diff --git a/dlls/d3dx9_24/d3dx9_24.spec b/dlls/d3dx9_24/d3dx9_24.spec
index c93ac300c3c..3cd695ab86d 100644
--- a/dlls/d3dx9_24/d3dx9_24.spec
+++ b/dlls/d3dx9_24/d3dx9_24.spec
@@ -196,7 +196,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_25/d3dx9_25.spec b/dlls/d3dx9_25/d3dx9_25.spec
index 73f24f10191..74b013d51c4 100644
--- a/dlls/d3dx9_25/d3dx9_25.spec
+++ b/dlls/d3dx9_25/d3dx9_25.spec
@@ -196,7 +196,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_26/d3dx9_26.spec b/dlls/d3dx9_26/d3dx9_26.spec
index 1cba7478356..a06efef2422 100644
--- a/dlls/d3dx9_26/d3dx9_26.spec
+++ b/dlls/d3dx9_26/d3dx9_26.spec
@@ -200,7 +200,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_27/d3dx9_27.spec b/dlls/d3dx9_27/d3dx9_27.spec
index 1cba7478356..a06efef2422 100644
--- a/dlls/d3dx9_27/d3dx9_27.spec
+++ b/dlls/d3dx9_27/d3dx9_27.spec
@@ -200,7 +200,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_28/d3dx9_28.spec b/dlls/d3dx9_28/d3dx9_28.spec
index 5aa96547678..6b837dcaf34 100644
--- a/dlls/d3dx9_28/d3dx9_28.spec
+++ b/dlls/d3dx9_28/d3dx9_28.spec
@@ -200,7 +200,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_29/d3dx9_29.spec b/dlls/d3dx9_29/d3dx9_29.spec
index 5aa96547678..6b837dcaf34 100644
--- a/dlls/d3dx9_29/d3dx9_29.spec
+++ b/dlls/d3dx9_29/d3dx9_29.spec
@@ -200,7 +200,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_30/d3dx9_30.spec b/dlls/d3dx9_30/d3dx9_30.spec
index 5aa96547678..6b837dcaf34 100644
--- a/dlls/d3dx9_30/d3dx9_30.spec
+++ b/dlls/d3dx9_30/d3dx9_30.spec
@@ -200,7 +200,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_31/d3dx9_31.spec b/dlls/d3dx9_31/d3dx9_31.spec
index aa5b46ba127..9e5e2e3a26a 100644
--- a/dlls/d3dx9_31/d3dx9_31.spec
+++ b/dlls/d3dx9_31/d3dx9_31.spec
@@ -197,7 +197,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_32/d3dx9_32.spec b/dlls/d3dx9_32/d3dx9_32.spec
index 5caba72dae5..54abbd96324 100644
--- a/dlls/d3dx9_32/d3dx9_32.spec
+++ b/dlls/d3dx9_32/d3dx9_32.spec
@@ -197,7 +197,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_33/d3dx9_33.spec b/dlls/d3dx9_33/d3dx9_33.spec
index 5caba72dae5..54abbd96324 100644
--- a/dlls/d3dx9_33/d3dx9_33.spec
+++ b/dlls/d3dx9_33/d3dx9_33.spec
@@ -197,7 +197,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_34/d3dx9_34.spec b/dlls/d3dx9_34/d3dx9_34.spec
index 5caba72dae5..54abbd96324 100644
--- a/dlls/d3dx9_34/d3dx9_34.spec
+++ b/dlls/d3dx9_34/d3dx9_34.spec
@@ -197,7 +197,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH
diff --git a/dlls/d3dx9_35/d3dx9_35.spec b/dlls/d3dx9_35/d3dx9_35.spec
index 5caba72dae5..54abbd96324 100644
--- a/dlls/d3dx9_35/d3dx9_35.spec
+++ b/dlls/d3dx9_35/d3dx9_35.spec
@@ -197,7 +197,7 @@
 @ stdcall D3DXMatrixAffineTransformation(ptr long ptr ptr ptr) d3dx9_36.D3DXMatrixAffineTransformation
 @ stdcall D3DXMatrixAffineTransformation2D(ptr long ptr long ptr) d3dx9_36.D3DXMatrixAffineTransformation2D
 @ stdcall D3DXMatrixDecompose(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixDecompose
-@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixfDeterminant
+@ stdcall D3DXMatrixDeterminant(ptr) d3dx9_36.D3DXMatrixDeterminant
 @ stdcall D3DXMatrixInverse(ptr ptr ptr) d3dx9_36.D3DXMatrixInverse
 @ stdcall D3DXMatrixLookAtLH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtLH
 @ stdcall D3DXMatrixLookAtRH(ptr ptr ptr ptr) d3dx9_36.D3DXMatrixLookAtRH