当前位置: 首页>>代码示例>>C++>>正文


C++ CurveState::numberOfRates方法代码示例

本文整理汇总了C++中CurveState::numberOfRates方法的典型用法代码示例。如果您正苦于以下问题:C++ CurveState::numberOfRates方法的具体用法?C++ CurveState::numberOfRates怎么用?C++ CurveState::numberOfRates使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在CurveState的用法示例。


在下文中一共展示了CurveState::numberOfRates方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: fwdCorr

    CotSwapFromFwdCorrelation::CotSwapFromFwdCorrelation(
            const boost::shared_ptr<PiecewiseConstantCorrelation>& fwdCorr,
            const CurveState& curveState,
            Spread displacement)
    : fwdCorr_(fwdCorr),
      numberOfRates_(fwdCorr->numberOfRates()),
      swapCorrMatrices_(fwdCorr->correlations().size())
    {
        QL_REQUIRE(numberOfRates_==curveState.numberOfRates(),
                   "mismatch between number of rates in fwdCorr (" <<
                   numberOfRates_ << ") and curveState (" <<
                   curveState.numberOfRates() << ")");

        Matrix zed = SwapForwardMappings::coterminalSwapZedMatrix(
                                                curveState, displacement);
        Matrix zedT = transpose(zed);
        const std::vector<Matrix>& fwdCorrMatrices = fwdCorr->correlations();
        for (Size k = 0; k<fwdCorrMatrices.size(); ++k) {
            swapCorrMatrices_[k] = CovarianceDecomposition(
                zed * fwdCorrMatrices[k] * zedT).correlationMatrix();
            // zero expired rates' correlation coefficients
            const std::vector<Time>& rateTimes = curveState.rateTimes();
            const std::vector<Time>& corrTimes = fwdCorr_->times();
            for (Size i=0; i<numberOfRates_; ++i)
                for (Size j=0; j<=i; ++j)
                    if (corrTimes[k]>rateTimes[j])
                        swapCorrMatrices_[k][i][j] =
                            swapCorrMatrices_[k][j][i] = 0.0;
        }
    }
开发者ID:androidYibo,项目名称:documents,代码行数:30,代码来源:cotswapfromfwdcorrelation.cpp


注:本文中的CurveState::numberOfRates方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。