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Cleanup

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This commit is contained in:
Justin Ethier 2017-03-30 17:58:39 -04:00
parent f8bbff4ebb
commit ffb9fd9e22
1 changed files with 25 additions and 20 deletions
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45
srfi/60.scm
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@ -134,12 +134,12 @@
(define-c bitwise-if
"(void* data, int argc, closure _, object k,
object mask, object n0, object n1)"
"Cyc_check_int(data, mask);
Cyc_check_int(data, n0);
Cyc_check_int(data, n1);
int m = unbox_number(mask);
int result = (m & ((int)unbox_number(n0))) | ((~m) & ((int)unbox_number(n1)));
return_closcall1(data, k, obj_int2obj(result));")
"Cyc_check_fixnum(data, mask); // TODO: bignum support
Cyc_check_fixnum(data, n0);
Cyc_check_fixnum(data, n1);
int m = unbox_number(mask);
int result = (m & ((int)unbox_number(n0))) | ((~m) & ((int)unbox_number(n1)));
return_closcall1(data, k, obj_int2obj(result));")
(define bitwise-merge bitwise-if)
@ -206,20 +206,25 @@
(define-c ash
"(void* data, int argc, closure _, object k, object x, object y)"
"Cyc_check_int(data, x);
Cyc_check_int(data,y);
int bf = (int)unbox_number(x);
int shift = (int)unbox_number(y);
int i;
if (shift > 0) {
for (i = 0; i < shift; i++) {
bf *= 2;
}
} else {
for (i = 0; i < abs(shift); i++) {
bf /= 2;
}
}
return_closcall1(data, k, obj_int2obj(bf))")
Cyc_check_int(data,y);
int bf = (int)unbox_number(x);
int shift = (int)unbox_number(y);
//int i;
if (shift > 0) {
bf <<= shift;
} else {
bf >>= abs(shift);
}
// if (shift > 0) {
// for (i = 0; i < shift; i++) {
// bf *= 2;
// }
// } else {
// for (i = 0; i < abs(shift); i++) {
// bf /= 2;
// }
// }
return_closcall1(data, k, obj_int2obj(bf))")
(define arithmetic-shift ash)