diff --git a/lib/libc/gen/signal.3 b/lib/libc/gen/signal.3
index aadea358417..90faadcf514 100644
--- a/lib/libc/gen/signal.3
+++ b/lib/libc/gen/signal.3
@@ -218,6 +218,7 @@ or
 .Xr sigaltstack 2 ,
 .Xr sigprocmask 2 ,
 .Xr sigsuspend 2 ,
+.Xr fpsetmask 3 ,
 .Xr setjmp 3 ,
 .Xr tty 4
 .Sh HISTORY
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2
index 6bd3246d602..50372418a81 100644
--- a/lib/libc/sys/sigaction.2
+++ b/lib/libc/sys/sigaction.2
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	From: @(#)sigaction.2	8.2 (Berkeley) 4/3/94
-.\"	$Id: sigaction.2,v 1.14 1997/09/13 19:43:24 joerg Exp $
+.\"	$Id: sigaction.2,v 1.15 1998/01/02 19:22:48 alex Exp $
 .\"
 .Dd April 3, 1994
 .Dt SIGACTION 2
@@ -404,6 +404,7 @@ flags are featuring options commonly found in other operating systems.
 .Xr sigsuspend 2 ,
 .Xr sigvec 2 ,
 .Xr wait 2 ,
+.Xr fpsetmask 3 ,
 .Xr setjmp 3 ,
 .Xr siginterrupt 3 ,
 .Xr sigsetops 3 ,
diff --git a/lib/libc/sys/sigprocmask.2 b/lib/libc/sys/sigprocmask.2
index af1b574ded9..ee47585e9ac 100644
--- a/lib/libc/sys/sigprocmask.2
+++ b/lib/libc/sys/sigprocmask.2
@@ -111,6 +111,7 @@ has a value other than those listed here.
 .Xr kill 2 ,
 .Xr sigaction 2 ,
 .Xr sigsuspend 2 ,
+.Xr fpsetmask 3 ,
 .Xr sigsetops 3
 .Sh STANDARDS
 The
diff --git a/lib/msun/man/math.3 b/lib/msun/man/math.3
index f1fec654c6c..1b129fc94e6 100644
--- a/lib/msun/man/math.3
+++ b/lib/msun/man/math.3
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	from: @(#)math.3	6.10 (Berkeley) 5/6/91
-.\"	$Id: math.3,v 1.5 1997/02/22 15:09:39 peter Exp $
+.\"	$Id: math.3,v 1.6 1998/01/15 23:28:18 danny Exp $
 .\"
 .TH MATH 3M "May 6, 1991"
 .UC 4
@@ -623,6 +623,15 @@ IEEE 754 defaults for granted; this means that a decision to
 trap all divisions by zero could disrupt a code that would
 otherwise get correct results despite division by zero.
 .SH SEE ALSO
+\fBfpgetround\fR(3),
+\fBfpsetround\fR(3),
+\fBfpgetprec\fR(3),
+\fBfpsetprec\fR(3),
+\fBfpgetmask\fR(3),
+\fBfpsetmask\fR(3),
+\fBfpgetsticky\fR(3),
+\fBfpresetsticky\fR(3) - IEEE floating point interface
+.SH NOTES
 An explanation of IEEE 754 and its proposed extension p854
 was published in the IEEE magazine MICRO in August 1984 under
 the title "A Proposed Radix\- and Word\-length\-independent
diff --git a/share/man/man3/Makefile b/share/man/man3/Makefile
index de09b2e05e3..0120c42c803 100644
--- a/share/man/man3/Makefile
+++ b/share/man/man3/Makefile
@@ -1,5 +1,5 @@
 #	@(#)Makefile	8.2 (Berkeley) 12/13/93
-#	$Id$
+#	$Id: Makefile,v 1.12 1997/02/22 13:24:13 peter Exp $
 
 MAN3=	assert.3 bitstring.3 end.3 fpgetround.3 intro.3 pthread.3 queue.3 \
 	stdarg.3 sysexits.3
@@ -11,6 +11,7 @@ MLINKS+=end.3 edata.3 end.3 etext.3
 MLINKS+=fpgetround.3 fpsetround.3 fpgetround.3 fpgetmask.3
 MLINKS+=fpgetround.3 fpsetmask.3 fpgetround.3 fpgetsticky.3
 MLINKS+=fpgetround.3 fpsetsticky.3 fpgetround.3 fpresetsticky.3
+MLINKS+=fpgetround.3 fpsetprec.3 fpgetround.3 fpgetprec.3
 MLINKS+=queue.3 SLIST_ENTRY.3 queue.3 SLIST_HEAD.3 queue.3 SLIST_INIT.3
 MLINKS+=queue.3 SLIST_INSERT_AFTER.3 queue.3 SLIST_INSERT_HEAD.3
 MLINKS+=queue.3 SLIST_REMOVE_HEAD.3 queue.3 SLIST_REMOVE.3
diff --git a/share/man/man3/fpgetround.3 b/share/man/man3/fpgetround.3
index b0bc28008ff..d60ef1baa3b 100644
--- a/share/man/man3/fpgetround.3
+++ b/share/man/man3/fpgetround.3
@@ -30,7 +30,7 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     @(#)fpgetround.3	1.0 (Berkeley) 9/23/93
-.\"	$Id: fpgetround.3,v 1.4 1997/03/19 20:42:18 bde Exp $
+.\"	$Id: fpgetround.3,v 1.5 1997/04/13 14:19:59 bde Exp $
 .\"
 .Dd August 23, 1993
 .Dt FPGETROUND 3
@@ -38,6 +38,8 @@
 .Sh NAME
 .Nm fpgetround ,
 .Nm fpsetround ,
+.Nm fpsetprec ,
+.Nm fpgetprec ,
 .Nm fpgetmask ,
 .Nm fpsetmask ,
 .Nm fpgetsticky ,
@@ -47,16 +49,16 @@
 .Fd #include <floatingpoint.h>
 .Ft typedef enum {
 .br
-.Fa 	FP_RN,
+.Fa 	FP_RN,	
 .Li		/* round to nearest */
 .br
-.Fa 	FP_RM,
+.Fa 	FP_RM,	
 .Li		/* round to minus infinity */
 .br
-.Fa 	FP_RP,
+.Fa 	FP_RP,	
 .Li		/* round to plus infinity */
 .br
-.Fa 	FP_RZ,
+.Fa 	FP_RZ,	
 .Li		/* truncate */
 .br
 .Ft } fp_rnd_t;
@@ -65,6 +67,29 @@
 .Fn fpgetround void
 .Ft fp_rnd_t
 .Fn fpsetround "fp_rnd_t direction"
+.Pp
+.nr fZ 0
+.Ft typedef enum {
+.br
+.Fa 	FP_PS,	
+.Li		/* 24 bit (single-precision) */
+.br
+.Fa 	FP_PRS,	
+.Li		/* reserved */
+.br
+.Fa 	FP_PD,	
+.Li		/* 53 bit (double-precision) */
+.br
+.Fa 	FP_PE,	
+.Li		/* 64 bit (extended-precision) */
+.br
+.Ft } fp_prec_t;
+.Pp
+.Ft fp_prec_t
+.Fn fpgetprec void
+.Ft fp_prec_t
+.Fn fpsetprec "fp_prec_t precision"
+.Pp
 .Fd #define fp_except_t int
 .Fd #define FP_X_INV	0x01		/* invalid */
 .Fd #define FP_X_OFL	0x08		/* overflow */
@@ -85,7 +110,8 @@ When a floating point exception is detected, the exception sticky flag is
 set and the exception mask is tested. If the mask is set, then a trap
 occurs.  These routines allow both setting the floating point exception
 masks, and  resetting the exception sticky flags after an exception is
-detected.  In addition, they allow setting the floating point rounding mode.
+detected.  In addition, they allow setting the floating point rounding mode
+and precision.
 .Pp
 The
 .Fn fpgetround
@@ -99,6 +125,17 @@ sets the floating point rounding mode and returns
 the previous mode.
 .Pp
 The
+.Fn fpgetprec
+function
+returns the current floating point precision.
+.Pp
+The
+.Fn fpsetprec
+function
+sets the floating point precision and returns
+the previous precision.
+.Pp
+The
 .Fn fpgetmask
 function
 returns the current floating point exception masks.