This arithmetic predicate calculates the square root of its argument.
see also: arithmetic in Prolog is/2
| Examples | |
| X is sqrt(16). | succeeds, X is 4 |
| X is sqrt(3). | succeeds, X is 1.732051 |
| Exceptions | |
| the value of it's argument is smaller than 0 | an evaluation_error(negative, A) exception is thrown |
| The floating point argument or result exceeds the floating point range | an evaluation_error(float_overflow) exception is thrown |
| The integer argument result exceeds the integer range | an evaluation_error(int_overflow) exception is thrown |