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[/] [openrisc/] [trunk/] [orpsocv2/] [sw/] [apps/] [testfloat/] [writeHex.c] - Diff between revs 349 and 393

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Rev 349 Rev 393
 
 
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/*
 
===============================================================================
 
 
 
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
 
IEC/IEEE Standard for Floating-Point.
 
 
 
Written by John R. Hauser.  More information is available through the Web
 
page `http://HTTP.CS.Berkeley.EDU/~jhauser/arithmetic/TestFloat.html'.
 
 
 
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
 
TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO
 
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY
 
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.
 
 
 
Derivative works are acceptable, even for commercial purposes, so long as
 
(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
 
this code that are retained.
 
 
 
Modified for use with or1ksim's testsuite.
 
 
 
Contributor Julius Baxter <julius.baxter@orsoc.se>
 
 
 
===============================================================================
 
*/
 
                                                                 /*
 
#include <stdio.h>
 
                                                                 */
 
#include "or32-utils.h" // OR1k support C library
 
#include "milieu.h"
 
#include "printf.h"
 
#include "softfloat.h"
 
#include "writeHex.h"
 
 
 
void writeHex_flag( flag a/*, FILE *stream */ )
 
{
 
 
 
    putchar( a ? '1' : '0' );
 
 
 
}
 
 
 
static void writeHex_bits8( bits8 a/*, FILE *stream */ )
 
{
 
    int digit;
 
 
 
    digit = ( a>>4 ) & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
    digit = a & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
 
 
}
 
 
 
static void writeHex_bits12( int16 a/*, FILE *stream */ )
 
{
 
    int digit;
 
 
 
    digit = ( a>>8 ) & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
    digit = ( a>>4 ) & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
    digit = a & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
 
 
}
 
 
 
static void writeHex_bits16( bits16 a/*, FILE *stream */ )
 
{
 
    int digit;
 
 
 
    digit = ( a>>12 ) & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
    digit = ( a>>8 ) & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
    digit = ( a>>4 ) & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
    digit = a & 0xF;
 
    if ( 9 < digit ) digit += 'A' - ( '0' + 10 );
 
    putchar( '0' + digit );
 
 
 
}
 
 
 
void writeHex_bits32( bits32 a/*, FILE *stream */ )
 
{
 
 
 
    writeHex_bits16( a>>16 );
 
    writeHex_bits16( a );
 
    report(a);
 
 
 
}
 
 
 
#ifdef BITS64
 
 
 
void writeHex_bits64( bits64 a/*, FILE *stream */ )
 
{
 
 
 
    writeHex_bits32( a>>32 );
 
    writeHex_bits32( a );
 
 
 
}
 
 
 
#endif
 
 
 
void writeHex_float32( float32 a/*, FILE *stream */ )
 
{
 
 
 
    putchar( ( ( (sbits32) a ) < 0 ) ? '8' : '0' );
 
    writeHex_bits8( a>>23 );
 
    putchar( '.' );
 
    writeHex_bits8( ( a>>16 ) & 0x7F );
 
    writeHex_bits16( a );
 
    report(a);
 
 
 
}
 
 
 
#ifdef BITS64
 
 
 
void writeHex_float64( float64 a/*, FILE *stream */ )
 
{
 
 
 
    writeHex_bits12( a>>52 );
 
    putchar( '.' );
 
    writeHex_bits12( a>>40 );
 
    writeHex_bits8( a>>32 );
 
    writeHex_bits32( a );
 
 
 
}
 
 
 
#else
 
 
 
void writeHex_float64( float64 a/*, FILE *stream */ )
 
{
 
 
 
    writeHex_bits12( a.high>>20 );
 
    putchar( '.' );
 
    writeHex_bits12( a.high>>8 );
 
    writeHex_bits8( a.high );
 
    writeHex_bits32( a.low );
 
 
 
}
 
 
 
#endif
 
 
 
#ifdef FLOATX80
 
 
 
void writeHex_floatx80( floatx80 a/*, FILE *stream */ )
 
{
 
 
 
    writeHex_bits16( a.high );
 
    putchar( '.' );
 
    writeHex_bits64( a.low );
 
 
 
}
 
 
 
#endif
 
 
 
#ifdef FLOAT128
 
 
 
void writeHex_float128( float128 a/*, FILE *stream */ )
 
{
 
 
 
    writeHex_bits16( a.high>>48 );
 
    putchar( '.' );
 
    writeHex_bits16( a.high>>32 );
 
    writeHex_bits32( a.high );
 
    writeHex_bits64( a.low );
 
 
 
}
 
 
 
#endif
 
 
 
void writeHex_float_flags( uint8 flags/*, FILE *stream */ )
 
{
 
 
 
    putchar( flags & float_flag_invalid   ? 'v' : '.' );
 
    putchar( flags & float_flag_divbyzero ? 'z' : '.' );
 
    putchar( flags & float_flag_overflow  ? 'o' : '.' );
 
    putchar( flags & float_flag_underflow ? 'u' : '.' );
 
    putchar( flags & float_flag_inexact   ? 'x' : '.' );
 
 
 
}
 
 
 
 
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