|
|
/*
|
/*
|
===============================================================================
|
===============================================================================
|
|
|
This C source file is part of TestFloat, Release 2a, a package of programs
|
This C source file is part of TestFloat, Release 2a, a package of programs
|
for testing the correctness of floating-point arithmetic complying to the
|
for testing the correctness of floating-point arithmetic complying to the
|
IEC/IEEE Standard for Floating-Point.
|
IEC/IEEE Standard for Floating-Point.
|
|
|
Written by John R. Hauser. More information is available through the Web
|
Written by John R. Hauser. More information is available through the Web
|
page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
|
page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
|
|
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
|
|
|
Derivative works are acceptable, even for commercial purposes, so long as
|
Derivative works are acceptable, even for commercial purposes, so long as
|
(1) they include prominent notice that the work is derivative, and (2) they
|
(1) they include prominent notice that the work is derivative, and (2) they
|
include prominent notice akin to these four paragraphs for those parts of
|
include prominent notice akin to these four paragraphs for those parts of
|
this code that are retained.
|
this code that are retained.
|
|
|
Modified for use with or1ksim's testsuite.
|
Modified for use with or1ksim's testsuite.
|
|
|
Contributor Julius Baxter <julius.baxter@orsoc.se>
|
Contributor Julius Baxter <julius.baxter@orsoc.se>
|
|
|
===============================================================================
|
===============================================================================
|
*/
|
*/
|
/*
|
/*
|
#include <stdlib.h>
|
#include <stdlib.h>
|
*/
|
*/
|
#include "or32-utils.h" // OR1k support C library
|
#include "cpu-utils.h" // OR1k support C library
|
#include "milieu.h"
|
#include "milieu.h"
|
#include "random.h"
|
#include "random.h"
|
|
|
uint8 randomUint8( void )
|
uint8 randomUint8( void )
|
{
|
{
|
|
|
return (bits8) ( rand()>>4 );
|
return (bits8) ( rand()>>4 );
|
|
|
}
|
}
|
|
|
uint16 randomUint16( void )
|
uint16 randomUint16( void )
|
{
|
{
|
|
|
return ( ( rand() & 0x0FF0 )<<4 ) | ( ( rand()>>4 ) & 0xFF );
|
return ( ( rand() & 0x0FF0 )<<4 ) | ( ( rand()>>4 ) & 0xFF );
|
|
|
}
|
}
|
|
|
uint32 randomUint32( void )
|
uint32 randomUint32( void )
|
{
|
{
|
|
|
return
|
return
|
( ( (uint32) ( rand() & 0x0FF0 ) )<<20 )
|
( ( (uint32) ( rand() & 0x0FF0 ) )<<20 )
|
| ( ( (uint32) ( rand() & 0x0FF0 ) )<<12 )
|
| ( ( (uint32) ( rand() & 0x0FF0 ) )<<12 )
|
| ( ( rand() & 0x0FF0 )<<4 )
|
| ( ( rand() & 0x0FF0 )<<4 )
|
| ( ( rand()>>4 ) & 0xFF );
|
| ( ( rand()>>4 ) & 0xFF );
|
|
|
}
|
}
|
|
|
#ifdef BITS64
|
#ifdef BITS64
|
|
|
uint64 randomUint64( void )
|
uint64 randomUint64( void )
|
{
|
{
|
|
|
return ( ( (uint64) randomUint32() )<<32 ) | randomUint32();
|
return ( ( (uint64) randomUint32() )<<32 ) | randomUint32();
|
|
|
}
|
}
|
|
|
#endif
|
#endif
|
|
|
|
|
