David Adam : d3dx8: Implement D3DXVec2Subtract with a test.
Alexandre Julliard
julliard at winehq.org
Tue Oct 16 07:59:57 CDT 2007
Module: wine
Branch: master
Commit: 43d13935d8e5cb2b2b774b94a0fcf2da9cf25cac
URL: http://source.winehq.org/git/wine.git/?a=commit;h=43d13935d8e5cb2b2b774b94a0fcf2da9cf25cac
Author: David Adam <David.Adam at math.cnrs.fr>
Date: Sun Oct 14 19:22:17 2007 +0200
d3dx8: Implement D3DXVec2Subtract with a test.
---
dlls/d3dx8/tests/math.c | 10 ++++++++++
include/d3dx8math.h | 1 +
include/d3dx8math.inl | 8 ++++++++
3 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/dlls/d3dx8/tests/math.c b/dlls/d3dx8/tests/math.c
index 01e8edb..85a1cb7 100644
--- a/dlls/d3dx8/tests/math.c
+++ b/dlls/d3dx8/tests/math.c
@@ -87,6 +87,16 @@ static void D3X8Vector2Test(void)
got = D3DXVec2LengthSq(NULL);
ok(fabs( got - expected ) < admitted_error, "Expected: %f, Got: %f\n", expected, got);
+/*_______________D3DXVec2Subtract__________________________*/
+ expectedvec.x = 10.0f; expectedvec.y = -5.0f;
+ D3DXVec2Subtract(&gotvec,&u,&v);
+ expect_vec(expectedvec,gotvec);
+ /* Tests the case NULL */
+ funcpointer = D3DXVec2Subtract(&gotvec,NULL,&v);
+ ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
+ funcpointer = D3DXVec2Subtract(NULL,NULL,NULL);
+ ok(funcpointer == NULL, "Expected: %p, Got: %p\n", NULL, funcpointer);
+
}
START_TEST(math)
diff --git a/include/d3dx8math.h b/include/d3dx8math.h
index 5dfb0fd..e1c25a1 100644
--- a/include/d3dx8math.h
+++ b/include/d3dx8math.h
@@ -63,5 +63,6 @@ FLOAT D3DXVec2CCW(CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2);
FLOAT D3DXVec2Dot(CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2);
FLOAT D3DXVec2Length(CONST D3DXVECTOR2 *pv);
FLOAT D3DXVec2LengthSq(CONST D3DXVECTOR2 *pv);
+D3DXVECTOR2* D3DXVec2Subtract(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2);
#endif /* __D3DX8MATH_H__ */
diff --git a/include/d3dx8math.inl b/include/d3dx8math.inl
index 4579db2..bafee45 100644
--- a/include/d3dx8math.inl
+++ b/include/d3dx8math.inl
@@ -51,4 +51,12 @@ extern inline FLOAT D3DXVec2LengthSq(CONST D3DXVECTOR2 *pv)
return( (pv->x) * (pv->x) + (pv->y) * (pv->y) );
}
+extern inline D3DXVECTOR2* D3DXVec2Subtract(D3DXVECTOR2 *pout, CONST D3DXVECTOR2 *pv1, CONST D3DXVECTOR2 *pv2)
+{
+ if ( !pout || !pv1 || !pv2) return NULL;
+ pout->x = pv1->x - pv2->x;
+ pout->y = pv1->y - pv2->y;
+ return pout;
+}
+
#endif
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