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AK/Hex: Cleanup implementation

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Problem:
- Post-increment of loop index.
- `const` variables are not marked `const`.
- Incorrect type for loop index.

Solution:
- Pre-increment loop index.
- Mark all possible variables `const`.
- Corret type for loop index.
This commit is contained in:
Lenny Maiorani 2021-04-18 11:12:03 -06:00 • committed by Andreas Kling
parent d462a56163
commit c1971df4c7
3 changed files with 50 additions and 50 deletions
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4
AK/Complex.h
View file

@ -316,11 +316,11 @@ static constexpr bool approx_eq(const Complex<T>& a, const Complex<U>& b, const
return x.magnitude() <= margin; return x.magnitude() <= margin;
} }
//complex version of exp() // complex version of exp()
template<AK::Concepts::Arithmetic T> template<AK::Concepts::Arithmetic T>
static constexpr Complex<T> cexp(const Complex<T>& a) static constexpr Complex<T> cexp(const Complex<T>& a)
{ {
//FIXME: this can probably be faster and not use so many expensive trigonometric functions // FIXME: this can probably be faster and not use so many expensive trigonometric functions
if constexpr (sizeof(T) <= sizeof(float)) { if constexpr (sizeof(T) <= sizeof(float)) {
return expf(a.real()) * Complex<T>(cosf(a.imag()), sinf(a.imag())); return expf(a.real()) * Complex<T>(cosf(a.imag()), sinf(a.imag()));
} else if constexpr (sizeof(T) <= sizeof(double)) { } else if constexpr (sizeof(T) <= sizeof(double)) {

8
AK/Hex.cpp
View file

@ -42,12 +42,12 @@ Optional<ByteBuffer> decode_hex(const StringView& input)
auto output = ByteBuffer::create_zeroed(input.length() / 2); auto output = ByteBuffer::create_zeroed(input.length() / 2);
for (long unsigned int i = 0; i < input.length() / 2; i++) { for (size_t i = 0; i < input.length() / 2; ++i) {
auto c1 = decode_hex_digit(input[i * 2]); const auto c1 = decode_hex_digit(input[i * 2]);
if (c1 >= 16) if (c1 >= 16)
return {}; return {};
auto c2 = decode_hex_digit(input[i * 2 + 1]); const auto c2 = decode_hex_digit(input[i * 2 + 1]);
if (c2 >= 16) if (c2 >= 16)
return {}; return {};
@ -57,7 +57,7 @@ Optional<ByteBuffer> decode_hex(const StringView& input)
return output; return output;
} }
String encode_hex(ReadonlyBytes input) String encode_hex(const ReadonlyBytes input)
{ {
StringBuilder output(input.size() * 2); StringBuilder output(input.size() * 2);

88
AK/Tests/TestHex.cpp
View file

@ -30,54 +30,54 @@
TEST_CASE(should_decode_hex_digit) TEST_CASE(should_decode_hex_digit)
{ {
EXPECT_EQ(0u, decode_hex_digit('0')); EXPECT_EQ(0u, decode_hex_digit('0'));
EXPECT_EQ(1u, decode_hex_digit('1')); EXPECT_EQ(1u, decode_hex_digit('1'));
EXPECT_EQ(2u, decode_hex_digit('2')); EXPECT_EQ(2u, decode_hex_digit('2'));
EXPECT_EQ(3u, decode_hex_digit('3')); EXPECT_EQ(3u, decode_hex_digit('3'));
EXPECT_EQ(4u, decode_hex_digit('4')); EXPECT_EQ(4u, decode_hex_digit('4'));
EXPECT_EQ(5u, decode_hex_digit('5')); EXPECT_EQ(5u, decode_hex_digit('5'));
EXPECT_EQ(6u, decode_hex_digit('6')); EXPECT_EQ(6u, decode_hex_digit('6'));
EXPECT_EQ(7u, decode_hex_digit('7')); EXPECT_EQ(7u, decode_hex_digit('7'));
EXPECT_EQ(8u, decode_hex_digit('8')); EXPECT_EQ(8u, decode_hex_digit('8'));
EXPECT_EQ(9u, decode_hex_digit('9')); EXPECT_EQ(9u, decode_hex_digit('9'));
EXPECT_EQ(10u, decode_hex_digit('a')); EXPECT_EQ(10u, decode_hex_digit('a'));
EXPECT_EQ(11u, decode_hex_digit('b')); EXPECT_EQ(11u, decode_hex_digit('b'));
EXPECT_EQ(12u, decode_hex_digit('c')); EXPECT_EQ(12u, decode_hex_digit('c'));
EXPECT_EQ(13u, decode_hex_digit('d')); EXPECT_EQ(13u, decode_hex_digit('d'));
EXPECT_EQ(14u, decode_hex_digit('e')); EXPECT_EQ(14u, decode_hex_digit('e'));
EXPECT_EQ(15u, decode_hex_digit('f')); EXPECT_EQ(15u, decode_hex_digit('f'));
EXPECT_EQ(10u, decode_hex_digit('A')); EXPECT_EQ(10u, decode_hex_digit('A'));
EXPECT_EQ(11u, decode_hex_digit('B')); EXPECT_EQ(11u, decode_hex_digit('B'));
EXPECT_EQ(12u, decode_hex_digit('C')); EXPECT_EQ(12u, decode_hex_digit('C'));
EXPECT_EQ(13u, decode_hex_digit('D')); EXPECT_EQ(13u, decode_hex_digit('D'));
EXPECT_EQ(14u, decode_hex_digit('E')); EXPECT_EQ(14u, decode_hex_digit('E'));
EXPECT_EQ(15u, decode_hex_digit('F')); EXPECT_EQ(15u, decode_hex_digit('F'));
} }
TEST_CASE(should_constexpr_decode_hex_digit) TEST_CASE(should_constexpr_decode_hex_digit)
{ {
static_assert(0u == decode_hex_digit('0')); static_assert(0u == decode_hex_digit('0'));
static_assert(1u == decode_hex_digit('1')); static_assert(1u == decode_hex_digit('1'));
static_assert(2u == decode_hex_digit('2')); static_assert(2u == decode_hex_digit('2'));
static_assert(3u == decode_hex_digit('3')); static_assert(3u == decode_hex_digit('3'));
static_assert(4u == decode_hex_digit('4')); static_assert(4u == decode_hex_digit('4'));
static_assert(5u == decode_hex_digit('5')); static_assert(5u == decode_hex_digit('5'));
static_assert(6u == decode_hex_digit('6')); static_assert(6u == decode_hex_digit('6'));
static_assert(7u == decode_hex_digit('7')); static_assert(7u == decode_hex_digit('7'));
static_assert(8u == decode_hex_digit('8')); static_assert(8u == decode_hex_digit('8'));
static_assert(9u == decode_hex_digit('9')); static_assert(9u == decode_hex_digit('9'));
static_assert(10u == decode_hex_digit('a')); static_assert(10u == decode_hex_digit('a'));
static_assert(11u == decode_hex_digit('b')); static_assert(11u == decode_hex_digit('b'));
static_assert(12u == decode_hex_digit('c')); static_assert(12u == decode_hex_digit('c'));
static_assert(13u == decode_hex_digit('d')); static_assert(13u == decode_hex_digit('d'));
static_assert(14u == decode_hex_digit('e')); static_assert(14u == decode_hex_digit('e'));
static_assert(15u == decode_hex_digit('f')); static_assert(15u == decode_hex_digit('f'));
static_assert(10u == decode_hex_digit('A')); static_assert(10u == decode_hex_digit('A'));
static_assert(11u == decode_hex_digit('B')); static_assert(11u == decode_hex_digit('B'));
static_assert(12u == decode_hex_digit('C')); static_assert(12u == decode_hex_digit('C'));
static_assert(13u == decode_hex_digit('D')); static_assert(13u == decode_hex_digit('D'));
static_assert(14u == decode_hex_digit('E')); static_assert(14u == decode_hex_digit('E'));
static_assert(15u == decode_hex_digit('F')); static_assert(15u == decode_hex_digit('F'));
} }
TEST_MAIN(Hex) TEST_MAIN(Hex)