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* Added fxif

This commit is contained in:
Abdulaziz Ghuloum 2007-09-15 03:27:28 -04:00
parent 4b0a0411c0
commit 79916549cd
4 changed files with 16 additions and 3 deletions
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BIN
src/ikarus.boot
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16
src/ikarus.fixnums.ss
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@ -5,7 +5,7 @@
fxremainder fxmodulo fxlogor fxlogand fxlogxor fxsll fxsra
fx= fx< fx<= fx> fx>=
fx=? fx<? fx<=? fx>? fx>=?
fxior fxand fxxor fxnot
fxior fxand fxxor fxnot fxif
fxpositive? fxnegative?
fxeven? fxodd?
fixnum->string
@ -22,7 +22,7 @@
fxquotient fxremainder fxmodulo fxlogor fxlogand
fxlogxor fxsll fxsra fx= fx< fx<= fx> fx>=
fx=? fx<? fx<=? fx>? fx>=?
fxior fxand fxxor fxnot
fxior fxand fxxor fxnot fxif
fxpositive? fxnegative?
fxeven? fxodd?
fxarithmetic-shift-left fxarithmetic-shift-right fxarithmetic-shift
@ -89,6 +89,7 @@
(error 'fx* "~s is not a fixnum" y))
($fx* x y)))
(define false-loop
(lambda (who ls)
(if (pair? ls)
@ -202,6 +203,17 @@
(define fxand (fxbitop fxand $fxlogand -1))
(define fxxor (fxbitop fxxor $fxlogxor 0))
(define (fxif x y z)
(if (fixnum? x)
(if (fixnum? y)
(if (fixnum? z)
($fxlogor
($fxlogand x y)
($fxlogand ($fxlognot x) z))
(error 'fxif "~s is not a fixnum" z))
(error 'fxif "~s is not a fixnum" y))
(error 'fxif "~s is not a fixnum" x)))
(define fxsra
(lambda (x y)
(unless (fixnum? x)

1
src/makefile.ss
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@ -450,6 +450,7 @@
[fxand i]
[fxxor i]
[fxnot i]
[fxif i]
[fxeven? i]
[fxodd? i]
[fxpositive? i]

2
src/todo-r6rs.ss
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@ -286,7 +286,7 @@
[fxdiv0-and-mod0 D fx]
[fxeven? C fx]
[fxfirst-bit-set D fx]
[fxif D fx]
[fxif C fx]
[fxior C fx]
[fxlength D fx]
[fxmax C fx]