campo-sirio/cb5/f4double.c

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/* f4double.c (c)Copyright Sequiter Software Inc., 1990-1994. All rights reserved. */
/* Returns the value of the corresponding field as a double.
Only defined for 'Numeric' fields and 'Character' fields
containing numeric data.
*/
#include "d4all.h"
#ifndef S4UNIX
#ifdef __TURBOC__
#pragma hdrstop
#endif
#endif
#ifndef S4OFF_WRITE
void S4FUNCTION f4assign_double( FIELD4 *field, double d_value )
{
#ifdef S4VBASIC
if ( c4parm_check ( field, 3, E4_F4ASSIGN_DBL ) )
return ;
#endif
#ifdef S4DEBUG
if ( field == 0 )
e4severe( e4parm, E4_F4ASSIGN_DBL ) ;
#endif
if ( field->data->code_base->error_code < 0 )
return ;
if ( field->type == 'D' )
date4assign( f4assign_ptr( field ), (long)d_value ) ;
else
/* Convert the 'double' to ASCII and then copy it into the record buffer. */
c4dtoa45( d_value, f4assign_ptr( field ), field->len, field->dec ) ;
}
#endif
double S4FUNCTION f4double( FIELD4 *field )
{
#ifdef S4VBASIC
if ( c4parm_check( field, 3, E4_F4DOUBLE ) )
return 0 ;
#endif
#ifdef S4DEBUG
if ( field == 0 )
e4severe( e4parm, E4_F4DOUBLE ) ;
#endif
if ( field->type == 'D' )
return (double)date4long( f4ptr( field ) ) ;
/* Convert the field data into a 'double' */
return( c4atod( f4ptr( field ), field->len ) ) ;
}
int S4FUNCTION f4double2( FIELD4 *field, double *result )
{
#ifdef S4DEBUG
if ( field == 0 )
e4severe( e4parm, E4_F4DOUBLE2 ) ;
#endif
*result = f4double( field ) ;
return 0 ;
}