Constexpr integer math, such as division that refuses to compile if the division has a remainder.
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| template<typename T , typename Q > |
| constexpr auto | sp::divRoundUp (T x, Q y) |
| | Divide x by y, rounding up. More...
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| template<typename T , typename Q > |
| constexpr auto | sp::roundUp (T x, Q to) |
| | Round x up to the next multiple of to More...
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| template<typename T , typename Q > |
| constexpr auto | sp::roundDown (T x, Q to) |
| | Round x down to the next multiple of to More...
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| template<typename T > |
| constexpr auto | sp::nextPowerOfTwo (T x) |
| | Get the next power of two >= x. More...
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| constexpr int | sp::intSqrt (int n) |
| | Compile-time integer square root, hilariously. More...
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| template<int X, int Y> |
| constexpr int | sp::divExact () |
| | Compile-time pedantic divide. More...
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| template<typename IntT > |
| constexpr int | sp::log2 (IntT x) |
| | Log base 2. More...
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| template<typename T > |
| constexpr T | sp::gcd (T a, T b) |
| | Greatest common divisor, evaluated at compile-time. More...
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template<typename T > |
| constexpr T | sp::lcm (T a, T b) |
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Constexpr integer math, such as division that refuses to compile if the division has a remainder.
◆ divExact()
template<int X, int Y>
| constexpr int sp::divExact |
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constexpr |
Compile-time pedantic divide.
◆ divRoundUp()
template<typename T , typename Q >
| constexpr auto sp::divRoundUp |
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T |
x, |
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Q |
y |
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) |
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constexpr |
Divide x by y, rounding up.
◆ gcd()
template<typename T >
| constexpr T sp::gcd |
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T |
a, |
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T |
b |
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) |
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constexpr |
Greatest common divisor, evaluated at compile-time.
◆ intSqrt()
| constexpr int sp::intSqrt |
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int |
n | ) |
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constexpr |
Compile-time integer square root, hilariously.
◆ log2()
template<typename IntT >
| constexpr int sp::log2 |
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IntT |
x | ) |
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constexpr |
◆ nextPowerOfTwo()
template<typename T >
| constexpr auto sp::nextPowerOfTwo |
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T |
x | ) |
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constexpr |
Get the next power of two >= x.
◆ roundDown()
template<typename T , typename Q >
| constexpr auto sp::roundDown |
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T |
x, |
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Q |
to |
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) |
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constexpr |
Round x down to the next multiple of to
◆ roundUp()
template<typename T , typename Q >
| constexpr auto sp::roundUp |
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T |
x, |
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Q |
to |
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) |
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constexpr |
Round x up to the next multiple of to
