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fix exponential notation parsing (#857)

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MihailRis 2026-07-07 18:52:35 +03:00 • committed by GitHub
commit b024b6cddf
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2 changed files with 25 additions and 2 deletions
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21
src/coders/BasicParser.inl
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@ -22,9 +22,26 @@ namespace {
} }
inline double power(double base, int64_t power) { inline double power(double base, int64_t power) {
if (power == 0) {
return 1.0;
}
uint64_t exp;
if (power < 0) {
base = 1.0 / base;
exp = static_cast<uint64_t>(-(power + 1)) + 1;
} else {
exp = static_cast<uint64_t>(power);
}
double result = 1.0; double result = 1.0;
for (int64_t i = 0; i < power; i++) {
result *= base; while (exp > 0) {
if (exp & 1)
result *= base;
base *= base;
exp >>= 1;
} }
return result; return result;
} }

6
test/coders/json.cpp
View file

@ -8,6 +8,8 @@ TEST(JSON, EncodeDecode) {
const int bytesSize = 20; const int bytesSize = 20;
const int year = 2019; const int year = 2019;
const float score = 3.141592; const float score = 3.141592;
const double distance = 1.23e45;
const double epsilon = 1e-6;
const bool visible = true; const bool visible = true;
dv::objects::Bytes srcBytes(bytesSize); dv::objects::Bytes srcBytes(bytesSize);
for (int i = 0; i < bytesSize; i ++) { for (int i = 0; i < bytesSize; i ++) {
@ -20,6 +22,8 @@ TEST(JSON, EncodeDecode) {
object["name"] = name; object["name"] = name;
object["year"] = year; object["year"] = year;
object["score"] = score; object["score"] = score;
object["distance"] = distance;
object["epsilon"] = epsilon;
object["visible"] = visible; object["visible"] = visible;
object["data"] = srcBytes; object["data"] = srcBytes;
@ -30,6 +34,8 @@ TEST(JSON, EncodeDecode) {
EXPECT_EQ(object["name"].asString(), name); EXPECT_EQ(object["name"].asString(), name);
EXPECT_EQ(object["year"].asInteger(), year); EXPECT_EQ(object["year"].asInteger(), year);
EXPECT_FLOAT_EQ(object["score"].asNumber(), score); EXPECT_FLOAT_EQ(object["score"].asNumber(), score);
EXPECT_DOUBLE_EQ(object["distance"].asNumber(), distance);
EXPECT_DOUBLE_EQ(object["epsilon"].asNumber(), epsilon);
EXPECT_EQ(object["visible"].asBoolean(), visible); EXPECT_EQ(object["visible"].asBoolean(), visible);
auto b64string = object["data"].asString(); auto b64string = object["data"].asString();