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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.
+
+===============================================================================
+*/
+
+#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
+