[PATCH] Fix the condition in D3DX8MatrixIsIdentity with a test

[David Adam]

---
 dlls/d3dx8/tests/math.c |    4 ++++
 include/d3dx8math.inl   |    5 ++---
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/dlls/d3dx8/tests/math.c b/dlls/d3dx8/tests/math.c
index 0e70183..4fd1960 100644
--- a/dlls/d3dx8/tests/math.c
+++ b/dlls/d3dx8/tests/math.c
@@ -141,6 +141,10 @@ static void D3DXMatrixTest(void)
     expected =3D TRUE;
     got =3D D3DXMatrixIsIdentity(&mat);
     ok(expected =3D=3D got, "Expected : %d, Got : %d\n", expected, got);
+    mat.m[1][1] =3D 0.000009f;
+    expected =3D FALSE;
+    got =3D D3DXMatrixIsIdentity(&mat);
+    ok(expected =3D=3D got, "Expected : %d, Got : %d\n", expected, got);
     /* Test the NULL case */
     expected =3D FALSE;
     got =3D D3DXMatrixIsIdentity(NULL);
diff --git a/include/d3dx8math.inl b/include/d3dx8math.inl
index 4df1f9e..26d409a 100644
--- a/include/d3dx8math.inl
+++ b/include/d3dx8math.inl
@@ -346,7 +346,6 @@ static inline BOOL D3DXMatrixIsIdentity(D3DXMATRIX *pm)
 {
     int i,j;
     D3DXMATRIX testmatrix;
-    BOOL equal=3DTRUE;
=20
     if ( !pm ) return FALSE;
     D3DXMatrixIdentity(&testmatrix);
@@ -354,10 +353,10 @@ static inline BOOL D3DXMatrixIsIdentity(D3DXMATRIX *pm=
)
     {
      for (j=3D0; j<4; j++)
      {
-      if ( fabs(pm->m[i][j] - testmatrix.m[i][j]) > 0.0001 ) equal =3D FALS=
E;
+      if ( pm->m[i][j] !=3D testmatrix.m[i][j] ) return FALSE;
      }
     }
-    return equal;
+    return TRUE;
 }
=20
 /*__________________D3DXPLANE____________________*/
--=20
1.5.3.2


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