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| author | gshchepa/uchum@gleb.loc <> | 2007-07-07 20:14:06 +0500 |
|---|---|---|
| committer | gshchepa/uchum@gleb.loc <> | 2007-07-07 20:14:06 +0500 |
| commit | e657075fcb6e5ca65cb0d84ad77266ef096f6493 (patch) | |
| tree | a95fb8d593c69b8db4fa05ae09a5b11c223c117c /sql/spatial.cc | |
| parent | 23a30b0c0aea7e7c2365cb375da85ccaaf362e07 (diff) | |
| parent | 5b1e1eeae5f0743d8f8f01010211432a17bb04b3 (diff) | |
| download | mariadb-git-e657075fcb6e5ca65cb0d84ad77266ef096f6493.tar.gz | |
Merge gleb.loc:/home/uchum/work/bk/5.0-opt
into gleb.loc:/home/uchum/work/bk/5.1-opt
Diffstat (limited to 'sql/spatial.cc')
| -rw-r--r-- | sql/spatial.cc | 23 |
1 files changed, 22 insertions, 1 deletions
diff --git a/sql/spatial.cc b/sql/spatial.cc index e0680ed182c..97e5fcfa27a 100644 --- a/sql/spatial.cc +++ b/sql/spatial.cc @@ -17,7 +17,28 @@ #ifdef HAVE_SPATIAL -#define MAX_DIGITS_IN_DOUBLE 16 +/* + exponential notation : + 1 sign + 1 number before the decimal point + 1 decimal point + 14 number of significant digits (see String::qs_append(double)) + 1 'e' sign + 1 exponent sign + 3 exponent digits + == + 22 + + "f" notation : + 1 optional 0 + 1 sign + 14 number significant digits (see String::qs_append(double) ) + 1 decimal point + == + 17 +*/ + +#define MAX_DIGITS_IN_DOUBLE 22 /***************************** Gis_class_info *******************************/ |