1 files changed, 27 insertions, 0 deletions
diff --git a/tests/functional/74_itera_sqrt.sy b/tests/functional/74_itera_sqrt.sy
new file mode 100644
index 0000000..1b970d1
--- /dev/null
+++ b/tests/functional/74_itera_sqrt.sy
@@ -0,0 +1,27 @@
+int fsqrt(int a)
+{
+    int x0=0;
+    int x1;
+    x1=a/2;
+    while(x0-x1!=0)
+    {
+        x0=x1;
+        x1=(x0+a/x0);
+        x1=x1/2;
+    }
+
+    return x1;
+
+}
+
+int main()
+{
+    int a;
+    a=400;
+    int res;
+    res=fsqrt(a);
+    putint(res);
+    res = 10;
+    putch(res);
+    return 0;
+}