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authorWaldemar Brodkorb <wbx@openadk.org>2016-02-14 02:55:33 (GMT)
committerWaldemar Brodkorb <wbx@openadk.org>2016-02-19 18:25:47 (GMT)
commitabfbe76cb5adff2e7c9ddd4dc10c3dcc641d8949 (patch)
treeffd280132ba5cd871c17b6d5ceae239e60de9932 /libm
parent337531c6d5d2b3f04711933ac12432c1fa3f3254 (diff)
libm: remove dead code
_IEEE_LIBM is always defined, so the other code is never used. I don't know when it was actively used.
Diffstat (limited to 'libm')
-rw-r--r--libm/Makefile.in5
-rw-r--r--libm/e_acos.c15
-rw-r--r--libm/e_acosh.c15
-rw-r--r--libm/e_asin.c15
-rw-r--r--libm/e_atan2.c15
-rw-r--r--libm/e_atanh.c20
-rw-r--r--libm/e_cosh.c15
-rw-r--r--libm/e_exp.c22
-rw-r--r--libm/e_fmod.c15
-rw-r--r--libm/e_hypot.c15
-rw-r--r--libm/e_j0.c37
-rw-r--r--libm/e_j1.c36
-rw-r--r--libm/e_jn.c36
-rw-r--r--libm/e_lgamma_r.c41
-rw-r--r--libm/e_log.c15
-rw-r--r--libm/e_log10.c18
-rw-r--r--libm/e_pow.c34
-rw-r--r--libm/e_remainder.c16
-rw-r--r--libm/e_scalb.c22
-rw-r--r--libm/e_sinh.c15
-rw-r--r--libm/e_sqrt.c15
-rw-r--r--libm/k_standard.c772
-rw-r--r--libm/math_private.h3
-rw-r--r--libm/s_matherr.c24
24 files changed, 2 insertions, 1234 deletions
diff --git a/libm/Makefile.in b/libm/Makefile.in
index f0e5528..835e7bf 100644
--- a/libm/Makefile.in
+++ b/libm/Makefile.in
@@ -23,7 +23,6 @@
subdirs += libm libm/$(TARGET_ARCH)
CFLAGS-libm := -DNOT_IN_libc -DIS_IN_libm $(SSP_ALL_CFLAGS)
-CFLAGS-libm += -D_IEEE_LIBM
LDFLAGS-$(UCLIBC_FORMAT_DSBT_ELF)-libm.so := -Wl,--dsbt-index=5
LDFLAGS-libm.so := $(LDFLAGS)
@@ -59,11 +58,11 @@ libm_CSRC := \
e_exp.c e_exp10.c e_fmod.c e_hypot.c \
e_lgamma_r.c e_log.c e_log2.c e_log10.c \
e_pow.c e_remainder.c e_rem_pio2.c e_scalb.c e_sinh.c \
- e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_standard.c k_tan.c \
+ e_sqrt.c k_cos.c k_rem_pio2.c k_sin.c k_tan.c \
s_asinh.c s_atan.c s_cbrt.c s_ceil.c s_copysign.c s_cos.c \
s_erf.c s_expm1.c s_fabs.c s_finite.c s_floor.c s_frexp.c \
s_ilogb.c s_ldexp.c s_lib_version.c s_lrint.c s_lround.c s_llround.c \
- s_log1p.c s_logb.c s_matherr.c s_modf.c s_nextafter.c \
+ s_log1p.c s_logb.c s_modf.c s_nextafter.c \
s_nextafterf.c s_round.c \
s_rint.c s_scalbn.c s_signgam.c s_significand.c s_sin.c s_tan.c \
s_tanh.c s_trunc.c \
diff --git a/libm/e_acos.c b/libm/e_acos.c
index 8d2c880..acf1013 100644
--- a/libm/e_acos.c
+++ b/libm/e_acos.c
@@ -96,20 +96,5 @@ double __ieee754_acos(double x)
}
}
-/*
- * wrap_acos(x)
- */
-#ifndef _IEEE_LIBM
-double acos(double x)
-{
- double z = __ieee754_acos(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (fabs(x) > 1.0)
- return __kernel_standard(x, x, 1); /* acos(|x|>1) */
- return z;
-}
-#else
strong_alias(__ieee754_acos, acos)
-#endif
libm_hidden_def(acos)
diff --git a/libm/e_acosh.c b/libm/e_acosh.c
index 8f509e3..17e29c8 100644
--- a/libm/e_acosh.c
+++ b/libm/e_acosh.c
@@ -54,20 +54,5 @@ double __ieee754_acosh(double x)
}
}
-/*
- * wrapper acosh(x)
- */
-#ifndef _IEEE_LIBM
-double acosh(double x)
-{
- double z = __ieee754_acosh(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (x < 1.0)
- return __kernel_standard(x, x, 29); /* acosh(x<1) */
- return z;
-}
-#else
strong_alias(__ieee754_acosh, acosh)
-#endif
libm_hidden_def(acosh)
diff --git a/libm/e_asin.c b/libm/e_asin.c
index 2801b32..1441acb 100644
--- a/libm/e_asin.c
+++ b/libm/e_asin.c
@@ -105,20 +105,5 @@ double __ieee754_asin(double x)
if(hx>0) return t; else return -t;
}
-/*
- * wrapper asin(x)
- */
-#ifndef _IEEE_LIBM
-double asin(double x)
-{
- double z = __ieee754_asin(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (fabs(x) > 1.0)
- return __kernel_standard(x, x, 2); /* asin(|x|>1) */
- return z;
-}
-#else
strong_alias(__ieee754_asin, asin)
-#endif
libm_hidden_def(asin)
diff --git a/libm/e_atan2.c b/libm/e_atan2.c
index ef7ffa9..ef379aa 100644
--- a/libm/e_atan2.c
+++ b/libm/e_atan2.c
@@ -115,20 +115,5 @@ double __ieee754_atan2(double y, double x)
}
}
-/*
- * wrapper atan2(y,x)
- */
-#ifndef _IEEE_LIBM
-double atan2(double y, double x)
-{
- double z = __ieee754_atan2(y, x);
- if (_LIB_VERSION == _IEEE_ || isnan(x) || isnan(y))
- return z;
- if (x == 0.0 && y == 0.0)
- return __kernel_standard(y,x,3); /* atan2(+-0,+-0) */
- return z;
-}
-#else
strong_alias(__ieee754_atan2, atan2)
-#endif
libm_hidden_def(atan2)
diff --git a/libm/e_atanh.c b/libm/e_atanh.c
index ce8d5c7..fb36a1a 100644
--- a/libm/e_atanh.c
+++ b/libm/e_atanh.c
@@ -55,25 +55,5 @@ double __ieee754_atanh(double x)
if(hx>=0) return t; else return -t;
}
-/*
- * wrapper atanh(x)
- */
-#ifndef _IEEE_LIBM
-double atanh(double x)
-{
- double z, y;
- z = __ieee754_atanh(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- y = fabs(x);
- if (y >= 1.0) {
- if (y > 1.0)
- return __kernel_standard(x, x, 30); /* atanh(|x|>1) */
- return __kernel_standard(x, x, 31); /* atanh(|x|==1) */
- }
- return z;
-}
-#else
strong_alias(__ieee754_atanh, atanh)
-#endif
libm_hidden_def(atanh)
diff --git a/libm/e_cosh.c b/libm/e_cosh.c
index 6923b93..a8e34aa 100644
--- a/libm/e_cosh.c
+++ b/libm/e_cosh.c
@@ -78,20 +78,5 @@ double __ieee754_cosh(double x)
return huge*huge;
}
-/*
- * wrapper cosh(x)
- */
-#ifndef _IEEE_LIBM
-double cosh(double x)
-{
- double z = __ieee754_cosh(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (fabs(x) > 7.10475860073943863426e+02)
- return __kernel_standard(x, x, 5); /* cosh overflow */
- return z;
-}
-#else
strong_alias(__ieee754_cosh, cosh)
-#endif
libm_hidden_def(cosh)
diff --git a/libm/e_exp.c b/libm/e_exp.c
index e82a6db..ce958d1 100644
--- a/libm/e_exp.c
+++ b/libm/e_exp.c
@@ -156,27 +156,5 @@ double __ieee754_exp(double x) /* default IEEE double exp */
}
}
-/*
- * wrapper exp(x)
- */
-#ifndef _IEEE_LIBM
-double exp(double x)
-{
- static const double o_threshold = 7.09782712893383973096e+02; /* 0x40862E42, 0xFEFA39EF */
- static const double u_threshold = -7.45133219101941108420e+02; /* 0xc0874910, 0xD52D3051 */
-
- double z = __ieee754_exp(x);
- if (_LIB_VERSION == _IEEE_)
- return z;
- if (isfinite(x)) {
- if (x > o_threshold)
- return __kernel_standard(x, x, 6); /* exp overflow */
- if (x < u_threshold)
- return __kernel_standard(x, x, 7); /* exp underflow */
- }
- return z;
-}
-#else
strong_alias(__ieee754_exp, exp)
-#endif
libm_hidden_def(exp)
diff --git a/libm/e_fmod.c b/libm/e_fmod.c
index 54062a5..7857854 100644
--- a/libm/e_fmod.c
+++ b/libm/e_fmod.c
@@ -125,20 +125,5 @@ double __ieee754_fmod(double x, double y)
return x; /* exact output */
}
-/*
- * wrapper fmod(x,y)
- */
-#ifndef _IEEE_LIBM
-double fmod(double x, double y)
-{
- double z = __ieee754_fmod(x, y);
- if (_LIB_VERSION == _IEEE_ || isnan(y) || isnan(x))
- return z;
- if (y == 0.0)
- return __kernel_standard(x, y, 27); /* fmod(x,0) */
- return z;
-}
-#else
strong_alias(__ieee754_fmod, fmod)
-#endif
libm_hidden_def(fmod)
diff --git a/libm/e_hypot.c b/libm/e_hypot.c
index e343386..cd63b73 100644
--- a/libm/e_hypot.c
+++ b/libm/e_hypot.c
@@ -117,20 +117,5 @@ double __ieee754_hypot(double x, double y)
} else return w;
}
-/*
- * wrapper hypot(x,y)
- */
-#ifndef _IEEE_LIBM
-double hypot(double x, double y)
-{
- double z = __ieee754_hypot(x, y);
- if (_LIB_VERSION == _IEEE_)
- return z;
- if ((!isfinite(z)) && isfinite(x) && isfinite(y))
- return __kernel_standard(x, y, 4); /* hypot overflow */
- return z;
-}
-#else
strong_alias(__ieee754_hypot, hypot)
-#endif
libm_hidden_def(hypot)
diff --git a/libm/e_j0.c b/libm/e_j0.c
index ac2e0ea..f740d19 100644
--- a/libm/e_j0.c
+++ b/libm/e_j0.c
@@ -123,22 +123,7 @@ double __ieee754_j0(double x)
}
}
-/*
- * wrapper j0(double x)
- */
-#ifndef _IEEE_LIBM
-double j0(double x)
-{
- double z = __ieee754_j0(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (fabs(x) > X_TLOSS)
- return __kernel_standard(x, x, 34); /* j0(|x|>X_TLOSS) */
- return z;
-}
-#else
strong_alias(__ieee754_j0, j0)
-#endif
static const double
u00 = -7.38042951086872317523e-02, /* 0xBFB2E4D6, 0x99CBD01F */
@@ -205,29 +190,7 @@ double __ieee754_y0(double x)
return(u/v + tpi*(__ieee754_j0(x)*__ieee754_log(x)));
}
-/*
- * wrapper y0(double x)
- */
-#ifndef _IEEE_LIBM
-double y0(double x)
-{
- double z = __ieee754_y0(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (x <= 0.0) {
- if (x == 0.0) /* d= -one/(x-x); */
- return __kernel_standard(x, x, 8);
- /* d = zero/(x-x); */
- return __kernel_standard(x, x, 9);
- }
- if (x > X_TLOSS)
- return __kernel_standard(x, x, 35); /* y0(x>X_TLOSS) */
- return z;
-}
-#else
strong_alias(__ieee754_y0, y0)
-#endif
-
/* The asymptotic expansions of pzero is
* 1 - 9/128 s^2 + 11025/98304 s^4 - ..., where s = 1/x.
diff --git a/libm/e_j1.c b/libm/e_j1.c
index 807edd8..78754b4 100644
--- a/libm/e_j1.c
+++ b/libm/e_j1.c
@@ -118,22 +118,7 @@ double __ieee754_j1(double x)
return(x*0.5+r/s);
}
-/*
- * wrapper of j1
- */
-#ifndef _IEEE_LIBM
-double j1(double x)
-{
- double z = __ieee754_j1(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (fabs(x) > X_TLOSS)
- return __kernel_standard(x, x, 36); /* j1(|x|>X_TLOSS) */
- return z;
-}
-#else
strong_alias(__ieee754_j1, j1)
-#endif
static const double U0[5] = {
-1.96057090646238940668e-01, /* 0xBFC91866, 0x143CBC8A */
@@ -198,28 +183,7 @@ double __ieee754_y1(double x)
return(x*(u/v) + tpi*(__ieee754_j1(x)*__ieee754_log(x)-one/x));
}
-/*
- * wrapper of y1
- */
-#ifndef _IEEE_LIBM
-double y1(double x)
-{
- double z = __ieee754_y1(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (x <= 0.0) {
- if (x == 0.0) /* d = -one/(x-x); */
- return __kernel_standard(x, x, 10);
- /* d = zero/(x-x); */
- return __kernel_standard(x, x, 11);
- }
- if (x > X_TLOSS)
- return __kernel_standard(x, x, 37); /* y1(x>X_TLOSS) */
- return z;
-}
-#else
strong_alias(__ieee754_y1, y1)
-#endif
/* For x >= 8, the asymptotic expansions of pone is
* 1 + 15/128 s^2 - 4725/2^15 s^4 - ..., where s = 1/x.
diff --git a/libm/e_jn.c b/libm/e_jn.c
index 5f7d95a..2133905 100644
--- a/libm/e_jn.c
+++ b/libm/e_jn.c
@@ -200,22 +200,7 @@ double __ieee754_jn(int n, double x)
if(sgn==1) return -b; else return b;
}
-/*
- * wrapper jn(int n, double x)
- */
-#ifndef _IEEE_LIBM
-double jn(int n, double x)
-{
- double z = __ieee754_jn(n, x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (fabs(x) > X_TLOSS)
- return __kernel_standard((double)n, x, 38); /* jn(|x|>X_TLOSS,n) */
- return z;
-}
-#else
strong_alias(__ieee754_jn, jn)
-#endif
double __ieee754_yn(int n, double x)
{
@@ -274,25 +259,4 @@ double __ieee754_yn(int n, double x)
if(sign>0) return b; else return -b;
}
-/*
- * wrapper yn(int n, double x)
- */
-#ifndef _IEEE_LIBM
-double yn(int n, double x) /* wrapper yn */
-{
- double z = __ieee754_yn(n, x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (x <= 0.0) {
- if(x == 0.0) /* d= -one/(x-x); */
- return __kernel_standard((double)n, x, 12);
- /* d = zero/(x-x); */
- return __kernel_standard((double)n, x, 13);
- }
- if (x > X_TLOSS)
- return __kernel_standard((double)n, x, 39); /* yn(x>X_TLOSS,n) */
- return z;
-}
-#else
strong_alias(__ieee754_yn, yn)
-#endif
diff --git a/libm/e_lgamma_r.c b/libm/e_lgamma_r.c
index c91166a..82005ea 100644
--- a/libm/e_lgamma_r.c
+++ b/libm/e_lgamma_r.c
@@ -295,25 +295,7 @@ double __ieee754_lgamma_r(double x, int *signgamp)
return r;
}
-/*
- * wrapper double lgamma_r(double x, int *signgamp)
- */
-#ifndef _IEEE_LIBM
-double lgamma_r(double x, int *signgamp)
-{
- double y = __ieee754_lgamma_r(x, signgamp);
- if (_LIB_VERSION == _IEEE_)
- return y;
- if (!isfinite(y) && isfinite(x)) {
- if (floor(x) == x && x <= 0.0)
- return __kernel_standard(x, x, 15); /* lgamma pole */
- return __kernel_standard(x, x, 14); /* lgamma overflow */
- }
- return y;
-}
-#else
strong_alias(__ieee754_lgamma_r, lgamma_r)
-#endif
libm_hidden_def(lgamma_r)
/* __ieee754_lgamma(x)
@@ -324,25 +306,7 @@ double __ieee754_lgamma(double x)
return __ieee754_lgamma_r(x, &signgam);
}
-/*
- * wrapper double lgamma(double x)
- */
-#ifndef _IEEE_LIBM
-double lgamma(double x)
-{
- double y = __ieee754_lgamma_r(x, &signgam);
- if (_LIB_VERSION == _IEEE_)
- return y;
- if (!isfinite(y) && isfinite(x)) {
- if (floor(x) == x && x <= 0.0)
- return __kernel_standard(x, x, 15); /* lgamma pole */
- return __kernel_standard(x, x, 14); /* lgamma overflow */
- }
- return y;
-}
-#else
strong_alias(__ieee754_lgamma, lgamma);
-#endif
libm_hidden_def(lgamma)
@@ -352,13 +316,8 @@ libm_hidden_def(lgamma)
* not a ln(|Gamma(x)|) but just Gamma(x), but standards
* introduced tgamma name for that.
*/
-#ifndef _IEEE_LIBM
-strong_alias(lgamma_r, gamma_r)
-strong_alias(lgamma, gamma)
-#else
strong_alias(__ieee754_lgamma_r, gamma_r)
strong_alias(__ieee754_lgamma, gamma)
-#endif
libm_hidden_def(gamma)
diff --git a/libm/e_log.c b/libm/e_log.c
index 2ee03cc..1ca453d 100644
--- a/libm/e_log.c
+++ b/libm/e_log.c
@@ -128,20 +128,5 @@ double __ieee754_log(double x)
}
}
-/*
- * wrapper log(x)
- */
-#ifndef _IEEE_LIBM
-double log(double x)
-{
- double z = __ieee754_log(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x) || x > 0.0)
- return z;
- if (x == 0.0)
- return __kernel_standard(x, x, 16); /* log(0) */
- return __kernel_standard(x, x, 17); /* log(x<0) */
-}
-#else
strong_alias(__ieee754_log, log)
-#endif
libm_hidden_def(log)
diff --git a/libm/e_log10.c b/libm/e_log10.c
index 8775725..3c62081 100644
--- a/libm/e_log10.c
+++ b/libm/e_log10.c
@@ -79,23 +79,5 @@ double __ieee754_log10(double x)
return z+y*log10_2hi;
}
-/*
- * wrapper log10(X)
- */
-#ifndef _IEEE_LIBM
-double log10(double x)
-{
- double z = __ieee754_log10(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (x <= 0.0) {
- if(x == 0.0)
- return __kernel_standard(x, x, 18); /* log10(0) */
- return __kernel_standard(x, x, 19); /* log10(x<0) */
- }
- return z;
-}
-#else
strong_alias(__ieee754_log10, log10)
-#endif
libm_hidden_def(log10)
diff --git a/libm/e_pow.c b/libm/e_pow.c
index 4e22091..1958fe6 100644
--- a/libm/e_pow.c
+++ b/libm/e_pow.c
@@ -300,39 +300,5 @@ double __ieee754_pow(double x, double y)
return s*z;
}
-/*
- * wrapper pow(x,y) return x**y
- */
-#ifndef _IEEE_LIBM
-double pow(double x, double y)
-{
- double z = __ieee754_pow(x, y);
- if (_LIB_VERSION == _IEEE_|| isnan(y))
- return z;
- if (isnan(x)) {
- if (y == 0.0)
- return __kernel_standard(x, y, 42); /* pow(NaN,0.0) */
- return z;
- }
- if (x == 0.0) {
- if (y == 0.0)
- return __kernel_standard(x, y, 20); /* pow(0.0,0.0) */
- if (isfinite(y) && y < 0.0)
- return __kernel_standard(x,y,23); /* pow(0.0,negative) */
- return z;
- }
- if (!isfinite(z)) {
- if (isfinite(x) && isfinite(y)) {
- if (isnan(z))
- return __kernel_standard(x, y, 24); /* pow neg**non-int */
- return __kernel_standard(x, y, 21); /* pow overflow */
- }
- }
- if (z == 0.0 && isfinite(x) && isfinite(y))
- return __kernel_standard(x, y, 22); /* pow underflow */
- return z;
-}
-#else
strong_alias(__ieee754_pow, pow)
-#endif
libm_hidden_def(pow)
diff --git a/libm/e_remainder.c b/libm/e_remainder.c
index 4ac24f2..8a00ff2 100644
--- a/libm/e_remainder.c
+++ b/libm/e_remainder.c
@@ -64,22 +64,6 @@ double __ieee754_remainder(double x, double p)
return x;
}
-/*
- * wrapper remainder(x,p)
- */
-#ifndef _IEEE_LIBM
-double remainder(double x, double y)
-{
- double z = __ieee754_remainder(x, y);
- if (_LIB_VERSION == _IEEE_ || isnan(y))
- return z;
- if (y == 0.0)
- return __kernel_standard(x, y, 28); /* remainder(x,0) */
- return z;
-}
-strong_alias(remainder, drem)
-#else
strong_alias(__ieee754_remainder, remainder)
strong_alias(__ieee754_remainder, drem)
-#endif
libm_hidden_def(remainder)
diff --git a/libm/e_scalb.c b/libm/e_scalb.c
index 9e1a3f7..cc85b48 100644
--- a/libm/e_scalb.c
+++ b/libm/e_scalb.c
@@ -33,28 +33,6 @@ double __ieee754_scalb(double x, double fn)
}
#if defined __UCLIBC_SUSV3_LEGACY__
-/*
- * wrapper scalb(double x, double fn) is provided for
- * passing various standard test suites.
- * One should use scalbn() instead.
- */
-#ifndef _IEEE_LIBM
-double scalb(double x, double fn)
-{
- double z = __ieee754_scalb(x, fn);
- if (_LIB_VERSION == _IEEE_)
- return z;
- if (!(isfinite(z) || isnan(z)) && isfinite(x))
- return __kernel_standard(x, (double)fn, 32); /* scalb overflow */
- if (z == 0.0 && z != x)
- return __kernel_standard(x, (double)fn, 33); /* scalb underflow */
- if (!isfinite(fn))
- errno = ERANGE;
- return z;
-}
-#else
strong_alias(__ieee754_scalb, scalb)
-#endif
libm_hidden_def(scalb)
-
#endif /* UCLIBC_SUSV3_LEGACY */
diff --git a/libm/e_sinh.c b/libm/e_sinh.c
index a3dca9d..52b33d5 100644
--- a/libm/e_sinh.c
+++ b/libm/e_sinh.c
@@ -71,20 +71,5 @@ double __ieee754_sinh(double x)
return x*shuge;
}
-/*
- * wrapper sinh(x)
- */
-#ifndef _IEEE_LIBM
-double sinh(double x)
-{
- double z = __ieee754_sinh(x);
- if (_LIB_VERSION == _IEEE_)
- return z;
- if (!isfinite(z) && isfinite(x))
- return __kernel_standard(x, x, 25); /* sinh overflow */
- return z;
-}
-#else
strong_alias(__ieee754_sinh, sinh)
-#endif
libm_hidden_def(sinh)
diff --git a/libm/e_sqrt.c b/libm/e_sqrt.c
index 98d83c5..a5b2049 100644
--- a/libm/e_sqrt.c
+++ b/libm/e_sqrt.c
@@ -180,22 +180,7 @@ double __ieee754_sqrt(double x)
return z;
}
-/*
- * wrapper sqrt(x)
- */
-#ifndef _IEEE_LIBM
-double sqrt(double x)
-{
- double z = __ieee754_sqrt(x);
- if (_LIB_VERSION == _IEEE_ || isnan(x))
- return z;
- if (x < 0.0)
- return __kernel_standard(x, x, 26); /* sqrt(negative) */
- return z;
-}
-#else
strong_alias(__ieee754_sqrt, sqrt)
-#endif
libm_hidden_def(sqrt)
diff --git a/libm/k_standard.c b/libm/k_standard.c
deleted file mode 100644
index 29e662d..0000000
--- a/libm/k_standard.c
+++ /dev/null
@@ -1,772 +0,0 @@
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-#include <math.h>
-#include "math_private.h"
-#include <errno.h>
-
-#ifndef _IEEE_LIBM
-
-#ifndef _USE_WRITE
-#include <stdio.h> /* fputs(), stderr */
-#define WRITE2(u,v) fputs(u, stderr)
-#else /* !defined(_USE_WRITE) */
-#include <unistd.h> /* write */
-#define WRITE2(u,v) write(2, u, v)
-#undef fflush
-#endif /* !defined(_USE_WRITE) */
-
-static const double zero = 0.0; /* used as const */
-
-/*
- * Standard conformance (non-IEEE) on exception cases.
- * Mapping:
- * 1 -- acos(|x|>1)
- * 2 -- asin(|x|>1)
- * 3 -- atan2(+-0,+-0)
- * 4 -- hypot overflow
- * 5 -- cosh overflow
- * 6 -- exp overflow
- * 7 -- exp underflow
- * 8 -- y0(0)
- * 9 -- y0(-ve)
- * 10-- y1(0)
- * 11-- y1(-ve)
- * 12-- yn(0)
- * 13-- yn(-ve)
- * 14-- lgamma(finite) overflow
- * 15-- lgamma(-integer)
- * 16-- log(0)
- * 17-- log(x<0)
- * 18-- log10(0)
- * 19-- log10(x<0)
- * 20-- pow(0.0,0.0)
- * 21-- pow(x,y) overflow
- * 22-- pow(x,y) underflow
- * 23-- pow(0,negative)
- * 24-- pow(neg,non-integral)
- * 25-- sinh(finite) overflow
- * 26-- sqrt(negative)
- * 27-- fmod(x,0)
- * 28-- remainder(x,0)
- * 29-- acosh(x<1)
- * 30-- atanh(|x|>1)
- * 31-- atanh(|x|=1)
- * 32-- scalb overflow
- * 33-- scalb underflow
- * 34-- j0(|x|>X_TLOSS)
- * 35-- y0(x>X_TLOSS)
- * 36-- j1(|x|>X_TLOSS)
- * 37-- y1(x>X_TLOSS)
- * 38-- jn(|x|>X_TLOSS, n)
- * 39-- yn(x>X_TLOSS, n)
- * 40-- gamma(finite) overflow
- * 41-- gamma(-integer)
- * 42-- pow(NaN,0.0)
- */
-
-double __kernel_standard(double x, double y, int type)
-{
- struct exception exc;
-#ifndef HUGE_VAL /* this is the only routine that uses HUGE_VAL */
-#define HUGE_VAL inf
- double inf = 0.0;
-
- SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */
-#endif
-
-#ifdef _USE_WRITE
- (void) fflush(stdout);
-#endif
- exc.arg1 = x;
- exc.arg2 = y;
- switch(type) {
- case 1:
- case 101:
- /* acos(|x|>1) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "acos" : "acosf";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if(_LIB_VERSION == _SVID_) {
- (void) WRITE2("acos: DOMAIN error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 2:
- case 102:
- /* asin(|x|>1) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "asin" : "asinf";
- exc.retval = zero;
- if(_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if(_LIB_VERSION == _SVID_) {
- (void) WRITE2("asin: DOMAIN error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 3:
- case 103:
- /* atan2(+-0,+-0) */
- exc.arg1 = y;
- exc.arg2 = x;
- exc.type = DOMAIN;
- exc.name = type < 100 ? "atan2" : "atan2f";
- exc.retval = zero;
- if(_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if(_LIB_VERSION == _SVID_) {
- (void) WRITE2("atan2: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 4:
- case 104:
- /* hypot(finite,finite) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "hypot" : "hypotf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 5:
- case 105:
- /* cosh(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "cosh" : "coshf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 6:
- case 106:
- /* exp(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "exp" : "expf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 7:
- case 107:
- /* exp(finite) underflow */
- exc.type = UNDERFLOW;
- exc.name = type < 100 ? "exp" : "expf";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 8:
- case 108:
- /* y0(0) = -inf */
- exc.type = DOMAIN; /* should be SING for IEEE */
- exc.name = type < 100 ? "y0" : "y0f";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y0: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 9:
- case 109:
- /* y0(x<0) = NaN */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "y0" : "y0f";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y0: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 10:
- case 110:
- /* y1(0) = -inf */
- exc.type = DOMAIN; /* should be SING for IEEE */
- exc.name = type < 100 ? "y1" : "y1f";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y1: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 11:
- case 111:
- /* y1(x<0) = NaN */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "y1" : "y1f";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y1: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 12:
- case 112:
- /* yn(n,0) = -inf */
- exc.type = DOMAIN; /* should be SING for IEEE */
- exc.name = type < 100 ? "yn" : "ynf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("yn: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 13:
- case 113:
- /* yn(x<0) = NaN */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "yn" : "ynf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("yn: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 14:
- case 114:
- /* lgamma(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "lgamma" : "lgammaf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 15:
- case 115:
- /* lgamma(-integer) or lgamma(0) */
- exc.type = SING;
- exc.name = type < 100 ? "lgamma" : "lgammaf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("lgamma: SING error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 16:
- case 116:
- /* log(0) */
- exc.type = SING;
- exc.name = type < 100 ? "log" : "logf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log: SING error\n", 16);
- }
- errno = EDOM;
- }
- break;
- case 17:
- case 117:
- /* log(x<0) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "log" : "logf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log: DOMAIN error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 18:
- case 118:
- /* log10(0) */
- exc.type = SING;
- exc.name = type < 100 ? "log10" : "log10f";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log10: SING error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 19:
- case 119:
- /* log10(x<0) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "log10" : "log10f";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log10: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 20:
- case 120:
- /* pow(0.0,0.0) */
- /* error only if _LIB_VERSION == _SVID_ */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "pow" : "powf";
- exc.retval = zero;
- if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
- else if (!matherr(&exc)) {
- (void) WRITE2("pow(0,0): DOMAIN error\n", 23);
- errno = EDOM;
- }
- break;
- case 21:
- case 121:
- /* pow(x,y) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "pow" : "powf";
- if (_LIB_VERSION == _SVID_) {
- exc.retval = HUGE;
- y *= 0.5;
- if(x<zero&&rint(y)!=y) exc.retval = -HUGE;
- } else {
- exc.retval = HUGE_VAL;
- y *= 0.5;
- if(x<zero&&rint(y)!=y) exc.retval = -HUGE_VAL;
- }
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 22:
- case 122:
- /* pow(x,y) underflow */
- exc.type = UNDERFLOW;
- exc.name = type < 100 ? "pow" : "powf";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 23:
- case 123:
- /* 0**neg */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "pow" : "powf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = zero;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("pow(0,neg): DOMAIN error\n", 25);
- }
- errno = EDOM;
- }
- break;
- case 24:
- case 124:
- /* neg**non-integral */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "pow" : "powf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = zero;
- else
- exc.retval = zero/zero; /* X/Open allow NaN */
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("neg**non-integral: DOMAIN error\n", 32);
- }
- errno = EDOM;
- }
- break;
- case 25:
- case 125:
- /* sinh(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "sinh" : "sinhf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = ( (x>zero) ? HUGE : -HUGE);
- else
- exc.retval = ( (x>zero) ? HUGE_VAL : -HUGE_VAL);
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 26:
- case 126:
- /* sqrt(x<0) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "sqrt" : "sqrtf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = zero;
- else
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("sqrt: DOMAIN error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 27:
- case 127:
- /* fmod(x,0) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "fmod" : "fmodf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = x;
- else
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("fmod: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 28:
- case 128:
- /* remainder(x,0) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "remainder" : "remainderf";
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("remainder: DOMAIN error\n", 24);
- }
- errno = EDOM;
- }
- break;
- case 29:
- case 129:
- /* acosh(x<1) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "acosh" : "acoshf";
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("acosh: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 30:
- case 130:
- /* atanh(|x|>1) */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "atanh" : "atanhf";
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("atanh: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 31:
- case 131:
- /* atanh(|x|=1) */
- exc.type = SING;
- exc.name = type < 100 ? "atanh" : "atanhf";
- exc.retval = x/zero; /* sign(x)*inf */
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("atanh: SING error\n", 18);
- }
- errno = EDOM;
- }
- break;
-# ifdef __UCLIBC_SUSV3_LEGACY__
- case 32:
- case 132:
- /* scalb overflow; SVID also returns +-HUGE_VAL */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "scalb" : "scalbf";
- exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 33:
- case 133:
- /* scalb underflow */
- exc.type = UNDERFLOW;
- exc.name = type < 100 ? "scalb" : "scalbf";
- exc.retval = copysign(zero,x);
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
-# endif
- case 34:
- case 134:
- /* j0(|x|>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = type < 100 ? "j0" : "j0f";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 35:
- case 135:
- /* y0(x>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = type < 100 ? "y0" : "y0f";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 36:
- case 136:
- /* j1(|x|>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = type < 100 ? "j1" : "j1f";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 37:
- case 137:
- /* y1(x>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = type < 100 ? "y1" : "y1f";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 38:
- case 138:
- /* jn(|x|>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = type < 100 ? "jn" : "jnf";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 39:
- case 139:
- /* yn(x>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = type < 100 ? "yn" : "ynf";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 40:
- case 140:
- /* gamma(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = type < 100 ? "gamma" : "gammaf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 41:
- case 141:
- /* gamma(-integer) or gamma(0) */
- exc.type = SING;
- exc.name = type < 100 ? "gamma" : "gammaf";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("gamma: SING error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 42:
- case 142:
- /* pow(NaN,0.0) */
- /* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
- exc.type = DOMAIN;
- exc.name = type < 100 ? "pow" : "powf";
- exc.retval = x;
- if (_LIB_VERSION == _IEEE_ ||
- _LIB_VERSION == _POSIX_) exc.retval = 1.0;
- else if (!matherr(&exc)) {
- errno = EDOM;
- }
- break;
- }
- return exc.retval;
-}
-#endif /* _IEEE_LIBM */
diff --git a/libm/math_private.h b/libm/math_private.h
index b62dcfe..620ce9a 100644
--- a/libm/math_private.h
+++ b/libm/math_private.h
@@ -180,9 +180,6 @@ extern int __ieee754_rem_pio2 (double,double*) attribute_hidden;
extern double __ieee754_scalb (double,double) attribute_hidden;
/* fdlibm kernel function */
-#ifndef _IEEE_LIBM
-extern double __kernel_standard (double,double,int) attribute_hidden;
-#endif
extern double __kernel_sin (double,double,int) attribute_hidden;
extern double __kernel_cos (double,double) attribute_hidden;
extern double __kernel_tan (double,double,int) attribute_hidden;
diff --git a/libm/s_matherr.c b/libm/s_matherr.c
deleted file mode 100644
index 9a50459..0000000
--- a/libm/s_matherr.c
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunPro, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- */
-
-#include "math.h"
-#include "math_private.h"
-
-#ifndef _IEEE_LIBM
-
-int matherr(struct exception *x)
-{
- int n=0;
- if(x->arg1!=x->arg1) return 0;
- return n;
-}
-libm_hidden_def(matherr)
-#endif