HP 3000 Manuals HP 3000 Manuals
Appendix E COBOL Functions
The following tables lists and briefly describes each COBOL function.
The syntax for each function follows.
Table E-1. Date Functions
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- Function - Type - Value Returned -
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| CURRENT-DATE | Alphanumeric | Current date and time and |
| | | difference from Greenwich Mean |
| | | Time. |
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| DATE-OF- | Integer | Standard date equivalent |
| INTEGER | | (YYYYMMDD) of integer date. |
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| DAY-OF-INTEGER | Integer | Julian date equivalent (YYYYDDD) |
| | | of integer date. |
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| INTEGER-OF- | Integer | Integer date equivalent of |
| DATE | | standard date (YYYYMMDDD). |
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| INTEGER-OF-DAY | Integer | Integer date equivalent of |
| | | Julian date (YYYYDDD). |
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| WHEN-COMPILED | Alphanumeric | Date and time program was |
| | | compiled. |
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Table E-2. String Functions
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- Function - Type - Value Returned -
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| CHAR | Alphanumeric | The character in a specified |
| | | position of the program |
| | | collating sequence. |
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| LENGTH | Integer | Length, in character positions, |
| | | of the parameter. |
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| LOWER-CASE | Alphanumeric | The same parameter with all |
| | | uppercase letters replaced by |
| | | lowercase letters. |
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| NUMVAL | Numeric | Numeric value of a simple |
| | | numeric string. |
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| NUMVAL-C | Numeric | Numeric value of a numeric |
| | | string with optional commas and |
| | | currency sign. |
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| ORD | Integer | Ordinal position of the |
| | | parameter in collating sequence. |
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| REVERSE | Alphanumeric | Same parameter with characters |
| | | in reverse order. |
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| UPPER-CASE | Alphanumeric | Same parameter with all |
| | | lowercase letters replaced by |
| | | uppercase letters. |
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Table E-3. General Functions
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- Function - Type - Value Returned -
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| MAX | Depends on | Maximum value of all parameters. |
| | parameters. | |
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| MIN | Depends on | Minimum value of all parameters. |
| | parameters. | |
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| ORD-MAX | Integer | Ordinal position of maximum |
| | | parameter. |
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| ORD-MIN | Integer | Ordinal position of minimum |
| | | parameter. |
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Table E-4. Arithmetic Functions
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- Function - Type - Value Returned -
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| INTEGER | Integer | The greatest integer not greater |
| | | than the given numeric value. |
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| INTEGER-PART | Integer | Integer part of the given |
| | | numeric value. |
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| LOG | Numeric | Natural logarithm of a numeric |
| | | value. |
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| LOG10 | Numeric | Logarithm to base 10 of a |
| | | numeric value. |
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| MOD | Integer | Modulo of two integer |
| | | parameters. |
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- RANDOM - Numeric - Pseudo-random number. -
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- REM - Numeric - Remainder after division. -
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- SQRT - Numeric - Square root of a numeric value. -
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| SUM | Integer or | Sum of parameters. |
| | Numeric | |
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Table E-5. Financial and Statistical Functions
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- Function - Type - Value Returned -
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| ANNUITY | Numeric | Ratio of an annuity paid for a |
| | | specified number of periods at a |
| | | specified interest rate to an |
| | | initial investment of one. |
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- FACTORIAL - Integer - Factorial of an integer value. -
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- MEAN - Numeric - Arithmetic mean of parameters. -
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- MEDIAN - Numeric - Median of parameters. -
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| MIDRANGE | Numeric | Mean of smallest and largest |
| | | parameters. |
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| PRESENT-VALUE | Numeric | Present value of a series of |
| | | future period-end amounts at a |
| | | given discount rate. |
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| RANGE | Integer or | Value of largest parameter minus |
| | Numeric | value of smallest parameter. |
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| STANDARD- | Numeric | Standard deviation of |
| DEVIATION | | parameters. |
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- VARIANCE - Numeric - Variance of parameters. -
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Table E-6. Trigonometric Functions
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- Function - Type - Value Returned -
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- COS - Numeric - Cosine of an angle in radians. -
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- SIN - Numeric - Sine of an angle in radians. -
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- TAN - Numeric - Tangent of an angle in radians. -
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| ACOS | Numeric | Arccosine, in radians, of a |
| | | numeric value. |
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| ASIN | Numeric | Arcsine, in radians, of a |
| | | numeric value. |
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| ATAN | Numeric | Arctangent, in radians, of a |
| | | numeric value. |
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