Description:
A GNU-like <fenv.h>.
It nearly conforms to C99 and to C23.

Files:
lib/fenv.in.h
m4/fenv_h.m4

Depends-on:
gen-header
include_next
snippet/c++defs
snippet/warn-on-use

configure.ac:
gl_FENV_H
gl_FENV_H_REQUIRE_DEFAULTS
AC_PROG_MKDIR_P

Makefile.am:
BUILT_SOURCES += fenv.h

# We need the following in order to create an override of <fenv.h>.
fenv.h: fenv.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H)
@NMD@	$(AM_V_GEN)$(MKDIR_P) '%reldir%'
	$(gl_V_at)$(SED_HEADER_STDOUT) \
	      -e 's|@''GUARD_PREFIX''@|${gl_include_guard_prefix}|g' \
	      -e 's/@''HAVE_FENV_H''@/$(HAVE_FENV_H)/g' \
	      -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
	      -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
	      -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
	      -e 's|@''NEXT_FENV_H''@|$(NEXT_FENV_H)|g' \
	      -e 's/@''GNULIB_FECLEAREXCEPT''@/$(GNULIB_FECLEAREXCEPT)/g' \
	      -e 's/@''GNULIB_FEDISABLEEXCEPT''@/$(GNULIB_FEDISABLEEXCEPT)/g' \
	      -e 's/@''GNULIB_FEENABLEEXCEPT''@/$(GNULIB_FEENABLEEXCEPT)/g' \
	      -e 's/@''GNULIB_FEGETENV''@/$(GNULIB_FEGETENV)/g' \
	      -e 's/@''GNULIB_FEGETEXCEPT''@/$(GNULIB_FEGETEXCEPT)/g' \
	      -e 's/@''GNULIB_FEGETEXCEPTFLAG''@/$(GNULIB_FEGETEXCEPTFLAG)/g' \
	      -e 's/@''GNULIB_FEGETROUND''@/$(GNULIB_FEGETROUND)/g' \
	      -e 's/@''GNULIB_FEHOLDEXCEPT''@/$(GNULIB_FEHOLDEXCEPT)/g' \
	      -e 's/@''GNULIB_FERAISEEXCEPT''@/$(GNULIB_FERAISEEXCEPT)/g' \
	      -e 's/@''GNULIB_FESETENV''@/$(GNULIB_FESETENV)/g' \
	      -e 's/@''GNULIB_FESETEXCEPT''@/$(GNULIB_FESETEXCEPT)/g' \
	      -e 's/@''GNULIB_FESETEXCEPTFLAG''@/$(GNULIB_FESETEXCEPTFLAG)/g' \
	      -e 's/@''GNULIB_FESETROUND''@/$(GNULIB_FESETROUND)/g' \
	      -e 's/@''GNULIB_FETESTEXCEPT''@/$(GNULIB_FETESTEXCEPT)/g' \
	      -e 's/@''GNULIB_FETESTEXCEPTFLAG''@/$(GNULIB_FETESTEXCEPTFLAG)/g' \
	      -e 's/@''GNULIB_FEUPDATEENV''@/$(GNULIB_FEUPDATEENV)/g' \
	      -e 's|@''HAVE_FECLEAREXCEPT''@|$(HAVE_FECLEAREXCEPT)|g' \
	      -e 's|@''HAVE_FEDISABLEEXCEPT''@|$(HAVE_FEDISABLEEXCEPT)|g' \
	      -e 's|@''HAVE_FEENABLEEXCEPT''@|$(HAVE_FEENABLEEXCEPT)|g' \
	      -e 's|@''HAVE_FEGETENV''@|$(HAVE_FEGETENV)|g' \
	      -e 's|@''HAVE_FEGETEXCEPT''@|$(HAVE_FEGETEXCEPT)|g' \
	      -e 's|@''HAVE_FEGETEXCEPTFLAG''@|$(HAVE_FEGETEXCEPTFLAG)|g' \
	      -e 's|@''HAVE_FEGETROUND''@|$(HAVE_FEGETROUND)|g' \
	      -e 's|@''HAVE_FEHOLDEXCEPT''@|$(HAVE_FEHOLDEXCEPT)|g' \
	      -e 's|@''HAVE_FERAISEEXCEPT''@|$(HAVE_FERAISEEXCEPT)|g' \
	      -e 's|@''HAVE_FESETENV''@|$(HAVE_FESETENV)|g' \
	      -e 's|@''HAVE_FESETEXCEPT''@|$(HAVE_FESETEXCEPT)|g' \
	      -e 's|@''HAVE_FESETEXCEPTFLAG''@|$(HAVE_FESETEXCEPTFLAG)|g' \
	      -e 's|@''HAVE_FESETROUND''@|$(HAVE_FESETROUND)|g' \
	      -e 's|@''HAVE_FETESTEXCEPT''@|$(HAVE_FETESTEXCEPT)|g' \
	      -e 's|@''HAVE_FETESTEXCEPTFLAG''@|$(HAVE_FETESTEXCEPTFLAG)|g' \
	      -e 's|@''HAVE_FEUPDATEENV''@|$(HAVE_FEUPDATEENV)|g' \
	      -e 's|@''REPLACE_FECLEAREXCEPT''@|$(REPLACE_FECLEAREXCEPT)|g' \
	      -e 's|@''REPLACE_FEDISABLEEXCEPT''@|$(REPLACE_FEDISABLEEXCEPT)|g' \
	      -e 's|@''REPLACE_FEENABLEEXCEPT''@|$(REPLACE_FEENABLEEXCEPT)|g' \
	      -e 's|@''REPLACE_FEGETENV''@|$(REPLACE_FEGETENV)|g' \
	      -e 's|@''REPLACE_FEGETEXCEPT''@|$(REPLACE_FEGETEXCEPT)|g' \
	      -e 's|@''REPLACE_FEGETEXCEPTFLAG''@|$(REPLACE_FEGETEXCEPTFLAG)|g' \
	      -e 's|@''REPLACE_FEGETROUND''@|$(REPLACE_FEGETROUND)|g' \
	      -e 's|@''REPLACE_FEHOLDEXCEPT''@|$(REPLACE_FEHOLDEXCEPT)|g' \
	      -e 's|@''REPLACE_FERAISEEXCEPT''@|$(REPLACE_FERAISEEXCEPT)|g' \
	      -e 's|@''REPLACE_FESETENV''@|$(REPLACE_FESETENV)|g' \
	      -e 's|@''REPLACE_FESETEXCEPT''@|$(REPLACE_FESETEXCEPT)|g' \
	      -e 's|@''REPLACE_FESETEXCEPTFLAG''@|$(REPLACE_FESETEXCEPTFLAG)|g' \
	      -e 's|@''REPLACE_FESETROUND''@|$(REPLACE_FESETROUND)|g' \
	      -e 's|@''REPLACE_FETESTEXCEPT''@|$(REPLACE_FETESTEXCEPT)|g' \
	      -e 's|@''REPLACE_FEUPDATEENV''@|$(REPLACE_FEUPDATEENV)|g' \
	      -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
	      -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
	      $(srcdir)/fenv.in.h > $@-t
	$(AM_V_at)mv $@-t $@
MOSTLYCLEANFILES += fenv.h fenv.h-t

Include:
<fenv.h>

License:
LGPLv2+

Maintainer:
all