Index: Src/Packages/Samples/OculusVR/Src/Main.cpp
===================================================================
--- Src/Packages/Samples/OculusVR/Src/Main.cpp	(revision 145739)
+++ Src/Packages/Samples/OculusVR/Src/Main.cpp	(working copy)
@@ -292,7 +292,7 @@
             // Animate the cube
             static float cubePositionClock = 0;
             if (sessionStatus.HasInputFocus) // Pause the application if we are not supposed to have input.
-                roomScene->Models[0]->Pos = XMFLOAT3(9 * sin(cubePositionClock), 3, 9 * cos(cubePositionClock += 0.015f));
+                roomScene->Models[0]->Pos = XMFLOAT3(9 * sinf(cubePositionClock), 3, 9 * cosf(cubePositionClock += 0.015f));
             
             // Call ovr_GetRenderDesc each frame to get the ovrEyeRenderDesc, as the returned values (e.g. HmdToEyePose) may change at runtime.
             ovrEyeRenderDesc eyeRenderDesc[2];
Index: Src/Packages/Samples/OculusVR/Src/Win32_DirectXAppUtil.h
===================================================================
--- Src/Packages/Samples/OculusVR/Src/Win32_DirectXAppUtil.h	(revision 145739)
+++ Src/Packages/Samples/OculusVR/Src/Win32_DirectXAppUtil.h	(working copy)
@@ -452,7 +452,7 @@
         for (int k = 0; k < 3; k++)
         {
             float rgb = ((float)((*linear >> (k * 8)) & 0xff)) / 255.0f;
-            rgb = pow(rgb, 2.2f);
+            rgb = powf(rgb, 2.2f);
             drgb[k] = (uint32_t)(rgb * 255.0f);
         }
         *linear = (*linear & 0xff000000) + (drgb[2] << 16) + (drgb[1] << 8) + (drgb[0] << 0);
@@ -658,7 +658,7 @@
 
     uint32_t ModifyColor(uint32_t c, XMFLOAT3 pos)
     {
-        #define GetLengthLocal(v)  (sqrt(v.x*v.x + v.y*v.y + v.z*v.z))
+        #define GetLengthLocal(v)  (sqrtf(v.x*v.x + v.y*v.y + v.z*v.z))
         float dist1 = GetLengthLocal(XMFLOAT3(pos.x - (-2), pos.y - (4), pos.z - (-2)));
         float dist2 = GetLengthLocal(XMFLOAT3(pos.x - (3),  pos.y - (4), pos.z - (-3)));
         float dist3 = GetLengthLocal(XMFLOAT3(pos.x - (-4), pos.y - (3), pos.z - (25)));