (Cast IntegerType Bits64Type) [x] = boundedUInt 64 x
jsOp (Cast Bits8Type Bits16Type) [x] = pure x
jsOp (Cast Bits8Type Bits32Type) [x] = pure x
jsOp (Cast Bits8Type Bits64Type) [x] = pure x
jsOp (Cast Bits16Type Bits8Type) [x] = boundedUInt 8 x
jsOp (Cast Bits16Type Bits32Type) [x] = pure x
jsOp (Cast Bits16Type Bits64Type) [x] = pure x
jsOp (Cast Bits32Type Bits8Type) [x] = boundedUInt 8 x
jsOp (Cast Bits32Type Bits16Type) [x] = boundedUInt 16 x
jsOp (Cast Bits32Type Bits64Type) [x] = pure x
jsOp (Cast Bits64Type Bits8Type) [x] = boundedUInt 8 x
jsOp (Cast Bits64Type Bits16Type) [x] = boundedUInt 16 x
jsOp (Cast Bits64Type Bits32Type) [x] = boundedUInt 32 x
jsOp (Cast ty StringType) [x] = pure $ "(''+" ++ x ++ ")"
jsOp (Cast ty ty2) [x] = jsCrashExp $ jsString $ "invalid cast: + " ++ show ty ++ " + ' -> ' + " ++ show ty2
jsOp (Cast ty ty2) [x] = castInt ty ty2 x
jsOp BelieveMe [_,_,x] = pure x
jsOp (Crash) [_, msg] = jsCrashExp msg

160
src/Compiler/Scheme/Common.idr
View File

@ -57,41 +57,63 @@ op o args = "(" ++ o ++ " " ++ showSep " " args ++ ")"
boolop : String -> List String -> String
boolop o args = "(or (and " ++ op o args ++ " 1) 0)"
add : Maybe IntKind -> String -> String -> String
add (Just $ Signed $ P n) x y = op "b+" [x, y, show (n-1)]
add (Just $ Unsigned $ P n) x y = op "b+" [x, y, show n]
add _ x y = op "+" [x, y]
sub : Maybe IntKind -> String -> String -> String
sub (Just $ Signed $ P n) x y = op "b-" [x, y, show (n-1)]
sub (Just $ Unsigned $ P n) x y = op "b-" [x, y, show n]
sub _ x y = op "-" [x, y]
mul : Maybe IntKind -> String -> String -> String
mul (Just $ Signed $ P n) x y = op "b*" [x, y, show (n-1)]
mul (Just $ Unsigned $ P n) x y = op "b*" [x, y, show n]
mul _ x y = op "*" [x, y]
div : Maybe IntKind -> String -> String -> String
div (Just $ Signed Unlimited) x y = op "quotient" [x, y]
div (Just $ Signed $ P n) x y = op "b/" [x, y, show (n-1)]
div (Just $ Unsigned $ P n) x y = op "b/" [x, y, show n]
div _ x y = op "/" [x, y]
shl : Maybe IntKind -> String -> String -> String
shl (Just $ Signed $ P n) x y = op "blodwen-bits-shl-signed"
[x, y, show (n-1)]
shl (Just $ Unsigned $ P n) x y = op "blodwen-bits-shl" [x, y, show n]
shl _ x y = op "blodwen-shl" [x, y]
castInt : Constant -> Constant -> String -> String
castInt from to x =
case (intKind from, intKind to) of
(Just _, Just $ Signed Unlimited) => x
(Just $ Signed m, Just $ Signed $ P n) =>
if P n >= m then x else op "blodwen-toSignedInt" [x,show (n-1)]
-- Only if the precision of the target is greater
-- than the one of the source, there is no need to cast.
(Just $ Unsigned m, Just $ Signed $ P n) =>
if P n > m then x else op "blodwen-toSignedInt" [x,show (n-1)]
(Just $ Signed _, Just $ Unsigned $ P n) =>
op "blodwen-toUnsignedInt" [x,show n]
(Just $ Unsigned m, Just $ Unsigned $ P n) =>
if P n >= m then x else op "blodwen-toUnsignedInt" [x,show n]
_ => "(blodwen-error-quit \"Invalid cast " ++ show from ++ "->" ++ show to ++ "\")"
||| Generate scheme for a primitive function.
schOp : PrimFn arity -> Vect arity String -> String
schOp (Add IntType) [x, y] = op "b+" [x, y, "63"]
schOp (Sub IntType) [x, y] = op "b-" [x, y, "63"]
schOp (Mul IntType) [x, y] = op "b*" [x, y, "63"]
schOp (Div IntType) [x, y] = op "b/" [x, y, "63"]
schOp (Add Bits8Type) [x, y] = op "b+" [x, y, "8"]
schOp (Sub Bits8Type) [x, y] = op "b-" [x, y, "8"]
schOp (Mul Bits8Type) [x, y] = op "b*" [x, y, "8"]
schOp (Div Bits8Type) [x, y] = op "b/" [x, y, "8"]
schOp (Add Bits16Type) [x, y] = op "b+" [x, y, "16"]
schOp (Sub Bits16Type) [x, y] = op "b-" [x, y, "16"]
schOp (Mul Bits16Type) [x, y] = op "b*" [x, y, "16"]
schOp (Div Bits16Type) [x, y] = op "b/" [x, y, "16"]
schOp (Add Bits32Type) [x, y] = op "b+" [x, y, "32"]
schOp (Sub Bits32Type) [x, y] = op "b-" [x, y, "32"]
schOp (Mul Bits32Type) [x, y] = op "b*" [x, y, "32"]
schOp (Div Bits32Type) [x, y] = op "b/" [x, y, "32"]
schOp (Add Bits64Type) [x, y] = op "b+" [x, y, "64"]
schOp (Sub Bits64Type) [x, y] = op "b-" [x, y, "64"]
schOp (Mul Bits64Type) [x, y] = op "b*" [x, y, "64"]
schOp (Div Bits64Type) [x, y] = op "b/" [x, y, "64"]
schOp (Add ty) [x, y] = op "+" [x, y]
schOp (Sub ty) [x, y] = op "-" [x, y]
schOp (Mul ty) [x, y] = op "*" [x, y]
schOp (Div IntegerType) [x, y] = op "quotient" [x, y]
schOp (Div ty) [x, y] = op "/" [x, y]
schOp (Add ty) [x, y] = add (intKind ty) x y
schOp (Sub ty) [x, y] = sub (intKind ty) x y
schOp (Mul ty) [x, y] = mul (intKind ty) x y
schOp (Div ty) [x, y] = div (intKind ty) x y
schOp (Mod ty) [x, y] = op "remainder" [x, y]
schOp (Neg ty) [x] = op "-" [x]
schOp (ShiftL IntType) [x, y] = op "blodwen-bits-shl-signed" [x, y, "63"]
schOp (ShiftL Bits8Type) [x, y] = op "blodwen-bits-shl" [x, y, "8"]
schOp (ShiftL Bits16Type) [x, y] = op "blodwen-bits-shl" [x, y, "16"]
schOp (ShiftL Bits32Type) [x, y] = op "blodwen-bits-shl" [x, y, "32"]
schOp (ShiftL Bits64Type) [x, y] = op "blodwen-bits-shl" [x, y, "64"]
schOp (ShiftL ty) [x, y] = op "blodwen-shl" [x, y]
schOp (ShiftL ty) [x, y] = shl (intKind ty) x y
schOp (ShiftR ty) [x, y] = op "blodwen-shr" [x, y]
schOp (BAnd ty) [x, y] = op "blodwen-and" [x, y]
schOp (BOr ty) [x, y] = op "blodwen-or" [x, y]
@ -133,67 +155,25 @@ schOp DoubleSqrt [x] = op "flsqrt" [x]
schOp DoubleFloor [x] = op "flfloor" [x]
schOp DoubleCeiling [x] = op "flceiling" [x]
schOp (Cast IntType StringType) [x] = op "number->string" [x]
schOp (Cast IntegerType StringType) [x] = op "number->string" [x]
schOp (Cast Bits8Type StringType) [x] = op "number->string" [x]
schOp (Cast Bits16Type StringType) [x] = op "number->string" [x]
schOp (Cast Bits32Type StringType) [x] = op "number->string" [x]
schOp (Cast Bits64Type StringType) [x] = op "number->string" [x]
schOp (Cast DoubleType StringType) [x] = op "number->string" [x]
schOp (Cast CharType StringType) [x] = op "string" [x]
schOp (Cast IntType IntegerType) [x] = x
schOp (Cast Bits8Type IntegerType) [x] = x
schOp (Cast Bits16Type IntegerType) [x] = x
schOp (Cast Bits32Type IntegerType) [x] = x
schOp (Cast Bits64Type IntegerType) [x] = x
schOp (Cast Bits16Type StringType) [x] = op "number->string" [x]
schOp (Cast Bits32Type StringType) [x] = op "number->string" [x]
schOp (Cast Bits64Type StringType) [x] = op "number->string" [x]
schOp (Cast Bits8Type StringType) [x] = op "number->string" [x]
schOp (Cast CharType IntType) [x] = op "char->integer" [x]
schOp (Cast CharType IntegerType) [x] = op "char->integer" [x]
schOp (Cast CharType StringType) [x] = op "string" [x]
schOp (Cast DoubleType IntType) [x] = op "exact-floor" [x]
schOp (Cast DoubleType IntegerType) [x] = op "exact-floor" [x]
schOp (Cast CharType IntegerType) [x] = op "char->integer" [x]
schOp (Cast StringType IntegerType) [x] = op "cast-string-int" [x]
schOp (Cast IntegerType IntType) [x] = x
schOp (Cast Bits8Type IntType) [x] = x
schOp (Cast Bits16Type IntType) [x] = x
schOp (Cast Bits32Type IntType) [x] = x
schOp (Cast Bits64Type IntType) [x] = x
schOp (Cast DoubleType IntType) [x] = op "exact-floor" [x]
schOp (Cast StringType IntType) [x] = op "cast-string-int" [x]
schOp (Cast CharType IntType) [x] = op "char->integer" [x]
schOp (Cast IntType Bits8Type) [x] = op "integer->bits8" [x]
schOp (Cast IntType Bits16Type) [x] = op "integer->bits16" [x]
schOp (Cast IntType Bits32Type) [x] = op "integer->bits32" [x]
schOp (Cast IntType Bits64Type) [x] = op "integer->bits64" [x]
schOp (Cast IntegerType Bits8Type) [x] = op "integer->bits8" [x]
schOp (Cast IntegerType Bits16Type) [x] = op "integer->bits16" [x]
schOp (Cast IntegerType Bits32Type) [x] = op "integer->bits32" [x]
schOp (Cast IntegerType Bits64Type) [x] = op "integer->bits64" [x]
schOp (Cast Bits8Type Bits16Type) [x] = x
schOp (Cast Bits8Type Bits32Type) [x] = x
schOp (Cast Bits8Type Bits64Type) [x] = x
schOp (Cast Bits16Type Bits8Type) [x] = op "bits16->bits8" [x]
schOp (Cast Bits16Type Bits32Type) [x] = x
schOp (Cast Bits16Type Bits64Type) [x] = x
schOp (Cast Bits32Type Bits8Type) [x] = op "bits32->bits8" [x]
schOp (Cast Bits32Type Bits16Type) [x] = op "bits32->bits16" [x]
schOp (Cast Bits32Type Bits64Type) [x] = x
schOp (Cast Bits64Type Bits8Type) [x] = op "bits64->bits8" [x]
schOp (Cast Bits64Type Bits16Type) [x] = op "bits64->bits16" [x]
schOp (Cast Bits64Type Bits32Type) [x] = op "bits64->bits32" [x]
schOp (Cast DoubleType StringType) [x] = op "number->string" [x]
schOp (Cast IntType CharType) [x] = op "cast-int-char" [x]
schOp (Cast IntType DoubleType) [x] = op "exact->inexact" [x]
schOp (Cast IntType StringType) [x] = op "number->string" [x]
schOp (Cast IntegerType DoubleType) [x] = op "exact->inexact" [x]
schOp (Cast IntType DoubleType) [x] = op "exact->inexact" [x]
schOp (Cast StringType DoubleType) [x] = op "cast-string-double" [x]
schOp (Cast IntType CharType) [x] = op "cast-int-char" [x]
schOp (Cast from to) [x] = "(blodwen-error-quit \"Invalid cast " ++ show from ++ "->" ++ show to ++ "\")"
schOp (Cast IntegerType StringType) [x] = op "number->string" [x]
schOp (Cast StringType DoubleType) [x] = op "cast-string-double" [x]
schOp (Cast StringType IntType) [x] = op "cast-string-int" [x]
schOp (Cast StringType IntegerType) [x] = op "cast-string-int" [x]
schOp (Cast from to) [x] = castInt from to x
schOp BelieveMe [_,_,x] = x
schOp Crash [_,msg] = "(blodwen-error-quit (string-append \"ERROR: \" " ++ msg ++ "))"

30
src/Core/TT.idr
View File

@ -164,6 +164,36 @@ constTag DoubleType = 11
constTag WorldType = 12
constTag _ = 0
||| Precision of integral types.
public export
data Precision = P Int | Unlimited
export
Eq Precision where
(P m) == (P n) = m == n
Unlimited == Unlimited = True
_ == _ = False
export
Ord Precision where
compare (P m) (P n) = compare m n
compare Unlimited Unlimited = EQ
compare Unlimited _ = GT
compare _ Unlimited = LT
public export
data IntKind = Signed Precision | Unsigned Precision
public export
intKind : Constant -> Maybe IntKind
intKind IntegerType = Just $ Signed Unlimited
intKind IntType = Just . Signed $ P 64
intKind Bits8Type = Just . Unsigned $ P 8
intKind Bits16Type = Just . Unsigned $ P 16
intKind Bits32Type = Just . Unsigned $ P 32
intKind Bits64Type = Just . Unsigned $ P 64
intKind _ = Nothing
-- All the internal operators, parameterised by their arity
public export
data PrimFn : Nat -> Type where

3
support/chez/support.ss
View File

@ -18,6 +18,9 @@
(define b* (lambda (x y bits) (remainder (* x y) (ash 1 bits))))
(define b/ (lambda (x y bits) (remainder (exact-floor (/ x y)) (ash 1 bits))))
(define blodwen-toSignedInt (lambda (x y) (modulo x (expt 2 y))))
(define blodwen-toUnsignedInt (lambda (x y) (modulo x (expt 2 y))))
(define integer->bits8 (lambda (x) (modulo x (expt 2 8))))
(define integer->bits16 (lambda (x) (modulo x (expt 2 16))))
(define integer->bits32 (lambda (x) (modulo x (expt 2 32))))

3
support/gambit/support.scm
View File

@ -31,6 +31,9 @@
`(remainder (floor (/ ,x ,y)) ,(arithmetic-shift 1 bits))
`(remainder (floor (/ ,x ,y)) (arithmetic-shift 1 ,bits))))
(define blodwen-toSignedInt (lambda (x y) (modulo x (expt 2 y))))
(define blodwen-toUnsignedInt (lambda (x y) (modulo x (expt 2 y))))
(define integer->bits8 (lambda (x) (modulo x (expt 2 8))))
(define integer->bits16 (lambda (x) (modulo x (expt 2 16))))
(define integer->bits32 (lambda (x) (modulo x (expt 2 32))))

3
support/racket/support.rkt
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@ -15,6 +15,9 @@
(define b* (lambda (x y bits) (remainder (* x y) (arithmetic-shift 1 bits))))
(define b/ (lambda (x y bits) (remainder (exact-floor (/ x y)) (arithmetic-shift 1 bits))))
(define blodwen-toSignedInt (lambda (x y) (modulo x (expt 2 y))))
(define blodwen-toUnsignedInt (lambda (x y) (modulo x (expt 2 y))))
(define integer->bits8 (lambda (x) (modulo x (expt 2 8))))
(define integer->bits16 (lambda (x) (modulo x (expt 2 16))))
(define integer->bits32 (lambda (x) (modulo x (expt 2 32))))

2
tests/chez/chez015/Numbers.idr
View File

@ -9,7 +9,7 @@ large : (a: Type) -> a
large Integer = 3518437212345678901234567890123
-- int close to 2ˆ63
-- we expect some operations will overflow
large Int = 3518437212345678901234567890
large Int = 9223372036854775800
small : (a: Type) -> a
small Integer = 437

2
tests/chez/chez015/expected
View File

@ -1,4 +1,4 @@
1/1: Building Numbers (Numbers.idr)
Main> [3518437212345678901234567890560, 1537557061795061679839506167983751, 3518437212345678901234567889686, 8051343735344802977653473432, 339]
[8650625671965379659, 5435549321212129090, 8650625671965378905, 365458446121836181, 357]
[369, 9223372036854772792, 9223372036854775423, 24465177816590917, 91]
Main> Bye for now!