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Diffstat (limited to 'tools/test/testfloat/systfloat.c')
-rw-r--r-- | tools/test/testfloat/systfloat.c | 553 |
1 files changed, 553 insertions, 0 deletions
diff --git a/tools/test/testfloat/systfloat.c b/tools/test/testfloat/systfloat.c new file mode 100644 index 0000000..08548c4 --- /dev/null +++ b/tools/test/testfloat/systfloat.c @@ -0,0 +1,553 @@ + +/* +=============================================================================== + +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. + +=============================================================================== +*/ + +#include <math.h> +#include "milieu.h" +#include "softfloat.h" +#include "systfloat.h" + +float32 syst_int32_to_float32( int32 a ) +{ + float32 z; + + *( (float *) &z ) = a; + return z; + +} + +float64 syst_int32_to_float64( int32 a ) +{ + float64 z; + + *( (double *) &z ) = a; + return z; + +} + +#if defined( FLOATX80 ) && defined( LONG_DOUBLE_IS_FLOATX80 ) + +floatx80 syst_int32_to_floatx80( int32 a ) +{ + floatx80 z; + + *( (long double *) &z ) = a; + return z; + +} + +#endif + +#if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 ) + +float128 syst_int32_to_float128( int32 a ) +{ + float128 z; + + *( (long double *) &z ) = a; + return z; + +} + +#endif + +#ifdef BITS64 + +float32 syst_int64_to_float32( int64 a ) +{ + float32 z; + + *( (float *) &z ) = a; + return z; + +} + +float64 syst_int64_to_float64( int64 a ) +{ + float64 z; + + *( (double *) &z ) = a; + return z; + +} + +#if defined( FLOATX80 ) && defined( LONG_DOUBLE_IS_FLOATX80 ) + +floatx80 syst_int64_to_floatx80( int64 a ) +{ + floatx80 z; + + *( (long double *) &z ) = a; + return z; + +} + +#endif + +#if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 ) + +float128 syst_int64_to_float128( int64 a ) +{ + float128 z; + + *( (long double *) &z ) = a; + return z; + +} + +#endif + +#endif + +int32 syst_float32_to_int32_round_to_zero( float32 a ) +{ + + return *( (float *) &a ); + +} + +#ifdef BITS64 + +int64 syst_float32_to_int64_round_to_zero( float32 a ) +{ + + return *( (float *) &a ); + +} + +#endif + +float64 syst_float32_to_float64( float32 a ) +{ + float64 z; + + *( (double *) &z ) = *( (float *) &a ); + return z; + +} + +#if defined( FLOATX80 ) && defined( LONG_DOUBLE_IS_FLOATX80 ) + +floatx80 syst_float32_to_floatx80( float32 a ) +{ + floatx80 z; + + *( (long double *) &z ) = *( (float *) &a ); + return z; + +} + +#endif + +#if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 ) + +float128 syst_float32_to_float128( float32 a ) +{ + float128 z; + + *( (long double *) &z ) = *( (float *) &a ); + return z; + +} + +#endif + +float32 syst_float32_add( float32 a, float32 b ) +{ + float32 z; + + *( (float *) &z ) = *( (float *) &a ) + *( (float *) &b ); + return z; + +} + +float32 syst_float32_sub( float32 a, float32 b ) +{ + float32 z; + + *( (float *) &z ) = *( (float *) &a ) - *( (float *) &b ); + return z; + +} + +float32 syst_float32_mul( float32 a, float32 b ) +{ + float32 z; + + *( (float *) &z ) = *( (float *) &a ) * *( (float *) &b ); + return z; + +} + +float32 syst_float32_div( float32 a, float32 b ) +{ + float32 z; + + *( (float *) &z ) = *( (float *) &a ) / *( (float *) &b ); + return z; + +} + +flag syst_float32_eq( float32 a, float32 b ) +{ + + return ( *( (float *) &a ) == *( (float *) &b ) ); + +} + +flag syst_float32_le( float32 a, float32 b ) +{ + + return ( *( (float *) &a ) <= *( (float *) &b ) ); + +} + +flag syst_float32_lt( float32 a, float32 b ) +{ + + return ( *( (float *) &a ) < *( (float *) &b ) ); + +} + +int32 syst_float64_to_int32_round_to_zero( float64 a ) +{ + + return *( (double *) &a ); + +} + +#ifdef BITS64 + +int64 syst_float64_to_int64_round_to_zero( float64 a ) +{ + + return *( (double *) &a ); + +} + +#endif + +float32 syst_float64_to_float32( float64 a ) +{ + float32 z; + + *( (float *) &z ) = *( (double *) &a ); + return z; + +} + +#if defined( FLOATX80 ) && defined( LONG_DOUBLE_IS_FLOATX80 ) + +floatx80 syst_float64_to_floatx80( float64 a ) +{ + floatx80 z; + + *( (long double *) &z ) = *( (double *) &a ); + return z; + +} + +#endif + +#if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 ) + +float128 syst_float64_to_float128( float64 a ) +{ + float128 z; + + *( (long double *) &z ) = *( (double *) &a ); + return z; + +} + +#endif + +float64 syst_float64_add( float64 a, float64 b ) +{ + float64 z; + + *( (double *) &z ) = *( (double *) &a ) + *( (double *) &b ); + return z; + +} + +float64 syst_float64_sub( float64 a, float64 b ) +{ + float64 z; + + *( (double *) &z ) = *( (double *) &a ) - *( (double *) &b ); + return z; + +} + +float64 syst_float64_mul( float64 a, float64 b ) +{ + float64 z; + + *( (double *) &z ) = *( (double *) &a ) * *( (double *) &b ); + return z; + +} + +float64 syst_float64_div( float64 a, float64 b ) +{ + float64 z; + + *( (double *) &z ) = *( (double *) &a ) / *( (double *) &b ); + return z; + +} + +float64 syst_float64_sqrt( float64 a ) +{ + float64 z; + + *( (double *) &z ) = sqrt( *( (double *) &a ) ); + return z; + +} + +flag syst_float64_eq( float64 a, float64 b ) +{ + + return ( *( (double *) &a ) == *( (double *) &b ) ); + +} + +flag syst_float64_le( float64 a, float64 b ) +{ + + return ( *( (double *) &a ) <= *( (double *) &b ) ); + +} + +flag syst_float64_lt( float64 a, float64 b ) +{ + + return ( *( (double *) &a ) < *( (double *) &b ) ); + +} + +#if defined( FLOATX80 ) && defined( LONG_DOUBLE_IS_FLOATX80 ) + +int32 syst_floatx80_to_int32_round_to_zero( floatx80 a ) +{ + + return *( (long double *) &a ); + +} + +#ifdef BITS64 + +int64 syst_floatx80_to_int64_round_to_zero( floatx80 a ) +{ + + return *( (long double *) &a ); + +} + +#endif + +float32 syst_floatx80_to_float32( floatx80 a ) +{ + float32 z; + + *( (float *) &z ) = *( (long double *) &a ); + return z; + +} + +float64 syst_floatx80_to_float64( floatx80 a ) +{ + float64 z; + + *( (double *) &z ) = *( (long double *) &a ); + return z; + +} + +floatx80 syst_floatx80_add( floatx80 a, floatx80 b ) +{ + floatx80 z; + + *( (long double *) &z ) = + *( (long double *) &a ) + *( (long double *) &b ); + return z; + +} + +floatx80 syst_floatx80_sub( floatx80 a, floatx80 b ) +{ + floatx80 z; + + *( (long double *) &z ) = + *( (long double *) &a ) - *( (long double *) &b ); + return z; + +} + +floatx80 syst_floatx80_mul( floatx80 a, floatx80 b ) +{ + floatx80 z; + + *( (long double *) &z ) = + *( (long double *) &a ) * *( (long double *) &b ); + return z; + +} + +floatx80 syst_floatx80_div( floatx80 a, floatx80 b ) +{ + floatx80 z; + + *( (long double *) &z ) = + *( (long double *) &a ) / *( (long double *) &b ); + return z; + +} + +flag syst_floatx80_eq( floatx80 a, floatx80 b ) +{ + + return ( *( (long double *) &a ) == *( (long double *) &b ) ); + +} + +flag syst_floatx80_le( floatx80 a, floatx80 b ) +{ + + return ( *( (long double *) &a ) <= *( (long double *) &b ) ); + +} + +flag syst_floatx80_lt( floatx80 a, floatx80 b ) +{ + + return ( *( (long double *) &a ) < *( (long double *) &b ) ); + +} + +#endif + +#if defined( FLOAT128 ) && defined( LONG_DOUBLE_IS_FLOAT128 ) + +int32 syst_float128_to_int32_round_to_zero( float128 a ) +{ + + return *( (long double *) &a ); + +} + +#ifdef BITS64 + +int64 syst_float128_to_int64_round_to_zero( float128 a ) +{ + + return *( (long double *) &a ); + +} + +#endif + +float32 syst_float128_to_float32( float128 a ) +{ + float32 z; + + *( (float *) &z ) = *( (long double *) &a ); + return z; + +} + +float64 syst_float128_to_float64( float128 a ) +{ + float64 z; + + *( (double *) &z ) = *( (long double *) &a ); + return z; + +} + +float128 syst_float128_add( float128 a, float128 b ) +{ + float128 z; + + *( (long double *) &z ) = + *( (long double *) &a ) + *( (long double *) &b ); + return z; + +} + +float128 syst_float128_sub( float128 a, float128 b ) +{ + float128 z; + + *( (long double *) &z ) = + *( (long double *) &a ) - *( (long double *) &b ); + return z; + +} + +float128 syst_float128_mul( float128 a, float128 b ) +{ + float128 z; + + *( (long double *) &z ) = + *( (long double *) &a ) * *( (long double *) &b ); + return z; + +} + +float128 syst_float128_div( float128 a, float128 b ) +{ + float128 z; + + *( (long double *) &z ) = + *( (long double *) &a ) / *( (long double *) &b ); + return z; + +} + +flag syst_float128_eq( float128 a, float128 b ) +{ + + return ( *( (long double *) &a ) == *( (long double *) &b ) ); + +} + +flag syst_float128_le( float128 a, float128 b ) +{ + + return ( *( (long double *) &a ) <= *( (long double *) &b ) ); + +} + +flag syst_float128_lt( float128 a, float128 b ) +{ + + return ( *( (long double *) &a ) < *( (long double *) &b ) ); + +} + +#endif + |