Changeset 41831 for branches/eam_branches/ipp-dev-20210817/psLib/src/math/psPolynomial.h

Timestamp:

Oct 11, 2021, 11:33:33 AM (5 years ago)

Author:

eugene

Message:

add chebyshev polynomials to 2D fitting; add chebyshev support functions; use chebyshev polynomials for inverse transformation

File:

• branches/eam_branches/ipp-dev-20210817/psLib/src/math/psPolynomial.h (modified) (5 diffs)

branches/eam_branches/ipp-dev-20210817/psLib/src/math/psPolynomial.h

@@ -68 +68 @@
     psF64 *coeffErr;                    ///< Error in coefficients
     psMaskType *coeffMask;              ///< Coefficient mask
+    double scale[1];                    ///< Chebyshev scale factor
+    double zero[1];                     ///< Chebyshev zero point
 }
 psPolynomial1D;
@@ -80 +82 @@
     psF64 **coeffErr;                   ///< Error in coefficients
     psMaskType **coeffMask;                  ///< Coefficients mask
+    double scale[2];                    ///< Chebyshev scale factor
+    double zero[2];                     ///< Chebyshev zero point
 }
 psPolynomial2D;
@@ -93 +97 @@
     psF64 ***coeffErr;                  ///< Error in coefficients
     psMaskType ***coeffMask;                 ///< Coefficients mask
+    double scale[3];                    ///< Chebyshev scale factor
+    double zero[3];                     ///< Chebyshev zero point
 }
 psPolynomial3D;
@@ -107 +113 @@
     psF64 ****coeffErr;                 ///< Error in coefficients
     psMaskType ****coeffMask;           ///< Coefficients mask
+    double scale[4];                    ///< Chebyshev scale factor
+    double zero[4];                     ///< Chebyshev zero point
 }
 psPolynomial4D;
@@ -305 +313 @@
 p_chebyPolys;
 
+
+// chebyshev support functions:
+bool psChebyshevSetScale (psPolynomial2D* myPoly, const psVector *vec, int dir);
+psVector *psChebyshevNormVector (const psPolynomial2D* myPoly, const psVector *vec, int dir);
+psVector *psChebyshevPolyVector (const psVector *vec, int order);
 
 /*****************************************************************************