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.

1 files changed, 0 insertions, 772 deletions

diff --git a/libm/k_standard.c b/libm/k_standard.c
deleted file mode 100644
index 29e662d9c..000000000
--- 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 */