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big: More refactoring.

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This commit is contained in:
Jeroen van Rijn
2021-08-11 20:59:53 +02:00
parent 6d34a8344a
commit 07dca737f0
2 changed files with 156 additions and 323 deletions
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core/math/big/internal.odin
+9 -9
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@@ -1740,7 +1740,7 @@ internal_abs :: proc{ internal_int_abs, internal_platform_abs, };
/*
Set `dest` to `-src`.
*/
internal_neg :: proc(dest, src: ^Int, allocator := context.allocator) -> (err: Error) {
internal_int_neg :: proc(dest, src: ^Int, allocator := context.allocator) -> (err: Error) {
/*
Check that src is usable.
*/
@@ -1774,6 +1774,8 @@ internal_neg :: proc(dest, src: ^Int, allocator := context.allocator) -> (err: E
dest.sign = sign;
return nil;
}
internal_neg :: proc { internal_int_neg, };
/*
Helpers to extract values from the `Int`.
@@ -1961,7 +1963,7 @@ internal_int_nan :: proc(a: ^Int, minimize := false, allocator := context.alloca
}
internal_nan :: proc { internal_int_nan, };
internal_power_of_two :: proc(a: ^Int, power: int) -> (err: Error) {
internal_int_power_of_two :: proc(a: ^Int, power: int, allocator := context.allocator) -> (err: Error) {
/*
Check that `a` is usable.
*/
@@ -1977,7 +1979,7 @@ internal_power_of_two :: proc(a: ^Int, power: int) -> (err: Error) {
Grow to accomodate the single bit.
*/
a.used = (power / _DIGIT_BITS) + 1;
if err = internal_grow(a, a.used); err != nil {
if err = internal_grow(a, a.used, false, allocator); err != nil {
return err;
}
/*
@@ -2027,8 +2029,6 @@ internal_get_i32 :: proc { internal_int_get_i32, };
and maybe return max(T), .Integer_Overflow if not?
*/
internal_int_get :: proc(a: ^Int, $T: typeid) -> (res: T, err: Error) where intrinsics.type_is_integer(T) {
if err = clear_if_uninitialized(a); err != nil { return 0, err; }
size_in_bits := int(size_of(T) * 8);
i := int((size_in_bits + _DIGIT_BITS - 1) / _DIGIT_BITS);
i = min(int(a.used), i);
@@ -2174,19 +2174,19 @@ internal_assert_initialized :: proc(a: ^Int, loc := #caller_location) {
assert(internal_is_initialized(a), "`Int` was not properly initialized.", loc);
}
internal_clear_if_uninitialized_single :: proc(arg: ^Int) -> (err: Error) {
internal_clear_if_uninitialized_single :: proc(arg: ^Int, allocator := context.allocator) -> (err: Error) {
if !internal_is_initialized(arg) {
if arg == nil { return nil; }
return internal_grow(arg, _DEFAULT_DIGIT_COUNT);
return internal_grow(arg, _DEFAULT_DIGIT_COUNT, true, allocator);
}
return err;
}
internal_clear_if_uninitialized_multi :: proc(args: ..^Int) -> (err: Error) {
internal_clear_if_uninitialized_multi :: proc(args: ..^Int, allocator := context.allocator) -> (err: Error) {
for i in args {
if i == nil { continue; }
if !internal_is_initialized(i) {
e := internal_grow(i, _DEFAULT_DIGIT_COUNT);
e := internal_grow(i, _DEFAULT_DIGIT_COUNT, true, allocator);
if e != nil { err = e; }
}
}