| Firebird Documentation Index → Firebird 2.0 Language Ref. Update → External functions (UDFs) → srand |
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Library: ib_udf
Added in: 2.0
Description: Seeds the random number generator with the current time in seconds and then returns the first number. Multiple srand() calls within the same second will return the same value. This is exactly how rand() behaved before Firebird 2.0.
Result type: DOUBLE PRECISION
Syntax:
srand ()
Declaration:
DECLARE EXTERNAL FUNCTION srand RETURNS DOUBLE PRECISION BY VALUE ENTRY_POINT 'IB_UDF_srand' MODULE_NAME 'ib_udf'
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| Firebird Documentation Index → Firebird 2.0 Language Ref. Update → External functions (UDFs) → srand |