| Name | Description | |
|---|---|---|
| ALLOCATED | Determines whether an allocatable array is allocated. | |
| ASSOCIATED | Determines whether a the first pointer argument and the second (optional) pointer argument are associated. | |
| BIT_SIZE | Returns the number of bits in an integer type. | |
| CACHESIZE1 | Returns the size of a level of the memory cache. | |
| COMMAND_ARGUMENT_COUNT | Returns the number of command arguments. | |
| DIGITS | Returns number of significant digits for data of the same type as the argument. | |
| EOF | Determines whether a file is at or beyond the end-of-file record. | |
| EPSILON | Returns the smallest positive number that when added to one produces a number greater than one for data of the same type as the argument. | |
| HUGE | Returns the largest number that can be represented by numbers of type the argument. | |
| IARGC | Returns the index of the last command-line argument. | |
| INT_PTR_KIND | Returns the INTEGER KIND that will hold an address. | |
| KIND | Returns the value of the kind parameter of the argument. | |
| LBOUND | Returns the lower bounds for all dimensions of an array, or the lower bound for a specified dimension. | |
| LEN | Returns the length of a character expression. | |
| LOC | Returns the address of the argument. | |
| MAXEXPONENT | Returns the largest positive decimal exponent for data of the same type as the argument. | |
| MINEXPONENT | Returns the largest negative decimal exponent for data of the same type as the argument. | |
| NARGS | Returns the total number of command-line arguments, including the command. | |
| PRECISION | Returns the number of significant digits for data of the same type as the argument. | |
| PRESENT | Determines whether an optional argument is present. | |
| RADIX | Returns the base for data of the same type as the argument. | |
| RANGE | Returns the decimal exponent range for data of the same type as the argument. | |
| SELECTED_INT_KIND | Returns the value of the kind parameter of integers in range r. | |
| SELECTED_REAL_KIND | Returns the value of the kind parameter of reals with (optional) first argument digits and (optional) second argument exponent range. At least one optional argument is required. | |
| SHAPE | Returns the shape of an array or scalar argument. | |
| SIZEOF | Returns the number of bytes of storage used by the argument. | |
| TINY | Returns the smallest positive number that can be represented by numbers of type the argument. | |
| UBOUND | Returns the upper bounds for all dimensions of an array, or the upper bound for a specified dimension. | |
| 1 i64 only | ||