types_float8.h

Go to the documentation of this file.

/* SPDX-FileCopyrightText: 2017 Intel Corporation
 * SPDX-FileCopyrightText: 2018-2022 Blender Foundation
 *
 * SPDX-License-Identifier: BSD-3-Clause
 *
 * Originally by Intel Corporation, modified by the Blender Foundation. */
 
#pragma once
 
#ifndef __UTIL_TYPES_H__
#  error "Do not include this file directly, include util/types.h instead."
#endif
 
CCL_NAMESPACE_BEGIN
 
/* float8 is a reserved type in Metal that has not been implemented. For
 * that reason this is named vfloat8 and not using native vector types. */
 
#ifdef __KERNEL_GPU__
struct vfloat8
#else
struct ccl_try_align(32) vfloat8
#endif
{
#ifdef __KERNEL_AVX__
  union {
    __m256 m256;
    struct {
      float a, b, c, d, e, f, g, h;
    };
  };
 
  __forceinline vfloat8();
  __forceinline vfloat8(const vfloat8 &a);
  __forceinline explicit vfloat8(const __m256 &a);
 
  __forceinline operator const __m256 &() const;
  __forceinline operator __m256 &();
 
  __forceinline vfloat8 &operator=(const vfloat8 &a);
 
#else  /* __KERNEL_AVX__ */
  float a, b, c, d, e, f, g, h;
#endif /* __KERNEL_AVX__ */
 
#ifndef __KERNEL_GPU__
  __forceinline float operator[](int i) const;
  __forceinline float &operator[](int i);
#endif
};
 
ccl_device_inline vfloat8 make_vfloat8(float f);
ccl_device_inline vfloat8
make_vfloat8(float a, float b, float c, float d, float e, float f, float g, float h);
ccl_device_inline vfloat8 make_vfloat8(const float4 a, const float4 b);
 
ccl_device_inline void print_vfloat8(ccl_private const char *label, const vfloat8 a);
 
CCL_NAMESPACE_END