Scilab 5.5.0
Please note that the recommended version of Scilab is 2025.0.0. This page might be outdated.
However, this page did not exist in the previous stable version.
多項式の例
多項式の使用例.
説明
この例は多項式変数を取得し,Scilabに返す方法を示します.
ゲートウェイのソース
int polyExample(char *fname,unsigned long fname_len) { SciErr sciErr; int* piAddr = NULL; int iType = 0; int iRet = 0; CheckInputArgument(pvApiCtx, 1, 1); CheckOutputArgument(pvApiCtx, 0, 1); sciErr = getVarAddressFromPosition(pvApiCtx, 1, &piAddr); if(sciErr.iErr) { printError(&sciErr, 0); return 0; } if(isPolyType(pvApiCtx, piAddr)) { char pstVarName[64]; int iLen = 0; sciErr = getPolyVariableName(pvApiCtx, piAddr, pstVarName, &iLen); if(sciErr.iErr) { printError(&sciErr, 0); return sciErr.iErr; } if(isScalar(pvApiCtx, piAddr)) { int iNbCoef = 0; double* pdblReal = NULL; double* pdblImg = NULL; if(isVarComplex(pvApiCtx, piAddr)) { iRet = getAllocatedSingleComplexPoly(pvApiCtx, piAddr, &iNbCoef, &pdblReal, &pdblImg); if(iRet) { freeAllocatedSingleComplexPoly(pdblReal, pdblImg); return iRet; } sciErr = createComplexMatrixOfPoly(pvApiCtx, nbInputArgument(pvApiCtx) + 1, pstVarName, 1, 1, &iNbCoef, &pdblReal, &pdblImg); if(sciErr.iErr) { freeAllocatedSingleComplexPoly(pdblReal, pdblImg); printError(&sciErr, 0); return sciErr.iErr; } freeAllocatedSingleComplexPoly(pdblReal, pdblImg); } else { iRet = getAllocatedSinglePoly(pvApiCtx, piAddr, &iNbCoef, &pdblReal); if(iRet) { freeAllocatedSinglePoly(pdblReal); return iRet; } sciErr = createMatrixOfPoly(pvApiCtx, nbInputArgument(pvApiCtx) + 1, pstVarName, 1, 1, &iNbCoef, &pdblReal); if(sciErr.iErr) { freeAllocatedSinglePoly(pdblReal); printError(&sciErr, 0); return sciErr.iErr; } freeAllocatedSinglePoly(pdblReal); } } else { int iRows = 0; int iCols = 0; int* piNbCoef = NULL; double** pdblReal = NULL; double** pdblImg = NULL; if(isVarComplex(pvApiCtx, piAddr)) { iRet = getAllocatedMatrixOfComplexPoly(pvApiCtx, piAddr, &iRows, &iCols, &piNbCoef, &pdblReal, &pdblImg); if(iRet) { freeAllocatedMatrixOfComplexPoly(iRows, iCols, piNbCoef, pdblReal, pdblImg); return iRet; } sciErr = createComplexMatrixOfPoly(pvApiCtx, nbInputArgument(pvApiCtx) + 1, pstVarName, iRows, iCols, piNbCoef, pdblReal, pdblImg); if(sciErr.iErr) { freeAllocatedMatrixOfComplexPoly(iRows, iCols, piNbCoef, pdblReal, pdblImg); printError(&sciErr, 0); return sciErr.iErr; } freeAllocatedMatrixOfComplexPoly(iRows, iCols, piNbCoef, pdblReal, pdblImg); } else { iRet = getAllocatedMatrixOfPoly(pvApiCtx, piAddr, &iRows, &iCols, &piNbCoef, &pdblReal); if(iRet) { freeAllocatedMatrixOfPoly(iRows, iCols, piNbCoef, pdblReal); return iRet; } sciErr = createMatrixOfPoly(pvApiCtx, nbInputArgument(pvApiCtx) + 1, pstVarName, iRows, iCols, piNbCoef, pdblReal); if(sciErr.iErr) { freeAllocatedMatrixOfPoly(iRows, iCols, piNbCoef, pdblReal); printError(&sciErr, 0); return sciErr.iErr; } freeAllocatedMatrixOfPoly(iRows, iCols, piNbCoef, pdblReal); } } AssignOutputVariable(pvApiCtx, 1) = nbInputArgument(pvApiCtx) + 1; } else { AssignOutputVariable(pvApiCtx, 1) = 0; } return 0; }
Scilab テストスクリプト
a = %s; b = (2 + 3*%i) * %s; c = [a, 2*a, 3*a;4*a, 5*a, 6*a]; d = [c + c * %i]; if polyExample(a) <> a then pause, end if polyExample(b) <> b then pause, end if polyExample(c) <> c then pause, end if polyExample(d) <> d then pause, end
Report an issue | ||
<< freeAllocatedSinglePoly | polynomial | sparse >> |