Difference between revisions of "ISNUM()"
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Barrymavin (Talk | contribs) (→EXAMPLE) |
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check_num() | check_num() | ||
{ | { | ||
| − | _retl( ISNUM)); | + | _retl( ISNUM(1) ); |
} | } | ||
</code> | </code> | ||
| − | |||
==SEE ALSO== | ==SEE ALSO== | ||
Latest revision as of 00:04, 13 November 2009
PURPOSE
Is the parameter a numeric
SYNONYM
None
SYNOPSIS
#include "dbapi.h" int ISNUM(order) <input parameters> int order; /* Placement in actual parameter list */ <output parameters> none
DESCRIPTION
The function checks if the specified parameter is a numeric value. It returns 1 if true, or 0 if false. The order specifies the actual placements in the parameter list.
EXAMPLE
The following example returns .T. if the first parameter passed is a numeric value, or .F. otherwise.
Example Recital program:
m_value=534 m_isnum=check_num(m_value) return
Example 'C' function:
#include "dbapi.h" check_num() { _retl( ISNUM(1) ); }
SEE ALSO
_parinfo(), _parinfo(), _parnd(), _parni(), parnl(), _retnd(), retni(), retl(), PCOUNT
