/********************************************************
?*?Kernels?to?be?optimized?for?the?CS:APP?Performance?Lab
?********************************************************/

#include?
#include?
#include?“defs.h“

/*?
?*?Please?fill?in?the?following?team?struct?
?*/
team_t?team?=?{
????“5120379091“??????????????/*?Student?ID?*/

????“Gao?Ce“???????????/*?Your?Name?*/
????“gaoce270863799@se.sjtu.edu.cn“??/*?First?member?email?address?*/

????““???????????????????/*?Second?member?full?name?（leave?blank?if?none）?*/
????““????????????????????/*?Second?member?email?addr?（leave?blank?if?none）?*/
};

/***************
?*?ROTATE?KERNEL
?***************/

/******************************************************
?*?Your?different?versions?of?the?rotate?kernel?go?here
?******************************************************/
/*
?*Add?the?description?of?your?Rotate?implementation?here!!!
?*1.?Brief?Intro?of?method
?*2.?CPE?Achieved
?*3.?other?words
?*/

/*?
?*?naive_rotate?-?The?naive?baseline?version?of?rotate?
?*/
char?naive_rotate_descr[]?=?“naive_rotate:?Naive?baseline?implementation“;
void?naive_rotate（int?dim?pixel?*src?pixel?*dst）?
{
????int?i?j;

????for?（i?=?0;?i?????for?（j?=?0;?j?????????dst[RIDX（dim-1-j?i?dim）]?=?src[RIDX（i?j?dim）];
}

/*?
?*?rotate?-?Your?current?working?version?of?rotate
?*?IMPORTANT:?This?is?the?version?you?will?be?graded?on
?*/
char?rotate_descr[]?=?“rotate:?Current?working?version“;
void?rotate（int?dim?pixel?*src?pixel?*dst）
{
????int?i?j;
????dst?+=?（dim-1）*dim;
????for?（i?=?0;?i?????????????for?（j?=?0;?j?????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
????????????????src+=dim;
????????????????dst+=1;

????????????????*dst=*src;
?????????