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