Update.

1 files changed, 943 insertions, 0 deletions

diff --git a/sysdeps/ieee754/k_standard.c b/sysdeps/ieee754/k_standard.c
new file mode 100644
index 0000000000..22300652e9
--- /dev/null
+++ b/sysdeps/ieee754/k_standard.c
@@ -0,0 +1,943 @@
+/* @(#)k_standard.c 5.1 93/09/24 */
+/*
+ * ====================================================
+ * 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.
+ * ====================================================
+ */
+
+#if defined(LIBM_SCCS) && !defined(lint)
+static char rcsid[] = "$NetBSD: k_standard.c,v 1.6 1995/05/10 20:46:35 jtc Exp $";
+#endif
+
+#include "math.h"
+#include "math_private.h"
+#include <errno.h>
+
+#include <assert.h>
+
+#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) */
+
+/* XXX gcc versions until now don't delay the 0.0/0.0 division until
+   runtime but produce NaN at copile time.  This is wrong since the
+   exceptions are not set correctly.  */
+#if 0 && defined __STDC__
+static const double zero = 0.0;	/* used as const */
+#else
+static double zero = 0.0;	/* used as const */
+#endif
+
+/*
+ * 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-- tgamma(finite) overflow
+ *	41-- tgamma(-integer)
+ *	42-- pow(NaN,0.0)
+ *	43-- +0**neg
+ *	44-- exp2 overflow
+ *	45-- exp2 underflow
+ *	46-- exp10 overflow
+ *	47-- exp10 underflow
+ */
+
+
+#ifdef __STDC__
+	double __kernel_standard(double x, double y, int type)
+#else
+	double __kernel_standard(x,y,type)
+	double x,y; int type;
+#endif
+{
+	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:
+	    case 201:
+		/* acos(|x|>1) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "acos" : (type < 200
+						  ? "acosf" : "acosl");;
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = NAN;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if(_LIB_VERSION == _SVID_) {
+		    (void) WRITE2("acos: DOMAIN error\n", 19);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 2:
+	    case 102:
+	    case 202:
+		/* asin(|x|>1) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "asin" : (type < 200
+						  ? "asinf" : "asinl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = NAN;
+		if(_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if(_LIB_VERSION == _SVID_) {
+		    	(void) WRITE2("asin: DOMAIN error\n", 19);
+		  }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 3:
+	    case 103:
+	    case 203:
+		/* atan2(+-0,+-0) */
+		exc.arg1 = y;
+		exc.arg2 = x;
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "atan2" : (type < 200
+						   ? "atan2f" : "atan2l");
+		assert (_LIB_VERSION == _SVID_);
+		exc.retval = HUGE;
+		if(_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if(_LIB_VERSION == _SVID_) {
+			(void) WRITE2("atan2: DOMAIN error\n", 20);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 4:
+	    case 104:
+	    case 204:
+		/* hypot(finite,finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "hypot" : (type < 200
+						   ? "hypotf" : "hypotl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 5:
+	    case 105:
+	    case 205:
+		/* cosh(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "cosh" : (type < 200
+						  ? "coshf" : "coshl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 6:
+	    case 106:
+	    case 206:
+		/* exp(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "exp" : (type < 200
+						 ? "expf" : "expl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 7:
+	    case 107:
+	    case 207:
+		/* exp(finite) underflow */
+		exc.type = UNDERFLOW;
+		exc.name = type < 100 ? "exp" : (type < 200
+						 ? "expf" : "expl");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 8:
+	    case 108:
+	    case 208:
+		/* y0(0) = -inf */
+		exc.type = DOMAIN;	/* should be SING for IEEE */
+		exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("y0: DOMAIN error\n", 17);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 9:
+	    case 109:
+	    case 209:
+		/* y0(x<0) = NaN */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("y0: DOMAIN error\n", 17);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 10:
+	    case 110:
+	    case 210:
+		/* y1(0) = -inf */
+		exc.type = DOMAIN;	/* should be SING for IEEE */
+		exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("y1: DOMAIN error\n", 17);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 11:
+	    case 111:
+	    case 211:
+		/* y1(x<0) = NaN */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("y1: DOMAIN error\n", 17);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 12:
+	    case 112:
+	    case 212:
+		/* yn(n,0) = -inf */
+		exc.type = DOMAIN;	/* should be SING for IEEE */
+		exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("yn: DOMAIN error\n", 17);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 13:
+	    case 113:
+	    case 213:
+		/* yn(x<0) = NaN */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("yn: DOMAIN error\n", 17);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 14:
+	    case 114:
+	    case 214:
+		/* lgamma(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "lgamma" : (type < 200
+						    ? "lgammaf" : "lgammal");
+                if (_LIB_VERSION == _SVID_)
+                  exc.retval = HUGE;
+                else
+                  exc.retval = HUGE_VAL;
+                if (_LIB_VERSION == _POSIX_)
+			__set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        __set_errno (ERANGE);
+		}
+		break;
+	    case 15:
+	    case 115:
+	    case 215:
+		/* lgamma(-integer) or lgamma(0) */
+		exc.type = SING;
+		exc.name = type < 100 ? "lgamma" : (type < 200
+						    ? "lgammaf" : "lgammal");
+                if (_LIB_VERSION == _SVID_)
+                  exc.retval = HUGE;
+                else
+                  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("lgamma: SING error\n", 19);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 16:
+	    case 116:
+	    case 216:
+		/* log(0) */
+		exc.type = SING;
+		exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("log: SING error\n", 16);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 17:
+	    case 117:
+	    case 217:
+		/* log(x<0) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "log" : (type < 200 ? "logf" : "logl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = NAN;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("log: DOMAIN error\n", 18);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 18:
+	    case 118:
+	    case 218:
+		/* log10(0) */
+		exc.type = SING;
+		exc.name = type < 100 ? "log10" : (type < 200
+						   ? "log10f" : "log10l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("log10: SING error\n", 18);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 19:
+	    case 119:
+	    case 219:
+		/* log10(x<0) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "log10" : (type < 200
+						   ? "log10f" : "log10l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = -HUGE;
+		else
+		  exc.retval = NAN;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("log10: DOMAIN error\n", 20);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 20:
+	    case 120:
+	    case 220:
+		/* pow(0.0,0.0) */
+		/* error only if _LIB_VERSION == _SVID_ */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		exc.retval = zero;
+		if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
+		else if (!matherr(&exc)) {
+			(void) WRITE2("pow(0,0): DOMAIN error\n", 23);
+			__set_errno (EDOM);
+		}
+		break;
+	    case 21:
+	    case 121:
+	    case 221:
+		/* pow(x,y) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		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_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 22:
+	    case 122:
+	    case 222:
+		/* pow(x,y) underflow */
+		exc.type = UNDERFLOW;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		exc.retval =  zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 23:
+	    case 123:
+	    case 223:
+		/* -0**neg */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = zero;
+		else
+		  exc.retval = -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("pow(0,neg): DOMAIN error\n", 25);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 43:
+	    case 143:
+	    case 243:
+		/* +0**neg */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = zero;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("pow(0,neg): DOMAIN error\n", 25);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 24:
+	    case 124:
+	    case 224:
+		/* neg**non-integral */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		if (_LIB_VERSION == _SVID_)
+		    exc.retval = zero;
+		else
+		    exc.retval = zero/zero;	/* X/Open allow NaN */
+		if (_LIB_VERSION == _POSIX_)
+		   __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("neg**non-integral: DOMAIN error\n", 32);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 25:
+	    case 125:
+	    case 225:
+		/* sinh(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "sinh" : (type < 200
+						  ? "sinhf" : "sinhl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = ( (x>zero) ? HUGE : -HUGE);
+		else
+		  exc.retval = ( (x>zero) ? HUGE_VAL : -HUGE_VAL);
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 26:
+	    case 126:
+	    case 226:
+		/* sqrt(x<0) */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "sqrt" : (type < 200
+						  ? "sqrtf" : "sqrtl");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = zero;
+		else
+		  exc.retval = zero/zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("sqrt: DOMAIN error\n", 19);
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+            case 27:
+	    case 127:
+	    case 227:
+                /* fmod(x,0) */
+                exc.type = DOMAIN;
+                exc.name = type < 100 ? "fmod" : (type < 200
+						  ? "fmodf" : "fmodl");
+                if (_LIB_VERSION == _SVID_)
+                    exc.retval = x;
+		else
+		    exc.retval = zero/zero;
+                if (_LIB_VERSION == _POSIX_)
+                  __set_errno (EDOM);
+                else if (!matherr(&exc)) {
+                  if (_LIB_VERSION == _SVID_) {
+                    (void) WRITE2("fmod:  DOMAIN error\n", 20);
+                  }
+                  __set_errno (EDOM);
+                }
+                break;
+            case 28:
+	    case 128:
+	    case 228:
+                /* remainder(x,0) */
+                exc.type = DOMAIN;
+                exc.name = type < 100 ? "remainder" : (type < 200
+						       ? "remainderf"
+						       : "remainderl");
+                exc.retval = zero/zero;
+                if (_LIB_VERSION == _POSIX_)
+                  __set_errno (EDOM);
+                else if (!matherr(&exc)) {
+                  if (_LIB_VERSION == _SVID_) {
+                    (void) WRITE2("remainder: DOMAIN error\n", 24);
+                  }
+                  __set_errno (EDOM);
+                }
+                break;
+            case 29:
+	    case 129:
+	    case 229:
+                /* acosh(x<1) */
+                exc.type = DOMAIN;
+                exc.name = type < 100 ? "acosh" : (type < 200
+						   ? "acoshf" : "acoshl");
+                exc.retval = zero/zero;
+                if (_LIB_VERSION == _POSIX_)
+                  __set_errno (EDOM);
+                else if (!matherr(&exc)) {
+                  if (_LIB_VERSION == _SVID_) {
+                    (void) WRITE2("acosh: DOMAIN error\n", 20);
+                  }
+                  __set_errno (EDOM);
+                }
+                break;
+            case 30:
+	    case 130:
+	    case 230:
+                /* atanh(|x|>1) */
+                exc.type = DOMAIN;
+                exc.name = type < 100 ? "atanh" : (type < 200
+						   ? "atanhf" : "atanhl");
+                exc.retval = zero/zero;
+                if (_LIB_VERSION == _POSIX_)
+                  __set_errno (EDOM);
+                else if (!matherr(&exc)) {
+                  if (_LIB_VERSION == _SVID_) {
+                    (void) WRITE2("atanh: DOMAIN error\n", 20);
+                  }
+                  __set_errno (EDOM);
+                }
+                break;
+            case 31:
+	    case 131:
+	    case 231:
+                /* atanh(|x|=1) */
+                exc.type = SING;
+                exc.name = type < 100 ? "atanh" : (type < 200
+						   ? "atanhf" : "atanhl");
+		exc.retval = x/zero;	/* sign(x)*inf */
+                if (_LIB_VERSION == _POSIX_)
+                  __set_errno (EDOM);
+                else if (!matherr(&exc)) {
+                  if (_LIB_VERSION == _SVID_) {
+                    (void) WRITE2("atanh: SING error\n", 18);
+                  }
+                  __set_errno (EDOM);
+                }
+                break;
+	    case 32:
+	    case 132:
+	    case 232:
+		/* scalb overflow; SVID also returns +-HUGE_VAL */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "scalb" : (type < 200
+						   ? "scalbf" : "scalbl");
+		exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 33:
+	    case 133:
+	    case 233:
+		/* scalb underflow */
+		exc.type = UNDERFLOW;
+		exc.name = type < 100 ? "scalb" : (type < 200
+						   ? "scalbf" : "scalbl");
+		exc.retval = __copysign(zero,x);
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 34:
+	    case 134:
+	    case 234:
+		/* j0(|x|>X_TLOSS) */
+                exc.type = TLOSS;
+                exc.name = type < 100 ? "j0" : (type < 200 ? "j0f" : "j0l");
+                exc.retval = zero;
+                if (_LIB_VERSION == _POSIX_)
+                        __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        if (_LIB_VERSION == _SVID_) {
+                                (void) WRITE2(exc.name, 2);
+                                (void) WRITE2(": TLOSS error\n", 14);
+                        }
+                        __set_errno (ERANGE);
+                }
+		break;
+	    case 35:
+	    case 135:
+	    case 235:
+		/* y0(x>X_TLOSS) */
+                exc.type = TLOSS;
+                exc.name = type < 100 ? "y0" : (type < 200 ? "y0f" : "y0l");
+                exc.retval = zero;
+                if (_LIB_VERSION == _POSIX_)
+                        __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        if (_LIB_VERSION == _SVID_) {
+                                (void) WRITE2(exc.name, 2);
+                                (void) WRITE2(": TLOSS error\n", 14);
+                        }
+                        __set_errno (ERANGE);
+                }
+		break;
+	    case 36:
+	    case 136:
+	    case 236:
+		/* j1(|x|>X_TLOSS) */
+                exc.type = TLOSS;
+                exc.name = type < 100 ? "j1" : (type < 200 ? "j1f" : "j1l");
+                exc.retval = zero;
+                if (_LIB_VERSION == _POSIX_)
+                        __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        if (_LIB_VERSION == _SVID_) {
+                                (void) WRITE2(exc.name, 2);
+                                (void) WRITE2(": TLOSS error\n", 14);
+                        }
+                        __set_errno (ERANGE);
+                }
+		break;
+	    case 37:
+	    case 137:
+	    case 237:
+		/* y1(x>X_TLOSS) */
+                exc.type = TLOSS;
+                exc.name = type < 100 ? "y1" : (type < 200 ? "y1f" : "y1l");
+                exc.retval = zero;
+                if (_LIB_VERSION == _POSIX_)
+                        __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        if (_LIB_VERSION == _SVID_) {
+                                (void) WRITE2(exc.name, 2);
+                                (void) WRITE2(": TLOSS error\n", 14);
+                        }
+                        __set_errno (ERANGE);
+                }
+		break;
+	    case 38:
+	    case 138:
+	    case 238:
+		/* jn(|x|>X_TLOSS) */
+                exc.type = TLOSS;
+                exc.name = type < 100 ? "jn" : (type < 200 ? "jnf" : "jnl");
+                exc.retval = zero;
+                if (_LIB_VERSION == _POSIX_)
+                        __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        if (_LIB_VERSION == _SVID_) {
+                                (void) WRITE2(exc.name, 2);
+                                (void) WRITE2(": TLOSS error\n", 14);
+                        }
+                        __set_errno (ERANGE);
+                }
+		break;
+	    case 39:
+	    case 139:
+	    case 239:
+		/* yn(x>X_TLOSS) */
+                exc.type = TLOSS;
+                exc.name = type < 100 ? "yn" : (type < 200 ? "ynf" : "ynl");
+                exc.retval = zero;
+                if (_LIB_VERSION == _POSIX_)
+                        __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                        if (_LIB_VERSION == _SVID_) {
+                                (void) WRITE2(exc.name, 2);
+                                (void) WRITE2(": TLOSS error\n", 14);
+                        }
+                        __set_errno (ERANGE);
+                }
+		break;
+	    case 40:
+	    case 140:
+	    case 240:
+		/* gamma(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "tgamma" : (type < 200
+						   ? "tgammaf" : "tgammal");
+		exc.retval = HUGE_VAL;
+                if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+                else if (!matherr(&exc)) {
+                  __set_errno (ERANGE);
+                }
+		break;
+	    case 41:
+	    case 141:
+	    case 241:
+		/* gamma(-integer) or gamma(0) */
+		exc.type = SING;
+		exc.name = type < 100 ? "tgamma" : (type < 200
+						   ? "tgammaf" : "tgammal");
+		exc.retval = NAN;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (EDOM);
+		else if (!matherr(&exc)) {
+		  if (_LIB_VERSION == _SVID_) {
+			(void) WRITE2("tgamma: SING error\n", 18);
+			exc.retval = HUGE_VAL;
+		      }
+		  __set_errno (EDOM);
+		}
+		break;
+	    case 42:
+	    case 142:
+	    case 242:
+		/* pow(NaN,0.0) */
+		/* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
+		exc.type = DOMAIN;
+		exc.name = type < 100 ? "pow" : (type < 200 ? "powf" : "powl");
+		exc.retval = x;
+		if (_LIB_VERSION == _IEEE_ ||
+		    _LIB_VERSION == _POSIX_) exc.retval = 1.0;
+		else if (!matherr(&exc)) {
+			__set_errno (EDOM);
+		}
+		break;
+
+	    case 44:
+	    case 144:
+	    case 244:
+		/* exp(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "exp2" : (type < 200
+						  ? "exp2f" : "exp2l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 45:
+	    case 145:
+	    case 245:
+		/* exp(finite) underflow */
+		exc.type = UNDERFLOW;
+		exc.name = type < 100 ? "exp2" : (type < 200
+						  ? "exp2f" : "exp2l");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+
+	    case 46:
+	    case 146:
+	    case 246:
+		/* exp(finite) overflow */
+		exc.type = OVERFLOW;
+		exc.name = type < 100 ? "exp10" : (type < 200
+						   ? "exp10f" : "exp10l");
+		if (_LIB_VERSION == _SVID_)
+		  exc.retval = HUGE;
+		else
+		  exc.retval = HUGE_VAL;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+	    case 47:
+	    case 147:
+	    case 247:
+		/* exp(finite) underflow */
+		exc.type = UNDERFLOW;
+		exc.name = type < 100 ? "exp10" : (type < 200
+						   ? "exp10f" : "exp10l");
+		exc.retval = zero;
+		if (_LIB_VERSION == _POSIX_)
+		  __set_errno (ERANGE);
+		else if (!matherr(&exc)) {
+			__set_errno (ERANGE);
+		}
+		break;
+		/* #### Last used is 47/147/247 ### */
+	}
+	return exc.retval;
+}