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-rw-r--r--algorithms/mandelbrot.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/algorithms/mandelbrot.c b/algorithms/mandelbrot.c
index 28bb188..8225d8c 100644
--- a/algorithms/mandelbrot.c
+++ b/algorithms/mandelbrot.c
@@ -37,12 +37,17 @@ void *generate_mandelbrot_section(void *section)
double top = -1.75f;
double left = -2.5f;
- for (y = d->core, b = (d->core*(size_units/size)+top); y < size; b+=((cores*size_units)/size), y+=cores)
+
+ /* FIXME document this */
+ b = (d->core*(size_units/size)+top);
+
+ for (y = d->core; y < size; y += cores)
{
- for (x = clust_id, a = (clust_id*(size_units/size)+left); x < size; a+=((clust_total*size_units)/size), x+=clust_total)
+ a = clust_id*(size_units/size)+left; /* FIXME document this */
+ for (x = clust_id; x < size; x+=clust_total)
{
z = 0;
- c = a+I*b;
+ c = a + I*b;
for (i = 0; i < iterat; i++)
{
if (cabsf(z) >= 2)
@@ -51,7 +56,9 @@ void *generate_mandelbrot_section(void *section)
z = cpow(z , power) + c;
}
d->data[d->idx++] = (255*i)/iterat;
+ a += (clust_total*size_units)/size;
}
+ b += (cores*size_units)/size;
}
return NULL;
}