nvdiffmodeling/src/renderutils/c_src/vec4f.h

// Copyright (c) 2020-2021, NVIDIA CORPORATION. All rights reserved.
//
// NVIDIA CORPORATION and its licensors retain all intellectual property
// and proprietary rights in and to this software, related documentation
// and any modifications thereto. Any use, reproduction, disclosure or
// distribution of this software and related documentation without an express
// license agreement from NVIDIA CORPORATION is strictly prohibited.

#pragma once 

struct vec4f
{
    float x, y, z, w;

#ifdef __CUDACC__
    __device__ vec4f() { }
    __device__ vec4f(float v) { x = v; y = v; z = v; w = v; }
    __device__ vec4f(float _x, float _y, float _z, float _w) { x = _x; y = _y; z = _z; w = _w; }
    __device__ vec4f(float4 v) { x = v.x; y = v.y; z = v.z; w = v.w; }
#endif
};