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git-svn-id: https://svn.apache.org/repos/asf/commons/proper/math/trunk@791723 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Luc Maisonobe 2009-07-07 07:07:23 +00:00
parent 71f41f90fe
commit f0ad546c7f
1 changed files with 7 additions and 7 deletions
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14
src/java/org/apache/commons/math/ode/sampling/NordsieckStepInterpolator.java
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@ -88,7 +88,7 @@ public class NordsieckStepInterpolator extends AbstractStepInterpolator {
nordsieck = new Array2DRowRealMatrix(interpolator.nordsieck.getDataRef(), true); nordsieck = new Array2DRowRealMatrix(interpolator.nordsieck.getDataRef(), true);
} }
if (interpolator.stateVariation != null) { if (interpolator.stateVariation != null) {
stateVariation = interpolator.stateVariation.clone(); stateVariation = interpolator.stateVariation.clone();
} }
} }
@ -174,10 +174,10 @@ public class NordsieckStepInterpolator extends AbstractStepInterpolator {
*/ */
public double[] getInterpolatedStateVariation() public double[] getInterpolatedStateVariation()
throws DerivativeException { throws DerivativeException {
// compute and ignore interpolated state // compute and ignore interpolated state
// to make sure state variation is computed as a side effect // to make sure state variation is computed as a side effect
getInterpolatedState(); getInterpolatedState();
return stateVariation; return stateVariation;
} }
/** {@inheritDoc} */ /** {@inheritDoc} */
@ -205,8 +205,8 @@ public class NordsieckStepInterpolator extends AbstractStepInterpolator {
} }
for (int j = 0; j < currentState.length; ++j) { for (int j = 0; j < currentState.length; ++j) {
stateVariation[j] += scaled[j] * normalizedAbscissa; stateVariation[j] += scaled[j] * normalizedAbscissa;
interpolatedState[j] = currentState[j] + stateVariation[j]; interpolatedState[j] = currentState[j] + stateVariation[j];
interpolatedDerivatives[j] = interpolatedDerivatives[j] =
(interpolatedDerivatives[j] + scaled[j] * normalizedAbscissa) / x; (interpolatedDerivatives[j] + scaled[j] * normalizedAbscissa) / x;
} }