d3dx9: Get rid of redundant temporary variable in D3DXQuaternionInverse.

Signed-off-by: Paul Gofman <gofmanp@gmail.com> Signed-off-by: Matteo Bruni <mbruni@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

d3dx9: Get rid of redundant temporary variable in D3DXQuaternionInverse.
a67b43c1 · Paul Gofman · Alexandre Julliard · 97bbf747 · a67b43c1
Commit a67b43c1 authored Apr 14, 2016 by Paul Gofman Committed by Alexandre Julliard Apr 18, 2016
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math.c dlls/d3dx9_36/math.c +4 -7

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--- a/dlls/d3dx9_36/math.c
+++ b/dlls/d3dx9_36/math.c
@@ -1376,19 +1376,16 @@ D3DXQUATERNION * WINAPI D3DXQuaternionExp(D3DXQUATERNION *out, const D3DXQUATERN

 D3DXQUATERNION* WINAPI D3DXQuaternionInverse(D3DXQUATERNION *pout, const D3DXQUATERNION *pq)
 {
-    D3DXQUATERNION out;
    FLOAT norm;

    TRACE("pout %p, pq %p\n", pout, pq);

    norm = D3DXQuaternionLengthSq(pq);

-    out.x = -pq->x / norm;
-    out.y = -pq->y / norm;
-    out.z = -pq->z / norm;
-    out.w = pq->w / norm;
-
-    *pout =out;
+    pout->x = -pq->x / norm;
+    pout->y = -pq->y / norm;
+    pout->z = -pq->z / norm;
+    pout->w = pq->w / norm;
    return pout;
 }