Description of max

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Category:algorithms

Component type:function

Prototype

template <class Vec> Vec::size_type max_index(const Vec& x) ;

Description

The location (index) of the element with the maximum absolute value.

Definition

mtl.h

Requirements on types

Vec::value_type must be LessThanComparible.

Preconditions

Complexity

O(n)

Example

In max_index.cc:

typedef complex<float> c;
typedef external_vec<c> Vec;
  const int N = 5;
  c dx[] = { c(5,-4), c(-3,-2),
             c(5,-4), c(6,0), c(0,8) };
  Vec x(dx, N);
  
  int imax = max_index(x);

Notes

See also