diff --git a/libvips/resample/reduceh.cpp b/libvips/resample/reduceh.cpp
index 73ddab38..07ddff32 100644
--- a/libvips/resample/reduceh.cpp
+++ b/libvips/resample/reduceh.cpp
@@ -498,7 +498,7 @@ vips_reduceh_build( VipsObject *object )
 				VIPS_INTERPOLATE_SCALE;
 
 #ifdef DEBUG
-		printf( "vips_reduceh_build: mask %d\n    ", x ); 
+		printf( "vips_reduceh_build: mask %d\n    ", x );
 		for( int i = 0; i < reduceh->n_point; i++ )
 			printf( "%d ", reduceh->matrixi[x][i] );
 		printf( "\n" ); 
diff --git a/libvips/resample/reducev.cpp b/libvips/resample/reducev.cpp
index a704f739..7f876433 100644
--- a/libvips/resample/reducev.cpp
+++ b/libvips/resample/reducev.cpp
@@ -553,8 +553,8 @@ vips_reducev_gen( VipsRegion *out_region, void *vseq,
 	for( int y = 0; y < r->height; y ++ ) { 
 		VipsPel *q = 
 			VIPS_REGION_ADDR( out_region, r->left, r->top + y );
-		const int py = (int) Y; 
-		VipsPel *p = VIPS_REGION_ADDR( ir, r->left, py ); 
+		const int py = (int) Y;
+		VipsPel *p = VIPS_REGION_ADDR( ir, r->left, py );
 		const int sy = Y * VIPS_TRANSFORM_SCALE * 2;
 		const int siy = sy & (VIPS_TRANSFORM_SCALE * 2 - 1);
 		const int ty = (siy + 1) >> 1;
@@ -678,7 +678,7 @@ vips_reducev_vector_gen( VipsRegion *out_region, void *vseq,
 	for( int y = 0; y < r->height; y ++ ) { 
 		VipsPel *q = 
 			VIPS_REGION_ADDR( out_region, r->left, r->top + y );
-		const int py = (int) Y; 
+		const int py = (int) Y;
 		const int sy = Y * VIPS_TRANSFORM_SCALE * 2;
 		const int siy = sy & (VIPS_TRANSFORM_SCALE * 2 - 1);
 		const int ty = (siy + 1) >> 1;
@@ -872,7 +872,7 @@ vips_reducev_build( VipsObject *object )
 				VIPS_INTERPOLATE_SCALE;
 
 #ifdef DEBUG
-		printf( "vips_reducev_build: mask %d\n    ", y ); 
+		printf( "vips_reducev_build: mask %d\n    ", y );
 		for( int i = 0; i < reducev->n_point; i++ ) 
 			printf( "%d ", reducev->matrixi[y][i] );
 		printf( "\n" ); 
diff --git a/libvips/resample/templates.h b/libvips/resample/templates.h
index b64737df..d60144ba 100644
--- a/libvips/resample/templates.h
+++ b/libvips/resample/templates.h
@@ -322,7 +322,7 @@ calculate_coefficients_triangle( double *c,
 	/* Needs to be in sync with vips_reduce_get_points().
 	 */
 	const int n_points = 2 * rint( shrink ) + 1;
-        const double half = x + n_points / 2.0 - 1;
+	const double half = x + n_points / 2.0 - 1;
 
 	int i;
 	double sum; 
@@ -360,7 +360,7 @@ calculate_coefficients_cubic( double *c,
 	/* Needs to be in sync with vips_reduce_get_points().
 	 */
 	const int n_points = 2 * rint( 2 * shrink ) + 1; 
-        const double half = x + n_points / 2.0 - 1;
+	const double half = x + n_points / 2.0 - 1;
 
 	int i;
 	double sum; 
@@ -409,14 +409,14 @@ calculate_coefficients_lanczos( double *c,
 	/* Needs to be in sync with vips_reduce_get_points().
 	 */
 	const int n_points = 2 * rint( a * shrink ) + 1; 
-        const double half = x + n_points / 2.0 - 1;
+	const double half = x + n_points / 2.0 - 1;
 
 	int i;
 	double sum; 
 
 	sum = 0;
 	for( i = 0; i < n_points; i++ ) {
-		double xp = (i - half) / shrink;
+		const double xp = (i - half) / shrink;
 
 		double l;