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-rw-r--r--tksao/frame/fitsimage.C6
1 files changed, 4 insertions, 2 deletions
diff --git a/tksao/frame/fitsimage.C b/tksao/frame/fitsimage.C
index 43ba208..f9fe867 100644
--- a/tksao/frame/fitsimage.C
+++ b/tksao/frame/fitsimage.C
@@ -4146,12 +4146,14 @@ Vector3d FitsImage::wcsTran(AstFrameSet* ast, const Vector3d& in, int forward)
#endif
#ifndef NEWWCS
-double FitsImage::wcsDistance(AstFrameSet* ast, Vector vv1, Vector vv2)
+double FitsImage::wcsDistance(AstFrameSet* ast, const Vector& vv1,
+ const Vector& vv2)
{
return astDistance(ast, vv1.v, vv2.v);
}
#else
-double FitsImage::wcsDistance(AstFrameSet* ast, Vector vv1, Vector vv2)
+double FitsImage::wcsDistance(AstFrameSet* ast, const Vector& vv1,
+ const Vector& vv2)
{
int naxes = astGetI(ast,"Naxes");
switch (naxes) {