From 3adaef0094f36664ae069c20c2f8f0f8e90abf0c Mon Sep 17 00:00:00 2001
From: Jens Ahrensfeld <jens@jayfield.org>
Date: Thu, 16 Jun 2022 08:37:30 +0000
Subject: [PATCH] - STR: removed alternate impl

git-svn-id: http://moon:8086/svn/software/trunk/libsrc/radio@992 b431acfa-c32f-4a4a-93f1-934dc6c82436
---
 synchronization.c | 18 +++---------------
 synchronization.h |  1 -
 2 files changed, 3 insertions(+), 16 deletions(-)

diff --git a/synchronization.c b/synchronization.c
index ce37bc0..61ec962 100755
--- a/synchronization.c
+++ b/synchronization.c
@@ -91,7 +91,6 @@ void LeadLagSetState(lead_lag_filter_t *pObj, radio_float_t state)
 void STRGardnerInit(str_t *pObj)
 {
 	memset(pObj->d, 0, sizeof(pObj->d));
-	pObj->alternate_impl = 0;
 }
 
 radio_float_t STRGardnerProcess(str_t *pObj, cpx_t x)
@@ -101,20 +100,9 @@ radio_float_t STRGardnerProcess(str_t *pObj, cpx_t x)
 
 	pD = pObj->d;
 
-	if (pObj->alternate_impl)
-	{
-		t.real = (x.real - pD[1].real) * pD[0].real;
-		t.imag = (x.imag - pD[1].imag) * pD[0].imag;
-
-		radio_float_t sign = (t.real*t.imag) < 0 ? -1.0 : 1.0;
-		Vd = sqrt(fabs(t.real) * fabs(t.imag)) * sign;
-	}
-	else
-	{
-		t.real = (pD[1].real - x.real) * pD[0].real;
-		t.imag = (pD[1].imag - x.imag) * pD[0].imag;
-		Vd = (t.real + t.imag);
-	}
+	t.real = (pD[1].real - x.real) * pD[0].real;
+	t.imag = (pD[1].imag - x.imag) * pD[0].imag;
+	Vd = (t.real + t.imag);
 
 	// Adjust delay line
 	pD[1] = pD[0];
diff --git a/synchronization.h b/synchronization.h
index 34d8b6d..0cc1655 100755
--- a/synchronization.h
+++ b/synchronization.h
@@ -32,7 +32,6 @@ typedef struct _lead_lag_coeff_t
 typedef struct _str_t
 {
 	cpx_t d[2];
-	int alternate_impl;
 
 } str_t;