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[qfcc] Clean up algebra type creation

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It turned out two structs were being created for the full multi-vector.
Redundant and a potential source of interesting issues in the future.
This commit is contained in:
Bill Currie 2023-09-09 22:38:09 +09:00
parent 2967b97c18
commit 7f8cc64720
1 changed files with 13 additions and 50 deletions
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63
tools/qfcc/source/algebra.c
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@ -126,53 +126,6 @@ static const char **mvec_names[] = {
[4] = mvec_4d_names,
};
static symbol_t *
build_algebra_type (algebra_t *a)
{
auto name = save_string (va (0, "multivec.%s(%d.%d.%d)",
a->type->encoding,
a->plus, a->minus, a->zero));
int dim = a->plus + a->minus + a->zero;
symbol_t *mvsym;
if (dim > 4) {
auto mvec = new_symtab (0, stab_struct);
int counts[dim + 1];
binomial (counts, dim);
auto sym = new_symbol ("scalar");
sym->type = a->type;
sym->sy_type = sy_var;
sym->visibility = vis_public;
symtab_addsymbol (mvec, sym);
// skip 0 because the scalar doesn't need a special type
for (int i = 1; i < dim + 1; i++) {
sym = new_symbol (va (0, "vec_%d", i));
sym->type = array_type (a->type, counts[i]);
sym->sy_type = sy_var;
sym->visibility = vis_public;
symtab_addsymbol (mvec, sym);
}
mvsym = build_struct ('s', new_symbol (name), mvec, 0, 0);
if (mvsym->type->alignment < 4) {
mvsym->type->alignment = 4;
}
} else if (dim > 0) {
const char **names = mvec_names[dim];
int count = 0;
for (auto n = names; *n; n++, count++) continue;
struct_def_t fields[count + 1] = {};
for (int i = 0; i < count; i++) {
fields[i] = (struct_def_t) {
.name = names[i],
.type = algebra_mvec_type (a, 1u << i),
};
};
mvsym = make_structure (name, 's', fields, 0);
} else {
internal_error (0, "invalid number of dimensions");
}
return mvsym;
}
static void
basis_blade_init (basis_blade_t *blade, pr_uint_t mask)
{
@ -372,8 +325,8 @@ algebra_init (algebra_t *a)
algebra_mvec_type (a, g->group_mask);
}
}
algebra_mvec_type (a, (1 << a->layout.count) - 1);
a->mvec_sym = build_algebra_type (a);
auto type = algebra_mvec_type (a, (1 << a->layout.count) - 1);
a->mvec_sym = type->t.multivec->mvec_sym;
}
bool
@ -504,12 +457,22 @@ algebra_mvec_type (algebra_t *algebra, pr_uint_t group_mask)
}
symbol_t *mvec_sym = 0;
if (group_mask & (group_mask - 1)) {
const char **mv_names = 0;
if (algebra->dimension < 5) {
mv_names = mvec_names[algebra->dimension];
}
struct_def_t fields[count + 1] = {};
for (int i = 0, c = 0; i < algebra->layout.count; i++) {
pr_uint_t mask = 1 << i;
if (group_mask & mask) {
const char *name;
if (mv_names) {
name = mv_names[i];
} else {
name = va (0, "group_%d", i);
}
fields[c] = (struct_def_t) {
.name = save_string (va (0, "group_%d", i)),
.name = save_string (name),
.type = algebra_mvec_type (algebra, mask),
};
c++;