aboutsummaryrefslogtreecommitdiff
path: root/k_standard.c
diff options
context:
space:
mode:
authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:23 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:23 -0800
commitf177c949113889342d74aee8011a86bd4f589841 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /k_standard.c
parent74aa530c6ca9c2f10a0e3635b4211f1438b972b2 (diff)
downloadfdlibm-f177c949113889342d74aee8011a86bd4f589841.tar.gz
auto import from //depot/cupcake/@135843
Diffstat (limited to 'k_standard.c')
-rw-r--r--k_standard.c733
1 files changed, 0 insertions, 733 deletions
diff --git a/k_standard.c b/k_standard.c
deleted file mode 100644
index fb13464..0000000
--- a/k_standard.c
+++ /dev/null
@@ -1,733 +0,0 @@
-
-/* @(#)k_standard.c 1.3 95/01/18 */
-/*
- * ====================================================
- * Copyright (C) 1993 by Sun Microsystems, Inc. All rights reserved.
- *
- * Developed at SunSoft, a Sun Microsystems, Inc. business.
- * Permission to use, copy, modify, and distribute this
- * software is freely granted, provided that this notice
- * is preserved.
- * ====================================================
- *
- */
-
-#include "fdlibm.h"
-#include <errno.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) */
-
-static double zero = 0.0; /* used as const */
-
-/*
- * Standard conformance (non-IEEE) on exception cases.
- * Mapping:
- * 1 -- ieee_acos(|x|>1)
- * 2 -- ieee_asin(|x|>1)
- * 3 -- ieee_atan2(+-0,+-0)
- * 4 -- hypot overflow
- * 5 -- cosh overflow
- * 6 -- exp overflow
- * 7 -- exp underflow
- * 8 -- ieee_y0(0)
- * 9 -- ieee_y0(-ve)
- * 10-- ieee_y1(0)
- * 11-- ieee_y1(-ve)
- * 12-- ieee_yn(0)
- * 13-- ieee_yn(-ve)
- * 14-- ieee_lgamma(finite) overflow
- * 15-- ieee_lgamma(-integer)
- * 16-- ieee_log(0)
- * 17-- ieee_log(x<0)
- * 18-- ieee_log10(0)
- * 19-- ieee_log10(x<0)
- * 20-- ieee_pow(0.0,0.0)
- * 21-- ieee_pow(x,y) overflow
- * 22-- ieee_pow(x,y) underflow
- * 23-- ieee_pow(0,negative)
- * 24-- ieee_pow(neg,non-integral)
- * 25-- ieee_sinh(finite) overflow
- * 26-- ieee_sqrt(negative)
- * 27-- ieee_fmod(x,0)
- * 28-- ieee_remainder(x,0)
- * 29-- acosh(x<1)
- * 30-- atanh(|x|>1)
- * 31-- atanh(|x|=1)
- * 32-- scalb overflow
- * 33-- scalb underflow
- * 34-- ieee_j0(|x|>X_TLOSS)
- * 35-- ieee_y0(x>X_TLOSS)
- * 36-- ieee_j1(|x|>X_TLOSS)
- * 37-- ieee_y1(x>X_TLOSS)
- * 38-- ieee_jn(|x|>X_TLOSS, n)
- * 39-- ieee_yn(x>X_TLOSS, n)
- * 40-- ieee_gamma(finite) overflow
- * 41-- ieee_gamma(-integer)
- * 42-- ieee_pow(NaN,0.0)
- */
-
-
-#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;
-
- __HI(inf) = 0x7ff00000; /* set inf to infinite */
-#endif
-
-#ifdef _USE_WRITE
- (void) fflush(stdout);
-#endif
- exc.arg1 = x;
- exc.arg2 = y;
- switch(type) {
- case 1:
- /* ieee_acos(|x|>1) */
- exc.type = DOMAIN;
- exc.name = "acos";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if(_LIB_VERSION == _SVID_) {
- (void) WRITE2("acos: DOMAIN error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 2:
- /* ieee_asin(|x|>1) */
- exc.type = DOMAIN;
- exc.name = "asin";
- exc.retval = zero;
- if(_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if(_LIB_VERSION == _SVID_) {
- (void) WRITE2("asin: DOMAIN error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 3:
- /* ieee_atan2(+-0,+-0) */
- exc.arg1 = y;
- exc.arg2 = x;
- exc.type = DOMAIN;
- exc.name = "atan2";
- exc.retval = zero;
- if(_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if(_LIB_VERSION == _SVID_) {
- (void) WRITE2("atan2: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 4:
- /* ieee_hypot(finite,finite) overflow */
- exc.type = OVERFLOW;
- exc.name = "hypot";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 5:
- /* ieee_cosh(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = "cosh";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 6:
- /* ieee_exp(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = "exp";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 7:
- /* ieee_exp(finite) underflow */
- exc.type = UNDERFLOW;
- exc.name = "exp";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 8:
- /* ieee_y0(0) = -inf */
- exc.type = DOMAIN; /* should be SING for IEEE */
- exc.name = "y0";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y0: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 9:
- /* ieee_y0(x<0) = NaN */
- exc.type = DOMAIN;
- exc.name = "y0";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y0: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 10:
- /* ieee_y1(0) = -inf */
- exc.type = DOMAIN; /* should be SING for IEEE */
- exc.name = "y1";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y1: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 11:
- /* ieee_y1(x<0) = NaN */
- exc.type = DOMAIN;
- exc.name = "y1";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("y1: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 12:
- /* ieee_yn(n,0) = -inf */
- exc.type = DOMAIN; /* should be SING for IEEE */
- exc.name = "yn";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("yn: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 13:
- /* ieee_yn(x<0) = NaN */
- exc.type = DOMAIN;
- exc.name = "yn";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("yn: DOMAIN error\n", 17);
- }
- errno = EDOM;
- }
- break;
- case 14:
- /* ieee_lgamma(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = "lgamma";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 15:
- /* ieee_lgamma(-integer) or ieee_lgamma(0) */
- exc.type = SING;
- exc.name = "lgamma";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("lgamma: SING error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 16:
- /* ieee_log(0) */
- exc.type = SING;
- exc.name = "log";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log: SING error\n", 16);
- }
- errno = EDOM;
- }
- break;
- case 17:
- /* ieee_log(x<0) */
- exc.type = DOMAIN;
- exc.name = "log";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log: DOMAIN error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 18:
- /* ieee_log10(0) */
- exc.type = SING;
- exc.name = "log10";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log10: SING error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 19:
- /* ieee_log10(x<0) */
- exc.type = DOMAIN;
- exc.name = "log10";
- if (_LIB_VERSION == _SVID_)
- exc.retval = -HUGE;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("log10: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 20:
- /* ieee_pow(0.0,0.0) */
- /* error only if _LIB_VERSION == _SVID_ */
- exc.type = DOMAIN;
- exc.name = "pow";
- exc.retval = zero;
- if (_LIB_VERSION != _SVID_) exc.retval = 1.0;
- else if (!ieee_matherr(&exc)) {
- (void) WRITE2("pow(0,0): DOMAIN error\n", 23);
- errno = EDOM;
- }
- break;
- case 21:
- /* ieee_pow(x,y) overflow */
- exc.type = OVERFLOW;
- exc.name = "pow";
- if (_LIB_VERSION == _SVID_) {
- exc.retval = HUGE;
- y *= 0.5;
- if(x<zero&&ieee_rint(y)!=y) exc.retval = -HUGE;
- } else {
- exc.retval = HUGE_VAL;
- y *= 0.5;
- if(x<zero&&ieee_rint(y)!=y) exc.retval = -HUGE_VAL;
- }
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 22:
- /* ieee_pow(x,y) underflow */
- exc.type = UNDERFLOW;
- exc.name = "pow";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 23:
- /* 0**neg */
- exc.type = DOMAIN;
- exc.name = "pow";
- if (_LIB_VERSION == _SVID_)
- exc.retval = zero;
- else
- exc.retval = -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("pow(0,neg): DOMAIN error\n", 25);
- }
- errno = EDOM;
- }
- break;
- case 24:
- /* neg**non-integral */
- exc.type = DOMAIN;
- exc.name = "pow";
- if (_LIB_VERSION == _SVID_)
- exc.retval = zero;
- else
- exc.retval = zero/zero; /* X/Open allow NaN */
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("neg**non-integral: DOMAIN error\n", 32);
- }
- errno = EDOM;
- }
- break;
- case 25:
- /* ieee_sinh(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = "sinh";
- 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 (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 26:
- /* ieee_sqrt(x<0) */
- exc.type = DOMAIN;
- exc.name = "sqrt";
- if (_LIB_VERSION == _SVID_)
- exc.retval = zero;
- else
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("sqrt: DOMAIN error\n", 19);
- }
- errno = EDOM;
- }
- break;
- case 27:
- /* ieee_fmod(x,0) */
- exc.type = DOMAIN;
- exc.name = "fmod";
- if (_LIB_VERSION == _SVID_)
- exc.retval = x;
- else
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("fmod: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 28:
- /* ieee_remainder(x,0) */
- exc.type = DOMAIN;
- exc.name = "remainder";
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("remainder: DOMAIN error\n", 24);
- }
- errno = EDOM;
- }
- break;
- case 29:
- /* acosh(x<1) */
- exc.type = DOMAIN;
- exc.name = "acosh";
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("acosh: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 30:
- /* atanh(|x|>1) */
- exc.type = DOMAIN;
- exc.name = "atanh";
- exc.retval = zero/zero;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("atanh: DOMAIN error\n", 20);
- }
- errno = EDOM;
- }
- break;
- case 31:
- /* atanh(|x|=1) */
- exc.type = SING;
- exc.name = "atanh";
- exc.retval = x/zero; /* sign(x)*inf */
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("atanh: SING error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 32:
- /* scalb overflow; SVID also returns +-HUGE_VAL */
- exc.type = OVERFLOW;
- exc.name = "scalb";
- exc.retval = x > zero ? HUGE_VAL : -HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 33:
- /* scalb underflow */
- exc.type = UNDERFLOW;
- exc.name = "scalb";
- exc.retval = ieee_copysign(zero,x);
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 34:
- /* ieee_j0(|x|>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = "j0";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 35:
- /* ieee_y0(x>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = "y0";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 36:
- /* ieee_j1(|x|>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = "j1";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 37:
- /* ieee_y1(x>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = "y1";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 38:
- /* ieee_jn(|x|>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = "jn";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 39:
- /* ieee_yn(x>X_TLOSS) */
- exc.type = TLOSS;
- exc.name = "yn";
- exc.retval = zero;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2(exc.name, 2);
- (void) WRITE2(": TLOSS error\n", 14);
- }
- errno = ERANGE;
- }
- break;
- case 40:
- /* ieee_gamma(finite) overflow */
- exc.type = OVERFLOW;
- exc.name = "gamma";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = ERANGE;
- else if (!ieee_matherr(&exc)) {
- errno = ERANGE;
- }
- break;
- case 41:
- /* ieee_gamma(-integer) or ieee_gamma(0) */
- exc.type = SING;
- exc.name = "gamma";
- if (_LIB_VERSION == _SVID_)
- exc.retval = HUGE;
- else
- exc.retval = HUGE_VAL;
- if (_LIB_VERSION == _POSIX_)
- errno = EDOM;
- else if (!ieee_matherr(&exc)) {
- if (_LIB_VERSION == _SVID_) {
- (void) WRITE2("gamma: SING error\n", 18);
- }
- errno = EDOM;
- }
- break;
- case 42:
- /* ieee_pow(NaN,0.0) */
- /* error only if _LIB_VERSION == _SVID_ & _XOPEN_ */
- exc.type = DOMAIN;
- exc.name = "pow";
- exc.retval = x;
- if (_LIB_VERSION == _IEEE_ ||
- _LIB_VERSION == _POSIX_) exc.retval = 1.0;
- else if (!ieee_matherr(&exc)) {
- errno = EDOM;
- }
- break;
- }
- return exc.retval;
-}