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Added square and expt as well as a macro to unbox numbers.

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This commit is contained in:
Justin Ethier 2016-01-28 22:54:33 -05:00
parent 7747ca9da2
commit 1a2994d27b
2 changed files with 15 additions and 3 deletions
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5
include/cyclone/runtime.h
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@ -103,6 +103,11 @@ object Cyc_global_set(void *thd, object *glo, object value);
} \
return_closcall1(data, cont, &i)
#define unbox_number(n) \
((type_of(n) == integer_tag) ? \
((integer_type *)n)->value : \
((double_type *)n)->value)
/* Prototypes for primitive functions. */
extern object Cyc_global_variables;

13
scheme/base.sld
View file

@ -23,6 +23,8 @@
floor-quotient
floor-remainder
floor/
square
expt
call-with-current-continuation
call/cc
call-with-values
@ -183,7 +185,6 @@
; equal?
; eqv?
; exact-integer-sqrt
; expt
; foldl
; foldr
; get-output-bytevector
@ -226,7 +227,6 @@
; real?
; record?
; remainder
; square
; string->number
; string->symbol
; string->utf8
@ -951,9 +951,16 @@
(if (and (exact? n) (exact? m))
(exact res)
res)))
;(define floor-remainder modulo)
(define (floor-remainder n m)
(- n (* m (floor-quotient n m))))
(define (floor/ n m)
(values (floor-quotient n m) (floor-remainder n m)))
(define (square z) (* z z))
(define-c expt
"(void *data, int argc, closure _, object k, object z1, object z2)"
" make_double(d, 0.0);
Cyc_check_num(data, z1);
Cyc_check_num(data, z2);
d.value = pow( unbox_number(z1), unbox_number(z2) );
return_closcall1(data, k, &d); ")
))