psPlaneTransform & Distort

[David.Robbins@…]

Since we've done away with the psDPolynomial functions, the psPlaneTransform
struct needs changing (s7.2.1, p87-88).

Same goes for psPlaneDistort (p88)

[Paul Price]

typedef struct {

psPolynomial2D *x;
psPolynomial2D *y;

} psPlaneTransform;

typedef struct {

psPolynomial4D *x;
psPolynomial4D *y;

} psPlaneDistort;

Also updated the definition of the polynomials, as we agreed in the last telecon:

typedef struct {

psPolynomialType type; /< Polynomial type
unsigned int n; /< Number of terms
psF64 *coeff; /< Coefficients
psF64 *coeffErr; /< Error in coefficients
char *mask; /< Coefficient mask

} psPolynomial1D;

with

psPolynomial1D *psPolynomial1DAlloc(psPolynomialType type,

unsigned int nX);

etc, up to 4D.

[David.Robbins@…]

I was under the impression that we are no longer using unsigned int's in places
like this. Currently, they have all been changed back to signed.

[Paul Price]

There is no need to address the array from the end, so the numbers are unsigned.