505 lines
11 KiB
Scheme
505 lines
11 KiB
Scheme
;INSERTCODE
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;------------------------------------------------------------------------------
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;(define depth (make-parameter 0))
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;(current-eval
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; (lambda (x)
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; (parameterize ([depth (+ (depth) 1)])
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; (printf "[~s] compiling \n" (depth))
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; (pretty-print x)
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; (alt-compile x))))
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;(current-eval alt-compile)
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(define (run-bench name count ok? run)
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(let loop ((i 0) (result (list 'undefined)))
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(if (< i count)
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(loop (+ i 1) (run))
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result)))
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;(define-syntax if-fixflo (syntax-rules () ((if-fixflo yes no) no)))
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(define (run-benchmark name count ok? run-maker . args)
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(newline)
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(let* ((run (apply run-maker args))
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(result (time (run-bench name count ok? run))))
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(if (not (ok? result))
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(begin
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(display "*** wrong result ***")
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(newline)
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(display "*** got: ")
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(write result)
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(newline))))
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(exit 0))
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(define (fatal-error . args)
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(apply error #f args))
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(define (call-with-output-file/truncate filename proc)
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(call-with-output-file filename proc 'truncate))
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; Bitwise operations on exact integers.
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; From the draft reference implementation of R6RS generic arithmetic.
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(define (bitwise-or i j)
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(if (and (exact? i)
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(integer? i)
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(exact? j)
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(integer? j))
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(cond ((or (= i -1) (= j -1))
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-1)
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((= i 0)
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j)
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((= j 0)
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i)
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(else
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(let* ((i0 (if (odd? i) 1 0))
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(j0 (if (odd? j) 1 0))
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(i1 (- i i0))
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(j1 (- j j0))
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(i/2 (quotient i1 2))
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(j/2 (quotient j1 2))
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(hi (* 2 (bitwise-or i/2 j/2)))
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(lo (if (= 0 (+ i0 j0)) 0 1)))
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(+ hi lo))))
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(error "illegal argument to bitwise-or" i j)))
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(define (bitwise-and i j)
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(if (and (exact? i)
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(integer? i)
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(exact? j)
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(integer? j))
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(cond ((or (= i 0) (= j 0))
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0)
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((= i -1)
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j)
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((= j -1)
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i)
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(else
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(let* ((i0 (if (odd? i) 1 0))
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(j0 (if (odd? j) 1 0))
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(i1 (- i i0))
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(j1 (- j j0))
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(i/2 (quotient i1 2))
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(j/2 (quotient j1 2))
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(hi (* 2 (bitwise-and i/2 j/2)))
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(lo (* i0 j0)))
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(+ hi lo))))
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(error "illegal argument to bitwise-and" i j)))
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(define (bitwise-not i)
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(if (and (exact? i)
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(integer? i))
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(cond ((= i -1)
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0)
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((= i 0)
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-1)
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(else
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(let* ((i0 (if (odd? i) 1 0))
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(i1 (- i i0))
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(i/2 (quotient i1 2))
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(hi (* 2 (bitwise-not i/2)))
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(lo (- 1 i0)))
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(+ hi lo))))
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(error "illegal argument to bitwise-not" i j)))
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(define call-with-current-continuation call/cc)
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;------------------------------------------------------------------------------
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; Macros...
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(if-fixflo
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(begin
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; Specialize fixnum and flonum arithmetic.
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(define-syntax FLOATvector-const
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(syntax-rules ()
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((FLOATvector-const x ...) '#(x ...))))
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(define-syntax FLOATvector?
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(syntax-rules ()
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((FLOATvector? x) (vector? x))))
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(define-syntax FLOATvector
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(syntax-rules ()
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((FLOATvector x ...) (vector x ...))))
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(define-syntax FLOATmake-vector
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(syntax-rules ()
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((FLOATmake-vector n) (make-vector n 0.0))
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((FLOATmake-vector n init) (make-vector n init))))
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(define-syntax FLOATvector-ref
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(syntax-rules ()
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((FLOATvector-ref v i) (vector-ref v i))))
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(define-syntax FLOATvector-set!
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(syntax-rules ()
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((FLOATvector-set! v i x) (vector-set! v i x))))
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(define-syntax FLOATvector-length
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(syntax-rules ()
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((FLOATvector-length v) (vector-length v))))
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(define-syntax nuc-const
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(syntax-rules ()
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((FLOATnuc-const x ...) '#(x ...))))
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(define-syntax FLOAT+
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(syntax-rules ()
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((FLOAT+ x ...) (fl+ x ...))))
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(define-syntax FLOAT-
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(syntax-rules ()
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((FLOAT- x ...) (fl- x ...))))
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(define-syntax FLOAT*
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(syntax-rules ()
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((FLOAT* x ...) (fl* x ...))))
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(define-syntax FLOAT/
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(syntax-rules ()
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((FLOAT/ x ...) (fl/ x ...))))
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(define-syntax FLOAT=
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(syntax-rules ()
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((FLOAT= x y) (fl= x y))))
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(define-syntax FLOAT<
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(syntax-rules ()
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((FLOAT< x y) (fl< x y))))
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(define-syntax FLOAT<=
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(syntax-rules ()
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((FLOAT<= x y) (fl<= x y))))
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(define-syntax FLOAT>
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(syntax-rules ()
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((FLOAT> x y) (fl> x y))))
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(define-syntax FLOAT>=
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(syntax-rules ()
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((FLOAT>= x y) (fl>= x y))))
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;; (define-syntax FLOATnegative?
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;; (syntax-rules ()
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;; ((FLOATnegative? x) (fl< x 0.0))))
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;;
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;; (define-syntax FLOATpositive?
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;; (syntax-rules ()
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;; ((FLOATpositive? x) (fl< 0.0 x))))
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;;
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;; (define-syntax FLOATzero?
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;; (syntax-rules ()
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;; ((FLOATzero? x) (fl= 0.0 x))))
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(define-syntax FLOATabs
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(syntax-rules ()
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((FLOATabs x) (flabs x))))
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(define-syntax FLOATsin
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(syntax-rules ()
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((FLOATsin x) (sin x))))
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(define-syntax FLOATcos
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(syntax-rules ()
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((FLOATcos x) (cos x))))
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(define-syntax FLOATatan
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(syntax-rules ()
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((FLOATatan x) (atan x))))
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(define-syntax FLOATsqrt
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(syntax-rules ()
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((FLOATsqrt x) (sqrt x))))
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(define-syntax FLOATmin
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(syntax-rules ()
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((FLOATmin x y) (min x y))))
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(define-syntax FLOATmax
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(syntax-rules ()
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((FLOATmax x y) (max x y))))
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(define-syntax FLOATround
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(syntax-rules ()
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((FLOATround x) (round x))))
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(define-syntax FLOATinexact->exact
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(syntax-rules ()
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((FLOATinexact->exact x) (inexact->exact x))))
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(define (GENERIC+ x y) (+ x y))
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(define (GENERIC- x y) (- x y))
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(define (GENERIC* x y) (* x y))
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(define (GENERIC/ x y) (/ x y))
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(define (GENERICquotient x y) (quotient x y))
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(define (GENERICremainder x y) (remainder x y))
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(define (GENERICmodulo x y) (modulo x y))
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(define (GENERIC= x y) (= x y))
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(define (GENERIC< x y) (< x y))
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(define (GENERIC<= x y) (<= x y))
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(define (GENERIC> x y) (> x y))
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(define (GENERIC>= x y) (>= x y))
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(define (GENERICexpt x y) (expt x y))
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(define-syntax +
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(syntax-rules ()
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((+ x ...) (fx+ x ...))))
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(define-syntax -
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(syntax-rules ()
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((- x ...) (fx- x ...))))
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(define-syntax *
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(syntax-rules ()
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((* x ...) (fx* x ...))))
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(define-syntax quotient
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(syntax-rules ()
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((quotient x ...) (fxquotient x ...))))
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(define-syntax modulo
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(syntax-rules ()
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((modulo x ...) (fxmodulo x ...))))
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(define-syntax remainder
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(syntax-rules ()
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((remainder x ...) (fxremainder x ...))))
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(define-syntax =
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(syntax-rules ()
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((= x y) (fx= x y))))
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(define-syntax <
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(syntax-rules ()
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((< x y) (fx< x y))))
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(define-syntax <=
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(syntax-rules ()
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((<= x y) (fx<= x y))))
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(define-syntax >
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(syntax-rules ()
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((> x y) (fx> x y))))
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(define-syntax >=
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(syntax-rules ()
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((>= x y) (fx>= x y))))
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(define-syntax negative?
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(syntax-rules ()
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((negative? x) (fxnegative? x))))
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(define-syntax positive?
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(syntax-rules ()
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((positive? x) (fxpositive? x))))
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(define-syntax zero?
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(syntax-rules ()
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((zero? x) (fxzero? x))))
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(define-syntax odd?
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(syntax-rules ()
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((odd? x) (fxodd? x))))
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(define-syntax even?
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(syntax-rules ()
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((even? x) (fxeven? x))))
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; FIXME
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(define-syntax bitwise-or
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(syntax-rules ()
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((bitwise-or x y) (fxlogor x y))))
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(define-syntax bitwise-and
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(syntax-rules ()
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((bitwise-and x y) (fxlogand x y))))
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(define-syntax bitwise-not
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(syntax-rules ()
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((bitwise-not x) (fxlognot x))))
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)
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(begin
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; Don't specialize fixnum and flonum arithmetic.
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(define-syntax FLOATvector-const
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(syntax-rules ()
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((FLOATvector-const x ...) '#(x ...))))
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(define-syntax FLOATvector?
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(syntax-rules ()
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((FLOATvector? x) (vector? x))))
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(define-syntax FLOATvector
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(syntax-rules ()
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((FLOATvector x ...) (vector x ...))))
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(define-syntax FLOATmake-vector
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(syntax-rules ()
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((FLOATmake-vector n) (make-vector n 0.0))
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((FLOATmake-vector n init) (make-vector n init))))
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(define-syntax FLOATvector-ref
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(syntax-rules ()
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((FLOATvector-ref v i) (vector-ref v i))))
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(define-syntax FLOATvector-set!
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(syntax-rules ()
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((FLOATvector-set! v i x) (vector-set! v i x))))
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(define-syntax FLOATvector-length
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(syntax-rules ()
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((FLOATvector-length v) (vector-length v))))
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(define-syntax nuc-const
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(syntax-rules ()
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((FLOATnuc-const x ...) '#(x ...))))
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(define-syntax FLOAT+
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(syntax-rules ()
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((FLOAT+ x ...) (+ x ...))))
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(define-syntax FLOAT-
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(syntax-rules ()
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((FLOAT- x ...) (- x ...))))
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(define-syntax FLOAT*
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(syntax-rules ()
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((FLOAT* x ...) (* x ...))))
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(define-syntax FLOAT/
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(syntax-rules ()
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((FLOAT/ x ...) (/ x ...))))
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(define-syntax FLOAT=
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(syntax-rules ()
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((FLOAT= x y) (= x y))))
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(define-syntax FLOAT<
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(syntax-rules ()
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((FLOAT< x y) (< x y))))
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(define-syntax FLOAT<=
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(syntax-rules ()
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((FLOAT<= x y) (<= x y))))
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(define-syntax FLOAT>
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(syntax-rules ()
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((FLOAT> x y) (> x y))))
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(define-syntax FLOAT>=
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(syntax-rules ()
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((FLOAT>= x y) (>= x y))))
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(define-syntax FLOATnegative?
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(syntax-rules ()
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((FLOATnegative? x) (negative? x))))
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(define-syntax FLOATpositive?
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(syntax-rules ()
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((FLOATpositive? x) (positive? x))))
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(define-syntax FLOATzero?
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(syntax-rules ()
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((FLOATzero? x) (zero? x))))
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(define-syntax FLOATabs
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(syntax-rules ()
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((FLOATabs x) (abs x))))
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(define-syntax FLOATsin
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(syntax-rules ()
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((FLOATsin x) (sin x))))
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(define-syntax FLOATcos
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(syntax-rules ()
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((FLOATcos x) (cos x))))
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(define-syntax FLOATatan
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(syntax-rules ()
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((FLOATatan x) (atan x))))
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(define-syntax FLOATsqrt
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(syntax-rules ()
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((FLOATsqrt x) (sqrt x))))
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(define-syntax FLOATmin
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(syntax-rules ()
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((FLOATmin x y) (min x y))))
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(define-syntax FLOATmax
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(syntax-rules ()
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((FLOATmax x y) (max x y))))
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(define-syntax FLOATround
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(syntax-rules ()
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((FLOATround x) (round x))))
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(define-syntax FLOATinexact->exact
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(syntax-rules ()
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((FLOATinexact->exact x) (inexact->exact x))))
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; Generic arithmetic.
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(define-syntax GENERIC+
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(syntax-rules ()
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((GENERIC+ x ...) (+ x ...))))
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(define-syntax GENERIC-
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(syntax-rules ()
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((GENERIC- x ...) (- x ...))))
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(define-syntax GENERIC*
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(syntax-rules ()
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((GENERIC* x ...) (* x ...))))
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(define-syntax GENERIC/
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(syntax-rules ()
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((GENERIC/ x ...) (/ x ...))))
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(define-syntax GENERICquotient
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(syntax-rules ()
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((GENERICquotient x y) (quotient x y))))
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(define-syntax GENERICremainder
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(syntax-rules ()
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((GENERICremainder x y) (remainder x y))))
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(define-syntax GENERICmodulo
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(syntax-rules ()
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((GENERICmodulo x y) (modulo x y))))
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(define-syntax GENERIC=
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(syntax-rules ()
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((GENERIC= x y) (= x y))))
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(define-syntax GENERIC<
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(syntax-rules ()
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((GENERIC< x y) (< x y))))
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(define-syntax GENERIC<=
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(syntax-rules ()
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((GENERIC<= x y) (<= x y))))
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(define-syntax GENERIC>
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(syntax-rules ()
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((GENERIC> x y) (> x y))))
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(define-syntax GENERIC>=
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(syntax-rules ()
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((GENERIC>= x y) (>= x y))))
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(define-syntax GENERICexpt
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(syntax-rules ()
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((GENERICexpt x y) (expt x y))))
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)
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)
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;(assembler-output #t)
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;------------------------------------------------------------------------------
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