Searched refs:celt_exp2 (Results 1 – 7 of 7) sorted by relevance
| /external/libopus/celt/tests/ |
| D | test_unit_mathops.c | 162 float error = fabs(x-(1.442695040888963387*log(celt_exp2(x)))); in testexp2()
176 float error = fabs(x-(celt_log2(celt_exp2(x)))); in testexp2log2()
204 float error1 = fabs(x/1024.0-(1.442695040888963387*log(celt_exp2(x)/65536.0))); in testexp2()
205 float error2 = fabs(exp(0.6931471805599453094*x/1024.0)-celt_exp2(x)/65536.0); in testexp2()
219 float error = fabs(x-0.25*celt_exp2(celt_log2(x)))/16384; in testexp2log2()
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| /external/libopus/celt/ |
| D | mathops.h | 148 static OPUS_INLINE float celt_exp2(float x) in celt_exp2() function
169 #define celt_exp2(x) ((float)exp(0.6931471805599453094*(x))) macro
234 static OPUS_INLINE opus_val32 celt_exp2(opus_val16 x) in celt_exp2() function
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| D | bands.c | 230 g = celt_exp2(MIN32(32.f, lg)); in denormalise_bands()
289 thresh32 = SHR32(celt_exp2(-SHL16(depth, 10-BITRES)),1); in anti_collapse()
299 thresh = .5f*celt_exp2(-.125f*depth); in anti_collapse()
324 opus_val32 r32 = SHR32(celt_exp2(-EXTRACT16(Ediff)),1); in anti_collapse()
336 r = 2.f*celt_exp2(-Ediff); in anti_collapse()
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| D | celt_encoder.c | 1095 importance[i] = PSHR32(13*celt_exp2(MIN16(follower[i], QCONST16(4.f, DB_SHIFT))), 16); in dynalloc_analysis()
1097 importance[i] = (int)floor(.5f+13*celt_exp2(MIN16(follower[i], QCONST16(4.f, DB_SHIFT)))); in dynalloc_analysis()
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| /external/libopus/doc/ |
| D | opus_update.patch | 48 eBands[i+c*m->nbEBands] = PSHR32(celt_exp2(lg),4);
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| /external/libopus/src/ |
| D | opus_decoder.c | 598 gain = celt_exp2(MULT16_16_P15(QCONST16(6.48814081e-4f, 25), st->decode_gain)); in opus_decode_frame()
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| D | opus_encoder.c | 1698 HB_gain = Q15ONE - SHR32(celt_exp2(-celt_rate * QCONST16(1.f/1024, 10)), 1); in opus_encode_native()
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