From e921953374b1a4f4abeb1df5fac25a0a779149e2 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rico=20Sch=C3=BCller?= Date: Thu, 27 Sep 2012 12:14:18 +0200 Subject: [PATCH] d3dx9: Use float functions in D3DXQuaternionLn(). --- dlls/d3dx9_36/math.c | 18 +++++++++--------- 1 file changed, 9 insertions(+), 9 deletions(-) diff --git a/dlls/d3dx9_36/math.c b/dlls/d3dx9_36/math.c index 9be3011a8f7..8cce57e2570 100644 --- a/dlls/d3dx9_36/math.c +++ b/dlls/d3dx9_36/math.c @@ -1305,23 +1305,23 @@ D3DXQUATERNION* WINAPI D3DXQuaternionInverse(D3DXQUATERNION *pout, CONST D3DXQUA return pout; } -D3DXQUATERNION* WINAPI D3DXQuaternionLn(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq) +D3DXQUATERNION * WINAPI D3DXQuaternionLn(D3DXQUATERNION *out, const D3DXQUATERNION *q) { FLOAT t; - TRACE("(%p, %p)\n", pout, pq); + TRACE("out %p, q %p\n", out, q); - if ( (pq->w >= 1.0f) || (pq->w == -1.0f) ) + if ((q->w >= 1.0f) || (q->w == -1.0f)) t = 1.0f; else - t = acos( pq->w ) / sqrt( 1.0f - pq->w * pq->w ); + t = acosf(q->w) / sqrtf(1.0f - q->w * q->w); - pout->x = t * pq->x; - pout->y = t * pq->y; - pout->z = t * pq->z; - pout->w = 0.0f; + out->x = t * q->x; + out->y = t * q->y; + out->z = t * q->z; + out->w = 0.0f; - return pout; + return out; } D3DXQUATERNION* WINAPI D3DXQuaternionMultiply(D3DXQUATERNION *pout, CONST D3DXQUATERNION *pq1, CONST D3DXQUATERNION *pq2)