Lines Matching refs:dAmp
670 double dRatio, dAmp;
677 dAmp = 0.93 + 0.067 * dev->usbDev.a_bRegs[0x3b+channel];
679 if((m_dwIdealGain / (wMax / dAmp)) < 3) {
681 dRatio = ((double) m_dwIdealGain * dAmp / wMax - 0.93) / 0.067;
685 dwInc = (u_long)((0.93 + ceil (dRatio) * 0.067) * wMax / dAmp);
686 dwDec = (u_long)((0.93 + floor (dRatio) * 0.067) * wMax / dAmp);
696 dRatio = m_dwIdealGain / (wMax / dAmp);
697 dAmp = floor((dRatio / 3 - 0.93)/0.067);
699 if( dAmp > 31 )
700 dAmp = 31;
702 bGain = (u_char)dAmp + 32;
2197 static void usb_ResizeWhiteShading( double dAmp, u_short *pwShading, int iGain )
2202 DBG( _DBG_INFO2, "ResizeWhiteShading: dAmp=%.3f, iGain=%i\n", dAmp, iGain );
2207 (pwShading[dw] + 1) * dAmp) * iGain / 1000;