From 21c2135588a6a76b6dcc4defc6e64a3d9032db59 Mon Sep 17 00:00:00 2001 From: Stanislaw Halik Date: Sun, 26 Jul 2015 10:50:36 +0200 Subject: qfc: interpolate the right way for negative values --- qfunctionconfigurator/functionconfig.cpp | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/qfunctionconfigurator/functionconfig.cpp b/qfunctionconfigurator/functionconfig.cpp index 38a9e703..825aa3c1 100644 --- a/qfunctionconfigurator/functionconfig.cpp +++ b/qfunctionconfigurator/functionconfig.cpp @@ -28,7 +28,7 @@ Map::num Map::getValue(Map::num x) { num q = x * precision(); int xi = (int)q; num yi = getValueInternal(xi); - num yiplus1 = getValueInternal(xi+1); + num yiplus1 = getValueInternal(xi + (x < 0 ? -1 : 1)); num f = (q-xi); num ret = yiplus1 * f + yi * (1.0f - f); // at least do a linear interpolation. last_input_value.setX(x); -- cgit v1.2.3