mirror of git://gcc.gnu.org/git/gcc.git
fab2c75b73
Use the value of the first element as the initial value of the __valarray_sum accumulator. Value-initialization might not create the additive identity for the value type. Make a similar change to __valarray_product even though it's only ever used internally with a value_type of size_t. PR libstdc++/87641 * include/bits/valarray_array.h (__valarray_sum): Use first element to initialize accumulator instead of value-initializing it. (__valarray_product<_Tp>): Move to ... * src/c++98/valarray.cc (__valarray_product<_Tp>): Here. Use first element to initialize accumulator. (__valarray_product(const valarray<size_t>&)): Remove const_cast made unnecessary by LWG 389. * testsuite/26_numerics/valarray/87641.cc: New test. From-SVN: r265270 |
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README
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.