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-rw-r--r--fractal-gen.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/fractal-gen.c b/fractal-gen.c
index 0d2e1a3..c4be171 100644
--- a/fractal-gen.c
+++ b/fractal-gen.c
@@ -37,6 +37,8 @@
#include <sys/mman.h>
#include <string.h>
+struct frame f;
+
static struct section_generator generators[] = {
{ "mandelbrot-gen" , &generate_mandelbrot_section },
{ "burning-ship-gen" , &generate_burning_ship_section },
@@ -48,6 +50,13 @@ char *ram_units[] = {
};
+void
+defaultsd(double *who, double def)
+{
+ if (isnan(*who))
+ *who = def;
+}
+
int
main(int argc, char **argv)
{
@@ -129,8 +138,12 @@ main(int argc, char **argv)
munmap(sections, sizeof(data_section)*cores);
return 1;
}
+ /* FIXME repetition */
sections[i].core = i;
sections[i].width = width;
+ sections[i].parent_frame.top = f.top;
+ sections[i].parent_frame.left = f.left;
+ sections[i].parent_frame.scale = f.scale;
sections[i].datasize = toalloc;
fprintf(stderr, " -> Thread %lu\r", i);
pthread_create(&sections[i].thread, NULL, generator, &(sections[i]));
@@ -195,20 +208,31 @@ parse_args(int argc, char **argv)
clust_id = 0;
clust_total = 1;
+ f.left = nan("");
+ f.top = nan("");
+ f.scale = nan("");
+
/* bail out early if no arguments are supplied */
if (argc <= 1)
return 1;
- while ( (opt = getopt(argc, argv, "s:i:e:c:t:N:T:")) != -1 ) {
+ while ( (opt = getopt(argc, argv, "s:i:e:c:t:N:T:x:y:z:")) != -1 ) {
switch (opt)
{
case 's': size = atoi(optarg); break;
case 'i': iterat = atoi(optarg); break;
case 'e': power = atof(optarg); break;
+
case 'c': cores = atoi(optarg); break;
case 't': thread_mult = atof(optarg); break;
+
case 'N': clust_id = atoi(optarg); break;
case 'T': clust_total = atoi(optarg); break;
+
+ case 'x': f.left = atof(optarg); break;
+ case 'y': f.top = atof(optarg); break;
+ case 'z': f.scale = atof(optarg); break;
+
/* redundant case for '?', but explicitness is best */
case '?':
default: