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On some platforms, strtod() reports ERANGE for a denormalized value (ie, one that can be represented as distinct from zero, but is too small to have full precision). On others, it doesn't. It seems better to try to accept these values consistently, so add a test to see if the result value indicates a true out-of-range condition. This should be okay per Single Unix Spec. On machines where the underlying math isn't IEEE standard, the behavior for such small numbers may not be very consistent, but then it wouldn't be anyway. Marti Raudsepp, after a proposal by Jeroen Vermeulen |
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PostgreSQL Database Management System ===================================== This directory contains the source code distribution of the PostgreSQL database management system. PostgreSQL is an advanced object-relational database management system that supports an extended subset of the SQL standard, including transactions, foreign keys, subqueries, triggers, user-defined types and functions. This distribution also contains C language bindings. PostgreSQL has many language interfaces, many of which are listed here: http://www.postgresql.org/download See the file INSTALL for instructions on how to build and install PostgreSQL. That file also lists supported operating systems and hardware platforms and contains information regarding any other software packages that are required to build or run the PostgreSQL system. Changes between all PostgreSQL releases are recorded in the file HISTORY. Copyright and license information can be found in the file COPYRIGHT. A comprehensive documentation set is included in this distribution; it can be read as described in the installation instructions. The latest version of this software may be obtained at http://www.postgresql.org/download/. For more information look at our web site located at http://www.postgresql.org/.