Use floats in gain and decibel conversion routines

2 files changed, 9 insertions, 9 deletions

diff --git a/src/hardware/adlib_gold.cpp b/src/hardware/adlib_gold.cpp
index 2367df1bf..dfc964cc4 100644
--- a/src/hardware/adlib_gold.cpp
+++ b/src/hardware/adlib_gold.cpp
@@ -151,13 +151,13 @@ void StereoProcessor::ControlWrite(const StereoProcessorControlReg reg,
                                    const uint8_t data)
 {
 	auto calc_volume_gain = [](const int value) {
-		constexpr auto min_gain_db = -128.0;
-		constexpr auto max_gain_db = 6.0;
-		constexpr auto step_db     = 2.0;
+		constexpr auto min_gain_db = -128.0f;
+		constexpr auto max_gain_db = 6.0f;
+		constexpr auto step_db     = 2.0f;
 
-		auto val     = value - volume_0db_value;
+		auto val     = static_cast<float>(value - volume_0db_value);
 		auto gain_db = clamp(val * step_db, min_gain_db, max_gain_db);
-		return static_cast<float>(decibel_to_gain(gain_db));
+		return decibel_to_gain(gain_db);
 	};
 
 	auto calc_filter_gain_db = [](const int value) {
diff --git a/src/hardware/mixer.cpp b/src/hardware/mixer.cpp
index fb8f9ab99..8d6b34af1 100644
--- a/src/hardware/mixer.cpp
+++ b/src/hardware/mixer.cpp
@@ -2366,10 +2366,10 @@ private:
 		                        const std::string &chorus) {
 			WriteOut(column_layout.c_str(),
 			         name.c_str(),
-			         volume.left * 100.0f,
-			         volume.right * 100.0f,
-			         gain_to_decibel(volume.left),
-			         gain_to_decibel(volume.right),
+			         static_cast<double>(volume.left * 100.0f),
+			         static_cast<double>(volume.right * 100.0f),
+			         static_cast<double>(gain_to_decibel(volume.left)),
+			         static_cast<double>(gain_to_decibel(volume.right)),
 			         mode.c_str(),
 			         xfeed.c_str(),
 			         reverb.c_str(),