Make sure that _get_vector writes a value to the output array even when veclen == 1. Fixes #3461.

git-svn-id: svn://localhost/ardour2/branches/3.0@7808 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 7 insertions, 6 deletions

diff --git a/libs/evoral/src/Curve.cpp b/libs/evoral/src/Curve.cpp
index b5338f42a9..d15ff16ea5 100644
--- a/libs/evoral/src/Curve.cpp
+++ b/libs/evoral/src/Curve.cpp
@@ -264,7 +264,7 @@ Curve::_get_vector (double x0, double x1, float *vec, int32_t veclen)
 		return;
 	}
 
-	if (npoints == 1 ) {
+	if (npoints == 1) {
 
 		for (i = 0; i < veclen; ++i) {
 			vec[i] = _list.events().front()->value;
@@ -308,12 +308,13 @@ Curve::_get_vector (double x0, double x1, float *vec, int32_t veclen)
 	rx = lx;
 
 	if (veclen > 1) {
+		dx = (hx - lx) / (veclen - 1);
+	} else {
+		dx = 0;
+	}
 
-		dx = (hx - lx) / (veclen-1);
-
-		for (i = 0; i < veclen; ++i, rx += dx) {
-			vec[i] = multipoint_eval (rx);
-		}
+	for (i = 0; i < veclen; ++i, rx += dx) {
+		vec[i] = multipoint_eval (rx);
 	}
 }