math.points: move to extra

diff --git a/basis/math/points/points.factor b/basis/math/points/points.factor
deleted file mode 100644 (file)
index 107e81d..0000000
--- a/basis/math/points/points.factor
+++ /dev/null
@@ -1,26 +0,0 @@
-USING: kernel arrays math.vectors sequences math ;
-
-IN: math.points
-
-<PRIVATE
-
-: X ( x -- point )      0   0 3array ;
-: Y ( y -- point ) 0 swap   0 3array ;
-: Z ( z -- point ) 0    0 rot 3array ;
-
-PRIVATE>
-
-: v+x ( seq x -- seq ) X v+ ;
-: v-x ( seq x -- seq ) X v- ;
-
-: v+y ( seq y -- seq ) Y v+ ;
-: v-y ( seq y -- seq ) Y v- ;
-
-: v+z ( seq z -- seq ) Z v+ ;
-: v-z ( seq z -- seq ) Z v- ;
-
-: rise ( pt2 pt1 -- n ) [ second ] bi@ - ;
-: run ( pt2 pt1 -- n ) [ first ] bi@ - ;
-: slope ( pt pt -- slope ) [ rise ] [ run ] 2bi / ;
-: midpoint ( point point -- point ) v+ 2 v/n ;
-: linear-solution ( pt pt -- x ) [ drop first2 ] [ slope ] 2bi / - ;
\ No newline at end of file

diff --git a/extra/math/points/points.factor b/extra/math/points/points.factor
new file mode 100644 (file)
index 0000000..107e81d
--- /dev/null
+++ b/extra/math/points/points.factor
@@ -0,0 +1,26 @@
+USING: kernel arrays math.vectors sequences math ;
+
+IN: math.points
+
+<PRIVATE
+
+: X ( x -- point )      0   0 3array ;
+: Y ( y -- point ) 0 swap   0 3array ;
+: Z ( z -- point ) 0    0 rot 3array ;
+
+PRIVATE>
+
+: v+x ( seq x -- seq ) X v+ ;
+: v-x ( seq x -- seq ) X v- ;
+
+: v+y ( seq y -- seq ) Y v+ ;
+: v-y ( seq y -- seq ) Y v- ;
+
+: v+z ( seq z -- seq ) Z v+ ;
+: v-z ( seq z -- seq ) Z v- ;
+
+: rise ( pt2 pt1 -- n ) [ second ] bi@ - ;
+: run ( pt2 pt1 -- n ) [ first ] bi@ - ;
+: slope ( pt pt -- slope ) [ rise ] [ run ] 2bi / ;
+: midpoint ( point point -- point ) v+ 2 v/n ;
+: linear-solution ( pt pt -- x ) [ drop first2 ] [ slope ] 2bi / - ;
\ No newline at end of file