add more files

Author: mattip

.gitignore

@@ -0,0 +1,2 @@
+*.swp
+.ipynb_checkpoints/

create_fractal.c

@@ -0,0 +1,30 @@
+/* Python
+def create_fractal(image, width, height, iters):
+    pixel_size_x = 3.0 / width
+    pixel_size_y = 2.0 / height
+    for y in range(height):
+        imag = y * pixel_size_y - 1
+        yy = y*width
+        for x in range(width):
+            real = x * pixel_size_x - 2
+            color = mandel(real, imag, iters)
+            image[yy+x] = color
+
+*/
+
+int mandel(int x, int y, int max_iters, unsigned char * val);
+
+void create_fractal(unsigned char * image, int width, int height, 
+                    int iters) {
+    float pixel_size_x = 3.0 / width;
+    float pixel_size_y = 2.0 / height;
+    for (int y=0; y<height; y++) {
+        float imag = y * pixel_size_y - 1;
+        int yy = y * width;
+        for (int x=0; x<width; x++) {
+            float real = x * pixel_size_x - 2;
+            unsigned char color;
+            int ret = mandel(real, imag, iters, &color);
+            image[yy + x] = color;
+        }
+    }

main.c

@@ -0,0 +1,19 @@
+#include <stdio.h>
+
+int mandel(int x, int y, int max_iters, unsigned char * val);
+
+void create_fractal(unsigned char * image, int width, int height, 
+                    int iters);
+
+int write_pbm(unsigned char * image, int width, int height, char * fname)
+{
+    int cnt;
+    FILE * fid = fopen(fname, "wb");
+    if (NULL == fid)
+        return -1;
+    cnt = f
+}
+int main(int argc, const char *argv[], const char * env[])
+{
+    return 0;
+}

mandel.py

@@ -68,7 +68,8 @@ def mandel(x, y, max_iters):
     return 255
 
 @jit
-def create_fractal(min_x, max_x, min_y, max_y, image, width, height, iters):
+def create_fractal(image, width, height, iters,
+                   min_x=-2.0, max_x=1.0, min_y=-1.0, max_y=1.0):
     pixel_size_x = (max_x - min_x) / width
     pixel_size_y = (max_y - min_y) / height
     for y in range(height):
@@ -95,7 +96,7 @@ def create_fractal(min_x, max_x, min_y, max_y, image, width, height, iters):
     fname += '_numpy'
     img_as_bytes = image
 s = timer()
-create_fractal(-2.0, 1.0, -1.0, 1.0, image, width, height, 20)
+create_fractal(image, width, height, 20)
 e = timer()
 print(e - s)
 if 0: