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IRIX 6.2 Development Libraries
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SGI IRIX 6.2 Development Libraries.iso
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complib.idb
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izmax1.z
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izmax1
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1996-03-14
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IIIIZZZZMMMMAAAAXXXX1111((((3333FFFF)))) IIIIZZZZMMMMAAAAXXXX1111((((3333FFFF))))
NNNNAAAAMMMMEEEE
IZMAX1 - find the index of the element whose real part has maximum
absolute value
SSSSYYYYNNNNOOOOPPPPSSSSIIIISSSS
INTEGER FUNCTION IZMAX1( N, CX, INCX )
INTEGER INCX, N
COMPLEX*16 CX( * )
PPPPUUUURRRRPPPPOOOOSSSSEEEE
IZMAX1 finds the index of the element whose real part has maximum
absolute value.
Based on IZAMAX from Level 1 BLAS.
The change is to use the 'genuine' absolute value.
Contributed by Nick Higham for use with ZLACON.
AAAARRRRGGGGUUUUMMMMEEEENNNNTTTTSSSS
N (input) INTEGER
The number of elements in the vector CX.
CX (input) COMPLEX*16 array, dimension (N)
The vector whose elements will be summed.
INCX (input) INTEGER
The spacing between successive values of CX. INCX >= 1.
PPPPaaaaggggeeee 1111