sqrt.3 (174586) | sqrt.3 (176722) |
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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. --- 12 unchanged lines hidden (view full) --- 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" from: @(#)sqrt.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. --- 12 unchanged lines hidden (view full) --- 21.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26.\" SUCH DAMAGE. 27.\" 28.\" from: @(#)sqrt.3 6.4 (Berkeley) 5/6/91 |
29.\" $FreeBSD: head/lib/msun/man/sqrt.3 174586 2007-12-14 07:53:09Z das $ | 29.\" $FreeBSD: head/lib/msun/man/sqrt.3 176722 2008-03-02 01:48:17Z das $ |
30.\" | 30.\" |
31.Dd December 14, 2007 | 31.Dd March 1, 2008 |
32.Dt SQRT 3 33.Os 34.Sh NAME 35.Nm cbrt , 36.Nm cbrtf , 37.Nm sqrt , | 32.Dt SQRT 3 33.Os 34.Sh NAME 35.Nm cbrt , 36.Nm cbrtf , 37.Nm sqrt , |
38.Nm sqrtf | 38.Nm sqrtf , 39.Nm sqrtl |
39.Nd cube root and square root functions 40.Sh LIBRARY 41.Lb libm 42.Sh SYNOPSIS 43.In math.h 44.Ft double 45.Fn cbrt "double x" 46.Ft float 47.Fn cbrtf "float x" 48.Ft double 49.Fn sqrt "double x" 50.Ft float 51.Fn sqrtf "float x" | 40.Nd cube root and square root functions 41.Sh LIBRARY 42.Lb libm 43.Sh SYNOPSIS 44.In math.h 45.Ft double 46.Fn cbrt "double x" 47.Ft float 48.Fn cbrtf "float x" 49.Ft double 50.Fn sqrt "double x" 51.Ft float 52.Fn sqrtf "float x" |
53.Ft long double 54.Fn sqrtl "long double x" |
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52.Sh DESCRIPTION 53The 54.Fn cbrt 55and the 56.Fn cbrtf 57functions compute 58the cube root of 59.Ar x . 60.Pp 61The | 55.Sh DESCRIPTION 56The 57.Fn cbrt 58and the 59.Fn cbrtf 60functions compute 61the cube root of 62.Ar x . 63.Pp 64The |
62.Fn sqrt 63and the 64.Fn sqrtf | 65.Fn sqrt , 66.Fn sqrtf , 67and 68.Fn sqrtl |
65functions compute the 66non-negative square root of x. 67.Sh RETURN VALUES 68The 69.Fn cbrt 70and the 71.Fn cbrtf 72functions return the requested cube root. 73The | 69functions compute the 70non-negative square root of x. 71.Sh RETURN VALUES 72The 73.Fn cbrt 74and the 75.Fn cbrtf 76functions return the requested cube root. 77The |
74.Fn sqrt 75and the 76.Fn sqrtf | 78.Fn sqrt , 79.Fn sqrtf , 80and 81.Fn sqrtl |
77functions return the requested square root 78unless an error occurs. 79An attempt to take the 80.Fn sqrt 81of negative 82.Fa x 83raises an invalid exception and causes an \*(Na to be returned 84(except that the square root of -0 is valid and equal to -0.) 85.Sh SEE ALSO 86.Xr fenv 3 , 87.Xr math 3 88.Sh STANDARDS 89The 90.Fn cbrt , 91.Fn cbrtf , 92.Fn sqrt , | 82functions return the requested square root 83unless an error occurs. 84An attempt to take the 85.Fn sqrt 86of negative 87.Fa x 88raises an invalid exception and causes an \*(Na to be returned 89(except that the square root of -0 is valid and equal to -0.) 90.Sh SEE ALSO 91.Xr fenv 3 , 92.Xr math 3 93.Sh STANDARDS 94The 95.Fn cbrt , 96.Fn cbrtf , 97.Fn sqrt , |
98.Fn sqrtf , |
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93and | 99and |
94.Fn sqrtf | 100.Fn sqrtl |
95functions conform to 96.St -isoC-99 . 97.Sh HISTORY 98The 99.Fn cbrt 100function appeared in 101.Bx 4.3 . | 101functions conform to 102.St -isoC-99 . 103.Sh HISTORY 104The 105.Fn cbrt 106function appeared in 107.Bx 4.3 . |
108The 109.Fn sqrtl 110function appeared in 111.Fx 8.0 . |
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