From d2e34e509bfc3d99c8db03dccf43806c5957bc23 Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Sun, 6 Jan 2019 04:45:35 -0800
Subject: Make the band-splitter and splitter-allpass filters templated

With float and double explicit instantiations
---
 Alc/filters/splitter.h | 28 ++++++++++++++++------------
 1 file changed, 16 insertions(+), 12 deletions(-)

(limited to 'Alc/filters/splitter.h')

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 {
-- 
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