intirnsicstest

vec3d.cpp

// ConsoleApplication4.cpp : This file contains the 'main' function. Program execution begins and ends there.
//

#include "pch.h"
#include <intrin.h>
#include <iostream>

class Vec3D
{
	float x;
	float y;
	float z;
	float w;

public:

	Vec3D() : x(0.0f), y(0.0f), z(0.0f), w(0.0f) {}
	Vec3D(float X, float Y, float Z, float W) : x(X), y(Y), z(Z), w(W) {}
	Vec3D(const volatile Vec3D& ref)
	{
		x = ref.x;
		y = ref.y;
		z = ref.z;
	}
	
	Vec3D operator=(const Vec3D& ref)
	{
		return ref;
	}

	Vec3D& operator* (const Vec3D& ref)
	{
		__m128 vec1 = _mm_set_ps(ref.x, ref.y, ref.z, ref.w);
		__m128 vec2 = _mm_set_ps(x, y, z, w);

		__m128 result = _mm_mul_ps(vec1, vec2);
		x = result.m128_f32[0];
		y = result.m128_f32[1];
		z = result.m128_f32[2];
		w = result.m128_f32[3];
		return *this; 
	}


	virtual ~Vec3D() {};

	void print(void)
	{
		std::cout << x << ":" << y << ":" << z << ":" << w << "\r\n";
	}

};


int main()
{
	Vec3D v1(1.0, 2.0, 3.0, 0.0);
	Vec3D v2(3.0, 2.0, 1.0, 0.0);

	v1 = v1 * v2;
	v1.print();


}

// Run program: Ctrl + F5 or Debug > Start Without Debugging menu
// Debug program: F5 or Debug > Start Debugging menu

// Tips for Getting Started: 
//   1. Use the Solution Explorer window to add/manage files
//   2. Use the Team Explorer window to connect to source control
//   3. Use the Output window to see build output and other messages
//   4. Use the Error List window to view errors
//   5. Go to Project > Add New Item to create new code files, or Project > Add Existing Item to add existing code files to the project
//   6. In the future, to open this project again, go to File > Open > Project and select the .sln file


#if 0

__m256 result_vec[TEST_SIZE] = { 0 };
__m256* arr1 = new __m256[TEST_SIZE];
__m256* arr2 = new __m256[TEST_SIZE];
__m256* arr3 = new __m256[TEST_SIZE];



for (int i = 0; i < TEST_SIZE; ++i)
{
	result_vec[i] = multiply_and_add(arr1[i], arr2[i], arr3[i]);
}

float* res = (float*)&result_vec;
for (int i = 0; i < TEST_SIZE; ++i)
{
	std::cout << res[i] << "\r\n";
}

#endif