Function IsBsonValueNaN

pg_documentdb_core/src/query/bson_compare.c:939–952

returns true if bson value is (double)NaN or (Decimal128)NaN */

/* returns true if bson value is (double)NaN or (Decimal128)NaN */
bool
IsBsonValueNaN(const bson_value_t *value)
{
	if (value->value_type == BSON_TYPE_DECIMAL128)
	{
		return IsDecimal128NaN(value);
	}
	else if (value->value_type == BSON_TYPE_DOUBLE)
	{
		return isnan(BsonValueAsDouble(value));
	}

	return false;
}


/*