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Avoid -Wno-write-strings for k_standard.c.
We want to avoid -Wno- options in makefiles as far as possible, by cleaning up the underlying issues if possible or failing that by using diagnostic pragmas. This patch eliminates the use of -Wno-write-strings for sysdeps/ieee754/k_standard.c by using casts in the source file to cast away const; those casts are encapsulated in a macro that also deals with the choice of strings for float / double / long double functions (for which the logic was previously replicated many times). Tested for x86_64; the only change to disassembly of installed stripped shared libraries was a line number in an assertion. * sysdeps/ieee754/k_standard.c (CSTR): New macro. (__kernel_standard): Use CSTR macro when setting exc.name. * sysdeps/ieee754/Makefile [$(subdir) = math] (CFLAGS-k_standard.c): Remove variable.
This commit is contained in:
Joseph Myers
parent
09220e6634
commit
31331a07a5
@ -1,5 +1,10 @@
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2015-02-26 Joseph Myers <joseph@codesourcery.com>
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* sysdeps/ieee754/k_standard.c (CSTR): New macro.
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(__kernel_standard): Use CSTR macro when setting exc.name.
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* sysdeps/ieee754/Makefile [$(subdir) = math]
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(CFLAGS-k_standard.c): Remove variable.
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* sysdeps/ieee754/dbl-64/e_j0.c (pzero): Change last case for
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setting p and q from "else if" to "else".
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(qzero): Likewise.
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@ -1,5 +1,4 @@
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ifeq ($(subdir),math)
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sysdep_headers += ieee754.h
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CFLAGS-k_standard.c = -Wno-write-strings
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endif
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@ -105,6 +105,10 @@ __kernel_standard(double x, double y, int type)
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SET_HIGH_WORD(inf,0x7ff00000); /* set inf to infinite */
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#endif
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#define CSTR(func) ((char *) (type < 100 \
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? func \
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: (type < 200 ? func "f" : func "l")))
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#ifdef _USE_WRITE
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(void) fflush(stdout);
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#endif
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@ -116,8 +120,7 @@ __kernel_standard(double x, double y, int type)
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case 201:
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/* acos(|x|>1) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "acos" : (type < 200
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? "acosf" : "acosl");;
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exc.name = CSTR ("acos");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -136,8 +139,7 @@ __kernel_standard(double x, double y, int type)
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case 202:
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/* asin(|x|>1) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "asin" : (type < 200
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? "asinf" : "asinl");
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exc.name = CSTR ("asin");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -158,8 +160,7 @@ __kernel_standard(double x, double y, int type)
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exc.arg1 = y;
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exc.arg2 = x;
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exc.type = DOMAIN;
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exc.name = type < 100 ? "atan2" : (type < 200
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? "atan2f" : "atan2l");
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exc.name = CSTR ("atan2");
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assert (_LIB_VERSION == _SVID_);
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exc.retval = HUGE;
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if(_LIB_VERSION == _POSIX_)
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@ -176,8 +177,7 @@ __kernel_standard(double x, double y, int type)
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case 204:
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/* hypot(finite,finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "hypot" : (type < 200
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? "hypotf" : "hypotl");
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exc.name = CSTR ("hypot");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -193,8 +193,7 @@ __kernel_standard(double x, double y, int type)
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case 205:
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/* cosh(finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "cosh" : (type < 200
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? "coshf" : "coshl");
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exc.name = CSTR ("cosh");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -210,8 +209,7 @@ __kernel_standard(double x, double y, int type)
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case 206:
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/* exp(finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "exp" : (type < 200
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? "expf" : "expl");
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exc.name = CSTR ("exp");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -227,8 +225,7 @@ __kernel_standard(double x, double y, int type)
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case 207:
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/* exp(finite) underflow */
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exc.type = UNDERFLOW;
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exc.name = type < 100 ? "exp" : (type < 200
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? "expf" : "expl");
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exc.name = CSTR ("exp");
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -241,7 +238,7 @@ __kernel_standard(double x, double y, int type)
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case 208:
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/* y0(0) = -inf */
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exc.type = DOMAIN; /* should be SING for IEEE */
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exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
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exc.name = CSTR ("y0");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -260,7 +257,7 @@ __kernel_standard(double x, double y, int type)
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case 209:
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/* y0(x<0) = NaN */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
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exc.name = CSTR ("y0");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -279,7 +276,7 @@ __kernel_standard(double x, double y, int type)
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case 210:
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/* y1(0) = -inf */
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exc.type = DOMAIN; /* should be SING for IEEE */
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exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
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exc.name = CSTR ("y1");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -298,7 +295,7 @@ __kernel_standard(double x, double y, int type)
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case 211:
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/* y1(x<0) = NaN */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
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exc.name = CSTR ("y1");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -317,7 +314,7 @@ __kernel_standard(double x, double y, int type)
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case 212:
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/* yn(n,0) = -inf */
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exc.type = DOMAIN; /* should be SING for IEEE */
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exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
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exc.name = CSTR ("yn");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -338,7 +335,7 @@ __kernel_standard(double x, double y, int type)
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case 213:
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/* yn(x<0) = NaN */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
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exc.name = CSTR ("yn");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -357,8 +354,7 @@ __kernel_standard(double x, double y, int type)
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case 214:
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/* lgamma(finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "lgamma" : (type < 200
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? "lgammaf" : "lgammal");
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exc.name = CSTR ("lgamma");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -374,8 +370,7 @@ __kernel_standard(double x, double y, int type)
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case 215:
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/* lgamma(-integer) or lgamma(0) */
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exc.type = SING;
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exc.name = type < 100 ? "lgamma" : (type < 200
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? "lgammaf" : "lgammal");
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exc.name = CSTR ("lgamma");
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if (_LIB_VERSION == _SVID_)
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exc.retval = HUGE;
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else
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@ -394,7 +389,7 @@ __kernel_standard(double x, double y, int type)
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case 216:
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/* log(0) */
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exc.type = SING;
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exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
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exc.name = CSTR ("log");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -413,7 +408,7 @@ __kernel_standard(double x, double y, int type)
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case 217:
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/* log(x<0) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
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exc.name = CSTR ("log");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -432,8 +427,7 @@ __kernel_standard(double x, double y, int type)
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case 218:
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/* log10(0) */
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exc.type = SING;
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exc.name = type < 100 ? "log10" : (type < 200
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? "log10f" : "log10l");
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exc.name = CSTR ("log10");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -452,8 +446,7 @@ __kernel_standard(double x, double y, int type)
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case 219:
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/* log10(x<0) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "log10" : (type < 200
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? "log10f" : "log10l");
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exc.name = CSTR ("log10");
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if (_LIB_VERSION == _SVID_)
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exc.retval = -HUGE;
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else
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@ -473,7 +466,7 @@ __kernel_standard(double x, double y, int type)
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/* pow(0.0,0.0) */
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/* error only if _LIB_VERSION == _SVID_ */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
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exc.name = CSTR ("pow");
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exc.retval = zero;
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if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
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else if (!matherr(&exc)) {
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@ -486,7 +479,7 @@ __kernel_standard(double x, double y, int type)
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case 221:
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/* pow(x,y) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
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exc.name = CSTR ("pow");
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if (_LIB_VERSION == _SVID_) {
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exc.retval = HUGE;
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y *= 0.5;
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@ -507,7 +500,7 @@ __kernel_standard(double x, double y, int type)
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case 222:
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/* pow(x,y) underflow */
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exc.type = UNDERFLOW;
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exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
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exc.name = CSTR ("pow");
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exc.retval = zero;
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y *= 0.5;
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if (x < zero && __rint (y) != y)
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@ -523,7 +516,7 @@ __kernel_standard(double x, double y, int type)
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case 223:
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/* -0**neg */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
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exc.name = CSTR ("pow");
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if (_LIB_VERSION == _SVID_)
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exc.retval = zero;
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else
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@ -542,7 +535,7 @@ __kernel_standard(double x, double y, int type)
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case 243:
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/* +0**neg */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
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exc.name = CSTR ("pow");
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if (_LIB_VERSION == _SVID_)
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exc.retval = zero;
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else
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@ -561,7 +554,7 @@ __kernel_standard(double x, double y, int type)
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case 224:
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/* neg**non-integral */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
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exc.name = CSTR ("pow");
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if (_LIB_VERSION == _SVID_)
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exc.retval = zero;
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else
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@ -580,8 +573,7 @@ __kernel_standard(double x, double y, int type)
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case 225:
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/* sinh(finite) overflow */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "sinh" : (type < 200
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? "sinhf" : "sinhl");
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exc.name = CSTR ("sinh");
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if (_LIB_VERSION == _SVID_)
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exc.retval = ( (x>zero) ? HUGE : -HUGE);
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else
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@ -597,8 +589,7 @@ __kernel_standard(double x, double y, int type)
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case 226:
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/* sqrt(x<0) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "sqrt" : (type < 200
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? "sqrtf" : "sqrtl");
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exc.name = CSTR ("sqrt");
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if (_LIB_VERSION == _SVID_)
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exc.retval = zero;
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else
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@ -617,8 +608,7 @@ __kernel_standard(double x, double y, int type)
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case 227:
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/* fmod(x,0) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "fmod" : (type < 200
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? "fmodf" : "fmodl");
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exc.name = CSTR ("fmod");
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if (_LIB_VERSION == _SVID_)
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exc.retval = x;
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else
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@ -637,9 +627,7 @@ __kernel_standard(double x, double y, int type)
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case 228:
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/* remainder(x,0) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "remainder" : (type < 200
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? "remainderf"
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: "remainderl");
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exc.name = CSTR ("remainder");
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exc.retval = zero/zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (EDOM);
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@ -655,8 +643,7 @@ __kernel_standard(double x, double y, int type)
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case 229:
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/* acosh(x<1) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "acosh" : (type < 200
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? "acoshf" : "acoshl");
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exc.name = CSTR ("acosh");
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exc.retval = zero/zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (EDOM);
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@ -672,8 +659,7 @@ __kernel_standard(double x, double y, int type)
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case 230:
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/* atanh(|x|>1) */
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exc.type = DOMAIN;
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exc.name = type < 100 ? "atanh" : (type < 200
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? "atanhf" : "atanhl");
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exc.name = CSTR ("atanh");
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exc.retval = zero/zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (EDOM);
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@ -689,8 +675,7 @@ __kernel_standard(double x, double y, int type)
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case 231:
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/* atanh(|x|=1) */
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exc.type = SING;
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exc.name = type < 100 ? "atanh" : (type < 200
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? "atanhf" : "atanhl");
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exc.name = CSTR ("atanh");
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exc.retval = x/zero; /* sign(x)*inf */
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -706,8 +691,7 @@ __kernel_standard(double x, double y, int type)
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case 232:
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/* scalb overflow; SVID also returns +-HUGE_VAL */
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exc.type = OVERFLOW;
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exc.name = type < 100 ? "scalb" : (type < 200
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? "scalbf" : "scalbl");
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exc.name = CSTR ("scalb");
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exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -720,8 +704,7 @@ __kernel_standard(double x, double y, int type)
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case 233:
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/* scalb underflow */
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exc.type = UNDERFLOW;
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exc.name = type < 100 ? "scalb" : (type < 200
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? "scalbf" : "scalbl");
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exc.name = CSTR ("scalb");
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exc.retval = __copysign(zero,x);
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -734,7 +717,7 @@ __kernel_standard(double x, double y, int type)
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case 234:
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/* j0(|x|>X_TLOSS) */
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exc.type = TLOSS;
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exc.name = type < 100 ? "j0" : (type < 200 ? "j0f" : "j0l");
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exc.name = CSTR ("j0");
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -751,7 +734,7 @@ __kernel_standard(double x, double y, int type)
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case 235:
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/* y0(x>X_TLOSS) */
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exc.type = TLOSS;
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exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
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exc.name = CSTR ("y0");
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -768,7 +751,7 @@ __kernel_standard(double x, double y, int type)
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case 236:
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/* j1(|x|>X_TLOSS) */
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exc.type = TLOSS;
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exc.name = type < 100 ? "j1" : (type < 200 ? "j1f" : "j1l");
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exc.name = CSTR ("j1");
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -785,7 +768,7 @@ __kernel_standard(double x, double y, int type)
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case 237:
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/* y1(x>X_TLOSS) */
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exc.type = TLOSS;
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exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
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exc.name = CSTR ("y1");
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exc.retval = zero;
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if (_LIB_VERSION == _POSIX_)
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__set_errno (ERANGE);
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@ -802,7 +785,7 @@ __kernel_standard(double x, double y, int type)
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case 238:
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/* jn(|x|>X_TLOSS) */
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exc.type = TLOSS;
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exc.name = type < 100 ? "jn" : (type < 200 ? "jnf" : "jnl");
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||||
exc.name = CSTR ("jn");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (ERANGE);
|
||||
@ -819,7 +802,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 239:
|
||||
/* yn(x>X_TLOSS) */
|
||||
exc.type = TLOSS;
|
||||
exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
|
||||
exc.name = CSTR ("yn");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (ERANGE);
|
||||
@ -836,8 +819,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 240:
|
||||
/* tgamma(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "tgamma" : (type < 200
|
||||
? "tgammaf" : "tgammal");
|
||||
exc.name = CSTR ("tgamma");
|
||||
exc.retval = __copysign (HUGE_VAL, x);
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (ERANGE);
|
||||
@ -850,8 +832,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 241:
|
||||
/* tgamma(-integer) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "tgamma" : (type < 200
|
||||
? "tgammaf" : "tgammal");
|
||||
exc.name = CSTR ("tgamma");
|
||||
exc.retval = NAN;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (EDOM);
|
||||
@ -869,7 +850,7 @@ __kernel_standard(double x, double y, int type)
|
||||
/* pow(NaN,0.0) */
|
||||
/* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
|
||||
exc.name = CSTR ("pow");
|
||||
exc.retval = x;
|
||||
if (_LIB_VERSION == _IEEE_ ||
|
||||
_LIB_VERSION == _POSIX_) exc.retval = 1.0;
|
||||
@ -883,8 +864,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 244:
|
||||
/* exp(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "exp2" : (type < 200
|
||||
? "exp2f" : "exp2l");
|
||||
exc.name = CSTR ("exp2");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -900,8 +880,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 245:
|
||||
/* exp(finite) underflow */
|
||||
exc.type = UNDERFLOW;
|
||||
exc.name = type < 100 ? "exp2" : (type < 200
|
||||
? "exp2f" : "exp2l");
|
||||
exc.name = CSTR ("exp2");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (ERANGE);
|
||||
@ -915,8 +894,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 246:
|
||||
/* exp(finite) overflow */
|
||||
exc.type = OVERFLOW;
|
||||
exc.name = type < 100 ? "exp10" : (type < 200
|
||||
? "exp10f" : "exp10l");
|
||||
exc.name = CSTR ("exp10");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = HUGE;
|
||||
else
|
||||
@ -932,8 +910,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 247:
|
||||
/* exp(finite) underflow */
|
||||
exc.type = UNDERFLOW;
|
||||
exc.name = type < 100 ? "exp10" : (type < 200
|
||||
? "exp10f" : "exp10l");
|
||||
exc.name = CSTR ("exp10");
|
||||
exc.retval = zero;
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (ERANGE);
|
||||
@ -946,8 +923,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 248:
|
||||
/* log2(0) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "log2" : (type < 200
|
||||
? "log2f" : "log2l");
|
||||
exc.name = CSTR ("log2");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -963,8 +939,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 249:
|
||||
/* log2(x<0) */
|
||||
exc.type = DOMAIN;
|
||||
exc.name = type < 100 ? "log2" : (type < 200
|
||||
? "log2f" : "log2l");
|
||||
exc.name = CSTR ("log2");
|
||||
if (_LIB_VERSION == _SVID_)
|
||||
exc.retval = -HUGE;
|
||||
else
|
||||
@ -980,8 +955,7 @@ __kernel_standard(double x, double y, int type)
|
||||
case 250:
|
||||
/* tgamma(+-0) */
|
||||
exc.type = SING;
|
||||
exc.name = type < 100 ? "tgamma" : (type < 200
|
||||
? "tgammaf" : "tgammal");
|
||||
exc.name = CSTR ("tgamma");
|
||||
exc.retval = __copysign (HUGE_VAL, x);
|
||||
if (_LIB_VERSION == _POSIX_)
|
||||
__set_errno (ERANGE);
|
||||
|
||||
Loading…
Reference in New Issue
Block a user