diff options
Diffstat (limited to 'manual/math.texi')
| -rw-r--r-- | manual/math.texi | 33 |
1 files changed, 13 insertions, 20 deletions
diff --git a/manual/math.texi b/manual/math.texi index b784afe..28cc4a5 100644 --- a/manual/math.texi +++ b/manual/math.texi @@ -1,24 +1,16 @@ @c We need some definitions here. -@ifclear cdot @ifhtml -@set cdot · -@macro mul -· -@end macro +@set mult · @end ifhtml @iftex -@set cdot · -@macro mul -@cdot -@end macro +@set mult @cdot @end iftex -@ifclear cdot -@set cdot x +@ifclear mult +@set mult x +@end ifclear @macro mul -x +@value{mult} @end macro -@end ifclear -@end ifclear @iftex @set infty @infty @end iftex @@ -443,7 +435,7 @@ Another possibility which is useful in several situations is @deftypefun int feholdexcept (fenv_t *@var{envp}) Store the current floating-point environment in the object pointed to by @var{envp}. Afterwards, all exception flags are cleared and if -available a mode is installed which continues on all exception and does +available a mode is installed which continues on all exceptions and does not cause a trap to occur. In this case a nonzero value is returned. If the floating-point implementation does not support such a non-stop @@ -455,8 +447,8 @@ restored can take two kinds of arguments: @itemize @bullet @item -Pointed to objects which previously were initialized by a call to -@code{fegetenv} or @code{feholdexcept}. +Pointers to @code{fenv_t} objects which were initialized previously by a +call to @code{fegetenv} or @code{feholdexcept}. @item @vindex FE_DFL_ENV The special macro @code{FE_DFL_ENV} which represents the floating-point @@ -466,10 +458,11 @@ Implementation defined macros with names starting with @code{FE_}. @vindex FE_NOMASK_ENV If possible, the GNU C Library defines a macro @code{FE_NOMASK_ENV} -which represents an environment where no exception is masked and so each -raised exception causes a trap to occur. Whether this macro is available can easily be tested using @code{#ifdef}. +which represents an environment where no exceptions are masked, so every +exception raised causes a trap to occur. You can test for this macro +using @code{#ifdef}. -Some platforms might define further predefined environments. +Some platforms might define other predefined environments. @end itemize @noindent |