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v2.2.2 2024-07-02

• fixed typo in example of pbsc()
• fixed syntax error in manul for bsc() and bsp()
• fixed missing variable in test of example for pbsc()
• fixed missing export for pbsc()

v2.2.1 2023-05-30

• fixed typo in rgl example of bcurve()
• fixed NEWS mention of parr() for v2.2.
• added pbsc()

v2.2 2023-05-26

• added bcurve() for building nD curves from a set of control points
• added parr() polynomial formulation of B-splines

v2.1 2022-09-26

• smbsp() can estimate covariance matrix of estimated coefficients
• added dmat() for differentiation operator
• ipk() is now exported and tested
• fixed 0-value for abscissas on the right hand side of the knot interval

v2.0.1 2022-04-19

• bsc() can calculate Jacobian of basis vectors as function of knots. By consequence, the suggestion of numDeriv package is removed
• added jacw() calculating Jacobian of B-spline with weights
• added ibsp() for integration
• now, iknots() can deal with repeated x values
• added monotonicity and positivity optional constraints
• added Copyright field to DESCRIPTION
• fixed inequality generation in fitsmbsp()
• fixed gcc-12 compile error

v1.0.2 2022-03-17

• fixed ipk() ASAN problem signaled by R CRAN team
• fixed export of par2bsp()
• fixed error in example of fitsmbsp()
• fixed debug printing in iknots()
• increased resolution from 5 to 10 intervals for tv fitting by linear B-splines in iknots()
• forced monotonicity in iknots() despite possible round-off errors
• added URL and BugRepport in DESCRIPTION

v1.0.1 2022-03-11

• First release on CRAN

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