diff --git a/TODO b/TODO
index 7faf4de2..6d1bf00f 100644
--- a/TODO
+++ b/TODO
@@ -1,5 +1,3 @@
-- need to update docs, c++ binding
-
 - test suite is broken, float->int mask I guess
 
 - looks like we have a race in tiled threadcache? see 
diff --git a/cplusplus/include/vips/vips-operators.h b/cplusplus/include/vips/vips-operators.h
index e51f4cd9..5e61f149 100644
--- a/cplusplus/include/vips/vips-operators.h
+++ b/cplusplus/include/vips/vips-operators.h
@@ -1,5 +1,5 @@
 // headers for vips operations
-// Tue Oct  6 16:54:32 BST 2015
+// Sat Nov  7 20:36:13 GMT 2015
 // this file is generated automatically, do not edit!
 
 static void system( char * cmd_format , VOption *options = 0 )
@@ -102,6 +102,8 @@ VImage extract_band( int band , VOption *options = 0 )
     throw( VError );
 static VImage bandjoin( std::vector<VImage> in , VOption *options = 0 )
     throw( VError );
+VImage bandjoin_const( std::vector<double> c , VOption *options = 0 )
+    throw( VError );
 static VImage bandrank( std::vector<VImage> in , VOption *options = 0 )
     throw( VError );
 VImage bandmean( VOption *options = 0 )
@@ -280,6 +282,12 @@ void fitssave( char * filename , VOption *options = 0 )
     throw( VError );
 VImage shrink( double xshrink , double yshrink , VOption *options = 0 )
     throw( VError );
+VImage shrinkh( int xshrink , VOption *options = 0 )
+    throw( VError );
+VImage shrinkv( int yshrink , VOption *options = 0 )
+    throw( VError );
+VImage shrink2( double xshrink , double yshrink , VOption *options = 0 )
+    throw( VError );
 VImage quadratic( VImage coeff , VOption *options = 0 )
     throw( VError );
 VImage affine( std::vector<double> matrix , VOption *options = 0 )
diff --git a/cplusplus/vips-operators.cpp b/cplusplus/vips-operators.cpp
index b3cf91f2..e6a9c298 100644
--- a/cplusplus/vips-operators.cpp
+++ b/cplusplus/vips-operators.cpp
@@ -1,5 +1,5 @@
 // bodies for vips operations
-// Tue Oct  6 16:53:55 BST 2015
+// Sat Nov  7 20:36:01 GMT 2015
 // this file is generated automatically, do not edit!
 
 void VImage::system( char * cmd_format , VOption *options )
@@ -696,6 +696,20 @@ VImage VImage::bandjoin( std::vector<VImage> in , VOption *options )
     return( out );
 }
 
+VImage VImage::bandjoin_const( std::vector<double> c , VOption *options )
+    throw( VError )
+{
+    VImage out;
+
+    call( "bandjoin_const" ,
+        (options ? options : VImage::option()) ->
+            set( "in", *this ) ->
+            set( "out", &out ) ->
+            set( "c", c ) );
+
+    return( out );
+}
+
 VImage VImage::bandrank( std::vector<VImage> in , VOption *options )
     throw( VError )
 {
@@ -1858,6 +1872,49 @@ VImage VImage::shrink( double xshrink , double yshrink , VOption *options )
     return( out );
 }
 
+VImage VImage::shrinkh( int xshrink , VOption *options )
+    throw( VError )
+{
+    VImage out;
+
+    call( "shrinkh" ,
+        (options ? options : VImage::option()) ->
+            set( "in", *this ) ->
+            set( "out", &out ) ->
+            set( "xshrink", xshrink ) );
+
+    return( out );
+}
+
+VImage VImage::shrinkv( int yshrink , VOption *options )
+    throw( VError )
+{
+    VImage out;
+
+    call( "shrinkv" ,
+        (options ? options : VImage::option()) ->
+            set( "in", *this ) ->
+            set( "out", &out ) ->
+            set( "yshrink", yshrink ) );
+
+    return( out );
+}
+
+VImage VImage::shrink2( double xshrink , double yshrink , VOption *options )
+    throw( VError )
+{
+    VImage out;
+
+    call( "shrink2" ,
+        (options ? options : VImage::option()) ->
+            set( "in", *this ) ->
+            set( "out", &out ) ->
+            set( "xshrink", xshrink ) ->
+            set( "yshrink", yshrink ) );
+
+    return( out );
+}
+
 VImage VImage::quadratic( VImage coeff , VOption *options )
     throw( VError )
 {
diff --git a/doc/function-list.xml b/doc/function-list.xml
index 4f3e374e..5bf42e9f 100644
--- a/doc/function-list.xml
+++ b/doc/function-list.xml
@@ -333,6 +333,11 @@
   <entry>bandwise join a set of images</entry>
   <entry>vips_bandjoin(), vips_bandjoin2()</entry>
 </row>
+<row>
+  <entry>bandjoin_const</entry>
+  <entry>appendd a set of constants to an image</entry>
+  <entry>vips_bandjoin_const(), vips_bandjoin_const1()</entry>
+</row>
 <row>
   <entry>bandrank</entry>
   <entry>band-wise rank of a set of images</entry>