## 9.3.122 QEXT (A) (VMS, U*X)

Description: | Converts a number to quad precision (REAL(16)) type.
Class: | Elemental function; Generic
Arguments: | A must be of type integer, real, or complex.
Results: | The result type is REAL(16) (REAL*16). Functions that cause conversion of one data type to another type have the same effect as the implied conversion in assignment statements. If A is of type REAL(16), the result is the value of the A with no conversion (QEXT(A) = A). If A is of type integer or real, the result has as much precision of the significant part of A as a REAL(16) value can contain. If A is of type complex, the result has as much precision of the significant part of the real part of A as a REAL(16) value can contain.

Specific Name1 | Argument Type | Result Type
--- | --- | ---
| INTEGER(1) | REAL(16)
| INTEGER(2) | REAL(16)
| INTEGER(4) | REAL(16)
| INTEGER(8) | REAL(16)
QEXT | REAL(4) | REAL(16)
QEXTD | REAL(8) | REAL(16)
| REAL(16) | REAL(16)
| COMPLEX(4) | REAL(16)
| COMPLEX(8) | REAL(16)
| COMPLEX(16) | REAL(16)
1 These specific functions cannot be passed as actual arguments.

Examples

QEXT (4) has the value 4.0 (rounded; there are 32 places to the right of the decimal point).

QEXT ((3.4, 2.0)) has the value 3.4 (rounded; there are 32 places to the right of the decimal point).

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