splinemap: A new class representing 2-d spline transformations

Makefile.am

@@ -57,6 +57,7 @@ GRP_C_ROUTINES = \
     src/specframe.c \
     src/specmap.c \
     src/sphmap.c \
+    src/splinemap.c \
     src/stc.c \
     src/stccatalogentrylocation.c \
     src/stcobsdatalocation.c \
@@ -131,6 +132,7 @@ F_C_ROUTINES = \
     src/fspecframe.c \
     src/fspecmap.c \
     src/fsphmap.c \
+    src/fsplinemap.c \
     src/fstc.c \
     src/fstccatalogentrylocation.c \
     src/fstcobsdatalocation.c \
@@ -176,6 +178,7 @@ AST_H_FILES = \
           src/dssmap.h \
           src/grismmap.h \
           src/intramap.h \
+          src/splinemap.h \
           src/lutmap.h \
           src/mathmap.h \
           src/matrixmap.h \

ast.news

@@ -1,6 +1,6 @@
 AST Library
 -----------
-   A new release (V9.2.14) of the Starlink AST (astrometry) library is
+   A new release (V9.3.0) of the Starlink AST (astrometry) library is
 now available.
 
    AST provides a comprehensive range of facilities for attaching
@@ -17,6 +17,14 @@ environment-independent.
 Main Changes in this Version
 ----------------------------
 
+- A new subclass of Mapping, a SplineMap, has been added, which
+  represents a 2-in, 2-out Mapping defined by a pair of two-dimensional
+  B-spline surfaces.
+
+
+Main Changes in V9.2.14
+-----------------------
+
 - A bug that could cause astMapSplit to enter an infinite loop has been
   fixed.
 - A memory leak in the Moc class has been fixed.

ast_par.source

@@ -367,6 +367,10 @@ c      PARAMETER ( AST__UKERNN = 2 )
       INTEGER AST_SPHMAP
       LOGICAL AST_ISASPHMAP
 
+*  SplineMap class.
+      INTEGER AST_SPLINEMAP
+      LOGICAL AST_ISASPLINEMAP
+
 *  UnitMap class.
       INTEGER AST_UNITMAP
       LOGICAL AST_ISAUNITMAP