The decimal library functions
You must perform all operations on decimal type
numbers through the following Informix®
ESQL/C library
functions for the decimal data type. Any other operations,
modifications, or analyses can produce unpredictable results.
| Function name | Description | See |
|---|---|---|
| decadd() | Adds two decimal numbers | The decadd() function |
| deccmp() | Compares two decimal numbers | The deccmp() function |
| deccopy() | Copies a decimal number | The deccopy() function |
| decdiv() | Divides two decimal numbers | The decdiv() function |
| decmul() | Multiplies two decimal numbers | The decmul() function |
| decround() | Rounds a decimal number | The decround() function |
| decsub() | Subtracts two decimal numbers | The decsub() function |
| dectrunc() | Truncates a decimal number | The dectrunc() function |
| Function name | Description | See |
|---|---|---|
| deccvasc() | Converts a C char type value to a decimal type value | The deccvasc() function |
| deccvdbl() | Converts a C double type value to a decimal type value | The deccvdbl() function |
| deccvint() | Converts a C int type value to a decimal type value | The deccvint() function |
| deccvlong() | Converts a C 4-byte integer type value to a decimal type value | The deccvlong() function |
| dececvt() | Converts a decimal value to an ASCII string | The dececvt() and decfcvt() functions |
| decfcvt() | Converts a decimal value to an ASCII string | The dececvt() and decfcvt() functions |
| dectoasc() | Converts a decimal type value to an ASCII string | The dectoasc() function |
| dectodbl() | Converts a decimal type value to a C double type value | The dectodbl() function |
| dectoint() | Converts a decimal type value to a C int type value | The dectoint() function |
| dectolong() | Converts a decimal type value to a C 4-byte integer type value | The dectolong() function |
For information about the function rfmtdec(), which allows you to format a decimal number, see Numeric-formatting functions. For additional information about decimal values, see Operations that involve a decimal value