Note: Square brackets [...] denote optional arguments.
| Name | Procedure Type | Description | Argument/Function Type |
|---|---|---|---|
| ALLOCATED | Intrinsic Function | ALLOCATED(array). Determines whether an allocatable array is allocated. | array: allocatable array
result: Logical scalar |
| ASSOCIATED | Intrinsic Function | ASSOCIATED(pointer[, target]). Determines whether a pointer and (optional) target are associated. | pointer: any type
target: any type result: Logical |
| DIGITS | Intrinsic Function | DIGITS(x). Returns number of significant digits for data of the same type as x. | x: Integer or Real
result: Integer |
| EPSILON | Intrinsic Function | EPSILON(x). Returns the smallest positive number that when added to one produces a number greater than one for data of the same type as x. | x: Real
result: same type as x |
| GETARG | Run-time Subroutine | CALL GETARG(n, buffer[, status]). Returns the specified command line argument (where the command itself is argument number zero). | n: INTEGER(2) or INTEGER(4)
buffer: Character*(*) status: INTEGER(2) |
| HUGE | Intrinsic Function | HUGE(x). Returns the largest number that can be represented by numbers of type x. | x: Integer or Real
result: same type as x |
| ILEN | Intrinsic Function | ILEN(i). Returns the length (in bits) of the two's complement representation of an integer. | i: Integer.
result: same type as i |
| KIND | Intrinsic Function | KIND(x). Returns the value of the kind parameter of x. | x: any intrinsic type
result: Integer |
| LOC | Intrinsic Function | LOC(a). Returns the address of a. a can be a variable, function call, expression, or constant. | a: any type
result: INTEGER(4) |
| %LOC | Intrinsic Function | Same as LOC. | |
| MAXEXPONENT | Intrinsic Function | MAXEXPONENT(x). Returns the largest positive decimal exponent for data of the same type as x. | x: Real
result: INTEGER(4) |
| MINEXPONENT | Intrinsic Function | MINEXPONENT(x). Returns the largest negative decimal exponent for data of the same type as x. | x: Real
result: INTEGER(4) |
| NARGS | Run-time Function | NARGS( ). Returns the total number of command-line arguments, including the command. | result: INTEGER(4) |
| PRECISION | Intrinsic Function | PRECISION(x). Returns the number of significant digits for data of the same type as x. | x: Real or Complex
result: INTEGER(4) |
| PRESENT | Intrinsic Function | PRESENT(a). Determines whether an optional argument is present. | a: any type
result: Logical |
| RADIX | Intrinsic Function | RADIX(x). Returns the base for data of the same type as x. | x: Integer or Real
result: INTEGER(4) |
| RANGE | Intrinsic Function | RANGE(x). Returns the decimal exponent range for data of the same type as x. | x: Integer, Real or Complex
result: INTEGER(4) |
| SELECTED_INT_KIND | Intrinsic Function | SELECTED_INT_KIND(r). Returns the value of the kind parameter of integers in range r. | r: Integer
result: Integer |
| SELECTED_REAL_KIND | Intrinsic Function | SELECTED_REAL_KIND([p], [r]). Returns the value of the kind parameter of reals with (optional) p digits and (optional) r exponent range. At least one optional argument is required. | p: Integer
r: Integer result: Integer |
| SIZEOF | Intrinsic Function | SIZEOF(x). Returns the number of bytes of storage used by the argument. | x: any type
result: INTEGER(4) |
| TINY | Intrinsic Function | TINY(x). Returns the smallest positive number that can be represented by numbers of type x. | x: Real
result: same type as x |