Function AR_TOINTEGER

src/arithmetic/numeric_funcs/numeric_funcs.c:115–142

tries to convert input to integer

// tries to convert input to integer
SIValue AR_TOINTEGER(SIValue *argv, int argc, void *private_data) {
	SIValue arg = argv[0];
	char *sEnd = NULL;

	switch(SI_TYPE(arg)) {
	case T_INT64:
		return arg;
	case T_DOUBLE:
		// Remove floating point.
		return SI_LongVal(floor(arg.doubleval));
	case T_BOOL:
		if(SIValue_IsTrue(arg)) {
			return SI_LongVal(1);
		}
		return SI_LongVal(0);
	case T_STRING:
		if(strlen(arg.stringval) == 0) return SI_NullVal();
		errno = 0;
		double parsedval = strtod(arg.stringval, &sEnd);
		/* The input was not a complete number or represented a number that
		 * cannot be represented as a double. */
		if(sEnd[0] != '\0' || errno == ERANGE) return SI_NullVal();
		// Remove floating point.
		return SI_LongVal(floor(parsedval));
	default:
		return SI_NullVal();
	}
}

// tries to convert input to float
SIValue AR_TOFLOAT(SIValue *argv, int argc, void *private_data) {