Add c{cos,sin,tan}{,h}{,f} functions. This is joint work with

bde and kargl.

9 files changed, 179 insertions, 9 deletions

diff --git a/lib/msun/man/ccos.3 b/lib/msun/man/ccos.3
new file mode 100644
index 0000000..cf708c1
--- /dev/null
+++ b/lib/msun/man/ccos.3
@@ -0,0 +1,80 @@
+.\" Copyright (c) 2011 David Schultz <das@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd October 17, 2011
+.Dt CCOS 3
+.Os
+.Sh NAME
+.Nm ccos ,
+.Nm ccosf ,
+.Nm csin ,
+.Nm csinf
+.Nm ctan ,
+.Nm ctanf
+.Nd complex trigonometric functions
+.Sh LIBRARY
+.Lb libm
+.Sh SYNOPSIS
+.In complex.h
+.Ft double complex
+.Fn ccos "double complex z"
+.Ft float complex
+.Fn ccosf "float complex z"
+.Ft double complex
+.Fn csin "double complex z"
+.Ft float complex
+.Fn csinf "float complex z"
+.Ft double complex
+.Fn ctan "double complex z"
+.Ft float complex
+.Fn ctanf "float complex z"
+.Sh DESCRIPTION
+The
+.Fn ccos ,
+.Fn csin ,
+and
+.Fn ctan
+functions compute the cosine, sine, and tangent of the complex number
+.Fa z ,
+respectively.
+The
+.Fn ccosf ,
+.Fn csinf ,
+and
+.Fn ctanf
+functions perform the same operations in
+.Fa float
+precision.
+.Sh SEE ALSO
+.Xr ccosh 3 ,
+.Xr complex 3 ,
+.Xr cos 3 ,
+.Xr math 3 ,
+.Xr sin 3 ,
+.Xr tan 3
+.Sh STANDARDS
+These functions conform to
+.St -isoC-99 .
diff --git a/lib/msun/man/ccosh.3 b/lib/msun/man/ccosh.3
new file mode 100644
index 0000000..01688b5
--- /dev/null
+++ b/lib/msun/man/ccosh.3
@@ -0,0 +1,80 @@
+.\" Copyright (c) 2011 David Schultz <das@FreeBSD.org>
+.\" All rights reserved.
+.\"
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in the
+.\"    documentation and/or other materials provided with the distribution.
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+.\" ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+.\" SUCH DAMAGE.
+.\"
+.\" $FreeBSD$
+.\"
+.Dd October 17, 2011
+.Dt CCOSH 3
+.Os
+.Sh NAME
+.Nm ccosh ,
+.Nm ccoshf ,
+.Nm csinh ,
+.Nm csinhf
+.Nm ctanh ,
+.Nm ctanhf
+.Nd complex hyperbolic functions
+.Sh LIBRARY
+.Lb libm
+.Sh SYNOPSIS
+.In complex.h
+.Ft double complex
+.Fn ccosh "double complex z"
+.Ft float complex
+.Fn ccoshf "float complex z"
+.Ft double complex
+.Fn csinh "double complex z"
+.Ft float complex
+.Fn csinhf "float complex z"
+.Ft double complex
+.Fn ctanh "double complex z"
+.Ft float complex
+.Fn ctanhf "float complex z"
+.Sh DESCRIPTION
+The
+.Fn ccosh ,
+.Fn csinh ,
+and
+.Fn ctanh
+functions compute the hyperbolic cosine, sine, and tangent of the complex number
+.Fa z ,
+respectively.
+The
+.Fn ccoshf ,
+.Fn csinhf ,
+and
+.Fn ctanhf
+functions perform the same operations in
+.Fa float
+precision.
+.Sh SEE ALSO
+.Xr ccos 3 ,
+.Xr complex 3 ,
+.Xr cosh 3 ,
+.Xr math 3 ,
+.Xr sinh 3 ,
+.Xr tanh 3
+.Sh STANDARDS
+These functions conform to
+.St -isoC-99 .
diff --git a/lib/msun/man/complex.3 b/lib/msun/man/complex.3
index 3f7c18c..a8d9f95 100644
--- a/lib/msun/man/complex.3
+++ b/lib/msun/man/complex.3
@@ -24,7 +24,7 @@
 .\"
 .\" $FreeBSD$
 .\"
-.Dd March 7, 2011
+.Dd October 17, 2011
 .Dt COMPLEX 3
 .Os
 .Sh NAME
@@ -86,6 +86,16 @@ conj	compute the complex conjugate
 cproj	compute projection onto Riemann sphere
 creal	compute the real part
 .El
+.\" Section 7.3.5-6 of ISO C99 standard
+.Ss Trigonometric and Hyperbolic Functions
+.Cl
+ccos	cosine
+ccosh	hyperbolic cosine
+csin	sine
+csinh	hyperbolic sine
+ctan	tangent
+ctanh	hyperbolic tangent
+.El
 .Sh SEE ALSO
 .Xr math 3 ,
 .Xr fenv 3 ,
@@ -101,20 +111,14 @@ The
 functions described here conform to
 .St -isoC-99 .
 .Sh BUGS
-The trigonmetric and hyperbolic functions
+The inverse trigonmetric and hyperbolic functions
 .Fn cacos ,
 .Fn cacosh ,
 .Fn casin ,
 .Fn casinh ,
 .Fn catan ,
-.Fn catanh ,
-.Fn ccos ,
-.Fn ccosh ,
-.Fn csin ,
-.Fn csinh ,
-.Fn ctan ,
 and
-.Fn ctanh
+.Fn catanh
 are not implemented.
 .Pp
 The logarithmic functions
diff --git a/lib/msun/man/cos.3 b/lib/msun/man/cos.3
index d0cdf68..a430f81 100644
--- a/lib/msun/man/cos.3
+++ b/lib/msun/man/cos.3
@@ -71,6 +71,7 @@ functions return the cosine value.
 .Xr asin 3 ,
 .Xr atan 3 ,
 .Xr atan2 3 ,
+.Xr ccos 3 ,
 .Xr cosh 3 ,
 .Xr math 3 ,
 .Xr sin 3 ,
diff --git a/lib/msun/man/cosh.3 b/lib/msun/man/cosh.3
index 517ec61..96abc5a 100644
--- a/lib/msun/man/cosh.3
+++ b/lib/msun/man/cosh.3
@@ -55,6 +55,7 @@ functions compute the hyperbolic cosine of
 .Xr asin 3 ,
 .Xr atan 3 ,
 .Xr atan2 3 ,
+.Xr ccosh 3 ,
 .Xr cos 3 ,
 .Xr math 3 ,
 .Xr sin 3 ,
diff --git a/lib/msun/man/sin.3 b/lib/msun/man/sin.3
index 2a34281..c7daf09 100644
--- a/lib/msun/man/sin.3
+++ b/lib/msun/man/sin.3
@@ -70,6 +70,7 @@ functions return the sine value.
 .Xr asin 3 ,
 .Xr atan 3 ,
 .Xr atan2 3 ,
+.Xr csin 3 ,
 .Xr cos 3 ,
 .Xr cosh 3 ,
 .Xr math 3 ,
diff --git a/lib/msun/man/sinh.3 b/lib/msun/man/sinh.3
index a2a2d8c..02944cc 100644
--- a/lib/msun/man/sinh.3
+++ b/lib/msun/man/sinh.3
@@ -56,6 +56,7 @@ functions compute the hyperbolic sine of
 .Xr atan2 3 ,
 .Xr cos 3 ,
 .Xr cosh 3 ,
+.Xr csinh 3 ,
 .Xr math 3 ,
 .Xr sin 3 ,
 .Xr tan 3 ,
diff --git a/lib/msun/man/tan.3 b/lib/msun/man/tan.3
index 1577815..f73c612 100644
--- a/lib/msun/man/tan.3
+++ b/lib/msun/man/tan.3
@@ -73,6 +73,7 @@ functions return the tangent value.
 .Xr atan2 3 ,
 .Xr cos 3 ,
 .Xr cosh 3 ,
+.Xr ctan 3 ,
 .Xr math 3 ,
 .Xr sin 3 ,
 .Xr sinh 3 ,
diff --git a/lib/msun/man/tanh.3 b/lib/msun/man/tanh.3
index 699abe5..6fb185c 100644
--- a/lib/msun/man/tanh.3
+++ b/lib/msun/man/tanh.3
@@ -65,6 +65,7 @@ functions return the hyperbolic tangent value.
 .Xr atan2 3 ,
 .Xr cos 3 ,
 .Xr cosh 3 ,
+.Xr ctanh 3 ,
 .Xr math 3 ,
 .Xr sin 3 ,
 .Xr sinh 3 ,