diff options
Diffstat (limited to 'doc/mathfunc.n')
| -rw-r--r-- | doc/mathfunc.n | 25 |
1 files changed, 17 insertions, 8 deletions
diff --git a/doc/mathfunc.n b/doc/mathfunc.n index f5b11b6..9f5d10a 100644 --- a/doc/mathfunc.n +++ b/doc/mathfunc.n @@ -6,7 +6,7 @@ '\" See the file "license.terms" for information on usage and redistribution '\" of this file, and for a DISCLAIMER OF ALL WARRANTIES. '\" -'\" RCS: @(#) $Id: mathfunc.n,v 1.3 2005/05/12 21:21:14 kennykb Exp $ +'\" RCS: @(#) $Id: mathfunc.n,v 1.4 2005/05/25 16:13:17 dgp Exp $ '\" .so man.macros .TH mathfunc n 8.5 Tcl "Tcl Mathematical Functions" @@ -27,6 +27,8 @@ package require \fBTcl 8.5\fR .br \fB::tcl::mathfunc::atan2\fR \fIy\fR \fIx\fR .br +\fB::tcl::mathfunc::bool\fR \fIarg\fR +.br \fB::tcl::mathfunc::ceil\fR \fIarg\fR .br \fB::tcl::mathfunc::cos\fR \fIarg\fR @@ -85,13 +87,13 @@ Tcl supports the following mathematical functions in expressions, all of which work solely with floating-point numbers unless otherwise noted: .DS .ta 3c 6c 9c -\fBabs\fR \fBcosh\fR \fBlog\fR \fBsqrt\fR -\fBacos\fR \fBdouble\fR \fBlog10\fR \fBsrand\fR -\fBasin\fR \fBexp\fR \fBpow\fR \fBtan\fR -\fBatan\fR \fBfloor\fR \fBrand\fR \fBtanh\fR -\fBatan2\fR \fBfmod\fR \fBround\fR \fBwide\fR +\fBabs\fR \fBcos\fR \fBint\fR \fBsinh\fR +\fBacos\fR \fBcosh\fR \fBlog\fR \fBsqrt\fR +\fBasin\fR \fBdouble\fR \fBlog10\fR \fBsrand\fR +\fBatan\fR \fBexp\fR \fBpow\fR \fBtan\fR +\fBatan2\fR \fBfloor\fR \fBrand\fR \fBtanh\fR +\fBbool\fR \fBfmod\fR \fBround\fR \fBwide\fR \fBceil\fR \fBhypot\fR \fBsin\fR -\fBcos\fR \fBint\fR \fBsinh\fR .DE .PP .TP @@ -116,6 +118,13 @@ Returns the arc tangent of \fIy\fR/\fIx\fR, in the range [\fI-pi\fR,\fIpi\fR] radians. \fIx\fR and \fIy\fR cannot both be 0. If \fIx\fR is greater than \fI0\fR, this is equivalent to \fBatan(\fIy/x\fB)\fR. .TP +\fBbool(\fIarg\fB)\fR +Accepts any numerical value, or any string acceptable to +\fBstring is boolean\fR, and returns the corresponding +boolean value \fB0\fR or \fB1\fR. Non-zero numbers are true. +Other numbers are false. Non-numeric strings produce boolean value in +agreement with \fBstring is true\fR and \fBstring is false\fR. +.TP \fBceil(\fIarg\fB)\fR Returns the smallest integral floating-point value (i.e. with a zero fractional part) not less than \fIarg\fR. @@ -218,4 +227,4 @@ Copyright (c) 1993 The Regents of the University of California. .br Copyright (c) 1994-2000 Sun Microsystems Incorporated. .br -Copyright (c) 2005 by Kevin B. Kenny <kennykb@acm.org>. All rights reserved.
\ No newline at end of file +Copyright (c) 2005 by Kevin B. Kenny <kennykb@acm.org>. All rights reserved. |