| /frameworks/base/media/libstagefright/codecs/amrnb/common/src/ |
| div_32.cpp | 123 1. Find 1/L_denom by first approximating: approx = 1 / denom_hi.
124 2. 1/L_denom = approx * (2.0 - L_denom * approx ).
174 Word16 approx; local
183 approx = div_s((Word16) 0x3fff, L_denom_hi);
185 /* 1/L_denom = approx * (2.0 - L_denom * approx) */
187 result = Mpy_32_16(L_denom_hi, L_denom_lo, approx, pOverflow);
194 result = Mpy_32_16(hi, lo, approx, pOverflow);
|
| /external/webrtc/src/common_audio/signal_processing_library/main/source/ |
| division_operations.c | 103 WebRtc_Word16 approx, tmp_hi, tmp_low, num_hi, num_low; local
106 approx = (WebRtc_Word16)WebRtcSpl_DivW32W16((WebRtc_Word32)0x1FFFFFFF, den_hi);
109 // tmpW32 = 1/den = approx * (2.0 - den * approx) (in Q30)
110 tmpW32 = (WEBRTC_SPL_MUL_16_16(den_hi, approx) << 1)
111 + ((WEBRTC_SPL_MUL_16_16(den_low, approx) >> 15) << 1);
112 // tmpW32 = den * approx
114 tmpW32 = (WebRtc_Word32)0x7fffffffL - tmpW32; // result in Q30 (tmpW32 = 2.0-(den*approx))
122 tmpW32 = ((WEBRTC_SPL_MUL_16_16(tmp_hi, approx) + (WEBRTC_SPL_MUL_16_16(tmp_low, approx)
[all...] |
| /frameworks/base/media/libstagefright/codecs/amrwbenc/src/ |
| oper_32b.c | 188 * First approximation: approx = 1 / denom_hi *
189 * 1/L_denom = approx * (2.0 - L_denom * approx ) *
197 Word16 approx, hi, lo, n_hi, n_lo; local
202 approx = div_s ((Word16) 0x3fff, denom_hi);
204 /* 1/L_denom = approx * (2.0 - L_denom * approx) */
206 L_32 = Mpy_32_16 (denom_hi, denom_lo, approx);
212 L_32 = Mpy_32_16 (hi, lo, approx);
|
| /frameworks/base/media/libstagefright/codecs/aacenc/basic_op/ |
| oper_32b.c | 172 * First approximation: approx = 1 / denom_hi *
173 * 1/L_denom = approx * (2.0 - L_denom * approx ) *
181 Word16 approx; local
185 approx = div_s ((Word16) 0x3fff, denom >> 16);
187 /* 1/L_denom = approx * (2.0 - L_denom * approx) */
189 L_32 = L_mpy_ls (denom, approx);
193 L_32 = L_mpy_ls (L_32, approx);
|
| /external/mksh/src/ |
| histrap.c | 372 hist_get(const char *str, bool approx, bool allow_cur)
380 if (approx)
387 if (approx)
|
| /prebuilt/linux-x86/toolchain/i686-linux-glibc2.7-4.4.3/sysroot/usr/include/X11/extensions/ |
| XKBgeom.h | 112 XkbOutlinePtr approx; member in struct:_XkbShape
|
| /external/dropbear/libtomcrypt/ |
| crypt.tex | 19 \def\approx{\raisebox{0.2ex}{\mbox{\small $\sim$}}}
[all...] |
| /external/dropbear/libtommath/ |
| bn.tex | 17 \def\approx{\raisebox{0.2ex}{\mbox{\small $\sim$}}}
[all...] |
