X-Git-Url: https://git.donarmstrong.com/?a=blobdiff_plain;f=scm%2Fmodal-transforms.scm;h=98e9ac3021750bd510e9e9b276944820ab730fd4;hb=47db9a3883d726ca53e2133a3b2298f78dd6a32e;hp=9617329d77843a4e13777046cc86908be1edd44a;hpb=34fc5bf1293e0bbdea8519118112b50dd1256ac7;p=lilypond.git

diff --git a/scm/modal-transforms.scm b/scm/modal-transforms.scm
index 9617329d77..98e9ac3021 100644
--- a/scm/modal-transforms.scm
+++ b/scm/modal-transforms.scm
@@ -1,6 +1,6 @@
 ;;; modal-transforms.scm --- Modal transposition, inversion, and retrograde.
 
-;; Copyright (C) 2011--2012 Ellis & Grant, Inc.
+;; Copyright (C) 2011--2015 Ellis & Grant, Inc.
 
 ;; Author: Michael Ellis <michael.f.ellis@gmail.com>
 
@@ -48,11 +48,11 @@ pitches as members of a scale.
 
      (else
       (list-ref scale
-		(modulo
-		 (+ (index pitch scale)
-		    (- (index to-pitch scale)
-		       (index from-pitch scale)))
-		 (length scale)))))))
+                (modulo
+                 (+ (index pitch scale)
+                    (- (index to-pitch scale)
+                       (index from-pitch scale)))
+                 (length scale)))))))
 
 (define (inverter-factory scale)
   "Returns an inverter for the specified @var{scale}.
@@ -81,11 +81,11 @@ arbitrary items and pitches as members of a scale.
 
      (else
       (list-ref scale
-		(modulo
-		 (+ (index to-pitch scale)
-		    (- (index around-pitch scale)
-		       (index pitch scale)))
-		 (length scale)))))))
+                (modulo
+                 (+ (index to-pitch scale)
+                    (- (index around-pitch scale)
+                       (index pitch scale)))
+                 (length scale)))))))
 
 (define (replicate-modify lis n mod-proc)
   "Apply @code{(mod-proc lis n)} to each element of a list and
@@ -112,15 +112,15 @@ a single pitch as its argument and return a new pitch.  These are
 LilyPond scheme pitches, e.g. @code{(ly:make-pitch 0 2 0)}
 "
   (let ((elements (ly:music-property music 'elements))
-	(element (ly:music-property music 'element))
-	(pitch (ly:music-property music 'pitch)))
+        (element (ly:music-property music 'element))
+        (pitch (ly:music-property music 'pitch)))
 
     (cond
      ((ly:pitch? pitch)
       (ly:music-set-property! music 'pitch (converter pitch)))
 
      ((pair? elements)
-      (map (lambda (x) (change-pitches x converter)) elements))
+      (for-each (lambda (x) (change-pitches x converter)) elements))
 
      ((ly:music? element)
       (change-pitches element converter)))))
@@ -130,13 +130,12 @@ LilyPond scheme pitches, e.g. @code{(ly:make-pitch 0 2 0)}
   "Recurse through @var{music}, extracting pitches.
 Returns a list of pitch objects, e.g
 @code{'((ly:make-pitch 0 2 0) (ly:make-pitch 0 4 0) ... )}
-Typically used to construct a scale for input to transposer-factory
-(see).
-"
+Typically used to construct a scale for input to
+@code{transposer-factory}."
 
   (let ((elements (ly:music-property music 'elements))
-	(element (ly:music-property music 'element))
-	(pitch (ly:music-property music 'pitch)))
+        (element (ly:music-property music 'element))
+        (pitch (ly:music-property music 'pitch)))
 
     (cond
      ((ly:pitch? pitch)
@@ -159,10 +158,10 @@ Typically used to construct a scale for input to transposer-factory
     (lambda (lis n)
       (map
        (lambda (i)
-	 (ly:make-pitch
-	  (+ (- n 6) (ly:pitch-octave i))
-	  (ly:pitch-notename i)
-	  (ly:pitch-alteration i)))
+         (ly:make-pitch
+          (+ (- n 6) (ly:pitch-octave i))
+          (ly:pitch-notename i)
+          (ly:pitch-alteration i)))
        lis)))
 
   (let ((scale (make-scale music)))
@@ -192,12 +191,15 @@ Typically used to construct a scale for input to transposer-factory
   ;; inversion and retrograding.
 
   (let* ((elements (ly:music-property music 'elements))
+         (arts (ly:music-property music 'articulations))
          (reversed (reverse elements))
          (element (ly:music-property music 'element))
          (span-dir (ly:music-property music 'span-direction)))
 
     (ly:music-set-property! music 'elements reversed)
 
+    (for-each retrograde-music arts)
+
     (if (ly:music? element)
         (ly:music-set-property!
          music 'element
@@ -206,7 +208,7 @@ Typically used to construct a scale for input to transposer-factory
     (if (ly:dir? span-dir)
         (ly:music-set-property! music 'span-direction (- span-dir)))
 
-    (map retrograde-music reversed)
+    (for-each retrograde-music reversed)
 
     music))
 
@@ -215,11 +217,11 @@ Typically used to construct a scale for input to transposer-factory
 and transposes from @var{around} to @var{to}."
   (let ((p (ly:music-property music 'pitch)))
     (if (ly:pitch? p)
-	(ly:music-set-property!
-	 music 'pitch
-	 (ly:pitch-transpose to (ly:pitch-diff around p))))
+        (ly:music-set-property!
+         music 'pitch
+         (ly:pitch-transpose to (ly:pitch-diff around p))))
     music))
 
 (define-public (music-invert around to music)
   "Applies pitch-invert to all pitches in @var{music}."
-     (music-map (lambda (x) (pitch-invert around to x)) music))
+  (music-map (lambda (x) (pitch-invert around to x)) music))