void QuadraticSplineSubdivideFloat(int inpoints, int components, const float *in, int instride, float *out, int outstride);
void QuadraticSplinePatchSubdivideFloatBuffer(int cpwidth, int cpheight, int xlevel, int ylevel, int components, const float *in, float *out);
+float QuadraticSplinePatchLargestDeviationOnX(int cpwidth, int cpheight, int components, const float *in);
+float QuadraticSplinePatchLargestDeviationOnY(int cpwidth, int cpheight, int components, const float *in);
+int QuadraticSplinePatchSubdivisionLevelForDeviation(float deviation, float level1tolerance, int levellimit);
+int QuadraticSplinePatchSubdivisionLevelOnX(int cpwidth, int cpheight, int components, const float *in, float level1tolerance, int levellimit);
+int QuadraticSplinePatchSubdivisionLevelOnY(int cpwidth, int cpheight, int components, const float *in, float level1tolerance, int levellimit);
#endif