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/php-src/ext/gd/libgd/
H A Dgd.c368 HWBType HWB1, HWB2; in HWB_Diff() local
375 RGB_to_HWB(RGB2, &HWB2); in HWB_Diff()
382 if ((HWB1.H == HWB_UNDEFINED) || (HWB2.H == HWB_UNDEFINED)) { in HWB_Diff()
385 diff = fabsf(HWB1.H - HWB2.H); in HWB_Diff()
391 diff = diff * diff + (HWB1.W - HWB2.W) * (HWB1.W - HWB2.W) + (HWB1.B - HWB2.B) * (HWB1.B - HWB2.B); in HWB_Diff()

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