David Adam : d3drm: Implement D3DRMVectorCrossProduct.
Alexandre Julliard
julliard at wine.codeweavers.com
Mon Apr 23 14:26:19 CDT 2007
Module: wine
Branch: master
Commit: d152211e21846a0db29da5e5ef92634f25d7be0f
URL: http://source.winehq.org/git/wine.git/?a=commit;h=d152211e21846a0db29da5e5ef92634f25d7be0f
Author: David Adam <David.Adam at math.cnrs.fr>
Date: Thu Apr 19 21:06:54 2007 +0200
d3drm: Implement D3DRMVectorCrossProduct.
---
dlls/d3drm/d3drm.spec | 2 +-
dlls/d3drm/math.c | 9 +++++++++
dlls/d3drm/tests/vector.c | 5 +++++
3 files changed, 15 insertions(+), 1 deletions(-)
diff --git a/dlls/d3drm/d3drm.spec b/dlls/d3drm/d3drm.spec
index 0041265..4347160 100644
--- a/dlls/d3drm/d3drm.spec
+++ b/dlls/d3drm/d3drm.spec
@@ -9,7 +9,7 @@
@ stub D3DRMQuaternionMultiply
@ stub D3DRMQuaternionSlerp
@ stdcall D3DRMVectorAdd(ptr ptr ptr)
-@ stub D3DRMVectorCrossProduct
+@ stdcall D3DRMVectorCrossProduct(ptr ptr ptr)
@ stub D3DRMVectorDotProduct
@ stub D3DRMVectorModulus
@ stub D3DRMVectorNormalize
diff --git a/dlls/d3drm/math.c b/dlls/d3drm/math.c
index fd5b490..39b96d0 100644
--- a/dlls/d3drm/math.c
+++ b/dlls/d3drm/math.c
@@ -49,3 +49,12 @@ LPD3DVECTOR WINAPI D3DRMVectorSubtract(LPD3DVECTOR d, LPD3DVECTOR s1, LPD3DVECTO
d->z=s1->z - s2->z;
return d;
}
+
+/* Cross Product of Two Vectors */
+LPD3DVECTOR WINAPI D3DRMVectorCrossProduct(LPD3DVECTOR d, LPD3DVECTOR s1, LPD3DVECTOR s2)
+{
+ d->x=s1->y * s2->z - s1->z * s2->y;
+ d->y=s1->z * s2->x - s1->x * s2->z;
+ d->z=s1->x * s2->y - s1->y * s2->x;
+ return d;
+}
diff --git a/dlls/d3drm/tests/vector.c b/dlls/d3drm/tests/vector.c
index 68deea4..52c81e8 100644
--- a/dlls/d3drm/tests/vector.c
+++ b/dlls/d3drm/tests/vector.c
@@ -46,6 +46,11 @@ void VectorTest(void)
D3DRMVectorSubtract(&r,&u,&v);
e.x=-2.0;e.y=-2.0;e.z=1.0;
expect_vec(e,r);
+
+/*_______________________VectorCrossProduct_______________________*/
+ D3DRMVectorCrossProduct(&r,&u,&v);
+ e.x=-4.0;e.y=4.0;e.z=0.0;
+ expect_vec(e,r);
}
START_TEST(vector)
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