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merge(3p/absl): subtree merge of Abseil up to e19260f

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... notably, this includes Abseil's own StatusOr type, which
conflicted with our implementation (that was taken from TensorFlow).

Change-Id: Ie7d6764b64055caaeb8dc7b6b9d066291e6b538f
This commit is contained in:
Vincent Ambo 2020-11-21 14:43:54 +01:00
parent cc27324d02
commit 082c006c04
854 changed files with 11260 additions and 5296 deletions
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25
third_party/abseil_cpp/absl/time/duration.cc vendored
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@ -69,6 +69,7 @@
#include "absl/base/casts.h"
#include "absl/base/macros.h"
#include "absl/numeric/int128.h"
#include "absl/strings/string_view.h"
#include "absl/strings/strip.h"
#include "absl/time/time.h"
@ -355,7 +356,7 @@ namespace time_internal {
// the remainder. If it does not saturate, the remainder remain accurate,
// but the returned quotient will over/underflow int64_t and should not be used.
int64_t IDivDuration(bool satq, const Duration num, const Duration den,
Duration* rem) {
Duration* rem) {
int64_t q = 0;
if (IDivFastPath(num, den, &q, rem)) {
return q;
@ -710,16 +711,17 @@ char* Format64(char* ep, int width, int64_t v) {
// fractional digits, because it is in the noise of what a Duration can
// represent.
struct DisplayUnit {
const char* abbr;
absl::string_view abbr;
int prec;
double pow10;
};
const DisplayUnit kDisplayNano = {"ns", 2, 1e2};
const DisplayUnit kDisplayMicro = {"us", 5, 1e5};
const DisplayUnit kDisplayMilli = {"ms", 8, 1e8};
const DisplayUnit kDisplaySec = {"s", 11, 1e11};
const DisplayUnit kDisplayMin = {"m", -1, 0.0}; // prec ignored
const DisplayUnit kDisplayHour = {"h", -1, 0.0}; // prec ignored
ABSL_CONST_INIT const DisplayUnit kDisplayNano = {"ns", 2, 1e2};
ABSL_CONST_INIT const DisplayUnit kDisplayMicro = {"us", 5, 1e5};
ABSL_CONST_INIT const DisplayUnit kDisplayMilli = {"ms", 8, 1e8};
ABSL_CONST_INIT const DisplayUnit kDisplaySec = {"s", 11, 1e11};
ABSL_CONST_INIT const DisplayUnit kDisplayMin = {"m", -1, 0.0}; // prec ignored
ABSL_CONST_INIT const DisplayUnit kDisplayHour = {"h", -1,
0.0}; // prec ignored
void AppendNumberUnit(std::string* out, int64_t n, DisplayUnit unit) {
char buf[sizeof("2562047788015216")]; // hours in max duration
@ -727,7 +729,7 @@ void AppendNumberUnit(std::string* out, int64_t n, DisplayUnit unit) {
char* bp = Format64(ep, 0, n);
if (*bp != '0' || bp + 1 != ep) {
out->append(bp, ep - bp);
out->append(unit.abbr);
out->append(unit.abbr.data(), unit.abbr.size());
}
}
@ -750,7 +752,7 @@ void AppendNumberUnit(std::string* out, double n, DisplayUnit unit) {
while (ep[-1] == '0') --ep;
out->append(bp, ep - bp);
}
out->append(unit.abbr);
out->append(unit.abbr.data(), unit.abbr.size());
}
}
@ -761,7 +763,8 @@ void AppendNumberUnit(std::string* out, double n, DisplayUnit unit) {
// form "72h3m0.5s". Leading zero units are omitted. As a special
// case, durations less than one second format use a smaller unit
// (milli-, micro-, or nanoseconds) to ensure that the leading digit
// is non-zero. The zero duration formats as 0, with no unit.
// is non-zero.
// Unlike Go, we format the zero duration as 0, with no unit.
std::string FormatDuration(Duration d) {
const Duration min_duration = Seconds(kint64min);
if (d == min_duration) {