10 /* Now define the internal interfaces. */
13 # if IS_IN (libc) || IS_IN (libm)
14 hidden_proto (__finite
)
15 hidden_proto (__isinf
)
16 hidden_proto (__isnan
)
17 hidden_proto (__finitef
)
18 hidden_proto (__isinff
)
19 hidden_proto (__isnanf
)
21 # ifndef __NO_LONG_DOUBLE_MATH
22 hidden_proto (__finitel
)
23 hidden_proto (__isinfl
)
24 hidden_proto (__isnanl
)
27 # if __HAVE_DISTINCT_FLOAT128
28 hidden_proto (__finitef128
)
29 hidden_proto (__isinff128
)
30 hidden_proto (__isnanf128
)
31 hidden_proto (__signbitf128
)
35 libm_hidden_proto (__fpclassify
)
36 libm_hidden_proto (__fpclassifyf
)
37 libm_hidden_proto (__issignaling
)
38 libm_hidden_proto (__issignalingf
)
39 libm_hidden_proto (__exp
)
40 libm_hidden_proto (__expf
)
41 libm_hidden_proto (__roundeven
)
43 # ifndef __NO_LONG_DOUBLE_MATH
44 libm_hidden_proto (__fpclassifyl
)
45 libm_hidden_proto (__issignalingl
)
46 libm_hidden_proto (__expl
)
47 libm_hidden_proto (__expm1l
)
50 # if __HAVE_DISTINCT_FLOAT128
51 libm_hidden_proto (__fpclassifyf128
)
52 libm_hidden_proto (__issignalingf128
)
53 libm_hidden_proto (__expf128
)
54 libm_hidden_proto (__expm1f128
)
57 # if __HAVE_DISTINCT_FLOAT128
59 /* __builtin_isinf_sign is broken in GCC < 7 for float128. */
60 # if ! __GNUC_PREREQ (7, 0)
61 # include <ieee754_float128.h>
63 __isinff128 (_Float128 x
)
66 GET_FLOAT128_WORDS64 (hx
, lx
, x
);
67 lx
|= (hx
& 0x7fffffffffffffffLL
) ^ 0x7fff000000000000LL
;
69 return ~(lx
>> 63) & (hx
>> 62);
73 extern inline _Float128
74 fabsf128 (_Float128 x
)
76 return __builtin_fabsf128 (x
);
80 # if !(defined __FINITE_MATH_ONLY__ && __FINITE_MATH_ONLY__ > 0)
81 # ifndef NO_MATH_REDIRECT
82 /* Declare some functions for use within GLIBC. Compilers typically
83 inline those functions as a single instruction. Use an asm to
84 avoid use of PLTs if it doesn't. */
85 # define MATH_REDIRECT(FUNC, PREFIX, ARGS) \
86 float (FUNC ## f) (ARGS (float)) asm (PREFIX #FUNC "f"); \
87 double (FUNC) (ARGS (double)) asm (PREFIX #FUNC ); \
88 MATH_REDIRECT_LDBL (FUNC, PREFIX, ARGS) \
89 MATH_REDIRECT_F128 (FUNC, PREFIX, ARGS)
90 # ifdef __NO_LONG_DOUBLE_MATH
91 # define MATH_REDIRECT_LDBL(FUNC, PREFIX, ARGS)
93 # define MATH_REDIRECT_LDBL(FUNC, PREFIX, ARGS) \
94 long double (FUNC ## l) (ARGS (long double)) asm (PREFIX #FUNC "l");
96 # if __HAVE_DISTINCT_FLOAT128
97 # define MATH_REDIRECT_F128(FUNC, PREFIX, ARGS) \
98 _Float128 (FUNC ## f128) (ARGS (_Float128)) asm (PREFIX #FUNC "f128");
100 # define MATH_REDIRECT_F128(FUNC, PREFIX, ARGS)
102 # define MATH_REDIRECT_UNARY_ARGS(TYPE) TYPE
103 # define MATH_REDIRECT_BINARY_ARGS(TYPE) TYPE, TYPE
104 MATH_REDIRECT (sqrt
, "__ieee754_", MATH_REDIRECT_UNARY_ARGS
)
105 MATH_REDIRECT (ceil
, "__", MATH_REDIRECT_UNARY_ARGS
)
106 MATH_REDIRECT (floor
, "__", MATH_REDIRECT_UNARY_ARGS
)
107 MATH_REDIRECT (rint
, "__", MATH_REDIRECT_UNARY_ARGS
)
108 MATH_REDIRECT (trunc
, "__", MATH_REDIRECT_UNARY_ARGS
)
109 MATH_REDIRECT (round
, "__", MATH_REDIRECT_UNARY_ARGS
)
110 MATH_REDIRECT (copysign
, "__", MATH_REDIRECT_BINARY_ARGS
)