diff options
Diffstat (limited to 'doc/rounding-errors.doc')
| -rw-r--r-- | doc/rounding-errors.doc | 15 |
1 files changed, 13 insertions, 2 deletions
diff --git a/doc/rounding-errors.doc b/doc/rounding-errors.doc index 133a1fe5..a442033e 100644 --- a/doc/rounding-errors.doc +++ b/doc/rounding-errors.doc @@ -19,6 +19,17 @@ avoided by transforming the formula into Of corse, when all \f$y_i\f$ are calculated in a sequence, \f$\sum_{j=0}^{j=i} x_j\f$ and \f$\sum_{j=0}^{j=i-1} y_j\f$ can be -accumulated in the same loop. +accumulated in the same loop. Regard this as sample: -*/
\ No newline at end of file +\code +int n, x[n], a, b; // Should all be initialized. +int y[n], cumX = 0, cumY = 0; + +for (int i = 0; i < n; i++) { + cumX += x[i] + y[i] = (cumX * a) / b - cumY; + cumY += y[i]; +} +\endcode + +*/ |