Fix C4244 MSVC warnings.

cmake/EthCompilerSettings.cmake

@@ -33,12 +33,10 @@ elseif ("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
 	# enable parallel compilation
 	# specify Exception Handling Model
 	# enable LTCG for faster builds
-	# disable qualifier applied to function type has no meaning; ignored (4180)
-	# disable conversion from 'type1' to 'type2', possible loss of data (4244)
-	# disable conversion from 'size_t' to 'type', possible loss of data (4267)
-	# disable C++ exception specification ignored except to indicate a function is not __declspec(nothrow) (4290)
-	# disable decorated name length exceeded, name was truncated (4503)
-	add_compile_options(/MP /EHsc /GL /wd4180 /wd4244 /wd4267 /wd4290 /wd4503)
+	# disable conversion from 'size_t' to 'type', possible loss of data (C4267)
+	# disable C++ exception specification ignored except to indicate a function is not __declspec(nothrow) (C4290)
+	# disable decorated name length exceeded, name was truncated (C4503)
+	add_compile_options(/MP /EHsc /GL /wd4267 /wd4290 /wd4503)
 
 	# enable LTCG for faster builds
 	set(CMAKE_STATIC_LINKER_FLAGS "${CMAKE_STATIC_LINKER_FLAGS} /LTCG")

libethcore/Farm.h

@@ -208,7 +208,7 @@ class Farm: public FarmFace
             m_lastProgresses.push_back(p);
 
         // We smooth the hashrate over the last x seconds
-        int allMs = 0;
+        uint64_t allMs = 0;
         for (auto const& cp : m_lastProgresses)
             allMs += cp.ms;
 
@@ -439,7 +439,7 @@ class Farm: public FarmFace
 	bool b_lastMixed = false;
 
 	std::chrono::steady_clock::time_point m_lastStart;
-	int m_hashrateSmoothInterval = 10000;
+	uint64_t m_hashrateSmoothInterval = 10000;
 	std::thread m_serviceThread;  ///< The IO service thread.
 	boost::asio::io_service m_io_service;
 	boost::asio::deadline_timer m_hashrateTimer;

libhwmon/wrapadl.cpp

@@ -287,7 +287,7 @@ int wrap_adl_get_power_usage(wrap_adl_handle *adlh, int gpuindex, unsigned int*
 
 	int power = 0;
 	rc = adlh->adl2Overdrive6CurrentPowerGet(adlh->context, adlh->phys_logi_device_id[gpuindex], 0, &power);
-	*miliwatts = power * 3.90625;
+	*miliwatts = (unsigned int)(power * 3.90625);
 	return rc;
 }
 

libhwmon/wrapamdsysfs.cpp

@@ -312,7 +312,7 @@ int wrap_amdsysfs_get_fanpcnt(wrap_amdsysfs_handle *sysfsh, int index, unsigned
 		gpuindex, hwmonindex);
 	getFileContentValue(dbuf, pwmMin);
 
-	*fanpcnt = double(pwm - pwmMin) / double(pwmMax - pwmMin) * 100.0;
+	*fanpcnt = (unsigned int)(double(pwm - pwmMin) / double(pwmMax - pwmMin) * 100.0);
 	return 0;
 }