ScalarOperations.h

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// This file is part of the Peano project. For conditions of distribution and
// use, please see the copyright notice at www.peano-framework.org
#pragma once
 
 
#include "tarch/tarch.h"
#include "tarch/la/Scalar.h"
 
#pragma once
 
#pragma once
 
 
#pragma push_macro("Dimensions")
#pragma push_macro("assertion")
#undef Dimensions
#undef assertion
#include <complex>
#pragma pop_macro("Dimensions")
#pragma pop_macro("assertion")
 
 
namespace tarch {
  namespace la {
 
    double abs( double value);
 
    int abs (int value);
 
    double abs( const std::complex<double>& value );
 
    int aPowI(int i,int a);
 
    inline bool greater( double lhs, double rhs, double tolerance = NUMERICAL_ZERO_DIFFERENCE) {
      return lhs - rhs >  tolerance;
    }
 
    bool greaterEquals( double lhs, double rhs, double tolerance = NUMERICAL_ZERO_DIFFERENCE);
 
    bool equals( double lhs, double rhs, double tolerance = NUMERICAL_ZERO_DIFFERENCE);
 
    [[maybe_unused]]
    static InlineMethod bool smaller( double lhs, double rhs, double tolerance = NUMERICAL_ZERO_DIFFERENCE) {
      return lhs - rhs < -tolerance;
    }
 
    bool smallerEquals( double lhs, double rhs, double tolerance = NUMERICAL_ZERO_DIFFERENCE);
 
    bool equals( const std::complex<double>& lhs, const std::complex<double>& rhs, double tolerance = NUMERICAL_ZERO_DIFFERENCE);
 
    int sign(double value, double tolerance = NUMERICAL_ZERO_DIFFERENCE);
 
    int round(double value);
    int round(float value);
  }
}