From c3bf781d6e30dc323297a38ff7b7a68f51e17a3c Mon Sep 17 00:00:00 2001
From: Erik Schnetter <schnetter@gmail.com>
Date: Sat, 17 Aug 2013 12:08:17 -0400
Subject: QPX: Correct copysign

---
 vec_qpx_double4.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/vec_qpx_double4.h b/vec_qpx_double4.h
index 118815d..1b52419 100644
--- a/vec_qpx_double4.h
+++ b/vec_qpx_double4.h
@@ -570,7 +570,7 @@ namespace vecmathlib {
     realvec atanh() const { return atanhd4(v); }
     realvec cbrt() const { return cbrtd4(v); }
     realvec ceil() const { return vec_ceil(v); }
-    realvec copysign(realvec y) const { return vec_cpsgn(v, y.v); }
+    realvec copysign(realvec y) const { return vec_cpsgn(y.v, v); }
     realvec cos() const { return cosd4(v); }
     realvec cosh() const { return coshd4(v); }
     realvec exp() const { return expd4(v); }
-- 
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