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Old   August 3, 2003, 05:21
Default help for special function
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hello every one,

I got a code developed originally for Cray computer, and a special function routine named as isrcheq(n,w,1,xmin) is inclued in the code. I'd like to know the logical meaning of this funtion routine, if some one here has the whole description of it, please let me share it.

thanks in advance

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Old   August 3, 2003, 06:35
Default Re: help for special function
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Try google - it looks like the first hit.
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Old   August 3, 2003, 07:36
Default Re: help for special function
Answer Man.
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Try this page:

The meaning is given as follows along with some programming information.

Searches a vector for the first element matching a target
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Old   August 4, 2003, 10:12
Default Re: help for special function
Is it right?
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Is it right ?


function isrcheq(n, x, incx, a)

integer n, incx

dimension x(n)

if(n.le.0) then

isrcheq = 0


isrcheq = n+1


do i=1,n

if( abs( x(i)-a ) .le. 1.e-20) then

isrcheq = min(isrcheq,i)



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