uCBQN/src/builtins/fns.c
2021-11-21 22:54:07 +02:00

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#include "../core.h"
#include "../utils/hash.h"
#include "../utils/mut.h"
#include "../utils/talloc.h"
#include "../nfns.h"
void print_funBI(B x) { printf("%s", pfn_repr(c(Fun,x)->extra)); }
B funBI_uc1(B t, B o, B x) { return c(BFn,t)->uc1(t, o, x); }
B funBI_ucw(B t, B o, B w, B x) { return c(BFn,t)->ucw(t, o, w, x); }
B funBI_im(B t, B x) { return c(BFn,t)->im(t, x); }
B funBI_identity(B x) { return inc(c(BFn,x)->ident); }
void ud_rec(B** p, usz d, usz r, i32* pos, usz* sh) {
if (d==r) {
i32* rp;
*(*p)++ = m_i32arrv(&rp, r);
memcpy(rp, pos, 4*r);
} else {
usz c = sh[d];
for (usz i = 0; i < c; i++) {
pos[d] = i;
ud_rec(p, d+1, r, pos, sh);
}
}
}
B ud_c1(B t, B x) {
if (isAtm(x)) {
usz xu = o2s(x);
if (LIKELY(xu<=I8_MAX)) {
if (RARE(xu==0)) return emptyIVec();
i8* rp; B r = m_i8arrv(&rp, xu);
for (usz i = 0; i < xu; i++) rp[i] = i;
return r;
}
if (xu<=I16_MAX) {
i16* rp; B r = m_i16arrv(&rp, xu);
for (usz i = 0; i < xu; i++) rp[i] = i;
return r;
}
if (xu<=I32_MAX) {
i32* rp; B r = m_i32arrv(&rp, xu);
for (usz i = 0; i < xu; i++) rp[i] = i;
return r;
}
f64* rp; B r = m_f64arrv(&rp, xu);
for (usz i = 0; i < xu; i++) rp[i] = i;
return r;
}
SGetU(x)
usz xia = a(x)->ia;
if (rnk(x)!=1) thrF("↕: Argument must be either an integer or integer list (had rank %i)", rnk(x));
if (xia>UR_MAX) thrF("↕: Result rank too large (%s≡≠𝕩)", xia);
usz sh[xia];
usz ria = 1;
for (usz i = 0; i < xia; i++) {
usz c = o2s(GetU(x, i));
if (c > I32_MAX) thrM("↕: Result too large");
sh[i] = c;
if (c*(u64)ria >= U32_MAX) thrM("↕: Result too large");
ria*= c;
}
dec(x);
Arr* r = m_fillarrp(ria); fillarr_setFill(r, m_f64(0));
B* rp = fillarr_ptr(r);
for (usz i = 0; i < ria; i++) rp[i] = m_f64(0); // don't break if allocation errors
usz* rsh = arr_shAlloc(r, xia);
if (rsh) memcpy(rsh, sh, sizeof(usz)*xia);
i32 pos[xia]; B* crp = rp;
ud_rec(&crp, 0, xia, pos, sh);
if (ria) fillarr_setFill(r, inc(rp[0]));
else {
i32* fp;
fillarr_setFill(r, m_i32arrv(&fp, xia));
for (usz i = 0; i < xia; i++) fp[i] = 0;
}
return taga(r);
}
extern B rt_ud;
B ud_c2(B t, B w, B x) {
return c2(rt_ud, w, x);
}
B ltack_c1(B t, B x) { return x; }
B ltack_c2(B t, B w, B x) { dec(x); return w; }
B rtack_c1(B t, B x) { return x; }
B rtack_c2(B t, B w, B x) { dec(w); return x; }
B fne_c1(B t, B x) {
if (isAtm(x)) {
dec(x);
return emptyIVec();
}
ur xr = rnk(x);
usz* sh = a(x)->sh;
usz or = 0;
for (i32 i = 0; i < xr; i++) or|= sh[i];
B r;
if (or<=I8_MAX ) { i8* rp; r = m_i8arrv (&rp, xr); for (i32 i = 0; i < xr; i++) rp[i] = sh[i]; }
else if (or<=I16_MAX) { i16* rp; r = m_i16arrv(&rp, xr); for (i32 i = 0; i < xr; i++) rp[i] = sh[i]; }
else if (or<=I32_MAX) { i32* rp; r = m_i32arrv(&rp, xr); for (i32 i = 0; i < xr; i++) rp[i] = sh[i]; }
else { f64* rp; r = m_f64arrv(&rp, xr); for (i32 i = 0; i < xr; i++) rp[i] = sh[i]; }
dec(x); return r;
}
B feq_c1(B t, B x) {
u64 r = depth(x);
dec(x);
return m_f64(r);
}
B feq_c2(B t, B w, B x) {
bool r = equal(w, x);
dec(w); dec(x);
return m_i32(r);
}
B fne_c2(B t, B w, B x) {
bool r = !equal(w, x);
dec(w); dec(x);
return m_i32(r);
}
extern B rt_indexOf;
B indexOf_c1(B t, B x) {
if (isAtm(x)) thrM("⊐: 𝕩 cannot have rank 0");
usz xia = a(x)->ia;
if (xia==0) { dec(x); return emptyIVec(); }
if (rnk(x)==1 && TI(x,elType)==el_i32) {
i32* xp = i32any_ptr(x);
i32 min=I32_MAX, max=I32_MIN;
for (usz i = 0; i < xia; i++) {
i32 c = xp[i];
if (c<min) min = c;
if (c>max) max = c;
}
i64 dst = 1 + (max-(i64)min);
if ((dst<xia*5 || dst<50) && min!=I32_MIN) {
i32* rp; B r = m_i32arrv(&rp, xia);
TALLOC(i32, tmp, dst);
for (i64 i = 0; i < dst; i++) tmp[i] = I32_MIN;
i32* tc = tmp-min;
i32 ctr = 0;
for (usz i = 0; i < xia; i++) {
i32 c = xp[i];
if (tc[c]==I32_MIN) tc[c] = ctr++;
rp[i] = tc[c];
}
dec(x); TFREE(tmp);
return r;
}
}
// if (rnk(x)==1) { // relies on equal hashes implying equal objects, which has like a 2⋆¯64 chance of being false per item
// // u64 s = nsTime();
// i32* rp; B r = m_i32arrv(&rp, xia);
// u64 size = xia*2;
// wyhashmap_t idx[size];
// i32 val[size];
// for (i64 i = 0; i < size; i++) { idx[i] = 0; val[i] = -1; }
// SGet(x)
// i32 ctr = 0;
// for (usz i = 0; i < xia; i++) {
// u64 hash = bqn_hash(Get(x,i), wy_secret);
// u64 p = wyhashmap(idx, size, &hash, 8, true, wy_secret);
// if (val[p]==-1) val[p] = ctr++;
// rp[i] = val[p];
// }
// dec(x);
// // u64 e = nsTime(); q1+= e-s;
// return r;
// }
if (rnk(x)==1) {
// u64 s = nsTime();
i32* rp; B r = m_i32arrv(&rp, xia);
H_b2i* map = m_b2i(64);
SGetU(x)
i32 ctr = 0;
for (usz i = 0; i < xia; i++) {
bool had; u64 p = mk_b2i(&map, GetU(x,i), &had);
if (had) rp[i] = map->a[p].val;
else rp[i] = map->a[p].val = ctr++;
}
free_b2i(map); dec(x);
// u64 e = nsTime(); q1+= e-s;
return r;
}
return c1(rt_indexOf, x);
}
B indexOf_c2(B t, B w, B x) {
if (!isArr(w) || rnk(w)==0) thrM("⊐: 𝕨 must have rank at least 1");
if (rnk(w)==1) {
if (!isArr(x) || rnk(x)==0) {
usz wia = a(w)->ia;
B el = isArr(x)? IGetU(x,0) : x;
i32 res = wia;
if (TI(w,elType)==el_i32) {
if (q_i32(el)) {
i32* wp = i32any_ptr(w);
i32 v = o2iu(el);
for (usz i = 0; i < wia; i++) {
if (wp[i] == v) { res = i; break; }
}
}
} else {
SGetU(w)
for (usz i = 0; i < wia; i++) {
if (equal(GetU(w,i), el)) { res = i; break; }
}
}
dec(w); dec(x);
i32* rp; Arr* r = m_i32arrp(&rp, 1);
arr_shAlloc(r, 0);
rp[0] = res;
return taga(r);
} else if (rnk(x)==1) {
usz wia = a(w)->ia;
usz xia = a(x)->ia;
// TODO O(wia×xia) for small wia
i32* rp; B r = m_i32arrv(&rp, xia);
H_b2i* map = m_b2i(64);
SGetU(x)
SGetU(w)
for (usz i = 0; i < wia; i++) {
bool had; u64 p = mk_b2i(&map, GetU(w,i), &had);
if (!had) map->a[p].val = i;
}
for (usz i = 0; i < xia; i++) rp[i] = getD_b2i(map, GetU(x,i), wia);
free_b2i(map); dec(w); dec(x);
return r;
}
}
return c2(rt_indexOf, w, x);
}
extern B rt_memberOf;
B memberOf_c1(B t, B x) {
if (isAtm(x) || rnk(x)==0) thrM("∊: Argument cannot have rank 0");
if (rnk(x)!=1) x = toCells(x);
usz xia = a(x)->ia;
u64* rp; B r = m_bitarrv(&rp, xia);
H_Sb* set = m_Sb(64);
SGetU(x)
for (usz i = 0; i < xia; i++) bitp_set(rp, i, !ins_Sb(&set, GetU(x,i)));
free_Sb(set); dec(x);
return r;
}
B memberOf_c2(B t, B w, B x) {
if (!isArr(w) || rnk(w)!=1 || !isArr(x) || rnk(x)!=1) return c2(rt_memberOf, w, x);
usz wia = a(w)->ia;
usz xia = a(x)->ia;
// TODO O(wia×xia) for small wia
H_Sb* set = m_Sb(64);
bool had;
SGetU(x)
SGetU(w)
for (usz i = 0; i < xia; i++) mk_Sb(&set, GetU(x,i), &had);
u64* rp; B r = m_bitarrv(&rp, wia);
for (usz i = 0; i < wia; i++) bitp_set(rp, i, has_Sb(set, GetU(w,i)));
free_Sb(set); dec(w);dec(x);
return r;
}
extern B rt_find;
B find_c1(B t, B x) {
if (isAtm(x) || rnk(x)==0) thrM("⍷: Argument cannot have rank 0");
usz xia = a(x)->ia;
B xf = getFillQ(x);
if (rnk(x)!=1) return c1(rt_find, x);
B r = emptyHVec();
H_Sb* set = m_Sb(64);
SGetU(x)
for (usz i = 0; i < xia; i++) {
B c = GetU(x,i);
if (!ins_Sb(&set, c)) r = vec_add(r, inc(c));
}
free_Sb(set); dec(x);
return withFill(r, xf);
}
B find_c2(B t, B w, B x) {
return c2(rt_find, w, x);
}
extern B rt_count;
B count_c1(B t, B x) {
if (isAtm(x) || rnk(x)==0) thrM("⊒: Argument cannot have rank 0");
if (rnk(x)>1) x = toCells(x);
usz xia = a(x)->ia;
i32* rp; B r = m_i32arrv(&rp, xia);
H_b2i* map = m_b2i(64);
SGetU(x)
for (usz i = 0; i < xia; i++) {
bool had; u64 p = mk_b2i(&map, GetU(x,i), &had);
rp[i] = had? ++map->a[p].val : (map->a[p].val = 0);
}
dec(x); free_b2i(map);
return r;
}
B count_c2(B t, B w, B x) {
return c2(rt_count, w, x);
}
void fns_init() {
TIi(t_funBI,print) = print_funBI;
TIi(t_funBI,identity) = funBI_identity;
TIi(t_funBI,fn_uc1) = funBI_uc1;
TIi(t_funBI,fn_ucw) = funBI_ucw;
TIi(t_funBI,fn_im) = funBI_im;
}