65 lines
3.4 KiB
C
65 lines
3.4 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ This program is free software; you can redistribute it and/or modify │
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│ it under the terms of the GNU General Public License as published by │
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│ the Free Software Foundation; version 2 of the License. │
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│ │
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│ This program is distributed in the hope that it will be useful, but │
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│ WITHOUT ANY WARRANTY; without even the implied warranty of │
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│ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU │
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│ General Public License for more details. │
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│ │
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│ You should have received a copy of the GNU General Public License │
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│ along with this program; if not, write to the Free Software │
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│ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA │
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│ 02110-1301 USA │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "dsp/core/core.h"
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#include "dsp/core/q.h"
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#include "libc/stdio/stdio.h"
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#include "libc/str/str.h"
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#include "libc/testlib/ezbench.h"
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#include "libc/testlib/testlib.h"
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long I[8];
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TEST(GetIntegerCoefficients8, testBt601Vectors) {
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const struct {
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int m, L, H;
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double r[8];
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long n[8];
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} V[] = {
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{8, 16, 235, {.299, .587, .114}, {77, 150, 29}},
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{9, 16, 235, {.299, .587, .114}, {153, 301, 58}},
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{10, 16, 235, {.299, .587, .114}, {306, 601, 117}},
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{11,
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16,
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235,
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{.299, .587, .114, 1, 1, 1},
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{612, 1202, 234, 2048, 2048, 2048}},
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{12, 16, 235, {.299, .587, .114}, {1225, 2404, 467}},
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{13, 16, 235, {.299, .587, .114}, {2449, 4809, 934}},
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{14, 16, 235, {.299, .587, .114}, {4899, 9617, 1868}},
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{15, 16, 235, {.299, .587, .114}, {9798, 19235, 3735}},
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{16, 16, 235, {.299, .587, .114}, {19595, 38470, 7471}},
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};
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long i, got[8];
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for (i = 0; i < ARRAYLEN(V); ++i) {
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GetIntegerCoefficients8(got, V[i].r, V[i].m, V[i].L, V[i].H);
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EXPECT_EQ(0, memcmp(V[i].n, got, sizeof(got)),
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"got={%ld,%ld,%ld,%ld,%ld,%ld}, want = { % ld, % ld, % ld, % ld, "
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"% ld, % ld } ",
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got[0], got[1], got[2], got[3], got[4], got[5], V[i].n[0],
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V[i].n[1], V[i].n[2], V[i].n[3], V[i].n[4], V[i].n[5]);
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}
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}
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BENCH(GetIntegerCoefficients8, bench) {
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double C[8] = {.299, .587, .114, .299, .587, .114, .114, .114};
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EZBENCH2("GetIntegerCoefficients8", donothing,
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GetIntegerCoefficients8(I, C, 11, 16, 232));
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}
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