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diff --git a/upstream/mageia-cauldron/man3p/feholdexcept.3p b/upstream/mageia-cauldron/man3p/feholdexcept.3p new file mode 100644 index 00000000..a968c8d6 --- /dev/null +++ b/upstream/mageia-cauldron/man3p/feholdexcept.3p @@ -0,0 +1,78 @@ +'\" et +.TH FEHOLDEXCEPT "3P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. +.\" +.SH NAME +feholdexcept +\(em save current floating-point environment +.SH SYNOPSIS +.LP +.nf +#include <fenv.h> +.P +int feholdexcept(fenv_t *\fIenvp\fP); +.fi +.SH DESCRIPTION +The functionality described on this reference page is aligned with the +ISO\ C standard. Any conflict between the requirements described here and the +ISO\ C standard is unintentional. This volume of POSIX.1\(hy2017 defers to the ISO\ C standard. +.P +The +\fIfeholdexcept\fR() +function shall save the current floating-point environment in the +object pointed to by +.IR envp , +clear the floating-point status flags, and then install a non-stop +(continue on floating-point exceptions) mode, if available, for all +floating-point exceptions. +.SH "RETURN VALUE" +The +\fIfeholdexcept\fR() +function shall return zero if and only if non-stop floating-point +exception handling was successfully installed. +.SH ERRORS +No errors are defined. +.LP +.IR "The following sections are informative." +.SH EXAMPLES +None. +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +The +\fIfeholdexcept\fR() +function should be effective on typical IEC\ 60559:\|1989 standard implementations which +have the default non-stop mode and at least one other mode for trap +handling or aborting. If the implementation provides only the non-stop +mode, then installing the non-stop mode is trivial. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fIfegetenv\fR\^(\|)", +.IR "\fIfeupdateenv\fR\^(\|)" +.P +The Base Definitions volume of POSIX.1\(hy2017, +.IR "\fB<fenv.h>\fP" +.\" +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1-2017, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, 2018 Edition, +Copyright (C) 2018 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. +In the event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . +.PP +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |