137 lines
3.6 KiB
C++
137 lines
3.6 KiB
C++
#pragma once
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#include <cstdint> //uint64_t
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#include <stdexcept> // std::runtime_error
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#include "utils/vector.h"
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#include "utils/matrix.h"
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namespace numerics::detail{
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// ------------- Helper Functions -----------
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template <typename T>
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inline T clip_low_value(T x, const T low) {
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if (x < low) {
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return low;
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}
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return x;
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}
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template <typename T>
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inline T clip_high_value(T x, const T high) {
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if (x > high) {
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return high;
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}
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return x;
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}
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template <typename T>
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inline T clip_value(T x, const T low, const T high) {
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if (x < low) {
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return low;
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}
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if (x > high) {
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return high;
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}
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return x;
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}
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//---------------------------------------------
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// ----------------- Clip ---------------
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//---------------------------------------------
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// ---------------- Elemenwise ----------------
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template <typename T>
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inline void inplace_clip_scalar_serial(T& c, const T low, const T high) {
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if (low > high) {
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throw std::runtime_error("inplace_clip_scalar_serial: lower clip > higher clip");
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}
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c = detail::clip_value(c, low, high);
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}
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template <typename T>
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inline void inplace_clip_elementwise_serial(utils::Matrix<T>& A, const T low, const T high) {
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if (low > high) {
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throw std::runtime_error("inplace_clip_elementwise_serial: lower clip > higher clip");
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}
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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for (uint64_t i = 0; i < rows; ++i){
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for (uint64_t j = 0; j < cols; ++j){
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A(i,j) = detail::clip_value(A(i,j), low, high);
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}
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}
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}
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template <typename T>
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inline void inplace_clip_elementwise_serial(utils::Vector<T>& v, const T low, const T high) {
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if (low > high) {
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throw std::runtime_error("inplace_clip_elementwise_serial: lower clip > higher clip");
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}
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for (uint64_t i = 0; i < v.size(); ++i){
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v[i] = detail::clip_value(v[i], low, high);
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}
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}
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//---------------------------------------------
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// ----------------- Clip Low ---------------
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//---------------------------------------------
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// ---------------- Elemenwise ----------------
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template <typename T>
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inline void inplace_clip_low_scalar_serial(T& c, const T low) {
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c = detail::clip_low_value(c, low);
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}
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template <typename T>
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inline void inplace_clip_low_elementwise_serial(utils::Matrix<T>& A, const T low) {
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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for (uint64_t i = 0; i < rows; ++i){
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for (uint64_t j = 0; j < cols; ++j){
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A(i,j) = detail::clip_low_value(A(i,j), low);
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}
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}
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}
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template <typename T>
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inline void inplace_clip_low_elementwise_serial(utils::Vector<T>& v, const T low) {
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for (uint64_t i = 0; i < v.size(); ++i){
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v[i] = detail::clip_low_value(v[i], low);
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}
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}
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//---------------------------------------------
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// ----------------- Clip High ---------------
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//---------------------------------------------
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// ---------------- Elemenwise ----------------
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template <typename T>
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inline void inplace_clip_high_scalar_serial(T& c, const T high) {
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c = detail::clip_high_value(c, high);
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}
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template <typename T>
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inline void inplace_clip_high_elementwise_serial(utils::Matrix<T>& A, const T high) {
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const uint64_t rows = A.rows();
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const uint64_t cols = A.cols();
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for (uint64_t i = 0; i < rows; ++i){
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for (uint64_t j = 0; j < cols; ++j){
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A(i,j) = detail::clip_high_value(A(i,j), high);
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}
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}
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}
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template <typename T>
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inline void inplace_clip_high_elementwise_serial(utils::Vector<T>& v, const T high) {
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for (uint64_t i = 0; i < v.size(); ++i){
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v[i] = detail::clip_high_value(v[i], high);
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}
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}
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} // namespace numerics
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