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-rw-r--r--qfunctionconfigurator/functionconfig.cpp4
1 files changed, 2 insertions, 2 deletions
diff --git a/qfunctionconfigurator/functionconfig.cpp b/qfunctionconfigurator/functionconfig.cpp
index 594607ff..33f9beee 100644
--- a/qfunctionconfigurator/functionconfig.cpp
+++ b/qfunctionconfigurator/functionconfig.cpp
@@ -31,8 +31,8 @@ float Map::getValue(float x) {
float yiplus1 = getValueInternal(xi+1);
float f = (q-xi);
float ret = yiplus1 * f + yi * (1.0f - f); // at least do a linear interpolation.
- last_input_value.setX(x);
- last_input_value.setY(ret);
+ last_input_value.setX(std::fabs(x));
+ last_input_value.setY(std::fabs(ret));
return ret;
}