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big: Fix mul.

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Jeroen van Rijn
2021-08-11 20:59:52 +02:00
parent 708389a7ee
commit 13fab36639
4 changed files with 168 additions and 8 deletions
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core/math/big/test.odin
+54
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@@ -41,4 +41,58 @@ PyRes :: struct {
r, err = int_itoa_cstring(sum, i8(radix), context.temp_allocator);
if err != .None { return PyRes{res=":add_two:itoa(sum):", err=err}; }
return PyRes{res = r, err = .None};
}
@export test_sub_two :: proc "c" (a, b: cstring, radix := int(10)) -> (res: PyRes) {
context = runtime.default_context();
err: Error;
aa, bb, sum := &Int{}, &Int{}, &Int{};
defer destroy(aa, bb, sum);
if err = atoi(aa, string(a), i8(radix)); err != .None { return PyRes{res=":sub_two:atoi(a):", err=err}; }
if err = atoi(bb, string(b), i8(radix)); err != .None { return PyRes{res=":sub_two:atoi(b):", err=err}; }
if err = sub(sum, aa, bb); err != .None { return PyRes{res=":sub_two:sub(sum,a,b):", err=err}; }
r: cstring;
r, err = int_itoa_cstring(sum, i8(radix), context.temp_allocator);
if err != .None { return PyRes{res=":sub_two:itoa(sum):", err=err}; }
return PyRes{res = r, err = .None};
}
@export test_mul_two :: proc "c" (a, b: cstring, radix := int(10)) -> (res: PyRes) {
context = runtime.default_context();
err: Error;
aa, bb, product := &Int{}, &Int{}, &Int{};
defer destroy(aa, bb, product);
if err = atoi(aa, string(a), i8(radix)); err != .None { return PyRes{res=":mul_two:atoi(a):", err=err}; }
if err = atoi(bb, string(b), i8(radix)); err != .None { return PyRes{res=":mul_two:atoi(b):", err=err}; }
if err = mul(product, aa, bb); err != .None { return PyRes{res=":mul_two:mul(product,a,b):", err=err}; }
r: cstring;
r, err = int_itoa_cstring(product, i8(radix), context.temp_allocator);
if err != .None { return PyRes{res=":mul_two:itoa(product):", err=err}; }
return PyRes{res = r, err = .None};
}
/*
NOTE(Jeroen): For simplicity, we don't return the quotient and the remainder, just the quotient.
*/
@export test_div_two :: proc "c" (a, b: cstring, radix := int(10)) -> (res: PyRes) {
context = runtime.default_context();
err: Error;
aa, bb, quotient := &Int{}, &Int{}, &Int{};
defer destroy(aa, bb, quotient);
if err = atoi(aa, string(a), i8(radix)); err != .None { return PyRes{res=":div_two:atoi(a):", err=err}; }
if err = atoi(bb, string(b), i8(radix)); err != .None { return PyRes{res=":div_two:atoi(b):", err=err}; }
if err = div(quotient, aa, bb); err != .None { return PyRes{res=":div_two:div(quotient,a,b):", err=err}; }
r: cstring;
r, err = int_itoa_cstring(quotient, i8(radix), context.temp_allocator);
if err != .None { return PyRes{res=":div_two:itoa(quotient):", err=err}; }
return PyRes{res = r, err = .None};
}