minmax.h

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// ========================================================================= //
// This file is part of MyraMath, copyright (c) 2014-2019 by Ryan A Chilton  //
// and distributed by MyraCore, LLC. See LICENSE.txt for license terms.      //
// ========================================================================= //

#ifndef MYRAMATH_DENSE_MINMAX_H
#define MYRAMATH_DENSE_MINMAX_H

#include <myramath/MYRAMATH_EXPORT.h>
#include <myramath/utility/Number.h>

namespace myra {

// Forward declarations.
template<class Number> class CMatrixRange;
template<class Number> class CVectorRange;

template<class Number> class MYRAMATH_EXPORT MatrixExtrema
  {
  public:
  
    // Constructs from components.
    MatrixExtrema(bool in_flag, int in_i, int in_j, Number in_value)
      {
      flag = in_flag;
      i = in_i;
      j = in_j;
      value = in_value;
      }

    // Data members, all public.
    bool flag;
    int i;
    int j;
    Number value;
  };

MYRAMATH_EXPORT MatrixExtrema<NumberS> min(const CMatrixRange<NumberS>& A);
MYRAMATH_EXPORT MatrixExtrema<NumberD> min(const CMatrixRange<NumberD>& A);
MYRAMATH_EXPORT MatrixExtrema<NumberC> min(const CMatrixRange<NumberC>& A);
MYRAMATH_EXPORT MatrixExtrema<NumberZ> min(const CMatrixRange<NumberZ>& A);

MYRAMATH_EXPORT MatrixExtrema<NumberS> max(const CMatrixRange<NumberS>& A);
MYRAMATH_EXPORT MatrixExtrema<NumberD> max(const CMatrixRange<NumberD>& A);
MYRAMATH_EXPORT MatrixExtrema<NumberC> max(const CMatrixRange<NumberC>& A);
MYRAMATH_EXPORT MatrixExtrema<NumberZ> max(const CMatrixRange<NumberZ>& A);

template<class Number> class MYRAMATH_EXPORT VectorExtrema
  {
  public:

    // Constructs from components.
    VectorExtrema(bool in_flag, int in_n, Number in_value)
      {
      flag = in_flag;
      n = in_n;
      value = in_value;
      }
  
    // Data members, all public.
    bool flag;
    int n;
    Number value;
  };

MYRAMATH_EXPORT VectorExtrema<NumberS> min(const CVectorRange<NumberS>& a);
MYRAMATH_EXPORT VectorExtrema<NumberD> min(const CVectorRange<NumberD>& a);
MYRAMATH_EXPORT VectorExtrema<NumberC> min(const CVectorRange<NumberC>& a);
MYRAMATH_EXPORT VectorExtrema<NumberZ> min(const CVectorRange<NumberZ>& a);

MYRAMATH_EXPORT VectorExtrema<NumberS> max(const CVectorRange<NumberS>& a);
MYRAMATH_EXPORT VectorExtrema<NumberD> max(const CVectorRange<NumberD>& a);
MYRAMATH_EXPORT VectorExtrema<NumberC> max(const CVectorRange<NumberC>& a);
MYRAMATH_EXPORT VectorExtrema<NumberZ> max(const CVectorRange<NumberZ>& a);

} // namespace

#endif