diff options
-rw-r--r-- | qfunctionconfigurator/functionconfig.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/qfunctionconfigurator/functionconfig.cpp b/qfunctionconfigurator/functionconfig.cpp index 4f808c80..1ed6d54f 100644 --- a/qfunctionconfigurator/functionconfig.cpp +++ b/qfunctionconfigurator/functionconfig.cpp @@ -24,8 +24,12 @@ Map::Map() : float Map::getValue(float x) { QMutexLocker foo(&_mutex); - int x2 = x * (double) MEMOIZE_PRECISION; - float ret = getValueInternal(x2); + double q = x * (double) MEMOIZE_PRECISION; + int xi = (int)q; + float yi = getValueInternal(xi); + 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); return ret; |