add const-ness: Evaluating a curve does not change it.

Note that the ControlList's lock and cache are already mutable.

2 files changed, 10 insertions, 10 deletions

diff --git a/libs/evoral/evoral/Curve.hpp b/libs/evoral/evoral/Curve.hpp
index bf2de520a0..85158cbc54 100644
--- a/libs/evoral/evoral/Curve.hpp
+++ b/libs/evoral/evoral/Curve.hpp
@@ -33,17 +33,17 @@ class LIBEVORAL_API Curve : public boost::noncopyable
 public:
 	Curve (const ControlList& cl);
 
-	bool rt_safe_get_vector (double x0, double x1, float *arg, int32_t veclen);
-	void get_vector (double x0, double x1, float *arg, int32_t veclen);
+	bool rt_safe_get_vector (double x0, double x1, float *arg, int32_t veclen) const;
+	void get_vector (double x0, double x1, float *arg, int32_t veclen) const;
 
-	void solve ();
+	void solve () const;
 
 	void mark_dirty() const { _dirty = true; }
 
 private:
-	double multipoint_eval (double x);
+	double multipoint_eval (double x) const;
 
-	void _get_vector (double x0, double x1, float *arg, int32_t veclen);
+	void _get_vector (double x0, double x1, float *arg, int32_t veclen) const;
 
 	mutable bool       _dirty;
 	const ControlList& _list;
diff --git a/libs/evoral/src/Curve.cpp b/libs/evoral/src/Curve.cpp
index a8605c6f1d..83fd0756bd 100644
--- a/libs/evoral/src/Curve.cpp
+++ b/libs/evoral/src/Curve.cpp
@@ -42,7 +42,7 @@ Curve::Curve (const ControlList& cl)
 }
 
 void
-Curve::solve ()
+Curve::solve () const
 {
 	uint32_t npoints;
 
@@ -169,7 +169,7 @@ Curve::solve ()
 }
 
 bool
-Curve::rt_safe_get_vector (double x0, double x1, float *vec, int32_t veclen)
+Curve::rt_safe_get_vector (double x0, double x1, float *vec, int32_t veclen) const
 {
 	Glib::Threads::RWLock::ReaderLock lm(_list.lock(), Glib::Threads::TRY_LOCK);
 
@@ -182,14 +182,14 @@ Curve::rt_safe_get_vector (double x0, double x1, float *vec, int32_t veclen)
 }
 
 void
-Curve::get_vector (double x0, double x1, float *vec, int32_t veclen)
+Curve::get_vector (double x0, double x1, float *vec, int32_t veclen) const
 {
 	Glib::Threads::RWLock::ReaderLock lm(_list.lock());
 	_get_vector (x0, x1, vec, veclen);
 }
 
 void
-Curve::_get_vector (double x0, double x1, float *vec, int32_t veclen)
+Curve::_get_vector (double x0, double x1, float *vec, int32_t veclen) const
 {
 	double rx, lx, hx, max_x, min_x;
 	int32_t i;
@@ -329,7 +329,7 @@ Curve::_get_vector (double x0, double x1, float *vec, int32_t veclen)
 }
 
 double
-Curve::multipoint_eval (double x)
+Curve::multipoint_eval (double x) const
 {
 	pair<ControlList::EventList::const_iterator,ControlList::EventList::const_iterator> range;