reimplement stack-stencils without minimum-translation argument.

[lilypond.git] / scm / lily-library.scm

diff --git a/scm/lily-library.scm b/scm/lily-library.scm
index dc69ad5df74de3e5ebbd620ff679fb1e058caf4f..0746876ca3d6625d9c678c857618fe38f8ebf00a 100644 (file)
--- a/scm/lily-library.scm
+++ b/scm/lily-library.scm
@@ -380,6 +380,9 @@ found."
 
 (define-public interval-end cdr)
 
+(define-public (interval-bound interval dir)
+  ((if (= dir RIGHT) cdr car) interval))
+
 (define-public (interval-index interval dir)
   "Interpolate INTERVAL between between left (DIR=-1) and right (DIR=+1)"
   
@@ -423,9 +426,16 @@ found."
 
 
 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
-;;
-
-
+;; string
+
+(define-public (string-endswith s suffix)
+  (equal? suffix (substring s
+                           (max 0 (- (string-length s) (string-length suffix)))
+                           (string-length s))))
+            
+(define-public (string-startswith s prefix)
+  (equal? prefix (substring s 0 (min (string-length s) (string-length prefix)))))
+            
 (define-public (string-encode-integer i)
   (cond
    ((= i  0) "o")
@@ -516,6 +526,12 @@ possibly turned off."
       0
       (if (< x 0) -1 1)))
 
+(define-public (round2 num)
+  (/ (round (* 100 num)) 100))
+
+(define-public (round4 num)
+  (/ (round (* 10000 num)) 10000))
+
 (define-public (car< a b) (< (car a) (car b)))
 
 (define-public (symbol<? lst r)