34 lines
855 B
C
34 lines
855 B
C
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#include <stdio.h>
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void STARCH_BENCHMARK(subtract_n) (void)
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{
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uint16_t *in = NULL, *out = NULL;
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const unsigned len = 65536;
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const unsigned n = 42;
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if (!(in = STARCH_BENCHMARK_ALLOC(len, uint16_t)) || !(out = STARCH_BENCHMARK_ALLOC(len, uint16_t))) {
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goto done;
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}
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STARCH_BENCHMARK_RUN( subtract_n, in, len, n, out );
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done:
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STARCH_BENCHMARK_FREE(in);
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STARCH_BENCHMARK_FREE(out);
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}
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bool STARCH_BENCHMARK_VERIFY(subtract_n)(const uint16_t *in, unsigned len, uint16_t n, uint16_t *out)
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{
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bool okay = true;
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for (unsigned i = 0; i < len; ++i) {
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uint16_t expected = in[i] - n;
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if (out[i] != expected) {
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fprintf(stderr, "verification failed: in[%u]=%u n=%u out[%u]=%u expected=%u\n", i, in[i], n, i, out[i], expected);
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okay = false;
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}
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}
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return okay;
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}
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