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perf expr: Allow exponents on floating point values

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Pass the optional exponent component through to strtod that already
supports it. We already have exponents in ScaleUnit and so this adds
uniformity.

Reported-by: Zhengjun Xing <zhengjun.xing@linux.intel.com>
Reviewed-By: Kajol Jain <kjain@linux.ibm.com>
Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Cc: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20220527020653.4160884-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Ian Rogers 2022-05-26 19:06:53 -07:00 • committed by Arnaldo Carvalho de Melo
parent b236371421
commit e5287e6dd3
2 changed files with 3 additions and 1 deletions
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2
tools/perf/tests/expr.c
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@ -97,6 +97,8 @@ static int test__expr(struct test_suite *t __maybe_unused, int subtest __maybe_u
ret |= test(ctx, "2.2 > 2.2", 0);
ret |= test(ctx, "2.2 < 1.1", 0);
ret |= test(ctx, "1.1 > 2.2", 0);
ret |= test(ctx, "1.1e10 < 1.1e100", 1);
ret |= test(ctx, "1.1e2 > 1.1e-2", 1);
if (ret) {
expr__ctx_free(ctx);