From tcporco@mathepi.com  Mon Jul  8 01:32:41 2002
From: tcporco@mathepi.com (tcporco@mathepi.com)
Date: Mon, 8 Jul 2002 02:32:41 +0200 (MET DST)
Subject: integrate() (PR#1755)
Message-ID: <200207080032.CAA29267@pubhealth.ku.dk>

Full_Name: Travis Porco
Version: 1.5.1 (6/17/2002)
OS: Suse Linux 7.1
Submission from: (NULL) (66.81.124.235)


This happens:
> integrate(function(x)1,0,1)
Error in integrate(function(x) 1, 0, 1) : evaluation of function gave a result
of wrong length
> integrate(function(x)x^2,0,1)
0.3333333 with absolute error < 3.7e-15
> integrate(function(x){cat(x);1},0,1)
0.5 0.01304674 0.9869533 0.06746832 0.9325317 0.1602952 0.8397048 0.2833023
0.7166977
 0.4255628 0.5744372 0.002171418 0.9978286 0.03492125 0.9650787 0.1095911
0.8904089 
0.2186214 0.7813786 0.3528036 0.6471964Error in integrate(function(x){ :
evaluation of function gave a result of wrong length

This is clearly incorrect behavior.  I included case 2 to show that some cases
are
working correctly.

Various other conditions produce the error message indicated.  Of course, not
being able to 
integrate a constant is not in itself the problem; rather, function(x)1
generates the
same error that occurs in the real problem I'm working on.

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integrate() (PR#1755)
tcporco@mathepi.com