Update LedDevicePhilipsHue.cpp
Changed "isnan" to "std::isnan"
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@ -105,10 +105,10 @@ CiColor PhilipsHueLight::rgbToCiColor(float red, float green, float blue) {
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// Convert to x,y space.
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float cx = X / (X + Y + Z);
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float cy = Y / (X + Y + Z);
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if (isnan(cx)) {
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if (std::isnan(cx)) {
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cx = 0.0f;
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}
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if (isnan(cy)) {
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if (std::isnan(cy)) {
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cy = 0.0f;
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}
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// Brightness is simply Y in the XYZ space.
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