Commit 5e38b99d by Christoph Grüninger

### Move sign function to math.hh

parent 550edece
 ... ... @@ -26,14 +26,10 @@ #include namespace Dumux { #include "math.hh" template int sign(const ValueType& value) namespace Dumux { return (value < 0 ? -1 : 1); } template void identityMatrix(Matrix& matrix) ... ...
 ... ... @@ -475,6 +475,19 @@ Scalar antoine(Scalar temperature, return std::exp(ln10*(A - B/(C + temperature))); } /*! * \brief Sign or signum function. * * Returns 1 for a positive argument. * Returns -1 for a negative argument. * Returns 0 if the argument is zero. */ template int sign(const ValueType& value) { return (ValueType(0) < value) - (value < ValueType(0)); } /*! * \brief Cross product of two vectors in three-dimensional Euclidean space * ... ...
 ... ... @@ -563,7 +563,7 @@ protected: // to determine whether we're monotonically increasing // or decreasing x0 = x1; return (x0*(x0*3*a + 2*b) + c > 0) ? 1 : -1; return sign(x0*(x0*3*a + 2*b) + c); } if ((x0 < xE1 && xE1 < x1) || (x0 < xE2 && xE2 < x1)) ... ... @@ -574,7 +574,7 @@ protected: // no extremum in range (x0, x1) x0 = (x0 + x1)/2; // pick point in the middle of the interval // to avoid extrema on the boundaries return (x0*(x0*3*a + 2*b) + c > 0) ? 1 : -1; return sign(x0*(x0*3*a + 2*b) + c); } /*! ... ...
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