OptiDiv< _impl > Struct Template Reference

#include <KoStreamedMath.h>

Public Types
using	float_v = xsimd::batch<float, _impl>

Static Public Member Functions
static ALWAYS_INLINE float	divScalar (const float &divident, const float &divisor)
static ALWAYS_INLINE float_v	divVector (const float_v &divident, const float_v &divisor)

Detailed Description

template<typename _impl>
struct OptiDiv< _impl >

Definition at line 120 of file KoStreamedMath.h.

Member Typedef Documentation

float_v

template<typename _impl >

using OptiDiv< _impl >::float_v = xsimd::batch<float, _impl>

Definition at line 121 of file KoStreamedMath.h.

Member Function Documentation

divScalar()

template<typename _impl >

static ALWAYS_INLINE float OptiDiv< _impl >::divScalar ( const float & divident, const float & divisor )

inlinestatic

Definition at line 123 of file KoStreamedMath.h.

    {
#ifdef __SSE__
        float result = NAN;
 
        __m128 x = _mm_set_ss(divisor);
        __m128 y = _mm_set_ss(divident);
        x = _mm_rcp_ss(x);
        x = _mm_mul_ss(x, y);
 
        _mm_store_ss(&result, x);
        return result;
#elif defined __ARM_NEON
        auto x = vdupq_n_f32(divisor);
        auto y = vdupq_n_f32(divident);
        x = vrecpeq_f32(x);
        x = vmulq_f32(x, y);
 
        return vgetq_lane_f32(x, 0);
#else
        return (1.f / divisor) * divident;
#endif
    }

divVector()

template<typename _impl >

static ALWAYS_INLINE float_v OptiDiv< _impl >::divVector ( const float_v & divident, const float_v & divisor )

inlinestatic

Definition at line 147 of file KoStreamedMath.h.

    {
        return divident * xsimd::reciprocal(divisor);
    }

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

• libs/pigment/compositeops/KoStreamedMath.h