Changeset 27817 for trunk/Ohana/src/libdvo

Timestamp:

May 2, 2010, 11:23:11 AM (16 years ago)

Author:

eugene

Message:

create match2d function in dvo; allow kapa bg to be "none"; better help on "break"; fit1 and fit2d recast the vectors; histogram can create an output index vector

Location:

trunk/Ohana/src/libdvo

Files:

• include/dvo.h (modified) (1 diff)
• src/dvosorts.c (modified) (1 diff)

trunk/Ohana/src/libdvo/include/dvo.h

@@ -443 +443 @@
 void sort_image_subset (Image *image, off_t *subset, off_t N);
 void sort_coords_index (double *X, double *Y, off_t *S, off_t N);
+void sort_coords_indexonly (double *X, double *Y, off_t *S, off_t N);
 void sort_regions (SkyRegion *region, off_t N);
 

trunk/Ohana/src/libdvo/src/dvosorts.c

@@ -46 +46 @@
 }
 
+/* sort a coordinate pair (X,Y) and the associated index (S) */
+void sort_coords_indexonly (double *X, double *Y, off_t *S, off_t N) {
+  
+# define SWAPFUNC(A,B){ off_t itmp; \
+  itmp = S[A]; S[A] = S[B]; S[B] = itmp; \
+}
+# define COMPARE(A,B)(X[S[A]] < X[S[B]])
+
+  OHANA_SORT (N, COMPARE, SWAPFUNC);
+
+# undef SWAPFUNC
+# undef COMPARE
+
+}
+
 void sort_regions (SkyRegion *region, off_t N) {