From bf1769cef65a8ccc81faaf645c5d574e8c5e2981 Mon Sep 17 00:00:00 2001
From: ychenfo <yc@m-labs.hk>
Date: Sun, 19 Sep 2021 17:50:01 +0800
Subject: [PATCH] nac3standalone: more tests

---
 nac3standalone/demo.c        |  3 ++-
 nac3standalone/mandelbrot.py | 39 ++++++++++++++++++++++++++++++++----
 2 files changed, 37 insertions(+), 5 deletions(-)

diff --git a/nac3standalone/demo.c b/nac3standalone/demo.c
index beefe0b3e..cdd6d39bc 100644
--- a/nac3standalone/demo.c
+++ b/nac3standalone/demo.c
@@ -11,7 +11,8 @@ int output(int x) {
         if(x < strlen(chars)) {
             putchar(chars[x]);
         } else {
-            printf("ERROR\n");
+            // printf("ERROR\n");
+            printf("%d", x);
         }
     }
     return 0;
diff --git a/nac3standalone/mandelbrot.py b/nac3standalone/mandelbrot.py
index ac222f255..7afd28a7c 100644
--- a/nac3standalone/mandelbrot.py
+++ b/nac3standalone/mandelbrot.py
@@ -1,13 +1,34 @@
-def run() -> int32:
+def y_scale(maxX: float, minX: float, height: float, width: float, aspectRatio: float) -> float:
+    return (maxX-minX)*(height/width)*aspectRatio
+
+def check_smaller_than_sixteen(i: int32) -> bool:
+    return i < 16
+
+def rec(x: int32):
+    if x > 1:
+        output(x)
+        rec(x - 1)
+        return
+    else:
+        output(-1)
+        return
+
+def fib(n: int32) -> int32:
+    if n <= 2:
+        return 1
+    else:
+        return fib(n - 1) + fib(n - 2)
+
+def draw():
     minX = -2.0
     maxX = 1.0
     width = 78.0
     height = 36.0
     aspectRatio = 2.0
 
-    test = 1.0 + 1
+    # test = 1.0 + 1
 
-    yScale = (maxX-minX)*(height/width)*aspectRatio
+    yScale = y_scale(maxX, minX, height, width, aspectRatio)
 
     y = 0.0
     while y < height:
@@ -18,7 +39,7 @@ def run() -> int32:
             z_r = c_r
             z_i = c_i
             i = 0
-            while i < 16:
+            while check_smaller_than_sixteen(i):
                 if z_r*z_r + z_i*z_i > 4.0:
                     break
                 new_z_r = (z_r*z_r)-(z_i*z_i) + c_r
@@ -29,5 +50,15 @@ def run() -> int32:
             x = x + 1.0
         output(-1)
         y = y + 1.0
+    
+    return
+
+def run() -> int32:
+    rec(5)
+
+    output(fib(10))
+    output(-1)
+    
+    draw()
     return 0