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/ohos5.0/foundation/graphic/graphic_2d/rosen/modules/composer/vsync/src/
H A Dvsync_sampler.cpp304 double deltaAvgX = 0; in ComputePhaseLocked() local
308 deltaAvgX += cos(delta); in ComputePhaseLocked()
312 deltaAvgX /= double(numSamples_ - 1); in ComputePhaseLocked()
315 phase_ = int64_t(::atan2(deltaAvgY, deltaAvgX) / scale); in ComputePhaseLocked()