From a8064e8a631ed4ff1655575fe60423353fbc2b82 Mon Sep 17 00:00:00 2001
From: wukong <wukong@longaeva>
Date: Thu, 8 Nov 2018 20:20:13 -0800
Subject: added optional precision parameter read from ARGV[2] of
 sterling_approx;

---
 sterling_approx.awk | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'sterling_approx.awk')

diff --git a/sterling_approx.awk b/sterling_approx.awk
index 62825b3..aa0a748 100644
--- a/sterling_approx.awk
+++ b/sterling_approx.awk
@@ -17,8 +17,9 @@ function pwr(x, p) {
 }
 
 BEGIN {
-    #OFMT = "%.18g"
     ARGV[1] ? n = ARGV[1] : n = 0
+    ARGV[2] ? prec = ARGV[2] : prec = ""
+    prec ? OFMT = "%." prec "g" : OFMT = "%g"
     pi = 4*atan2(1,1)
     f = 0
     if (n > 0) {
-- 
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