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| author | dos-reis <gdr@axiomatics.org> | 2009-01-06 06:53:21 +0000 |
|---|---|---|
| committer | dos-reis <gdr@axiomatics.org> | 2009-01-06 06:53:21 +0000 |
| commit | 258d6427280f1ee0cce0dcdf12c38ad65b5e36cc (patch) | |
| tree | 7c37449e24bbcfba741729b6d16a71b9c5007ea4 /src/algebra/data.spad.pamphlet | |
| parent | bd3fb898659b91542e7a3109f36b2f8b17e05a5d (diff) | |
| download | open-axiom-258d6427280f1ee0cce0dcdf12c38ad65b5e36cc.tar.gz | |
* interp/sys-utility.boot (getVMType): IndexList are lists.
* interp/g-util.boot (isSubDomain): Tidy.
* interp/g-opt.boot (isVMConstantForm): New.
(findVMFreeVars): Likewise.
* interp/define.boot (insertViewMorphisms): Remove.
(emitSubdomainInfo): New.
(checkVariableName): Likewise.
(checkParameterNames): Likewise.
(checkRepresentation): Set $subdomain where appropriate.
(compDefines): Check parameter names.
(compDefineFunctor1): Propagate subdomain info.
(doIt): Don't call insertViewMorphisms.
* interp/compiler.boot (setqSingle): Check variable name.
(compIterator): Likewise.
(commonSuperType): New.
(satisfies): Likewise.
(coerceSubset): Use them to implemen cross-subdomain coercion.
(coerceSuperset): New.
(comCoerce1): Use it.
(compPer): New.
(compRep): Likewise.
* interp/c-util.boot (getRepresentation): New.
(proclaimCapsuleFunction): Improve for specialized subdomains.
* algebra/stream.spad.pamphlet: Don't use `per' as variable name.
* algebra/si.spad.pamphlet (size$SingleInteger): Tidy.
(coerce$SingleInteger): Likewise.
* algebra/reclos.spad.pamphlet (nonNull$RealClosure): Don't use
`rep' as parameter name.
* algebra/data.spad.pamphlet (Byte): Now a subdomain of
NonNegativeInteger. Tidy.
Diffstat (limited to 'src/algebra/data.spad.pamphlet')
| -rw-r--r-- | src/algebra/data.spad.pamphlet | 24 |
1 files changed, 4 insertions, 20 deletions
diff --git a/src/algebra/data.spad.pamphlet b/src/algebra/data.spad.pamphlet index 123948b3..d684c59d 100644 --- a/src/algebra/data.spad.pamphlet +++ b/src/algebra/data.spad.pamphlet @@ -25,39 +25,23 @@ import OutputForm ++ Description: ++ Byte is the datatype of 8-bit sized unsigned integer values. Byte(): Public == Private where - Public == Join(OrderedSet, CoercibleTo NonNegativeInteger, - HomotopicTo Character) with + Public == Join(OrderedSet, HomotopicTo Character) with byte: NonNegativeInteger -> % ++ byte(x) injects the unsigned integer value `v' into ++ the Byte algebra. `v' must be non-negative and less than 256. - coerce: NonNegativeInteger -> % - ++ coerce(x) has the same effect as byte(x). bitand: (%,%) -> % ++ bitand(x,y) returns the bitwise `and' of `x' and `y'. bitior: (%,%) -> % ++ bitor(x,y) returns the bitwise `inclusive or' of `x' and `y'. sample: () -> % ++ sample() returns a sample datum of type Byte. - Private == add - byte(x: NonNegativeInteger): % == - not (x < 256$Lisp) => - userError "integer value cannot be represented by a byte" - x : % + Private == SubDomain(NonNegativeInteger, #1 < 256) add + byte(x: NonNegativeInteger): % == x::% sample() = 0$Lisp - hash x == SXHASH(x)$Lisp - - coerce(x: NonNegativeInteger): % == byte x - coerce(x: %): NonNegativeInteger == x : NonNegativeInteger - coerce(c: Character) == ord(c)::% - coerce(x: %): Character == char(x::NonNegativeInteger) - - coerce(x: %): OutputForm == - x::NonNegativeInteger::OutputForm - + coerce(x: %): Character == char rep x x = y == byteEqual(x,y)$Lisp x < y == byteLessThan(x,y)$Lisp - bitand(x,y) == bitand(x,y)$Lisp bitior(x,y) == bitior(x,y)$Lisp @ |