Reference Manual > Global functions

DSL_errorStringHandler& DSL_errorH();

Returns a reference to the global error handler.

bool DSL_isFinite(double x);

Returns true if x is a finite number.

double DSL_nan();

Returns a value representing not-a-number.

double DSL_inf();

Returns double-precision positive infinity value. For negative infinity, use -DSL_inf().

bool DSL_isPermutation(const int* permutation, int size);

Returns true if the buffer pointed to by the permutation parameter with the specified size is a permutation (contains each number from the 0..size-1 range).

bool DSL_isCharValidForIdentifier(char c, bool start);

Returns true if character c can be used in a valid SMILE identifier. If start is true, the check is performed for the first character in the SMILE identifier (which cannot be a number or an underscore).

bool DSL_isValidIdentifier(const char *idToCheck);

Returns true if idToCheck is a valid SMILE identifier.

void DSL_appendInt(std::string &s, int x);

void DSL_appendDouble(std::string &s, double x);

Append the string representation of x to s.