Replace C++ (in)equality checks with proper SCM syntax

[lilypond.git] / lily / ambitus-engraver.cc

diff --git a/lily/ambitus-engraver.cc b/lily/ambitus-engraver.cc
index 58716c3ccf795a1b9c6e3f6412ac06f4a43b2b67..fedf31e5d49e0a3a4649f5693b03af0affe7d98b 100644 (file)
--- a/lily/ambitus-engraver.cc
+++ b/lily/ambitus-engraver.cc
@@ -174,11 +174,11 @@ Ambitus_engraver::finalize ()
                                             scm_from_int (p.get_notename ())),
                                   start_key_sig_);
 
-          if (handle == SCM_BOOL_F)
+          if (scm_is_false (handle))
             handle = scm_assoc (scm_from_int (p.get_notename ()),
                                 start_key_sig_);
 
-          Rational sig_alter = (handle != SCM_BOOL_F)
+          Rational sig_alter = (scm_is_true (handle))
                                ? robust_scm2rational (scm_cdr (handle), Rational (0))
                                : Rational (0);