From 4f243c6f49f056b2064a72a5bf1bbdff45c15f07 Mon Sep 17 00:00:00 2001
From: Anthony Wang <a@exozy.me>
Date: Fri, 6 Jan 2023 19:25:27 -0600
Subject: [PATCH] Reformat files to idiomatic Scheme

---
 lambeat.scm | 22 ++++++++++------------
 lib.scm     | 20 ++++++++------------
 music.scm   | 19 +++++++------------
 3 files changed, 25 insertions(+), 36 deletions(-)

diff --git a/lambeat.scm b/lambeat.scm
index e98af09..1bcc730 100644
--- a/lambeat.scm
+++ b/lambeat.scm
@@ -5,17 +5,15 @@
 (define bitrate 8000)
 
 ; Get the music as a list sampled at the bitrate
-(define (play t end) (
-	cons (* 1/4 (tri (* t (music t)))) (if (< t end)
-		(play (+ t (/ 1 bitrate)) end)
-		'()
-	)
-))
+(define (play t end)
+	(cons (* 1/4 (tri (* t (music t))))
+		(if (< t end)
+			(play (+ t (/ 1 bitrate)) end)
+			'())))
 
 ; Output the list in the s16 raw audio format
-(for-each (lambda (a) (
-	let ((b (modulo (inexact->exact (round (* (+ a 2) 32768))) 65536)))
-		cons
-			(put-u8 (current-output-port) (modulo b 256))
-			(put-u8 (current-output-port) (quotient b 256))
-)) (play 0 4))
+(for-each (lambda (a)
+	(let ((b (modulo (inexact->exact (round (* (+ a 2) 32768))) 65536))) cons
+		(put-u8 (current-output-port) (modulo b 256))
+		(put-u8 (current-output-port) (quotient b 256))))
+	(play 0 4))
diff --git a/lib.scm b/lib.scm
index 5a12152..6ce6cf8 100644
--- a/lib.scm
+++ b/lib.scm
@@ -1,21 +1,17 @@
 ; Triangle wave with a period of 1 second
-(define (tri t) (
-	let ((m (floor-remainder (+ t (/ 1 4)) 1)))
+(define (tri t)
+	(let ((m (floor-remainder (+ t (/ 1 4)) 1)))
 		(if (< m 1/2)
 			(- (* 4 m) 1)
-			(- 3 (* 4 m)))
-))
+			(- 3 (* 4 m)))))
 
 ; Creates a note
-(define (note freq start len) (
-	lambda (t) (
+(define (note freq start len)
+	(lambda (t) (
 		if (or (< t start) (>= t (+ start len)))
 			0
-			freq
-	)
-))
+			freq)))
 
 ; Gets the frequency of a particular pitch
-(define (getfreq octave pitch) (
-	* 55 (ash 1 octave) (expt 2 (/ pitch 13))
-))
+(define (getfreq octave pitch)
+	(* 55 (ash 1 octave) (expt 2 (/ pitch 13))))
diff --git a/music.scm b/music.scm
index 7934bda..f994c6d 100644
--- a/music.scm
+++ b/music.scm
@@ -1,10 +1,9 @@
 (include "lib.scm")
 
-(define (melody t) (
-	apply + (
-		map (lambda (x) (
-			apply (lambda (octave pitch start len) ((note (getfreq octave pitch) start len) t)) x
-		)) '(
+(define (melody t)
+	(apply + (map (lambda (x)
+		(apply (lambda (octave pitch start len) ((note (getfreq octave pitch) start len) t)) x))
+		'(
 			(2 5 1 1)
 			(2 8 4 1)
 			(3 5 7 1)
@@ -20,11 +19,7 @@
 			(3 3 23 1)
 			(3 5 25 1)
 			(3 0 30 1)
-			(3 3 31 1)
-		)
-	)
-))
+			(3 3 31 1)))))
 
-(define (music t) (
-	melody (* t 8)
-))
+(define (music t)
+	(melody (* t 8)))