From f8ac1ffe805b13c8b1cd2bc4d4a8362cbe1c2cbe Mon Sep 17 00:00:00 2001
From: Chris Robinson <chris.kcat@gmail.com>
Date: Thu, 27 Jan 2022 02:59:07 -0800
Subject: Get rid of MathDefs
---
core/bsinc_tables.cpp | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
(limited to 'core/bsinc_tables.cpp')
diff --git a/core/bsinc_tables.cpp b/core/bsinc_tables.cpp
index ff73c301..a81167d2 100644
--- a/core/bsinc_tables.cpp
+++ b/core/bsinc_tables.cpp
@@ -9,8 +9,8 @@
#include <memory>
#include <stdexcept>
+#include "alnumbers.h"
#include "core/mixer/defs.h"
-#include "math_defs.h"
namespace {
@@ -28,7 +28,7 @@ constexpr double Sinc(const double x)
constexpr double epsilon{std::numeric_limits<double>::epsilon()};
if(!(x > epsilon || x < -epsilon))
return 1.0;
- return std::sin(al::MathDefs<double>::Pi()*x) / (al::MathDefs<double>::Pi()*x);
+ return std::sin(al::numbers::pi*x) / (al::numbers::pi*x);
}
/* The zero-order modified Bessel function of the first kind, used for the
@@ -87,9 +87,9 @@ constexpr double Kaiser(const double beta, const double k, const double besseli_
constexpr double CalcKaiserWidth(const double rejection, const uint order) noexcept
{
if(rejection > 21.19)
- return (rejection - 7.95) / (order * 2.285 * al::MathDefs<double>::Tau());
+ return (rejection - 7.95) / (2.285 * al::numbers::pi*2.0 * order);
/* This enforces a minimum rejection of just above 21.18dB */
- return 5.79 / (order * al::MathDefs<double>::Tau());
+ return 5.79 / (al::numbers::pi*2.0 * order);
}
/* Calculates the beta value of the Kaiser window. Rejection is in dB. */
--
cgit v1.2.3