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build: fix MSVS2017 warning

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This commit is contained in:
Alexander Alekhin
2017-09-29 18:16:55 +03:00
committed by Alexander Alekhin
parent a9effeeb35
commit 1f18282f04
4 changed files with 14 additions and 4 deletions
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modules/core/src/ocl.cpp
+6 -1
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@@ -993,6 +993,11 @@ static cl_device_id selectOpenCLDevice()
return NULL;
}
#else
// std::tolower is int->int
static char char_tolower(char ch)
{
return (char)std::tolower((int)ch);
}
static cl_device_id selectOpenCLDevice()
{
std::string platform, deviceName;
@@ -1077,7 +1082,7 @@ static cl_device_id selectOpenCLDevice()
{
int deviceType = 0;
std::string tempStrDeviceType = deviceTypes[t];
std::transform( tempStrDeviceType.begin(), tempStrDeviceType.end(), tempStrDeviceType.begin(), tolower );
std::transform(tempStrDeviceType.begin(), tempStrDeviceType.end(), tempStrDeviceType.begin(), char_tolower);
if (tempStrDeviceType == "gpu" || tempStrDeviceType == "dgpu" || tempStrDeviceType == "igpu")
deviceType = Device::TYPE_GPU;