[mirror_edk2.git] / ArmPkg / Library / ArmSoftFloatLib / Arm / softfloat.h

/*  $NetBSD: softfloat.h,v 1.10 2013/04/24 18:04:46 matt Exp $  */\r
\r
/* This is a derivative work. */\r
\r
/*\r
===============================================================================\r
\r
This C header file is part of the SoftFloat IEC/IEEE Floating-point\r
Arithmetic Package, Release 2a.\r
\r
Written by John R. Hauser.  This work was made possible in part by the\r
International Computer Science Institute, located at Suite 600, 1947 Center\r
Street, Berkeley, California 94704.  Funding was partially provided by the\r
National Science Foundation under grant MIP-9311980.  The original version\r
of this code was written as part of a project to build a fixed-point vector\r
processor in collaboration with the University of California at Berkeley,\r
overseen by Profs. Nelson Morgan and John Wawrzynek.  More information\r
is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/\r
arithmetic/SoftFloat.html'.\r
\r
THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE.  Although reasonable effort\r
has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT\r
TIMES RESULT IN INCORRECT BEHAVIOR.  USE OF THIS SOFTWARE IS RESTRICTED TO\r
PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY\r
AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.\r
\r
Derivative works are acceptable, even for commercial purposes, so long as\r
(1) they include prominent notice that the work is derivative, and (2) they\r
include prominent notice akin to these four paragraphs for those parts of\r
this code that are retained.\r
\r
===============================================================================\r
*/\r
\r
/*\r
-------------------------------------------------------------------------------\r
The macro `FLOATX80' must be defined to enable the extended double-precision\r
floating-point format `floatx80'.  If this macro is not defined, the\r
`floatx80' type will not be defined, and none of the functions that either\r
input or output the `floatx80' type will be defined.  The same applies to\r
the `FLOAT128' macro and the quadruple-precision format `float128'.\r
-------------------------------------------------------------------------------\r
*/\r
/* #define FLOATX80 */\r
/* #define FLOAT128 */\r
\r
#define FE_INVALID      0x01    /* invalid operation exception */\r
#define FE_DIVBYZERO    0x02    /* divide-by-zero exception */\r
#define FE_OVERFLOW     0x04    /* overflow exception */\r
#define FE_UNDERFLOW    0x08    /* underflow exception */\r
#define FE_INEXACT      0x10    /* imprecise (loss of precision; "inexact") */\r
\r
#define FE_ALL_EXCEPT   0x1f\r
\r
#define FE_TONEAREST    0   /* round to nearest representable number */\r
#define FE_UPWARD       1   /* round toward positive infinity */\r
#define FE_DOWNWARD     2   /* round toward negative infinity */\r
#define FE_TOWARDZERO   3   /* round to zero (truncate) */\r
\r
typedef int fp_except;\r
\r
/* Bit defines for fp_except */\r
\r
#define FP_X_INV    FE_INVALID      /* invalid operation exception */\r
#define FP_X_DZ     FE_DIVBYZERO    /* divide-by-zero exception */\r
#define FP_X_OFL    FE_OVERFLOW     /* overflow exception */\r
#define FP_X_UFL    FE_UNDERFLOW    /* underflow exception */\r
#define FP_X_IMP    FE_INEXACT      /* imprecise (prec. loss; "inexact") */\r
\r
/* Rounding modes */\r
\r
typedef enum {\r
    FP_RN=FE_TONEAREST,     /* round to nearest representable number */\r
    FP_RP=FE_UPWARD,        /* round toward positive infinity */\r
    FP_RM=FE_DOWNWARD,      /* round toward negative infinity */\r
    FP_RZ=FE_TOWARDZERO     /* round to zero (truncate) */\r
} fp_rnd;\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE floating-point types.\r
-------------------------------------------------------------------------------\r
*/\r
typedef unsigned int float32;\r
typedef unsigned long long float64;\r
#ifdef FLOATX80\r
typedef struct {\r
    unsigned short high;\r
    unsigned long long low;\r
} floatx80;\r
#endif\r
#ifdef FLOAT128\r
typedef struct {\r
    unsigned long long high, low;\r
} float128;\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE floating-point underflow tininess-detection mode.\r
-------------------------------------------------------------------------------\r
*/\r
#ifndef SOFTFLOAT_FOR_GCC\r
extern int float_detect_tininess;\r
#endif\r
enum {\r
    float_tininess_after_rounding  = 0,\r
    float_tininess_before_rounding = 1\r
};\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE floating-point rounding mode.\r
-------------------------------------------------------------------------------\r
*/\r
extern fp_rnd float_rounding_mode;\r
#define float_round_nearest_even FP_RN\r
#define float_round_to_zero      FP_RZ\r
#define float_round_down         FP_RM\r
#define float_round_up           FP_RP\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE floating-point exception flags.\r
-------------------------------------------------------------------------------\r
*/\r
extern fp_except float_exception_flags;\r
extern fp_except float_exception_mask;\r
enum {\r
    float_flag_inexact   = FP_X_IMP,\r
    float_flag_underflow = FP_X_UFL,\r
    float_flag_overflow  = FP_X_OFL,\r
    float_flag_divbyzero = FP_X_DZ,\r
    float_flag_invalid   = FP_X_INV\r
};\r
\r
/*\r
-------------------------------------------------------------------------------\r
Routine to raise any or all of the software IEC/IEEE floating-point\r
exception flags.\r
-------------------------------------------------------------------------------\r
*/\r
void float_raise( fp_except );\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE integer-to-floating-point conversion routines.\r
-------------------------------------------------------------------------------\r
*/\r
float32 int32_to_float32( int32 );\r
float32 uint32_to_float32( uint32 );\r
float64 int32_to_float64( int32 );\r
float64 uint32_to_float64( uint32 );\r
#ifdef FLOATX80\r
floatx80 int32_to_floatx80( int32 );\r
floatx80 uint32_to_floatx80( uint32 );\r
#endif\r
#ifdef FLOAT128\r
float128 int32_to_float128( int32 );\r
float128 uint32_to_float128( uint32 );\r
#endif\r
#ifndef SOFTFLOAT_FOR_GCC /* __floatdi?f is in libgcc2.c */\r
float32 int64_to_float32( long long );\r
float64 int64_to_float64( long long );\r
#ifdef FLOATX80\r
floatx80 int64_to_floatx80( long long );\r
#endif\r
#ifdef FLOAT128\r
float128 int64_to_float128( long long );\r
#endif\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE single-precision conversion routines.\r
-------------------------------------------------------------------------------\r
*/\r
int float32_to_int32( float32 );\r
int float32_to_int32_round_to_zero( float32 );\r
#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS)\r
unsigned int float32_to_uint32_round_to_zero( float32 );\r
#endif\r
#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */\r
long long float32_to_int64( float32 );\r
long long float32_to_int64_round_to_zero( float32 );\r
#endif\r
float64 float32_to_float64( float32 );\r
#ifdef FLOATX80\r
floatx80 float32_to_floatx80( float32 );\r
#endif\r
#ifdef FLOAT128\r
float128 float32_to_float128( float32 );\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE single-precision operations.\r
-------------------------------------------------------------------------------\r
*/\r
float32 float32_round_to_int( float32 );\r
float32 float32_add( float32, float32 );\r
float32 float32_sub( float32, float32 );\r
float32 float32_mul( float32, float32 );\r
float32 float32_div( float32, float32 );\r
float32 float32_rem( float32, float32 );\r
float32 float32_sqrt( float32 );\r
int float32_eq( float32, float32 );\r
int float32_le( float32, float32 );\r
int float32_lt( float32, float32 );\r
int float32_eq_signaling( float32, float32 );\r
int float32_le_quiet( float32, float32 );\r
int float32_lt_quiet( float32, float32 );\r
#ifndef SOFTFLOAT_FOR_GCC\r
int float32_is_signaling_nan( float32 );\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE double-precision conversion routines.\r
-------------------------------------------------------------------------------\r
*/\r
int float64_to_int32( float64 );\r
int float64_to_int32_round_to_zero( float64 );\r
#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS)\r
unsigned int float64_to_uint32_round_to_zero( float64 );\r
#endif\r
#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */\r
long long float64_to_int64( float64 );\r
long long float64_to_int64_round_to_zero( float64 );\r
#endif\r
float32 float64_to_float32( float64 );\r
#ifdef FLOATX80\r
floatx80 float64_to_floatx80( float64 );\r
#endif\r
#ifdef FLOAT128\r
float128 float64_to_float128( float64 );\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE double-precision operations.\r
-------------------------------------------------------------------------------\r
*/\r
float64 float64_round_to_int( float64 );\r
float64 float64_add( float64, float64 );\r
float64 float64_sub( float64, float64 );\r
float64 float64_mul( float64, float64 );\r
float64 float64_div( float64, float64 );\r
float64 float64_rem( float64, float64 );\r
float64 float64_sqrt( float64 );\r
int float64_eq( float64, float64 );\r
int float64_le( float64, float64 );\r
int float64_lt( float64, float64 );\r
int float64_eq_signaling( float64, float64 );\r
int float64_le_quiet( float64, float64 );\r
int float64_lt_quiet( float64, float64 );\r
#ifndef SOFTFLOAT_FOR_GCC\r
int float64_is_signaling_nan( float64 );\r
#endif\r
\r
#ifdef FLOATX80\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE extended double-precision conversion routines.\r
-------------------------------------------------------------------------------\r
*/\r
int floatx80_to_int32( floatx80 );\r
int floatx80_to_int32_round_to_zero( floatx80 );\r
long long floatx80_to_int64( floatx80 );\r
long long floatx80_to_int64_round_to_zero( floatx80 );\r
float32 floatx80_to_float32( floatx80 );\r
float64 floatx80_to_float64( floatx80 );\r
#ifdef FLOAT128\r
float128 floatx80_to_float128( floatx80 );\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE extended double-precision rounding precision.  Valid\r
values are 32, 64, and 80.\r
-------------------------------------------------------------------------------\r
*/\r
extern int floatx80_rounding_precision;\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE extended double-precision operations.\r
-------------------------------------------------------------------------------\r
*/\r
floatx80 floatx80_round_to_int( floatx80 );\r
floatx80 floatx80_add( floatx80, floatx80 );\r
floatx80 floatx80_sub( floatx80, floatx80 );\r
floatx80 floatx80_mul( floatx80, floatx80 );\r
floatx80 floatx80_div( floatx80, floatx80 );\r
floatx80 floatx80_rem( floatx80, floatx80 );\r
floatx80 floatx80_sqrt( floatx80 );\r
int floatx80_eq( floatx80, floatx80 );\r
int floatx80_le( floatx80, floatx80 );\r
int floatx80_lt( floatx80, floatx80 );\r
int floatx80_eq_signaling( floatx80, floatx80 );\r
int floatx80_le_quiet( floatx80, floatx80 );\r
int floatx80_lt_quiet( floatx80, floatx80 );\r
int floatx80_is_signaling_nan( floatx80 );\r
\r
#endif\r
\r
#ifdef FLOAT128\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE quadruple-precision conversion routines.\r
-------------------------------------------------------------------------------\r
*/\r
int float128_to_int32( float128 );\r
int float128_to_int32_round_to_zero( float128 );\r
long long float128_to_int64( float128 );\r
long long float128_to_int64_round_to_zero( float128 );\r
float32 float128_to_float32( float128 );\r
float64 float128_to_float64( float128 );\r
#ifdef FLOATX80\r
floatx80 float128_to_floatx80( float128 );\r
#endif\r
\r
/*\r
-------------------------------------------------------------------------------\r
Software IEC/IEEE quadruple-precision operations.\r
-------------------------------------------------------------------------------\r
*/\r
float128 float128_round_to_int( float128 );\r
float128 float128_add( float128, float128 );\r
float128 float128_sub( float128, float128 );\r
float128 float128_mul( float128, float128 );\r
float128 float128_div( float128, float128 );\r
float128 float128_rem( float128, float128 );\r
float128 float128_sqrt( float128 );\r
int float128_eq( float128, float128 );\r
int float128_le( float128, float128 );\r
int float128_lt( float128, float128 );\r
int float128_eq_signaling( float128, float128 );\r
int float128_le_quiet( float128, float128 );\r
int float128_lt_quiet( float128, float128 );\r
int float128_is_signaling_nan( float128 );\r
\r
#endif\r
Commit	Line	Data
1dbda2b4 AB	1	/* $NetBSD: softfloat.h,v 1.10 2013/04/24 18:04:46 matt Exp $ */\r
	2	\r
	3	/* This is a derivative work. */\r
	4	\r
	5	/*\r
	6	===============================================================================\r
	7	\r
	8	This C header file is part of the SoftFloat IEC/IEEE Floating-point\r
	9	Arithmetic Package, Release 2a.\r
	10	\r
	11	Written by John R. Hauser. This work was made possible in part by the\r
	12	International Computer Science Institute, located at Suite 600, 1947 Center\r
	13	Street, Berkeley, California 94704. Funding was partially provided by the\r
	14	National Science Foundation under grant MIP-9311980. The original version\r
	15	of this code was written as part of a project to build a fixed-point vector\r
	16	processor in collaboration with the University of California at Berkeley,\r
	17	overseen by Profs. Nelson Morgan and John Wawrzynek. More information\r
	18	is available through the Web page `http://HTTP.CS.Berkeley.EDU/~jhauser/\r
	19	arithmetic/SoftFloat.html'.\r
	20	\r
	21	THIS SOFTWARE IS DISTRIBUTED AS IS, FOR FREE. Although reasonable effort\r
	22	has been made to avoid it, THIS SOFTWARE MAY CONTAIN FAULTS THAT WILL AT\r
	23	TIMES RESULT IN INCORRECT BEHAVIOR. USE OF THIS SOFTWARE IS RESTRICTED TO\r
	24	PERSONS AND ORGANIZATIONS WHO CAN AND WILL TAKE FULL RESPONSIBILITY FOR ANY\r
	25	AND ALL LOSSES, COSTS, OR OTHER PROBLEMS ARISING FROM ITS USE.\r
	26	\r
	27	Derivative works are acceptable, even for commercial purposes, so long as\r
	28	(1) they include prominent notice that the work is derivative, and (2) they\r
	29	include prominent notice akin to these four paragraphs for those parts of\r
	30	this code that are retained.\r
	31	\r
	32	===============================================================================\r
	33	*/\r
	34	\r
	35	/*\r
	36	-------------------------------------------------------------------------------\r
	37	The macro `FLOATX80' must be defined to enable the extended double-precision\r
	38	floating-point format `floatx80'. If this macro is not defined, the\r
	39	`floatx80' type will not be defined, and none of the functions that either\r
	40	input or output the `floatx80' type will be defined. The same applies to\r
	41	the `FLOAT128' macro and the quadruple-precision format `float128'.\r
	42	-------------------------------------------------------------------------------\r
	43	*/\r
	44	/* #define FLOATX80 */\r
	45	/* #define FLOAT128 */\r
	46	\r
	47	#define FE_INVALID 0x01 /* invalid operation exception */\r
	48	#define FE_DIVBYZERO 0x02 /* divide-by-zero exception */\r
	49	#define FE_OVERFLOW 0x04 /* overflow exception */\r
	50	#define FE_UNDERFLOW 0x08 /* underflow exception */\r
	51	#define FE_INEXACT 0x10 /* imprecise (loss of precision; "inexact") */\r
	52	\r
	53	#define FE_ALL_EXCEPT 0x1f\r
	54	\r
	55	#define FE_TONEAREST 0 /* round to nearest representable number */\r
	56	#define FE_UPWARD 1 /* round toward positive infinity */\r
	57	#define FE_DOWNWARD 2 /* round toward negative infinity */\r
	58	#define FE_TOWARDZERO 3 /* round to zero (truncate) */\r
	59	\r
	60	typedef int fp_except;\r
	61	\r
	62	/* Bit defines for fp_except */\r
	63	\r
	64	#define FP_X_INV FE_INVALID /* invalid operation exception */\r
65	#define FP_X_DZ FE_DIVBYZERO /* divide-by-zero exception */\r
66	#define FP_X_OFL FE_OVERFLOW /* overflow exception */\r
67	#define FP_X_UFL FE_UNDERFLOW /* underflow exception */\r
68	#define FP_X_IMP FE_INEXACT /* imprecise (prec. loss; "inexact") */\r
69	\r
70	/* Rounding modes */\r
71	\r
72	typedef enum {\r
73	FP_RN=FE_TONEAREST, /* round to nearest representable number */\r
74	FP_RP=FE_UPWARD, /* round toward positive infinity */\r
75	FP_RM=FE_DOWNWARD, /* round toward negative infinity */\r
76	FP_RZ=FE_TOWARDZERO /* round to zero (truncate) */\r
77	} fp_rnd;\r
78	\r
79	/*\r
80	-------------------------------------------------------------------------------\r
81	Software IEC/IEEE floating-point types.\r
82	-------------------------------------------------------------------------------\r
83	*/\r
84	typedef unsigned int float32;\r
85	typedef unsigned long long float64;\r
86	#ifdef FLOATX80\r
87	typedef struct {\r
88	unsigned short high;\r
89	unsigned long long low;\r
90	} floatx80;\r
91	#endif\r
92	#ifdef FLOAT128\r
93	typedef struct {\r
94	unsigned long long high, low;\r
95	} float128;\r
96	#endif\r
97	\r
98	/*\r
99	-------------------------------------------------------------------------------\r
100	Software IEC/IEEE floating-point underflow tininess-detection mode.\r
101	-------------------------------------------------------------------------------\r
102	*/\r
103	#ifndef SOFTFLOAT_FOR_GCC\r
104	extern int float_detect_tininess;\r
105	#endif\r
106	enum {\r
107	float_tininess_after_rounding = 0,\r
108	float_tininess_before_rounding = 1\r
109	};\r
110	\r
111	/*\r
112	-------------------------------------------------------------------------------\r
113	Software IEC/IEEE floating-point rounding mode.\r
114	-------------------------------------------------------------------------------\r
115	*/\r
116	extern fp_rnd float_rounding_mode;\r
117	#define float_round_nearest_even FP_RN\r
118	#define float_round_to_zero FP_RZ\r
119	#define float_round_down FP_RM\r
120	#define float_round_up FP_RP\r
121	\r
122	/*\r
123	-------------------------------------------------------------------------------\r
124	Software IEC/IEEE floating-point exception flags.\r
125	-------------------------------------------------------------------------------\r
126	*/\r
127	extern fp_except float_exception_flags;\r
128	extern fp_except float_exception_mask;\r
129	enum {\r
130	float_flag_inexact = FP_X_IMP,\r
131	float_flag_underflow = FP_X_UFL,\r
132	float_flag_overflow = FP_X_OFL,\r
133	float_flag_divbyzero = FP_X_DZ,\r
134	float_flag_invalid = FP_X_INV\r
135	};\r
136	\r
137	/*\r
138	-------------------------------------------------------------------------------\r
139	Routine to raise any or all of the software IEC/IEEE floating-point\r
140	exception flags.\r
141	-------------------------------------------------------------------------------\r
142	*/\r
143	void float_raise( fp_except );\r
144	\r
145	/*\r
146	-------------------------------------------------------------------------------\r
147	Software IEC/IEEE integer-to-floating-point conversion routines.\r
148	-------------------------------------------------------------------------------\r
149	*/\r
150	float32 int32_to_float32( int32 );\r
151	float32 uint32_to_float32( uint32 );\r
152	float64 int32_to_float64( int32 );\r
153	float64 uint32_to_float64( uint32 );\r
154	#ifdef FLOATX80\r
155	floatx80 int32_to_floatx80( int32 );\r
156	floatx80 uint32_to_floatx80( uint32 );\r
157	#endif\r
158	#ifdef FLOAT128\r
159	float128 int32_to_float128( int32 );\r
160	float128 uint32_to_float128( uint32 );\r
161	#endif\r
162	#ifndef SOFTFLOAT_FOR_GCC /* __floatdi?f is in libgcc2.c */\r
163	float32 int64_to_float32( long long );\r
164	float64 int64_to_float64( long long );\r
165	#ifdef FLOATX80\r
166	floatx80 int64_to_floatx80( long long );\r
167	#endif\r
168	#ifdef FLOAT128\r
169	float128 int64_to_float128( long long );\r
170	#endif\r
171	#endif\r
172	\r
173	/*\r
174	-------------------------------------------------------------------------------\r
175	Software IEC/IEEE single-precision conversion routines.\r
176	-------------------------------------------------------------------------------\r
177	*/\r
178	int float32_to_int32( float32 );\r
179	int float32_to_int32_round_to_zero( float32 );\r
180	#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS)\r
181	unsigned int float32_to_uint32_round_to_zero( float32 );\r
182	#endif\r
183	#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */\r
184	long long float32_to_int64( float32 );\r
185	long long float32_to_int64_round_to_zero( float32 );\r
186	#endif\r
187	float64 float32_to_float64( float32 );\r
188	#ifdef FLOATX80\r
189	floatx80 float32_to_floatx80( float32 );\r
190	#endif\r
191	#ifdef FLOAT128\r
192	float128 float32_to_float128( float32 );\r
193	#endif\r
194	\r
195	/*\r
196	-------------------------------------------------------------------------------\r
197	Software IEC/IEEE single-precision operations.\r
198	-------------------------------------------------------------------------------\r
199	*/\r
200	float32 float32_round_to_int( float32 );\r
201	float32 float32_add( float32, float32 );\r
202	float32 float32_sub( float32, float32 );\r
203	float32 float32_mul( float32, float32 );\r
204	float32 float32_div( float32, float32 );\r
205	float32 float32_rem( float32, float32 );\r
206	float32 float32_sqrt( float32 );\r
207	int float32_eq( float32, float32 );\r
208	int float32_le( float32, float32 );\r
209	int float32_lt( float32, float32 );\r
210	int float32_eq_signaling( float32, float32 );\r
211	int float32_le_quiet( float32, float32 );\r
212	int float32_lt_quiet( float32, float32 );\r
213	#ifndef SOFTFLOAT_FOR_GCC\r
214	int float32_is_signaling_nan( float32 );\r
215	#endif\r
216	\r
217	/*\r
218	-------------------------------------------------------------------------------\r
219	Software IEC/IEEE double-precision conversion routines.\r
220	-------------------------------------------------------------------------------\r
221	*/\r
222	int float64_to_int32( float64 );\r
223	int float64_to_int32_round_to_zero( float64 );\r
224	#if defined(SOFTFLOAT_FOR_GCC) && defined(SOFTFLOAT_NEED_FIXUNS)\r
225	unsigned int float64_to_uint32_round_to_zero( float64 );\r
226	#endif\r
227	#ifndef SOFTFLOAT_FOR_GCC /* __fix?fdi provided by libgcc2.c */\r
228	long long float64_to_int64( float64 );\r
229	long long float64_to_int64_round_to_zero( float64 );\r
230	#endif\r
231	float32 float64_to_float32( float64 );\r
232	#ifdef FLOATX80\r
233	floatx80 float64_to_floatx80( float64 );\r
234	#endif\r
235	#ifdef FLOAT128\r
236	float128 float64_to_float128( float64 );\r
237	#endif\r
238	\r
239	/*\r
240	-------------------------------------------------------------------------------\r
241	Software IEC/IEEE double-precision operations.\r
242	-------------------------------------------------------------------------------\r
243	*/\r
244	float64 float64_round_to_int( float64 );\r
245	float64 float64_add( float64, float64 );\r
246	float64 float64_sub( float64, float64 );\r
247	float64 float64_mul( float64, float64 );\r
248	float64 float64_div( float64, float64 );\r
249	float64 float64_rem( float64, float64 );\r
250	float64 float64_sqrt( float64 );\r
251	int float64_eq( float64, float64 );\r
252	int float64_le( float64, float64 );\r
253	int float64_lt( float64, float64 );\r
254	int float64_eq_signaling( float64, float64 );\r
255	int float64_le_quiet( float64, float64 );\r
256	int float64_lt_quiet( float64, float64 );\r
257	#ifndef SOFTFLOAT_FOR_GCC\r
258	int float64_is_signaling_nan( float64 );\r
259	#endif\r
260	\r
261	#ifdef FLOATX80\r
262	\r
263	/*\r
264	-------------------------------------------------------------------------------\r
265	Software IEC/IEEE extended double-precision conversion routines.\r
266	-------------------------------------------------------------------------------\r
267	*/\r
268	int floatx80_to_int32( floatx80 );\r
269	int floatx80_to_int32_round_to_zero( floatx80 );\r
270	long long floatx80_to_int64( floatx80 );\r
271	long long floatx80_to_int64_round_to_zero( floatx80 );\r
272	float32 floatx80_to_float32( floatx80 );\r
273	float64 floatx80_to_float64( floatx80 );\r
274	#ifdef FLOAT128\r
275	float128 floatx80_to_float128( floatx80 );\r
276	#endif\r
277	\r
278	/*\r
279	-------------------------------------------------------------------------------\r
280	Software IEC/IEEE extended double-precision rounding precision. Valid\r
281	values are 32, 64, and 80.\r
282	-------------------------------------------------------------------------------\r
283	*/\r
284	extern int floatx80_rounding_precision;\r
285	\r
286	/*\r
287	-------------------------------------------------------------------------------\r
288	Software IEC/IEEE extended double-precision operations.\r
289	-------------------------------------------------------------------------------\r
290	*/\r
291	floatx80 floatx80_round_to_int( floatx80 );\r
292	floatx80 floatx80_add( floatx80, floatx80 );\r
293	floatx80 floatx80_sub( floatx80, floatx80 );\r
294	floatx80 floatx80_mul( floatx80, floatx80 );\r
295	floatx80 floatx80_div( floatx80, floatx80 );\r
296	floatx80 floatx80_rem( floatx80, floatx80 );\r
297	floatx80 floatx80_sqrt( floatx80 );\r
298	int floatx80_eq( floatx80, floatx80 );\r
299	int floatx80_le( floatx80, floatx80 );\r
300	int floatx80_lt( floatx80, floatx80 );\r
301	int floatx80_eq_signaling( floatx80, floatx80 );\r
302	int floatx80_le_quiet( floatx80, floatx80 );\r
303	int floatx80_lt_quiet( floatx80, floatx80 );\r
304	int floatx80_is_signaling_nan( floatx80 );\r
305	\r
306	#endif\r
307	\r
308	#ifdef FLOAT128\r
309	\r
310	/*\r
311	-------------------------------------------------------------------------------\r
312	Software IEC/IEEE quadruple-precision conversion routines.\r
313	-------------------------------------------------------------------------------\r
314	*/\r
315	int float128_to_int32( float128 );\r
316	int float128_to_int32_round_to_zero( float128 );\r
317	long long float128_to_int64( float128 );\r
318	long long float128_to_int64_round_to_zero( float128 );\r
319	float32 float128_to_float32( float128 );\r
320	float64 float128_to_float64( float128 );\r
321	#ifdef FLOATX80\r
322	floatx80 float128_to_floatx80( float128 );\r
323	#endif\r
324	\r
325	/*\r
326	-------------------------------------------------------------------------------\r
327	Software IEC/IEEE quadruple-precision operations.\r
328	-------------------------------------------------------------------------------\r
329	*/\r
330	float128 float128_round_to_int( float128 );\r
331	float128 float128_add( float128, float128 );\r
332	float128 float128_sub( float128, float128 );\r
333	float128 float128_mul( float128, float128 );\r
334	float128 float128_div( float128, float128 );\r
335	float128 float128_rem( float128, float128 );\r
336	float128 float128_sqrt( float128 );\r
337	int float128_eq( float128, float128 );\r
338	int float128_le( float128, float128 );\r
339	int float128_lt( float128, float128 );\r
340	int float128_eq_signaling( float128, float128 );\r
341	int float128_le_quiet( float128, float128 );\r
342	int float128_lt_quiet( float128, float128 );\r
343	int float128_is_signaling_nan( float128 );\r
344	\r
345	#endif\r