Function serializeNumber

src/math-json/serialize-sympy.ts:15–43

(expr: Expression)

}

function serializeNumber(expr: Expression): string | null {
  if (operator(expr) === 'Complex') {
    const op1 = operand(expr, 1);
    const op2 = operand(expr, 2);
    if (op1 === null || op2 === null) return null;
    if (machineValue(op1) === 0) {
      return serializeNumber(op2) + 'j';
    }
    if (machineValue(op2) === 0) return serializeNumber(op1);
    return '(' + serializeNumber(op1) + ' + ' + serializeNumber(op2) + 'j)';
  }

  if (operator(expr) === 'Rational') {
    const op1 = operand(expr, 1);
    const op2 = operand(expr, 2);
    if (op1 === null || op2 === null) return null;
    return `Rational(${serializeNumber(op1)},${serializeNumber(op2)})`;
  }

  if (operator(expr) === 'Number') {
    const op1 = machineValue(operand(expr, 1));
    if (op1 === null) return null;
    return op1.toString();
  }

  const op1 = machineValue(expr);
  if (op1 === null) return null;
  return op1.toString();
}

function serializeSymbol(expr: Expression): string | null {
  const sym = symbol(expr);