What do these warnings mean ??

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Article #800

#800

From: Warren Jasper
Date: Fri, 14 Aug 1992 07:51

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{70} make mtest
g++ -c -Wall -DDOUBLE -g -O   utilities.c  -o utilities.o
utilities.c: In method `class Vector& Vector::sort ()':
utilities.c:644: warning: contravariance violation for method types ignored
utilities.c: In method `class ComplexVector& ComplexVector::sort ()':
utilities.c:737: warning: contravariance violation for method types ignored
utilities.c: In method `class Matrix& Matrix::sort ()':
utilities.c:745: warning: contravariance violation for method types ignored
utilities.c: In function `double  cond (class Matrix&)':
utilities.c:767: warning: contravariance violation for method types ignored

Could someone tell me what a contravariance violation is?  We have just
upgraded our version of g++ from 1.39.0 to version 2.2.2.


Thanks,


	-- Warren

Warren J. Jasper
wjj@nelson.tx.ncsu.edu

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Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!unity.ncsu.EDU!wjasper
From: wjasper@unity.ncsu.EDU (Warren Jasper)
Subject: What do these warnings mean ??
Message-ID: <9208141551.AA05561@ds11.tx.ncsu.edu>
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Date: Fri, 14 Aug 1992 07:51:51 GMT
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