Fix •bit._cast handling of boolean output with shared or slice input

This commit is contained in:
Marshall Lochbaum 2022-02-04 17:21:24 -05:00
parent 69e496f7fa
commit 77dfaf75a4

View File

@ -882,6 +882,16 @@ B convert(CastType t, B x) {
default: thrM("•bit._cast: unsupported input width");
}
}
TyArr* copy(CastType t, B x) {
switch (t.s) {
case 1: return cpyBitArr(x);
case 8: return t.t=='c' ? cpyC8Arr (x) : cpyI8Arr (x);
case 16: return t.t=='c' ? cpyC16Arr(x) : cpyI16Arr(x);
case 32: return t.t=='c' ? cpyC32Arr(x) : cpyI32Arr(x);
case 64: return cpyF64Arr(x);
default: thrM("•bit._cast: unsupported input width");
}
}
u8 typeOfCast(CastType t) {
switch (t.s) {
case 1: return t_bitarr;
@ -904,13 +914,15 @@ B bitcast_c1(Md1D* d, B x) { B f = d->f;
if (zl*zt.s != s) thrM("•bit._cast: incompatible lengths");
// Convert to input type
B r = convert(xt, x);
if (v(r)->refc!=1) {
u8 rt = typeOfCast(zt);
if (rt==t_bitarr && (v(r)->refc!=1 || IS_SLICE(v(r)->type))) {
r = taga(copy(xt, r));
} else if (v(r)->refc!=1) {
r = taga(TI(r,slice)(r, 0, a(r)->ia));
sprnk(v(r),xr);
}
// Cast to output type
u8 rt = typeOfCast(zt); if (IS_SLICE(v(r)->type)) rt = TO_SLICE(rt);
v(r)->type = rt;
v(r)->type = IS_SLICE(v(r)->type) ? TO_SLICE(rt) : rt;
// Adjust shape
if (xr<=1) {
Arr* a = a(r);