From ea5ca0b6798a3252c89f1a0126c467ccc25065cb Mon Sep 17 00:00:00 2001
From: Yingjie Wang <phywyj@gmail.com>
Date: Thu, 6 Nov 2025 17:04:09 -0500
Subject: [PATCH] update: add test

---
 src/init.c | 6 +++++-
 src/init.h | 1 +
 src/test.c | 8 ++++++++
 3 files changed, 14 insertions(+), 1 deletion(-)
 create mode 100644 src/test.c

diff --git a/src/init.c b/src/init.c
index 9cabd01..e23eb86 100644
--- a/src/init.c
+++ b/src/init.c
@@ -123,7 +123,7 @@ static void refine_interval(double xl, double xr, double yl, double yr, double r
   return ;
 }
 
-static int init(double bmax, double rela_err_limit){
+int init(double bmax, double rela_err_limit){
   SampleData sample;
   sample.capacity = 2;
   sample.size=2;
@@ -139,6 +139,10 @@ static int init(double bmax, double rela_err_limit){
   //sort
 
   //output
+  printf("Total sample points number: %d\n", sample.size);
+  for (int i = 0; i < sample.size; i++) {
+    printf("%.16g %.16g\n", sample.x[i], sample.y[i]);
+  }
 
   free(sample.x);
   free(sample.y);
diff --git a/src/init.h b/src/init.h
index 2a4f0c5..d59e39e 100644
--- a/src/init.h
+++ b/src/init.h
@@ -1 +1,2 @@
 double chi(double b);
+int init(double bmax, double rela_err_limit);
diff --git a/src/test.c b/src/test.c
new file mode 100644
index 0000000..1f83b9f
--- /dev/null
+++ b/src/test.c
@@ -0,0 +1,8 @@
+#include "common.h"
+#include "init.h"
+
+int main(){
+  init(15.0, 1e-3);
+
+  return 0;
+}