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author | Alexandre Jesus <adbjesus@gmail.com> | 2016-09-16 01:16:28 +0100 |
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committer | Alexandre Jesus <adbjesus@gmail.com> | 2016-09-16 01:16:28 +0100 |
commit | 8865d83090d9820380af95bfdc121b42e60ac62f (patch) | |
tree | 68db8fc792d8af45ac4b022c6b63a61f1791f695 | |
parent | 80b7a8116d821aeae489086a403a6cdfd64d801a (diff) | |
download | libuknapsack-8865d83090d9820380af95bfdc121b42e60ac62f.tar.gz libuknapsack-8865d83090d9820380af95bfdc121b42e60ac62f.zip |
Retab to spaces
-rw-r--r-- | include/structs.h | 18 | ||||
-rw-r--r-- | src/common.c | 96 | ||||
-rw-r--r-- | src/main/dfs.c | 18 | ||||
-rw-r--r-- | src/main/nem_ull.c | 32 | ||||
-rw-r--r-- | src/nem_ull.c | 172 |
5 files changed, 168 insertions, 168 deletions
diff --git a/include/structs.h b/include/structs.h index 3b5c550..035af45 100644 --- a/include/structs.h +++ b/include/structs.h @@ -4,21 +4,21 @@ #include <time.h> struct item { - double p; - double w; + double p; + double w; }; struct data { - long int N; - struct item * items; - double allp; - double allw; + long int N; + struct item * items; + double allp; + double allw; }; struct front_item { - struct item i; - struct front_item * next; - struct front_item * prev; + struct item i; + struct front_item * next; + struct front_item * prev; clock_t time; }; #endif diff --git a/src/common.c b/src/common.c index d6f1eb3..2cfd44f 100644 --- a/src/common.c +++ b/src/common.c @@ -6,25 +6,25 @@ #include "common.h" struct data * input(char fp[]){ - int i,j; - FILE *f; - struct data * d = (struct data *)malloc(sizeof(struct data)); + int i,j; + FILE *f; + struct data * d = (struct data *)malloc(sizeof(struct data)); - f = fopen(fp,"r"); - j = fscanf(f,"%ld",&(d->N)); - if(j!=1){ - printf("Error reading data\n"); - exit(0); - } - d->items = (struct item *)malloc(d->N*sizeof(struct item)); - for(i=0;i<d->N;++i){ - j = fscanf(f,"%lf %lf",&(d->items[i].p),&(d->items[i].w)); - d->allp += d->items[i].p; - d->allw += d->items[i].w; - } + f = fopen(fp,"r"); + j = fscanf(f,"%ld",&(d->N)); + if(j!=1){ + printf("Error reading data\n"); + exit(0); + } + d->items = (struct item *)malloc(d->N*sizeof(struct item)); + for(i=0;i<d->N;++i){ + j = fscanf(f,"%lf %lf",&(d->items[i].p),&(d->items[i].w)); + d->allp += d->items[i].p; + d->allw += d->items[i].w; + } - fclose(f); - return d; + fclose(f); + return d; } int cmp_items_ratio(const void * a, const void * b){ @@ -33,60 +33,60 @@ int cmp_items_ratio(const void * a, const void * b){ if(c.p / c.w < d.p / d.w){ return 1; } - return -1; + return -1; } void print_data(struct data * d){ - int i; - printf("### PRINTING DATA - BEGINNING ###\n"); - printf("N:\t%ld\n\n",d->N); - printf("Profit\tWeight\n"); - for(i=0;i<d->N;++i){ - printf("%.02f\t%.02f\n",d->items[i].p,d->items[i].w); - } - printf("### PRINTING DATA - ENDING ###\n"); + int i; + printf("### PRINTING DATA - BEGINNING ###\n"); + printf("N:\t%ld\n\n",d->N); + printf("Profit\tWeight\n"); + for(i=0;i<d->N;++i){ + printf("%.02f\t%.02f\n",d->items[i].p,d->items[i].w); + } + printf("### PRINTING DATA - ENDING ###\n"); } void print_front(struct front_item * b){ struct front_item * beg = b; - while(b!=NULL){ + while(b!=NULL){ clock_t t = b->time - beg->time; - printf("%.02f,\t%.02f,\t%f\n", b->i.p, b->i.w, ((double)t)/CLOCKS_PER_SEC); - b = b->next; - } + printf("%.02f,\t%.02f,\t%f\n", b->i.p, b->i.w, ((double)t)/CLOCKS_PER_SEC); + b = b->next; + } } void free_data(struct data * d){ - free(d->items); - free(d); + free(d->items); + free(d); } void free_front(struct front_item * b){ - struct front_item * tmp; - for(;b!=NULL;){ - tmp = b; - b = b->next; - free(tmp); - } + struct front_item * tmp; + for(;b!=NULL;){ + tmp = b; + b = b->next; + free(tmp); + } } struct front_item * new_front_item(double p, double w, struct front_item * prev, struct front_item * next){ - struct front_item * f = (struct front_item *)malloc(sizeof(struct front_item)); - f->i.p = p; - f->i.w = w; - f->next = next; - f->prev = prev; + struct front_item * f = (struct front_item *)malloc(sizeof(struct front_item)); + f->i.p = p; + f->i.w = w; + f->next = next; + f->prev = prev; f->time = clock(); - return f; + return f; } double dist_items(struct item * a, struct item * b){ - return sqrt((a->p - b->p)*(a->p - b->p) + (a->w - b->w)*(a->w - b->w)); + return sqrt((a->p - b->p)*(a->p - b->p) + (a->w - b->w)*(a->w - b->w)); } int len_front(struct front_item * f){ - int N; - for(N=0;f!=NULL;f=f->next,N++); - return N; + int N; + for(N=0;f!=NULL;f=f->next,N++); + return N; } diff --git a/src/main/dfs.c b/src/main/dfs.c index 36faa25..ca796c5 100644 --- a/src/main/dfs.c +++ b/src/main/dfs.c @@ -5,23 +5,23 @@ #include "dfs.h" int main(int argc, char * argv[]){ - struct data * d; + struct data * d; struct front_item * b; - if(argc!=2){ - printf("Wrong number of arguments!\n"); - printf("Example usage: %s data_file\n",argv[0]); - return 0; - } + if(argc!=2){ + printf("Wrong number of arguments!\n"); + printf("Example usage: %s data_file\n",argv[0]); + return 0; + } - d = input(argv[1]); + d = input(argv[1]); clock_t t = clock(); b = dfs(d); t = clock() - t; - printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(b)); - + printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(b)); + print_front(b); free_front(b); diff --git a/src/main/nem_ull.c b/src/main/nem_ull.c index b267422..2bf29a6 100644 --- a/src/main/nem_ull.c +++ b/src/main/nem_ull.c @@ -5,27 +5,27 @@ #include "nem_ull.h" int main(int argc, char * argv[]){ - struct data * d; - struct front_item * b; + struct data * d; + struct front_item * b; - if(argc!=2){ - printf("Wrong number of arguments!\n"); - printf("Example usage: %s data_file\n",argv[0]); - return 0; - } + if(argc!=2){ + printf("Wrong number of arguments!\n"); + printf("Example usage: %s data_file\n",argv[0]); + return 0; + } - d = input(argv[1]); - + d = input(argv[1]); + clock_t t = clock(); - b = nem_ull(d); + b = nem_ull(d); - t = clock() - t; - printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(b)); + t = clock() - t; + printf("%f,%d\n",((float)t)/CLOCKS_PER_SEC,len_front(b)); - print_front(b); + print_front(b); - free_front(b); - free_data(d); + free_front(b); + free_data(d); - return 0; + return 0; } diff --git a/src/nem_ull.c b/src/nem_ull.c index 9a6b328..f08506b 100644 --- a/src/nem_ull.c +++ b/src/nem_ull.c @@ -4,96 +4,96 @@ #include "common.h" struct front_item * nem_ull(struct data * d){ - struct front_item * begin; - int i; + struct front_item * begin; + int i; - begin = new_front_item(0,0,NULL,NULL); + begin = new_front_item(0,0,NULL,NULL); - for(i=0;i<d->N;++i){ - begin = nem_ull_step(begin,d,i); - } + for(i=0;i<d->N;++i){ + begin = nem_ull_step(begin,d,i); + } - return begin; + return begin; } struct front_item * nem_ull_step(struct front_item * b, struct data * d, int it){ - unsigned long int i,l0t,l1t,n; - double pmax; - struct item * l0; - struct item * l1; - struct front_item * p = b; - - for(n=0;p!=NULL;p=p->next,++n); - p = b; - - l0 = (struct item *)malloc(n*sizeof(struct item)); - l1 = (struct item *)malloc(n*sizeof(struct item)); - - for(i=0;i<n;++i){ - l0[i].p=p->i.p; - l0[i].w=p->i.w; - - l1[i].p=p->i.p + d->items[it].p; - l1[i].w=p->i.w + d->items[it].w; - - b = p; - p = p->next; - free(b); - } - - pmax = -1; - l0t = 0; - l1t = 0; - p = new_front_item(0,0,NULL,NULL); - - while(1){ - for(;l0t<n;++l0t){ - if(l0[l0t].p > pmax){ - break; - } - } - - for(;l1t<n;++l1t){ - if(l1[l1t].p > pmax){ - break; - } - } - - if(l0t == n){ - for(;l1t<n;++l1t){ - p = new_front_item(l1[l1t].p, l1[l1t].w, p, NULL); - p->prev->next = p; - } - break; - } - - if(l1t == n){ - for(;l0t<n;++l0t){ - p = new_front_item(l0[l0t].p, l0[l0t].w, p, NULL); - p->prev->next = p; - } - break; - } - - if((l0[l0t].w < l1[l1t].w) || ((l0[l0t].w == l1[l1t].w) && (l0[l0t].p > l1[l1t].p))){ - p = new_front_item(l0[l0t].p, l0[l0t].w , p, NULL); - p->prev->next = p; - pmax = l0[l0t].p; - ++l0t; - } else { - p = new_front_item(l1[l1t].p, l1[l1t].w , p, NULL); - p->prev->next = p; - pmax = l1[l1t].p; - ++l1t; - } - } - - free(l0); - free(l1); - - for(;p->prev!=NULL;p=p->prev); - p=p->next; - free(p->prev); - p->prev=NULL; - return p; + unsigned long int i,l0t,l1t,n; + double pmax; + struct item * l0; + struct item * l1; + struct front_item * p = b; + + for(n=0;p!=NULL;p=p->next,++n); + p = b; + + l0 = (struct item *)malloc(n*sizeof(struct item)); + l1 = (struct item *)malloc(n*sizeof(struct item)); + + for(i=0;i<n;++i){ + l0[i].p=p->i.p; + l0[i].w=p->i.w; + + l1[i].p=p->i.p + d->items[it].p; + l1[i].w=p->i.w + d->items[it].w; + + b = p; + p = p->next; + free(b); + } + + pmax = -1; + l0t = 0; + l1t = 0; + p = new_front_item(0,0,NULL,NULL); + + while(1){ + for(;l0t<n;++l0t){ + if(l0[l0t].p > pmax){ + break; + } + } + + for(;l1t<n;++l1t){ + if(l1[l1t].p > pmax){ + break; + } + } + + if(l0t == n){ + for(;l1t<n;++l1t){ + p = new_front_item(l1[l1t].p, l1[l1t].w, p, NULL); + p->prev->next = p; + } + break; + } + + if(l1t == n){ + for(;l0t<n;++l0t){ + p = new_front_item(l0[l0t].p, l0[l0t].w, p, NULL); + p->prev->next = p; + } + break; + } + + if((l0[l0t].w < l1[l1t].w) || ((l0[l0t].w == l1[l1t].w) && (l0[l0t].p > l1[l1t].p))){ + p = new_front_item(l0[l0t].p, l0[l0t].w , p, NULL); + p->prev->next = p; + pmax = l0[l0t].p; + ++l0t; + } else { + p = new_front_item(l1[l1t].p, l1[l1t].w , p, NULL); + p->prev->next = p; + pmax = l1[l1t].p; + ++l1t; + } + } + + free(l0); + free(l1); + + for(;p->prev!=NULL;p=p->prev); + p=p->next; + free(p->prev); + p->prev=NULL; + return p; } |