renamed fir window generators;

minor edits to whitespace and comments for more consistent style;

1 files changed, 4 insertions, 1 deletions

diff --git a/pi.awk b/pi.awk
index 69eb36e..0a529f8 100644
--- a/pi.awk
+++ b/pi.awk
@@ -1,4 +1,4 @@
-#! /usr/bin/awk -f
+#!/usr/bin/awk -f
 
 ### pi.awk, https://en.wikipedia.org/wiki/Pi
 # In 1706 John Machin used the Gregory–Leibniz series to produce an algorithm
@@ -11,11 +11,14 @@
 # Ferguson–the best approximation achieved without the aid of a calculating
 # device.
 
+
 function pi() {
     return 4*(4*atan2(1,5) - atan2(1,239))
 }
 
+
 BEGIN {
     ARGV[1] ? OFMT = "%." ARGV[1] "g" : OFMT = "%g"
     printf(OFMT ORS, pi())
 }
+