| ieee.3 (84980) | ieee.3 (129040) |
|---|---|
| 1.\" Copyright (c) 1985, 1991 Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)ieee.3 6.4 (Berkeley) 5/6/91 | 1.\" Copyright (c) 1985, 1991 Regents of the University of California. 2.\" All rights reserved. 3.\" 4.\" Redistribution and use in source and binary forms, with or without 5.\" modification, are permitted provided that the following conditions 6.\" are met: 7.\" 1. Redistributions of source code must retain the above copyright 8.\" notice, this list of conditions and the following disclaimer. --- 16 unchanged lines hidden (view full) --- 25.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30.\" SUCH DAMAGE. 31.\" 32.\" from: @(#)ieee.3 6.4 (Berkeley) 5/6/91 |
| 33.\" $FreeBSD: head/lib/msun/man/ieee.3 84980 2001-10-15 13:34:43Z dd $ | 33.\" $FreeBSD: head/lib/msun/man/ieee.3 129040 2004-05-07 18:56:31Z stefanf $ |
| 34.\" 35.Dd February 25, 1994 36.Dt IEEE 3 37.Os 38.Sh NAME 39.Nm copysign , 40.Nm copysignf , | 34.\" 35.Dd February 25, 1994 36.Dt IEEE 3 37.Os 38.Sh NAME 39.Nm copysign , 40.Nm copysignf , |
| 41.Nm copysignl , |
|
| 41.Nm finite , 42.Nm finitef , 43.Nm ilogb , 44.Nm ilogbf , 45.Nm nextafter , 46.Nm nextafterf , 47.Nm remainder , 48.Nm remainderf , 49.Nm scalbn , 50.Nm scalbnf 51.Nd functions for IEEE arithmetic 52.Sh LIBRARY 53.Lb libm 54.Sh SYNOPSIS 55.In math.h 56.Ft double 57.Fn copysign "double x" "double y" 58.Ft float 59.Fn copysignf "float x" "float y" | 42.Nm finite , 43.Nm finitef , 44.Nm ilogb , 45.Nm ilogbf , 46.Nm nextafter , 47.Nm nextafterf , 48.Nm remainder , 49.Nm remainderf , 50.Nm scalbn , 51.Nm scalbnf 52.Nd functions for IEEE arithmetic 53.Sh LIBRARY 54.Lb libm 55.Sh SYNOPSIS 56.In math.h 57.Ft double 58.Fn copysign "double x" "double y" 59.Ft float 60.Fn copysignf "float x" "float y" |
| 61.Ft long double 62.Fn copysignl "long double x" "long double y" |
|
| 60.Ft int 61.Fn finite "double x" 62.Ft int 63.Fn finitef "float x" 64.Ft int 65.Fn ilogb "double x" 66.Ft int 67.Fn ilogbf "float x" --- 8 unchanged lines hidden (view full) --- 76.Ft double 77.Fn scalbn "double x" "int n" 78.Ft float 79.Fn scalbnf "float x" "int n" 80.Sh DESCRIPTION 81These functions are required or recommended by 82.St -ieee754 . 83.Pp | 63.Ft int 64.Fn finite "double x" 65.Ft int 66.Fn finitef "float x" 67.Ft int 68.Fn ilogb "double x" 69.Ft int 70.Fn ilogbf "float x" --- 8 unchanged lines hidden (view full) --- 79.Ft double 80.Fn scalbn "double x" "int n" 81.Ft float 82.Fn scalbnf "float x" "int n" 83.Sh DESCRIPTION 84These functions are required or recommended by 85.St -ieee754 . 86.Pp |
| 84.Fn copysign 85and | 87.Fn copysign , |
| 86.Fn copysignf | 88.Fn copysignf |
| 89and 90.Fn copysignl |
|
| 87return 88.Fa x 89with its sign changed to 90.Fa y Ns 's . 91.Pp 92.Fn finite 93and 94.Fn finitef --- 79 unchanged lines hidden (view full) --- 174computed by exponent manipulation. 175.Sh SEE ALSO 176.Xr math 3 177.Sh HISTORY 178The 179.Nm ieee 180functions appeared in 181.Bx 4.3 . | 91return 92.Fa x 93with its sign changed to 94.Fa y Ns 's . 95.Pp 96.Fn finite 97and 98.Fn finitef --- 79 unchanged lines hidden (view full) --- 178computed by exponent manipulation. 179.Sh SEE ALSO 180.Xr math 3 181.Sh HISTORY 182The 183.Nm ieee 184functions appeared in 185.Bx 4.3 . |
| 186The 187.Fn copysignl 188function first appeared in 189.Fx 5.3 . |
|
| 182.Sh STANDARDS 183.St -ieee754 | 190.Sh STANDARDS 191.St -ieee754 |