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/PHP-7.1/ext/gd/libgd/
H A Dgd.c360 HWBType HWB1, HWB2; in HWB_Diff() local
366 RGB_to_HWB(RGB1, &HWB1); in HWB_Diff()
374 if ((HWB1.H == HWB_UNDEFINED) || (HWB2.H == HWB_UNDEFINED)) { in HWB_Diff()
377 diff = fabsf(HWB1.H - HWB2.H); in HWB_Diff()
383 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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