mathjs/lib/expression/docs/function/utils/isNegative.js

Math.js is an extensive math library for JavaScript and Node.js. It features a flexible expression parser and offers an integrated solution to work with numbers, big numbers, complex numbers, units, and matrices.

module.exports = {
  'name': 'isNegative',
  'category': 'Utils',
  'syntax': [
    'isNegative(x)'
  ],
  'description': 'Test whether a value is negative: smaller than zero.',
  'examples': [
    'isNegative(2)',
    'isNegative(0)',
    'isNegative(-4)',
    'isNegative([3, 0.5, -2])'
  ],
  'seealso': ['isInteger', 'isNumeric', 'isPositive', 'isZero']
};