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/third_party/backends/backend/
H A Dplustek-usbshading.c670 double dRatio, dAmp; in usb_GetNewGain() local
681 dRatio = ((double) m_dwIdealGain * dAmp / wMax - 0.93) / 0.067; in usb_GetNewGain()
682 if(ceil(dRatio) > 0x3f) in usb_GetNewGain()
685 dwInc = (u_long)((0.93 + ceil (dRatio) * 0.067) * wMax / dAmp); in usb_GetNewGain()
686 dwDec = (u_long)((0.93 + floor (dRatio) * 0.067) * wMax / dAmp); in usb_GetNewGain()
689 bGain = (u_char)floor(dRatio); in usb_GetNewGain()
691 bGain = (u_char)ceil(dRatio); in usb_GetNewGain()
696 dRatio = m_dwIdealGain / (wMax / dAmp); in usb_GetNewGain()
697 dAmp = floor((dRatio / 3 - 0.93)/0.067); in usb_GetNewGain()

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