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70354dd560
Attempting to make hashfloat4() look as much as possible like hashfloat8(), I'd figured I could replace NaNs with get_float4_nan() before widening to float8. However, results from protosciurus and topminnow show that on some platforms that produces a different bit-pattern from get_float8_nan(), breaking the intent of ce773f230. Rearrange so that we use the result of get_float8_nan() for all NaN cases. As before, back-patch.
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: https://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. 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 https://www.postgresql.org/download/. For more information look at our web site located at https://www.postgresql.org/.