provide MLINKS for "f" versions, and make sure they show up in whatis.db

27 files changed, 116 insertions, 70 deletions

diff --git a/lib/libm/man/acos.3 b/lib/libm/man/acos.3
index fa6cac56e5a..e9c73e400c1 100644
--- a/lib/libm/man/acos.3
+++ b/lib/libm/man/acos.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)acos.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: acos.3,v 1.4 1999/05/16 19:55:56 alex Exp $
+.\"	$Id: acos.3,v 1.5 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt ACOS 3
 .Os
 .Sh NAME
-.Nm acos
-.Nd arc cosine function
+.Nm acos ,
+.Nm acosf
+.Nd arc cosine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/acosh.3 b/lib/libm/man/acosh.3
index d06b05a8689..23811eb3978 100644
--- a/lib/libm/man/acosh.3
+++ b/lib/libm/man/acosh.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)acosh.3	5.2 (Berkeley) 5/6/91
-.\"	$Id: acosh.3,v 1.3 1997/04/05 04:18:45 tholo Exp $
+.\"	$Id: acosh.3,v 1.4 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 6, 1991
 .Dt ACOSH 3
 .Os 
 .Sh NAME
-.Nm acosh
-.Nd inverse hyperbolic cosine function
+.Nm acosh ,
+.Nm acoshf
+.Nd inverse hyperbolic cosine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/asin.3 b/lib/libm/man/asin.3
index c5430f479d2..1a2bedc1db6 100644
--- a/lib/libm/man/asin.3
+++ b/lib/libm/man/asin.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)asin.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: asin.3,v 1.4 1999/05/16 19:55:56 alex Exp $
+.\"	$Id: asin.3,v 1.5 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt ASIN 3
 .Os
 .Sh NAME
-.Nm asin 
-.Nd arc sine function
+.Nm asin ,
+.Nm asinf
+.Nd arc sine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/asinh.3 b/lib/libm/man/asinh.3
index a3baac4b8ee..344c29d3f60 100644
--- a/lib/libm/man/asinh.3
+++ b/lib/libm/man/asinh.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)asinh.3	6.4 (Berkeley) 5/6/91
-.\"	$Id: asinh.3,v 1.3 1997/04/05 04:18:46 tholo Exp $
+.\"	$Id: asinh.3,v 1.4 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 6, 1991
 .Dt ASINH 3
 .Os 
 .Sh NAME
-.Nm asinh
-.Nd inverse hyperbolic sine function
+.Nm asinh ,
+.Nm asinhf
+.Nd inverse hyperbolic sine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/atan.3 b/lib/libm/man/atan.3
index 35aadb1a872..3eb9513dfd9 100644
--- a/lib/libm/man/atan.3
+++ b/lib/libm/man/atan.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)atan.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: atan.3,v 1.4 1999/05/16 19:55:57 alex Exp $
+.\"	$Id: atan.3,v 1.5 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt ATAN 3
 .Os
 .Sh NAME
-.Nm atan
-.Nd arc tangent function of one variable
+.Nm atan ,
+.Nm atanf
+.Nd arc tangent functions of one variable
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/atan2.3 b/lib/libm/man/atan2.3
index dff7e4a10c1..eb6363d4118 100644
--- a/lib/libm/man/atan2.3
+++ b/lib/libm/man/atan2.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)atan2.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: atan2.3,v 1.3 1999/05/16 19:55:57 alex Exp $
+.\"	$Id: atan2.3,v 1.4 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt ATAN2 3
 .Os
 .Sh NAME
-.Nm atan2
-.Nd arc tangent function of two variables
+.Nm atan2 ,
+.Nm atan2f
+.Nd arc tangent functions of two variables
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/atanh.3 b/lib/libm/man/atanh.3
index e53f29b81ed..c7464d3182f 100644
--- a/lib/libm/man/atanh.3
+++ b/lib/libm/man/atanh.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)atanh.3	5.2 (Berkeley) 5/6/91
-.\"	$Id: atanh.3,v 1.4 1999/05/26 03:05:59 aaron Exp $
+.\"	$Id: atanh.3,v 1.5 1999/07/01 00:06:39 deraadt Exp $
 .\"
 .Dd May 6, 1991
 .Dt ATANH 3
 .Os 
 .Sh NAME
-.Nm atanh
-.Nd inverse hyperbolic tangent function
+.Nm atanh ,
+.Nm atanhf
+.Nd inverse hyperbolic tangent functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/ceil.3 b/lib/libm/man/ceil.3
index affa3204c66..87ef104ea8b 100644
--- a/lib/libm/man/ceil.3
+++ b/lib/libm/man/ceil.3
@@ -30,13 +30,14 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)ceil.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: ceil.3,v 1.4 1999/05/16 19:55:57 alex Exp $
+.\"	$Id: ceil.3,v 1.5 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd March 10, 1994
 .Dt CEIL 3
 .Os
 .Sh NAME
-.Nm ceil
+.Nm ceil ,
+.Nm ceilf
 .Nd round to smallest integral value greater than or equal to x
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/cos.3 b/lib/libm/man/cos.3
index 438b78fd977..87de19d799b 100644
--- a/lib/libm/man/cos.3
+++ b/lib/libm/man/cos.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)cos.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: cos.3,v 1.3 1999/05/16 19:55:58 alex Exp $
+.\"	$Id: cos.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt COS 3
 .Os
 .Sh NAME
-.Nm cos
-.Nd cosine function
+.Nm cos ,
+.Nm cosf
+.Nd cosine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/cosh.3 b/lib/libm/man/cosh.3
index 8b33ba9d33b..8255a9b313e 100644
--- a/lib/libm/man/cosh.3
+++ b/lib/libm/man/cosh.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)cosh.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: cosh.3,v 1.4 1999/05/16 19:55:58 alex Exp $
+.\"	$Id: cosh.3,v 1.5 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt COSH 3
 .Os
 .Sh NAME
-.Nm cosh
-.Nd hyperbolic cosine function
+.Nm cosh ,
+.Nm coshf
+.Nd hyperbolic cosine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/erf.3 b/lib/libm/man/erf.3
index fd97d18dea5..efd881811bb 100644
--- a/lib/libm/man/erf.3
+++ b/lib/libm/man/erf.3
@@ -30,14 +30,16 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)erf.3	6.4 (Berkeley) 4/20/91
-.\"	$Id: erf.3,v 1.4 1999/06/30 23:04:50 deraadt Exp $
+.\"	$Id: erf.3,v 1.5 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd April 20, 1991
 .Dt ERFC 3
 .Os 
 .Sh NAME
 .Nm erf ,
-.Nm erfc
+.Nm erff ,
+.Nm erfc ,
+.Nm erfcf
 .Nd error function operators
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/exp.3 b/lib/libm/man/exp.3
index bd67b9f284b..913821815f3 100644
--- a/lib/libm/man/exp.3
+++ b/lib/libm/man/exp.3
@@ -30,18 +30,24 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)exp.3	6.12 (Berkeley) 7/31/91
-.\"	$Id: exp.3,v 1.4 1999/05/16 19:55:59 alex Exp $
+.\"	$Id: exp.3,v 1.5 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd July 31, 1991
 .Dt EXP 3
 .Os 
 .Sh NAME
 .Nm exp ,
+.Nm expf ,
 .Nm expm1 ,
+.Nm expm1f ,
 .Nm log ,
+.Nm logf ,
 .Nm log10 ,
+.Nm log10f ,
 .Nm log1p ,
-.Nm pow
+.Nm log1pf ,
+.Nm pow ,
+.Nm powf
 .Nd exponential, logarithm, power functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/fabs.3 b/lib/libm/man/fabs.3
index 94f40934509..b95b256751c 100644
--- a/lib/libm/man/fabs.3
+++ b/lib/libm/man/fabs.3
@@ -31,14 +31,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)fabs.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: fabs.3,v 1.3 1999/05/16 19:55:59 alex Exp $
+.\"	$Id: fabs.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt FABS 3
 .Os
 .Sh NAME
-.Nm fabs
-.Nd floating-point absolute value function
+.Nm fabs ,
+.Nm fabsf
+.Nd floating-point absolute value functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/floor.3 b/lib/libm/man/floor.3
index 95477dc75a7..b940ad01163 100644
--- a/lib/libm/man/floor.3
+++ b/lib/libm/man/floor.3
@@ -30,13 +30,14 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)floor.3	6.5 (Berkeley) 4/19/91
-.\"	$Id: floor.3,v 1.3 1999/05/16 19:55:59 alex Exp $
+.\"	$Id: floor.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd March 10, 1994
 .Dt FLOOR 3
 .Os
 .Sh NAME
-.Nm floor
+.Nm floor ,
+.Nm floorf
 .Nd round to largest integral value not greater than x
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/fmod.3 b/lib/libm/man/fmod.3
index d18c08bdc72..ecc4748892b 100644
--- a/lib/libm/man/fmod.3
+++ b/lib/libm/man/fmod.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)fmod.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: fmod.3,v 1.2 1995/10/28 00:56:54 deraadt Exp $
+.\"	$Id: fmod.3,v 1.3 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt FMOD 3
 .Os
 .Sh NAME
-.Nm fmod
-.Nd floating-point remainder function
+.Nm fmod ,
+.Nm fmodf
+.Nd floating-point remainder functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/hypot.3 b/lib/libm/man/hypot.3
index 86d557b1e0c..4cc24f93b3b 100644
--- a/lib/libm/man/hypot.3
+++ b/lib/libm/man/hypot.3
@@ -30,14 +30,16 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)hypot.3	6.7 (Berkeley) 5/6/91
-.\"	$Id: hypot.3,v 1.4 1999/02/24 08:33:45 deraadt Exp $
+.\"	$Id: hypot.3,v 1.5 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 6, 1991
 .Dt HYPOT 3
 .Os 
 .Sh NAME
 .Nm hypot ,
-.Nm cabs
+.Nm hypotf ,
+.Nm cabs ,
+.Nm cabsf
 .Nd euclidean distance and complex absolute value functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/ieee.3 b/lib/libm/man/ieee.3
index d2c89aab118..34c2efd4251 100644
--- a/lib/libm/man/ieee.3
+++ b/lib/libm/man/ieee.3
@@ -30,18 +30,24 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)ieee.3	6.4 (Berkeley) 5/6/91
-.\"	$Id: ieee.3,v 1.2 1995/10/28 00:56:55 deraadt Exp $
+.\"	$Id: ieee.3,v 1.3 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd Feb 25, 1994
 .Dt IEEE 3
 .Os
 .Sh NAME
 .Nm copysign ,
+.Nm copysignf ,
 .Nm finite ,
+.Nm finitef ,
 .Nm ilogb ,
+.Nm ilogbf ,
 .Nm nextafter ,
+.Nm nextafterf ,
 .Nm remainder ,
-.Nm scalbn
+.Nm remainderf ,
+.Nm scalbn ,
+.Nm scalbnf
 .Nd Functions for IEEE arithmetic
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/ieee_test.3 b/lib/libm/man/ieee_test.3
index 5235052d8ee..c138e3d71c2 100644
--- a/lib/libm/man/ieee_test.3
+++ b/lib/libm/man/ieee_test.3
@@ -30,15 +30,18 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)ieee.3	6.4 (Berkeley) 5/6/91
-.\"	$Id: ieee_test.3,v 1.3 1997/04/05 04:18:49 tholo Exp $
+.\"	$Id: ieee_test.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd March 10, 1994
 .Dt IEEE_TEST 3
 .Os 
 .Sh NAME
 .Nm logb ,
+.Nm logbf ,
 .Nm scalb ,
-.Nm significand
+.Nm scalbf ,
+.Nm significand ,
+.Nm significandf
 .Nd IEEE test functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/infnan.3 b/lib/libm/man/infnan.3
index 3c98e3005de..8cd1ffca369 100644
--- a/lib/libm/man/infnan.3
+++ b/lib/libm/man/infnan.3
@@ -1,4 +1,4 @@
-.\"	$OpenBSD: infnan.3,v 1.2 1999/05/16 19:56:00 alex Exp $
+.\"	$OpenBSD: infnan.3,v 1.3 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .\" Copyright (c) 1985, 1991, 1993
 .\"	The Regents of the University of California.  All rights reserved.
@@ -34,7 +34,7 @@
 .\"     @(#)infnan.3	8.1 (Berkeley) 6/4/93
 .\"
 .Dd June 4, 1993
-.Dt INFNAN 3 vax
+.Dt INFNAN 3
 .Os
 .Sh NAME
 .Nm infnan
diff --git a/lib/libm/man/j0.3 b/lib/libm/man/j0.3
index f7e954efb87..beac57b2b86 100644
--- a/lib/libm/man/j0.3
+++ b/lib/libm/man/j0.3
@@ -30,18 +30,24 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)j0.3	6.7 (Berkeley) 4/19/91
-.\"	$Id: j0.3,v 1.4 1997/04/09 02:28:37 deraadt Exp $
+.\"	$Id: j0.3,v 1.5 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd April 19, 1991
 .Dt J0 3
 .Os 
 .Sh NAME
 .Nm j0 ,
+.Nm j0f ,
 .Nm j1 ,
+.Nm j1f ,
 .Nm jn ,
+.Nm jnf ,
 .Nm y0 ,
+.Nm y0f ,
 .Nm y1 ,
-.Nm yn
+.Nm y1f ,
+.Nm yn ,
+.Nm ynf
 .Nd bessel functions of first and second kind
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/lgamma.3 b/lib/libm/man/lgamma.3
index d1d92f93c89..b88dacf2fee 100644
--- a/lib/libm/man/lgamma.3
+++ b/lib/libm/man/lgamma.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)lgamma.3	6.6 (Berkeley) 12/3/92
-.\"	$Id: lgamma.3,v 1.5 1999/05/16 19:56:00 alex Exp $
+.\"	$Id: lgamma.3,v 1.6 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd December 3, 1992
 .Dt LGAMMA 3
 .Os BSD 4.3
 .Sh NAME
-.Nm lgamma 
-.Nd log gamma function
+.Nm lgamma ,
+.Nm lgammaf
+.Nd log gamma functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft extern int
diff --git a/lib/libm/man/rint.3 b/lib/libm/man/rint.3
index bcf337fd7e4..1406bf37746 100644
--- a/lib/libm/man/rint.3
+++ b/lib/libm/man/rint.3
@@ -30,13 +30,14 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)rint.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: rint.3,v 1.3 1999/05/16 19:56:01 alex Exp $
+.\"	$Id: rint.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd March 10, 1994
 .Dt RINT 3
 .Os
 .Sh NAME
-.Nm rint
+.Nm rint ,
+.Nm rintf
 .Nd round to integral value in floating-point format
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/sin.3 b/lib/libm/man/sin.3
index 5171da9ece4..0c7aa732676 100644
--- a/lib/libm/man/sin.3
+++ b/lib/libm/man/sin.3
@@ -31,14 +31,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)sin.3	6.7 (Berkeley) 4/19/91
-.\"	$Id: sin.3,v 1.3 1999/05/16 19:56:01 alex Exp $
+.\"	$Id: sin.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd April 19, 1991
 .Dt SIN 3
 .Os
 .Sh NAME
-.Nm sin 
-.Nd sine function
+.Nm sin ,
+.Nm sinf
+.Nd sine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/sinh.3 b/lib/libm/man/sinh.3
index 3d1e380114f..d784b6192fd 100644
--- a/lib/libm/man/sinh.3
+++ b/lib/libm/man/sinh.3
@@ -30,13 +30,14 @@
 .\" SUCH DAMAGE.
 .\"
 .\"	from: @(#)sinh.3	6.6 (Berkeley) 4/19/91
-.\"	$Id: sinh.3,v 1.3 1999/05/16 19:56:02 alex Exp $
+.\"	$Id: sinh.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .Dd April 19, 1991
 .Dt SINH 3
 .Os
 .Sh NAME
-.Nm sinh
-.Nd hyperbolic sine function
+.Nm sinh ,
+.Nm sinhf
+.Nd hyperbolic sine functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/sqrt.3 b/lib/libm/man/sqrt.3
index 8bd7ac029b2..81532f9d05e 100644
--- a/lib/libm/man/sqrt.3
+++ b/lib/libm/man/sqrt.3
@@ -30,14 +30,16 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)sqrt.3	6.4 (Berkeley) 5/6/91
-.\"	$Id: sqrt.3,v 1.3 1997/04/05 04:18:50 tholo Exp $
+.\"	$Id: sqrt.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 6, 1991
 .Dt SQRT 3
 .Os
 .Sh NAME
 .Nm cbrt ,
-.Nm sqrt 
+.Nm cbrtf ,
+.Nm sqrt ,
+.Nm sqrtf
 .Nd cube root and square root functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
diff --git a/lib/libm/man/tan.3 b/lib/libm/man/tan.3
index efc37baa676..b10472c9b49 100644
--- a/lib/libm/man/tan.3
+++ b/lib/libm/man/tan.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)tan.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: tan.3,v 1.3 1999/05/16 19:56:02 alex Exp $
+.\"	$Id: tan.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt TAN 3
 .Os
 .Sh NAME
-.Nm tan
-.Nd tangent function
+.Nm tan ,
+.Nm tanf
+.Nd tangent functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double
diff --git a/lib/libm/man/tanh.3 b/lib/libm/man/tanh.3
index 87f67da792d..44769e1348e 100644
--- a/lib/libm/man/tanh.3
+++ b/lib/libm/man/tanh.3
@@ -30,14 +30,15 @@
 .\" SUCH DAMAGE.
 .\"
 .\"     from: @(#)tanh.3	5.1 (Berkeley) 5/2/91
-.\"	$Id: tanh.3,v 1.3 1999/05/16 19:56:02 alex Exp $
+.\"	$Id: tanh.3,v 1.4 1999/07/01 00:06:40 deraadt Exp $
 .\"
 .Dd May 2, 1991
 .Dt TANH 3
 .Os
 .Sh NAME
-.Nm tanh
-.Nd hyperbolic tangent function
+.Nm tanh ,
+.Nm tanhf
+.Nd hyperbolic tangent functions
 .Sh SYNOPSIS
 .Fd #include <math.h>
 .Ft double