Get rid of MathDefs

1 files changed, 2 insertions, 2 deletions

diff --git a/alc/effects/autowah.cpp b/alc/effects/autowah.cpp
index f496eb51..46cc8fb0 100644
--- a/alc/effects/autowah.cpp
+++ b/alc/effects/autowah.cpp
@@ -28,6 +28,7 @@
 
 #include "alc/effects/base.h"
 #include "almalloc.h"
+#include "alnumbers.h"
 #include "alnumeric.h"
 #include "alspan.h"
 #include "core/ambidefs.h"
@@ -38,7 +39,6 @@
 #include "core/effectslot.h"
 #include "core/mixer.h"
 #include "intrusive_ptr.h"
-#include "math_defs.h"
 
 
 namespace {
@@ -159,7 +159,7 @@ void AutowahState::process(const size_t samplesToDo,
         env_delay = lerp(sample, env_delay, a);
 
         /* Calculate the cos and alpha components for this sample's filter. */
-        w0 = minf((bandwidth*env_delay + freq_min), 0.46f) * al::MathDefs<float>::Tau();
+        w0 = minf((bandwidth*env_delay + freq_min), 0.46f) * (al::numbers::pi_v<float>*2.0f);
         mEnv[i].cos_w0 = std::cos(w0);
         mEnv[i].alpha = std::sin(w0)/(2.0f * QFactor);
     }