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Gromacs
2019
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Gromacs
2019
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#include <cmath>#include <cstdint>#include "gromacs/utility/gmxassert.h"#include "gromacs/utility/real.h"
Include dependency graph for functions.h: This graph shows which files directly or indirectly include this file:Declares simple math functions.
Classes | |
| struct | gmx::StaticLog2< n > |
| Evaluate log2(n) for integer n statically at compile time. More... | |
| struct | gmx::StaticLog2< 1 > |
| Specialization of StaticLog2<n> for n==1. More... | |
| struct | gmx::StaticLog2< 0 > |
| Specialization of StaticLog2<n> for n==0. More... | |
Functions | |
| unsigned int | gmx::log2I (std::int32_t x) |
| Compute floor of logarithm to base 2, 32 bit signed argument. More... | |
| unsigned int | gmx::log2I (std::int64_t x) |
| Compute floor of logarithm to base 2, 64 bit signed argument. More... | |
| unsigned int | gmx::log2I (std::uint32_t x) |
| Compute floor of logarithm to base 2, 32 bit unsigned argument. More... | |
| unsigned int | gmx::log2I (std::uint64_t x) |
| Compute floor of logarithm to base 2, 64 bit unsigned argument. More... | |
| std::int64_t | gmx::greatestCommonDivisor (std::int64_t p, std::int64_t q) |
| Find greatest common divisor of two numbers. More... | |
| static float | gmx::invsqrt (float x) |
| Calculate 1.0/sqrt(x) in single precision. More... | |
| static double | gmx::invsqrt (double x) |
| Calculate 1.0/sqrt(x) in double precision, but single range. More... | |
| static double | gmx::invsqrt (int x) |
| Calculate 1.0/sqrt(x) for integer x in double precision. More... | |
| static float | gmx::invcbrt (float x) |
| Calculate inverse cube root of x in single precision. More... | |
| static double | gmx::invcbrt (double x) |
| Calculate inverse sixth root of x in double precision. More... | |
| static double | gmx::invcbrt (int x) |
| Calculate inverse sixth root of integer x in double precision. More... | |
| static float | gmx::sixthroot (float x) |
| Calculate sixth root of x in single precision. More... | |
| static double | gmx::sixthroot (double x) |
| Calculate sixth root of x in double precision. More... | |
| static double | gmx::sixthroot (int x) |
| Calculate sixth root of integer x, return double. More... | |
| static float | gmx::invsixthroot (float x) |
| Calculate inverse sixth root of x in single precision. More... | |
| static double | gmx::invsixthroot (double x) |
| Calculate inverse sixth root of x in double precision. More... | |
| static double | gmx::invsixthroot (int x) |
| Calculate inverse sixth root of integer x in double precision. More... | |
| template<typename T > | |
| T | gmx::square (T x) |
| calculate x^2 More... | |
| template<typename T > | |
| T | gmx::power3 (T x) |
| calculate x^3 More... | |
| template<typename T > | |
| T | gmx::power4 (T x) |
| calculate x^4 More... | |
| template<typename T > | |
| T | gmx::power5 (T x) |
| calculate x^5 More... | |
| template<typename T > | |
| T | gmx::power6 (T x) |
| calculate x^6 More... | |
| template<typename T > | |
| T | gmx::power12 (T x) |
| calculate x^12 More... | |
| static real | gmx::series_sinhx (real x) |
| Maclaurin series for sinh(x)/x. More... | |
| double | gmx::erfinv (double x) |
| Inverse error function, double precision. More... | |
| float | gmx::erfinv (float x) |
| Inverse error function, single precision. More... | |
| constexpr int32_t | gmx::exactDiv (int32_t a, int32_t b) |
| Exact integer division, 32bit. More... | |
| constexpr int64_t | gmx::exactDiv (int64_t a, int64_t b) |
| Exact integer division, 64bit. | |
| static int | gmx::roundToInt (float x) |
| Round float to int. More... | |
| static int | gmx::roundToInt (double x) |
| Round double to int. | |
| static int64_t | gmx::roundToInt64 (float x) |
| Round float to int64_t. | |
| static int64_t | gmx::roundToInt64 (double x) |
| Round double to int64_t. | |
1.8.5