kcenon::container::simd::scalar_simd_policy Struct Reference

Scalar (non-SIMD) implementation of operations. More...

#include <simd_policies.h>

Collaboration diagram for kcenon::container::simd::scalar_simd_policy:

Public Member Functions
float	sum_floats (const float *data, size_t count) const noexcept
float	min_float (const float *data, size_t count) const noexcept
float	max_float (const float *data, size_t count) const noexcept
double	sum_doubles (const double *data, size_t count) const noexcept

Static Public Member Functions
static constexpr std::string_view	name () noexcept

Static Public Attributes
static constexpr size_t	simd_width = 1

Detailed Description

Scalar (non-SIMD) implementation of operations.

Used as fallback when no SIMD instructions are available, or for testing/comparison purposes.

Definition at line 109 of file simd_policies.h.

Member Function Documentation

max_float()

float kcenon::container::simd::scalar_simd_policy::max_float ( const float * data, size_t count ) const

inlinenodiscardnoexcept

Definition at line 132 of file simd_policies.h.

                                                                                  {
        if (count == 0) return std::numeric_limits<float>::lowest();
        float max_val = data[0];
        for (size_t i = 1; i < count; ++i) {
            if (data[i] > max_val) {
                max_val = data[i];
            }
        }
        return max_val;
    }

min_float()

float kcenon::container::simd::scalar_simd_policy::min_float ( const float * data, size_t count ) const

inlinenodiscardnoexcept

Definition at line 121 of file simd_policies.h.

                                                                                  {
        if (count == 0) return std::numeric_limits<float>::max();
        float min_val = data[0];
        for (size_t i = 1; i < count; ++i) {
            if (data[i] < min_val) {
                min_val = data[i];
            }
        }
        return min_val;
    }

name()

static constexpr std::string_view kcenon::container::simd::scalar_simd_policy::name ( )

inlinestaticconstexprnoexcept

Definition at line 110 of file simd_policies.h.

{ return "scalar"; }

sum_doubles()

double kcenon::container::simd::scalar_simd_policy::sum_doubles ( const double * data, size_t count ) const

inlinenodiscardnoexcept

Definition at line 143 of file simd_policies.h.

                                                                                      {
        double sum = 0.0;
        for (size_t i = 0; i < count; ++i) {
            sum += data[i];
        }
        return sum;
    }

sum_floats()

float kcenon::container::simd::scalar_simd_policy::sum_floats ( const float * data, size_t count ) const

inlinenodiscardnoexcept

Definition at line 113 of file simd_policies.h.

                                                                                   {
        float sum = 0.0f;
        for (size_t i = 0; i < count; ++i) {
            sum += data[i];
        }
        return sum;
    }

Member Data Documentation

simd_width

size_t kcenon::container::simd::scalar_simd_policy::simd_width = 1

staticconstexpr

Definition at line 111 of file simd_policies.h.

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The documentation for this struct was generated from the following file:

• internal/simd_policies.h