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Bugfix in MatrixLogarithm.h

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This commit is contained in:
jdh8
2012-08-18 21:28:05 +08:00
parent f047030104 42c1b9a8dd
commit 15dabd4db7
5 changed files with 32 additions and 29 deletions
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24
unsupported/Eigen/src/MatrixFunctions/MatrixPower.h
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@@ -462,11 +462,11 @@ template <typename MatrixType, typename RealScalar, typename PlainObject, int Is
inline int MatrixPower<MatrixType,RealScalar,PlainObject,IsInteger>::getPadeDegree(float normIminusT)
{
const float maxNormForPade[] = { 2.7996156e-1f /* degree = 3 */ , 4.3268868e-1f };
for (int degree = 3; degree <= 4; degree++)
int degree = 3;
for (; degree <= 4; degree++)
if (normIminusT <= maxNormForPade[degree - 3])
return degree;
assert(false); // this line should never be reached
break;
return degree;
}
template <typename MatrixType, typename RealScalar, typename PlainObject, int IsInteger>
@@ -474,11 +474,11 @@ inline int MatrixPower<MatrixType,RealScalar,PlainObject,IsInteger>::getPadeDegr
{
const double maxNormForPade[] = { 1.882832775783710e-2 /* degree = 3 */ , 6.036100693089536e-2,
1.239372725584857e-1, 1.998030690604104e-1, 2.787629930861592e-1 };
for (int degree = 3; degree <= 7; degree++)
int degree = 3;
for (; degree <= 7; degree++)
if (normIminusT <= maxNormForPade[degree - 3])
return degree;
assert(false); // this line should never be reached
break;
return degree;
}
template <typename MatrixType, typename RealScalar, typename PlainObject, int IsInteger>
@@ -508,11 +508,11 @@ inline int MatrixPower<MatrixType,RealScalar,PlainObject,IsInteger>::getPadeDegr
3.907876732697568523164749432441966e-2L, 6.266303975524852476985111609267074e-2L,
9.133823549851655878933476070874651e-2L };
#endif
for (int degree = 3; degree <= maxPadeDegree; degree++)
int degree = 3;
for (; degree <= maxPadeDegree; degree++)
if (normIminusT <= maxNormForPade[degree - 3])
return degree;
assert(false); // this line should never be reached
break;
return degree;
}
template <typename MatrixType, typename RealScalar, typename PlainObject, int IsInteger>
void MatrixPower<MatrixType,RealScalar,PlainObject,IsInteger>::computePade(const int& degree, const ComplexMatrix& IminusT)