kc3-lang/gnulib/doc/posix-functions/strtof.texi

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• Hash : 01a485ed
  Author :
  Date : 2024-02-21T22:45:47
  

  strtof: New module.
  
  * lib/stdlib.in.h (strtof): New declaration.
  * lib/strtod.c: Support USE_FLOAT.
  * lib/strtof.c: New file.
  * m4/strtof.m4: New file, based on m4/strtod.m4.
  * m4/ldexpf.m4 (gl_CHECK_LDEXPF_NO_LIBM): New macro, based on
  m4/ldexp.m4.
  * m4/stdlib_h.m4 (gl_STDLIB_H_REQUIRE_DEFAULTS): Initialize
  GNULIB_STRTOF.
  * modules/stdlib (Makefile.am): Substitute GNULIB_STRTOF, HAVE_STRTOF,
  REPLACE_STRTOF.
  * modules/strtof: New file.
  * tests/test-stdlib-c++.cc (strtof): Check signature.
  * doc/posix-functions/strtof.texi: Mention the new module and the bugs
  that it fixes.
  (gl_STDLIB_H_DEFAULTS): Initialize HAVE_STRTOF, REPLACE_STRTOF.
  

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• doc/posix-functions/strtof.texi

• @node strtof
  @section @code{strtof}
  @findex strtof
  
  POSIX specification:@* @url{https://pubs.opengroup.org/onlinepubs/9699919799/functions/strtof.html}
  
  Gnulib module: strtof
  
  Portability problems fixed by Gnulib:
  @itemize
  @item
  This function is missing on some platforms:
  NetBSD 3.0, OpenBSD 3.8, Minix 3.1.8, HP-UX 11, IRIX 6.5, Solaris 9, MSVC 9, Android 4.4.
  
  @item
  This function returns the wrong end pointer for @samp{-0x} on some
  platforms:
  glibc 2.4, Mac OS X 10.5, FreeBSD 6.2.
  
  @item
  This function fails to parse @samp{NaN()} on some platforms:
  glibc-2.5, FreeBSD 6.2.
  @end itemize
  
  Portability problems not fixed by Gnulib:
  @itemize
  @item
  This function returns +0.0 (not @minus{}0.0) for negative underflow on some
  platforms:
  glibc 2.7, mingw, MSVC 14.
  
  @item
  This function cannot distinguish between ``nan'' and ``-nan'' on some
  platforms:
  glibc 2.7, mingw, MSVC 14.
  
  @item
  This function fails to correctly parse very long strings on some
  platforms:
  Mac OS X 10.5, FreeBSD 6.2, NetBSD 5.0, Cygwin, mingw, MSVC 14.
  
  @item
  The replacement function does not always return correctly rounded results.
  @end itemize
  

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