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.pa 1
.he 'FPE (II)'9/2/72'FPE (II)'
.ti 0
NAME fpe -- set floating exception handling
.sp
.ti 0
SYNOPSIS sys fpe; arg / fpe = 40. not in assembler
.sp
.ti 0
DESCRIPTION This call
allows one to catch traps resulting from
floating point exceptions.
Arg___ is a location within the program; floating exception traps
are sent to that location.
The normal effect of floating exception traps may be restored by giving
an arg___ equal to 0.
.sp
To return after catching the
fpe___
trap, execute the rti___ instruction.
.sp
.ti 0
SEE ALSO --
.sp
.ti 0
DIAGNOSTICS --
.sp
.ti 0
BUGS The
floating point exception (FEC) register
is not saved per process.
Examining this register for possible
remedial action after a floating point
exception trap is not guaranteed to work.
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