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+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+rspl now supports different resolution grids in each dimension.
+!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+This is the second generation Regular Spline library.
+
+It contains scattered data point to regular grid interpolation,
+as well as spline smoothing, and the reverse interpolation
+code. This version is more modular, and uses better solution
+algorithms than the earlier REGSPL, and generally replaces it.
+
+The reverse interpolation algorithms support features needed
+for devices like CMYK printers, such as total ink limiting,
+black locus selection, gamut boundary detection, vector
+and nearest gamut clipping.
+
+It has been written with operation with 6 color printing
+devices in mind (ie. 3 extra degrees of freedom, and hence
+a 3 dimensional inking locus), although this usage is likely
+to be unwealdy.
+
+
+Misc test files:
+
+c1.c Test 1D curves. First test is to check tracking at multiple resolutions
+c1df.c Test 1D curve with weak default function.
+c1i.c Test 1D curve with incremental points
+sm1.c Discover 1D smoothness factor vs resolution tracking factor
+sm2.c Discover 2D smoothness factor vs resolution tracking factor
+sm3.c Discover 3D smoothness factor vs resolution tracking factor
+t2d.c Test 2D fitting. Test againt two resolutions.
+t2ddf.c Test 2D fitting with weak default function.
+t3d.c Test 3D fitting. Test againt two resolutions.
+t3ddf.c Test 3D fitting with weak default function.
+tnd.c Simple test of 4D
+trnd.c Simple test of 4D reverse lookup.
+smtnd.c Sythetic function, nD multi-parameter fitting test function.
+smtmpp.c MPP function, nD multi-parameter fitting test function.
+