void display(void)
{
static std::vector<float> tex(Mapsize*Mapsize*3);
const float texture_mul = 2.0;
const std::unique_ptr<std::unique_ptr<double[]>[] >& rd_v = rd.get_v_ref();
for(int i = 0; i < Mapsize; i++){
for(int j = 0; j < Mapsize; j++){
const float fcolor = static_cast<float>(std::min(texture_mul*(rd_v[i][j]), 1.0));
tex[(i*Mapsize+j)*3] = 0.0;
tex[(i*Mapsize+j)*3+1] = fcolor;
tex[(i*Mapsize+j)*3+2] = fcolor;
}
}
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, Mapsize, Mapsize, 0, GL_RGB, GL_FLOAT, &(tex[0]));
glClear(GL_COLOR_BUFFER_BIT);
glLoadIdentity();
glColor3f(1.0,1.0,1.0);
glBegin(GL_POLYGON);
glTexCoord2f(0,0);glVertex2f(-1.0f, 1.0f);
glTexCoord2f(1,0);glVertex2f(-1.0f, -1.0f);
glTexCoord2f(1,1);glVertex2f(1.0f, -1.0f);
glTexCoord2f(0,1);glVertex2f(1.0f, 1.0f);
glEnd();
display_params();
glutSwapBuffers();
}
int main(int ac, char **av)
{
t_fract e;
if (ac == 2 && (e.fract = check_fract(av[1])))
{
var_init(&e);
e.mlx = mlx_init();
e.win = mlx_new_window(e.mlx, WIDTH, HEIGHT, "fractol");
mlx_expose_hook(e.win, draw, &e);
mlx_mouse_hook(e.win, zoom, &e);
mlx_key_hook(e.win, key, &e);
mlx_hook(e.win, 6, (1L << 6), mouse, &e);
mlx_loop(e.mlx);
}
else
display_params();
return (0);
}
// -----------------------------------------------------------------------------
int QALSH::read_para_file( // read "para" file
char* fname) // file name of "para" file
{
FILE* fp = NULL;
fp = fopen(fname, "r");
if (!fp) { // ensure we can open the file
printf("QALSH::read_para_file could not open %s.\n", fname);
return 1;
}
fscanf(fp, "n = %d\n", &n_pts_);// read <n_pts_>
fscanf(fp, "d = %d\n", &dim_); // read <dim_>
fscanf(fp, "B = %d\n", &B_); // read <B_>
// read <appr_ratio_>
fscanf(fp, "ratio = %f\n", &appr_ratio_);
fscanf(fp, "w = %f\n", &w_); // read <w_>
fscanf(fp, "p1 = %f\n", &p1_); // read <p1_>
fscanf(fp, "p2 = %f\n", &p2_); // read <p2_>
// read <alpha_>
fscanf(fp, "alpha = %f\n", &alpha_);
// read <beta_>
fscanf(fp, "beta = %f\n", &beta_);
// read <delta_>
fscanf(fp, "delta = %f\n", &delta_);
fscanf(fp, "m = %d\n", &m_); // read <m_>
fscanf(fp, "l = %d\n", &l_); // read <l_>
a_array_ = new float[m_ * dim_];// read <a_array_>
g_memory += SIZEFLOAT * m_ * dim_;
int count = 0;
for (int i = 0; i < m_; i++) {
for (int j = 0; j < dim_; j++) {
fscanf(fp, "%f", &a_array_[count++]);
}
fscanf(fp, "\n");
}
if (fp) fclose(fp); // close para file
display_params(); // display params
return 0; // success to return
}
static int
checkparams(size_t maxmem, double maxmemfrac, double maxtime,
int logN, uint32_t r, uint32_t p, int verbose)
{
size_t memlimit;
double opps;
double opslimit;
uint64_t N;
int rc;
/* Figure out the maximum amount of memory we can use. */
if (memtouse(maxmem, maxmemfrac, &memlimit))
return (1);
/* Figure out how fast the CPU is. */
if ((rc = scryptenc_cpuperf(&opps)) != 0)
return (rc);
opslimit = opps * maxtime;
/* Sanity-check values. */
if ((logN < 1) || (logN > 63))
return (7);
if ((uint64_t)(r) * (uint64_t)(p) >= 0x40000000)
return (7);
/* Check limits. */
N = (uint64_t)(1) << logN;
if ((memlimit / N) / r < 128)
return (9);
if ((opslimit / N) / (r * p) < 4)
return (10);
if (verbose)
display_params(logN, r, p, memlimit, opps, maxtime);
/* Success! */
return (0);
}
// -----------------------------------------------------------------------------
void QALSH::init( // init params of qalsh
int n, // number of points
int d, // dimension of space
int B, // page size
float ratio, int N, // approximation ratio
char* output_folder) // folder of info of qalsh
{
n_pts_ = n; // init <n_pts_>
dim_ = d; // init <dim_>
B_ = B; // init <B_>
appr_ratio_ = ratio; // init <appr_ratio_>
N_ = N;
// init <index_path_>
strcpy(index_path_, output_folder);
strcat(index_path_, "L2_indices/");
// init <w_> <delta_> <beta_> <p1_>
calc_params(); // <p2_> <alpha_> <m_> and <l_>
gen_hash_func(); // init <a_array_>
display_params(); // display params
trees_ = NULL; // init <trees_>
}
static int
pickparams(size_t maxmem, double maxmemfrac, double maxtime,
int * logN, uint32_t * r, uint32_t * p, int verbose)
{
size_t memlimit;
double opps;
double opslimit;
double maxN, maxrp;
int rc;
/* Figure out how much memory to use. */
if (memtouse(maxmem, maxmemfrac, &memlimit))
return (1);
/* Figure out how fast the CPU is. */
if ((rc = scryptenc_cpuperf(&opps)) != 0)
return (rc);
opslimit = opps * maxtime;
/* Allow a minimum of 2^15 salsa20/8 cores. */
if (opslimit < 32768)
opslimit = 32768;
/* Fix r = 8 for now. */
*r = 8;
/*
* The memory limit requires that 128Nr <= memlimit, while the CPU
* limit requires that 4Nrp <= opslimit. If opslimit < memlimit/32,
* opslimit imposes the stronger limit on N.
*/
#ifdef DEBUG
fprintf(stderr, "Requiring 128Nr <= %zu, 4Nrp <= %f\n",
memlimit, opslimit);
#endif
if (opslimit < (double)memlimit / 32) {
/* Set p = 1 and choose N based on the CPU limit. */
*p = 1;
maxN = opslimit / (*r * 4);
for (*logN = 1; *logN < 63; *logN += 1) {
if ((uint64_t)(1) << *logN > maxN / 2)
break;
}
} else {
/* Set N based on the memory limit. */
maxN = memlimit / (*r * 128);
for (*logN = 1; *logN < 63; *logN += 1) {
if ((uint64_t)(1) << *logN > maxN / 2)
break;
}
/* Choose p based on the CPU limit. */
maxrp = (opslimit / 4) / ((uint64_t)(1) << *logN);
if (maxrp > 0x3fffffff)
maxrp = 0x3fffffff;
*p = (uint32_t)(maxrp) / *r;
}
if (verbose)
display_params(*logN, *r, *p, memlimit, opps, maxtime);
/* Success! */
return (0);
}
int main(int argc , char *argv[])
{
int c;
int argvidx = 0 ;
int ret = 0 ;
int opt_events = 0 ;
int opt_events_nonblock = 0 ;
int opt_disp_param = 0 ;
char *opt_disp_param_arg = NULL;
char *opt_event_arg = NULL;
int opt_wps_event = 0;
acfg_dl_init();
appname = basename(argv[0]);
while( (c = getopt(argc , argv , option_args)) != -1 )
{
switch (c)
{
case 'e':
opt_events = 1 ;
opt_event_arg = optarg ;
break;
case 'n':
opt_events_nonblock = 1 ;
break;
case 'p':
opt_disp_param = 1 ;
opt_disp_param_arg = optarg ;
break;
case 'w':
opt_wps_event = 1 ;
break;
case '?':
/* getopt returns error */
usage();
exit(0);
break;
default:
usage();
exit(0);
break;
} //end switch
}//end while
argvidx = optind ;
if(opt_disp_param)
{
ret = display_params(opt_disp_param_arg) ;
}
else if(opt_events)
{
ret = recv_events(opt_event_arg,opt_events_nonblock);
}
else if (opt_wps_event)
{
recv_wps_events();
}
else if (argv[argvidx] != NULL)
ret = doapitest( &argv[argvidx] );
if(ret != 0)
{
printf("\n<<<<<<<<<< Dumping LOG >>>>>>>>>>>>>\n");
printf("%s", acfg_get_errstr());
printf("\n<<<<<<<<<<<<<< End >>>>>>>>>>>>>>>>>\n");
}
return ret ;
}
