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Searched
defs:approx
(Results
1 - 5
of
5
) sorted by null
/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
);
/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
Completed in 113 milliseconds