| Line | Branch | Exec | Source |
|---|---|---|---|
| 1 | /* | ||
| 2 | * This file is part of FFmpeg. | ||
| 3 | * | ||
| 4 | * FFmpeg is free software; you can redistribute it and/or | ||
| 5 | * modify it under the terms of the GNU Lesser General Public | ||
| 6 | * License as published by the Free Software Foundation; either | ||
| 7 | * version 2.1 of the License, or (at your option) any later version. | ||
| 8 | * | ||
| 9 | * FFmpeg is distributed in the hope that it will be useful, | ||
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
| 12 | * Lesser General Public License for more details. | ||
| 13 | * | ||
| 14 | * You should have received a copy of the GNU Lesser General Public | ||
| 15 | * License along with FFmpeg; if not, write to the Free Software | ||
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
| 17 | */ | ||
| 18 | |||
| 19 | #include "libavutil/libm.h" | ||
| 20 | #include "libavcodec/celp_math.c" | ||
| 21 | |||
| 22 | 1 | static inline void IsAlmostEqual(float A, float B, float epsilon) | |
| 23 | { | ||
| 24 | 1 | float diff = fabsf(A - B); | |
| 25 | 1 | float absa = fabsf(A); | |
| 26 | 1 | float absb = fabsf(B); | |
| 27 |
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1 | float largest = (absb > absa) ? absb : absa; |
| 28 |
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1 | av_assert0(diff <= largest * epsilon); |
| 29 | 1 | } | |
| 30 | |||
| 31 | 1 | int main(void) | |
| 32 | { | ||
| 33 | int i; | ||
| 34 | 1 | const float f1[3] = {0.0, 1.1, 2.2}; | |
| 35 | 1 | const float f2[3] = {3.3, 4.4, 5.5}; | |
| 36 | 1 | const int16_t i1[3] = {6, 7, 8}; | |
| 37 | 1 | const int16_t i2[3] = {9, 10, 11}; | |
| 38 | |||
| 39 | 1 | float r = ff_dot_productf(f1, f2, FF_ARRAY_ELEMS(f1)); | |
| 40 | 1 | int64_t d = ff_dot_product(i1, i2, FF_ARRAY_ELEMS(i1)); | |
| 41 | |||
| 42 | 1 | IsAlmostEqual(16.94f, r, 0.000001f); | |
| 43 |
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1 | av_assert0(212 == d); |
| 44 | |||
| 45 |
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12 | for (i = 1024; i >= 1; i/=2) |
| 46 |
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11 | av_assert0(ff_log2_q15(i) == (1<<15)*((int)log2(i))+(1<<2)); |
| 47 | |||
| 48 | 1 | return 0; | |
| 49 | } | ||
| 50 |