Examples with INumber org.matheclipse.core.interfaces.INumber used on opensource projects

Example 1 with INumber

use of org.matheclipse.core.interfaces.INumber in project symja_android_library by axkr.

the class OutputFormFactory method convertPlusOperatorReversed.

private void convertPlusOperatorReversed(final Appendable buf, final IAST plusAST, final InfixOperator oper, final int precedence) throws IOException {
    int operPrecedence = oper.getPrecedence();
    if (operPrecedence < precedence) {
        append(buf, "(");
    }
    String operatorStr = oper.getOperatorString();
    IExpr plusArg;
    int size = plusAST.size() - 1;
    // print Plus[] in reverse order (i.e. numbers at last)
    for (int i = size; i > 0; i--) {
        plusArg = plusAST.get(i);
        if (plusArg.isTimes()) {
            final String multCh = ASTNodeFactory.MMA_STYLE_FACTORY.get("Times").getOperatorString();
            boolean showOperator = true;
            final IAST timesAST = (IAST) plusArg;
            IExpr arg1 = timesAST.arg1();
            if (arg1.isNumber() && (((INumber) arg1).complexSign() < 0)) {
                if (((INumber) arg1).isOne()) {
                    showOperator = false;
                } else {
                    if (arg1.isMinusOne()) {
                        append(buf, "-");
                        showOperator = false;
                    } else {
                        convertNumber(buf, (INumber) arg1, operPrecedence, NO_PLUS_CALL);
                    }
                }
            } else {
                if (i < size) {
                    append(buf, operatorStr);
                }
                convert(buf, arg1, ASTNodeFactory.TIMES_PRECEDENCE, false);
            }
            IExpr timesArg;
            for (int j = 2; j < timesAST.size(); j++) {
                timesArg = timesAST.get(j);
                if (showOperator) {
                    append(buf, multCh);
                } else {
                    showOperator = true;
                }
                convert(buf, timesArg, ASTNodeFactory.TIMES_PRECEDENCE, false);
            }
        } else {
            if (plusArg.isNumber() && (((INumber) plusArg).complexSign() < 0)) {
                // special case negative number:
                convert(buf, plusArg);
            } else {
                if (i < size) {
                    append(buf, operatorStr);
                }
                convert(buf, plusArg, ASTNodeFactory.PLUS_PRECEDENCE, false);
            }
        }
    }
    if (operPrecedence < precedence) {
        append(buf, ")");
    }
}

Example 2 with INumber

use of org.matheclipse.core.interfaces.INumber in project symja_android_library by axkr.

the class AbstractArg12 method binaryOperator.

public IExpr binaryOperator(final IExpr o0, final IExpr o1) {
    IExpr result = F.NIL;
    if (o0 instanceof ApcomplexNum) {
        if (o1.isNumber()) {
            result = e2ApcomplexArg((ApcomplexNum) o0, ((INumber) o1).apcomplexNumValue(((ApcomplexNum) o0).precision()));
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    } else if (o1 instanceof ApcomplexNum) {
        if (o0.isNumber()) {
            result = e2ApcomplexArg(((INumber) o0).apcomplexNumValue(((ApcomplexNum) o1).precision()), (ApcomplexNum) o1);
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    } else if (o0 instanceof ComplexNum) {
        if (o1.isNumber()) {
            result = e2DblComArg((ComplexNum) o0, ((INumber) o1).complexNumValue());
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    } else if (o1 instanceof ComplexNum) {
        if (o0.isNumber()) {
            result = e2DblComArg(((INumber) o0).complexNumValue(), (ComplexNum) o1);
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    }
    if (o0 instanceof ApfloatNum) {
        if (o1.isSignedNumber()) {
            result = e2ApfloatArg((ApfloatNum) o0, ((ISignedNumber) o1).apfloatNumValue(((ApfloatNum) o0).precision()));
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    } else if (o1 instanceof ApfloatNum) {
        if (o0.isSignedNumber()) {
            result = e2ApfloatArg(((ISignedNumber) o0).apfloatNumValue(((ApfloatNum) o1).precision()), (ApfloatNum) o1);
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    } else if (o0 instanceof Num) {
        if (o1.isSignedNumber()) {
            result = e2DblArg((Num) o0, ((ISignedNumber) o1).numValue());
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    } else if (o1 instanceof Num) {
        if (o0.isSignedNumber()) {
            result = e2DblArg(((ISignedNumber) o0).numValue(), (Num) o1);
        }
        if (result.isPresent()) {
            return result;
        }
        return e2ObjArg(o0, o1);
    }
    result = e2ObjArg(o0, o1);
    if (result.isPresent()) {
        return result;
    }
    if (o0 instanceof IInteger) {
        if (o1 instanceof IInteger) {
            return e2IntArg((IInteger) o0, (IInteger) o1);
        }
        if (o1 instanceof IFraction) {
            return e2FraArg(F.fraction((IInteger) o0, F.C1), (IFraction) o1);
        }
        if (o1 instanceof IComplex) {
            return e2ComArg(F.complex((IInteger) o0, F.C0), (IComplex) o1);
        }
        return F.NIL;
    }
    if (o0 instanceof IFraction) {
        if (o1 instanceof IInteger) {
            return e2FraArg((IFraction) o0, F.fraction((IInteger) o1, F.C1));
        }
        if (o1 instanceof IFraction) {
            return e2FraArg((IFraction) o0, (IFraction) o1);
        }
        if (o1 instanceof IComplex) {
            return e2ComArg(F.complex((IFraction) o0), (IComplex) o1);
        }
        return F.NIL;
    }
    if (o0 instanceof IComplex) {
        if (o1 instanceof IInteger) {
            return eComIntArg((IComplex) o0, (IInteger) o1);
        }
        if (o1 instanceof IFraction) {
            return eComFraArg((IComplex) o0, (IFraction) o1);
        }
        if (o1 instanceof IComplex) {
            return e2ComArg((IComplex) o0, (IComplex) o1);
        }
    }
    if (o0 instanceof ISymbol) {
        if (o1 instanceof ISymbol) {
            return e2SymArg((ISymbol) o0, (ISymbol) o1);
        }
    }
    if (o0 instanceof IAST) {
        if (o1 instanceof IInteger) {
            return eFunIntArg((IAST) o0, (IInteger) o1);
        }
        if (o1 instanceof IAST) {
            return e2FunArg((IAST) o0, (IAST) o1);
        }
    }
    return F.NIL;
}

Example 3 with INumber

use of org.matheclipse.core.interfaces.INumber in project symja_android_library by axkr.

the class TableGenerator method tableTimes.

private IExpr tableTimes(IExpr temp, final IIterator<IExpr> iter, final int index) {
    INumber num;
    int counter = 0;
    num = (INumber) temp;
    while (iter.hasNext()) {
        fCurrentIndex[index] = iter.next();
        temp = table();
        if (temp == null) {
            temp = fDefaultValue;
        }
        if (temp.isNumber()) {
            num = (INumber) num.times((INumber) temp);
        } else {
            return createGenericTable(iter, index, iter.allocHint() - counter, num, temp);
        }
        counter++;
    }
    return num;
}

Example 4 with INumber

use of org.matheclipse.core.interfaces.INumber in project symja_android_library by axkr.

the class TableGenerator method tablePlus.

private IExpr tablePlus(IExpr temp, final IIterator<IExpr> iter, final int index) {
    INumber num;
    int counter = 0;
    num = (INumber) temp;
    while (iter.hasNext()) {
        fCurrentIndex[index] = iter.next();
        temp = table();
        if (temp == null) {
            temp = fDefaultValue;
        }
        if (temp.isNumber()) {
            num = (INumber) num.plus((INumber) temp);
        } else {
            return createGenericTable(iter, index, iter.allocHint() - counter, num, temp);
        }
        counter++;
    }
    return num;
}

Example 5 with INumber

use of org.matheclipse.core.interfaces.INumber in project symja_android_library by axkr.

the class Sign method evaluate.

@Override
public IExpr evaluate(final IAST ast, EvalEngine engine) {
    Validate.checkSize(ast, 2);
    IExpr arg1 = ast.arg1();
    if (arg1.isNumber()) {
        return numberSign((INumber) arg1);
    }
    if (arg1.isIndeterminate()) {
        return F.Indeterminate;
    }
    if (arg1.isDirectedInfinity()) {
        IAST directedInfininty = (IAST) arg1;
        if (directedInfininty.isComplexInfinity()) {
            return F.Indeterminate;
        }
        if (directedInfininty.isAST1()) {
            return F.Sign(directedInfininty.arg1());
        }
    }
    if (arg1.isTimes()) {
        IAST[] result = ((IAST) arg1).filter(new SignTimesFunction());
        if (result[0].size() > 1) {
            if (result[1].size() > 1) {
                result[0].append(F.Sign(result[1]));
            }
            return result[0];
        }
    }
    if (arg1.isPower() && arg1.getAt(2).isSignedNumber()) {
        return F.Power(F.Sign(arg1.getAt(1)), arg1.getAt(2));
    }
    if (AbstractAssumptions.assumeNegative(arg1)) {
        return F.CN1;
    }
    if (AbstractAssumptions.assumePositive(arg1)) {
        return F.C1;
    }
    IExpr negExpr = AbstractFunctionEvaluator.getNormalizedNegativeExpression(arg1);
    if (negExpr.isPresent()) {
        return F.Times(F.CN1, F.Sign(negExpr));
    }
    INumber number = arg1.evalNumber();
    if (number != null) {
        return numberSign(number);
    }
    return F.NIL;
}