Files
calc/help/csc
Landon Curt Noll 7398fbb2e9 rename vercos to coversin
The code to compute 1 - sin(x) belongs to coversin, not vercos.
2023-09-01 23:26:26 -07:00

52 lines
1.5 KiB
Plaintext

NAME
csc - trigonometric cosecant function
SYNOPSIS
csc(x [,eps])
TYPES
x real
eps 0 < real < 1, defaults to epsilon()
return real
DESCRIPTION
Calculate the cosecant of x to a multiple of eps, with error less
in absolute value than .75 * eps.
EXAMPLE
; print csc(1, 1e-5), csc(1, 1e-10), csc(1, 1e-15), csc(1, 1e-20)
1.1884 1.1883951058 1.188395105778121 1.18839510577812121626
LIMITS
0 < eps < 1
LINK LIBRARY
NUMBER *qcsc(NUMBER *x, NUMBER *eps)
SEE ALSO
sin, cos, tan, sec, cot, epsilon
versin, coversin
## Copyright (C) 1999,2023 Landon Curt Noll
##
## Calc is open software; you can redistribute it and/or modify it under
## the terms of the version 2.1 of the GNU Lesser General Public License
## as published by the Free Software Foundation.
##
## Calc is distributed in the hope that it will be useful, but WITHOUT
## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
## Public License for more details.
##
## A copy of version 2.1 of the GNU Lesser General Public License is
## distributed with calc under the filename COPYING-LGPL. You should have
## received a copy with calc; if not, write to Free Software Foundation, Inc.
## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
##
## Under source code control: 1995/11/13 03:49:00
## File existed as early as: 1995
##
## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/