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1.9.1
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AXOM
Axom provides a robust, flexible software infrastructure for the development of multi-physics applications and computational tools.
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Header file containing utility functions. More...
#include "axom/config.hpp"#include "axom/core/Types.hpp"#include "axom/core/Macros.hpp"#include <cassert>#include <cmath>#include <random>#include <type_traits>Classes | |
| class | axom::utilities::LexiComparator< T > |
| Compares std::vector< T > in lexicographic order. More... | |
Namespaces | |
| axom | |
| axom::utilities | |
Functions | |
| void | axom::utilities::processAbort () |
| Gracefully aborts the application. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::abs (const T &x) |
| Returns the absolute value of x. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::floor (const T &x) |
| Returns the largest integer less than or equal to x. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::ceil (const T &x) |
| Returns the smallest integer greater than or equal to x. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE const T & | axom::utilities::max (const T &x, const T &y) |
| Returns the max value of x and y. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE const T & | axom::utilities::min (const T &x, const T &y) |
| Returns the min value of x and y. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE void | axom::utilities::swap (T &a, T &b) |
| Swaps the values of a, b. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::fma (const T &a, const T &b, const T &c) |
| Returns the fused-multiply-add of a, b, and c. More... | |
| template<typename T > | |
| T | axom::utilities::log2 (T val) |
| Returns the base 2 logarithm of the input. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::lerp (T v0, T v1, T t) |
| Linearly interpolates between two values. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::clampVal (T val, T lower, T upper) |
| Clamps an input value to a given range. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::clampUpper (T val, T upper) |
| Clamps the upper range on an input value. More... | |
| template<typename T > | |
| AXOM_HOST_DEVICE T | axom::utilities::clampLower (T val, T lower) |
| Clamps the lower range on an input value. More... | |
| template<typename T > | |
| constexpr AXOM_HOST_DEVICE bool | axom::utilities::inBounds_0_N (T value, T upper) |
| Determine whether a value is in [0,upper). More... | |
| int | axom::utilities::binomialCoefficient (int n, int k) |
Computes the binomial coefficient n choose k More... | |
| template<typename T > | |
| T | axom::utilities::random_real (const T &a, const T &b) |
| Returns a random real number within the specified interval. More... | |
| template<typename T > | |
| T | axom::utilities::random_real (const T &a, const T &b, unsigned int seed) |
| Returns a random real number within the specified interval given the bounds of the interval and a seed value for the underlying random number generator. More... | |
| bool | axom::utilities::isLittleEndian () |
| Tests the endianness of the system. More... | |
| template<typename T > | |
| constexpr T | axom::utilities::byteswap (T val) noexcept |
| Reverses the bytes of the input value. More... | |
| template<typename RealType > | |
| AXOM_HOST_DEVICE bool | axom::utilities::isNearlyEqual (RealType a, RealType b, RealType thresh=1.0e-8) |
| Fuzzy comparison of two real valued quantities. More... | |
| template<typename RealType > | |
| AXOM_HOST_DEVICE bool | axom::utilities::isNearlyEqualRelative (RealType a, RealType b, RealType relThresh=1.0e-6, RealType absThresh=1.0e-8) |
| Fuzzy comparison of two real valued quantities. More... | |
| template<typename T > | |
| int | axom::utilities::sign_of (const T &v, const T &eps={0}) |
| Sign of a value of any type that supports comparison and negation operators. More... | |
| template<typename DataType , typename Predicate = std::less<DataType>> | |
| AXOM_SUPPRESS_HD_WARN AXOM_HOST_DEVICE void | axom::utilities::insertionSort (DataType *array, IndexType n, Predicate cmp={}) |
| Insertion sort of an array. More... | |
| template<typename ContainerT , typename T > | |
| AXOM_HOST_DEVICE std::int32_t | axom::utilities::binary_search (const ContainerT &cont, T value) |
| Use binary search to find the index of the value in the supplied sorted container. More... | |
| AXOM_HOST_DEVICE std::uint64_t | axom::utilities::hash_bytes (const std::uint8_t *data, std::uint32_t length) |
| Hash a stream of bytes into a uint64_t hash value. More... | |
Header file containing utility functions.
1.9.1