/*
This file is part of LilyPond, the GNU music typesetter.
- Copyright (C) 1999--2011 Han-Wen Nienhuys <hanwen@xs4all.nl>
+ Copyright (C) 1999--2014 Han-Wen Nienhuys <hanwen@xs4all.nl>
LilyPond is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
return a == b ? SCM_BOOL_T : SCM_BOOL_F;
}
+LY_DEFINE (ly_make_spring, "ly:make-spring",
+ 2, 0, 0, (SCM ideal, SCM min_dist),
+ "Make a spring. @var{ideal} is the ideal distance of the"
+ " spring, and @var{min-dist} is the minimum distance.")
+{
+ LY_ASSERT_TYPE (scm_is_number, ideal, 1);
+ LY_ASSERT_TYPE (scm_is_number, min_dist, 2);
+
+ Spring s (scm_to_double (ideal), scm_to_double (min_dist));
+
+ return s.smobbed_copy ();
+}
+
+LY_DEFINE (ly_spring_set_inverse_compress_strength_x, "ly:spring-set-inverse-compress-strength!",
+ 2, 0, 0, (SCM spring, SCM strength),
+ "Set the inverse compress @var{strength} of @var{spring}.")
+{
+ LY_ASSERT_SMOB (Spring, spring, 1);
+ LY_ASSERT_TYPE (scm_is_number, strength, 2);
+
+ Spring *s = Spring::unsmob (spring);
+ s->set_inverse_compress_strength (scm_to_double (strength));
+ return s->smobbed_copy ();
+}
+
+LY_DEFINE (ly_spring_set_inverse_stretch_strength_x, "ly:spring-set-inverse-stretch-strength!",
+ 2, 0, 0, (SCM spring, SCM strength),
+ "Set the inverse stretch @var{strength} of @var{spring}.")
+{
+ LY_ASSERT_SMOB (Spring, spring, 1);
+ LY_ASSERT_TYPE (scm_is_number, strength, 2);
+
+ Spring *s = Spring::unsmob (spring);
+ s->set_inverse_stretch_strength (scm_to_double (strength));
+ return s->smobbed_copy ();
+}
+
+IMPLEMENT_TYPE_P (Spring, "ly:spring?");