Make the band-splitter and splitter-allpass filters templated

With float and double explicit instantiations

1 files changed, 16 insertions, 12 deletions

diff --git a/Alc/filters/splitter.h b/Alc/filters/splitter.h
index b39c3491..e1122577 100644
--- a/Alc/filters/splitter.h
+++ b/Alc/filters/splitter.h
@@ -6,30 +6,34 @@
 
 
 /* Band splitter. Splits a signal into two phase-matching frequency bands. */
-class BandSplitter {
-    float coeff{0.0f};
-    float lp_z1{0.0f};
-    float lp_z2{0.0f};
-    float ap_z1{0.0f};
+template<typename Real>
+class BandSplitterR {
+    Real coeff{0.0f};
+    Real lp_z1{0.0f};
+    Real lp_z2{0.0f};
+    Real ap_z1{0.0f};
 
 public:
-    void init(float f0norm);
+    void init(Real f0norm);
     void clear() noexcept { lp_z1 = lp_z2 = ap_z1 = 0.0f; }
-    void process(float *RESTRICT hpout, float *RESTRICT lpout, const float *input, int count);
+    void process(Real *RESTRICT hpout, Real *RESTRICT lpout, const Real *input, int count);
 };
+using BandSplitter = BandSplitterR<float>;
 
 /* The all-pass portion of the band splitter. Applies the same phase shift
  * without splitting the signal.
  */
-class SplitterAllpass {
-    float coeff{0.0f};
-    float z1{0.0f};
+template<typename Real>
+class SplitterAllpassR {
+    Real coeff{0.0f};
+    Real z1{0.0f};
 
 public:
-    void init(float f0norm);
+    void init(Real f0norm);
     void clear() noexcept { z1 = 0.0f; }
-    void process(float *RESTRICT samples, int count);
+    void process(Real *RESTRICT samples, int count);
 };
+using SplitterAllpass = SplitterAllpassR<float>;
 
 
 struct FrontStablizer {