From 5efde1e3e65af769cb629d55f0a4dd4f87caebe9 Mon Sep 17 00:00:00 2001
From: Charles <sircharlesaze@gmail.com>
Date: Fri, 20 Sep 2019 16:01:46 +0200
Subject: Parallel computation, pixel array

- All the pixels are stored in an array, put in a surface then a texture
  so we don't draw each pixel one by one.
- The computation of this array is done in parallel (one thread by line)
- Use sscanf instead of atoi hack to parse options
---
 helper.c | 12 ++++++++++++
 1 file changed, 12 insertions(+)

(limited to 'helper.c')

diff --git a/helper.c b/helper.c
index 9920c5d..0290563 100644
--- a/helper.c
+++ b/helper.c
@@ -8,3 +8,15 @@ double map_range(double x, double src_lo, double src_hi, double dest_lo, double
 
     return (x - src_lo) / src_len * dest_len + dest_lo;
 }
+
+int *inclusive_range(int start, int end)
+{
+    if (end < start)
+        return NULL;
+    int *range = malloc(sizeof(int) * (end - start + 1));
+    if (range == NULL)
+        return NULL;
+    for (int i = 0; start < end; i++)
+        range[i] = start++;
+    return range;
+}
-- 
cgit