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Performance optimizations for binning (#283)

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* Add an all-mvt_value attribute accumulation path

* Only bin by ID, not geometrically

* A little cleanup; changelog and version; test

* Remove accidental double-conversion

* Replace duplicated code with template

* Update changelog
This commit is contained in:
Erica Fischer
2024-11-01 15:27:13 -07:00
committed by GitHub
parent 120b8f4e41
commit b3b89e1e07
9 changed files with 105 additions and 68 deletions
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mvt.hpp
+17 -2
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@@ -76,6 +76,9 @@ enum mvt_value_type {
mvt_no_such_key,
};
struct mvt_value;
double mvt_value_to_double(mvt_value const &v);
struct mvt_value {
mvt_value_type type;
std::shared_ptr<std::string> s;
@@ -95,7 +98,11 @@ struct mvt_value {
} numeric_value;
std::string get_string_value() const {
return std::string(*s, numeric_value.string_value.off, numeric_value.string_value.len);
if (type == mvt_string) {
return std::string(*s, numeric_value.string_value.off, numeric_value.string_value.len);
} else {
return toString();
}
}
std::string_view get_string_view() const {
@@ -126,6 +133,10 @@ struct mvt_value {
type == mvt_sint;
}
double to_double() const {
return mvt_value_to_double(*this);
}
bool operator<(const mvt_value &o) const;
bool operator==(const mvt_value &o) const;
std::string toString() const;
@@ -134,6 +145,11 @@ struct mvt_value {
this->type = mvt_double;
this->numeric_value.double_value = 0;
}
mvt_value(double v) {
this->type = mvt_double;
this->numeric_value.double_value = v;
}
};
template <>
@@ -201,7 +217,6 @@ int dezig(unsigned n);
mvt_value stringified_to_mvt_value(int type, const char *s, std::shared_ptr<std::string> const &tile_stringpool);
long long mvt_value_to_long_long(mvt_value const &v);
double mvt_value_to_double(mvt_value const &v);
bool is_integer(const char *s, long long *v);
bool is_unsigned_integer(const char *s, unsigned long long *v);