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60 lines
1.6 KiB
Plaintext
60 lines
1.6 KiB
Plaintext
NAME
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norm - calculate a norm of a value
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SYNOPSIS
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norm(x)
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TYPES
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If x is an object of type xx, the function xx_norm has to have been
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defined; what this does will be determined by the definition.
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For non-object x:
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x number (real or complex)
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return real
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DESCRIPTION
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For real x, norm(x) returns:
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x^2.
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For complex x, norm(x) returns:
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re(x)^2 + im(x)^2.
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EXAMPLE
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; print norm(3.4), norm(-3.4), norm(3 + 4i), norm(4 - 5i)
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11.56 11.56 25 41
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LIMITS
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none
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LINK LIBRARY
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void normvalue(VALUE *x, VALUE *result)
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SEE ALSO
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cmp, epsilon, hypot, abs, near, obj
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## Copyright (C) 1999 Landon Curt Noll
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##
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## Calc is open software; you can redistribute it and/or modify it under
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## the terms of the version 2.1 of the GNU Lesser General Public License
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## as published by the Free Software Foundation.
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##
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## Calc is distributed in the hope that it will be useful, but WITHOUT
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## ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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## or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General
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## Public License for more details.
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##
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## A copy of version 2.1 of the GNU Lesser General Public License is
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## distributed with calc under the filename COPYING-LGPL. You should have
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## received a copy with calc; if not, write to Free Software Foundation, Inc.
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## 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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##
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## Under source code control: 1995/10/25 04:03:46
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## File existed as early as: 1995
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##
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## chongo <was here> /\oo/\ http://www.isthe.com/chongo/
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## Share and enjoy! :-) http://www.isthe.com/chongo/tech/comp/calc/
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