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author | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
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committer | PikalaxALT <pikalaxalt@gmail.com> | 2018-01-03 17:39:24 -0700 |
commit | a6c1ed4716cf02626ea035beb6dd4a921642ba80 (patch) | |
tree | ef582c1b52819e27bdd16097ec03b69799d04ede /newlib/libm/common/s_matherr.c | |
parent | f6c9a624fa8a6878a7fb2b02f55e4990a20feb59 (diff) |
Use libc from agbcc instead of standalone newlib\nYou must have AGBCC commit 80d029caec189587f8b9294b6c8a5a489b8f5f88 in order to compile pmd_red.gbalibc
Diffstat (limited to 'newlib/libm/common/s_matherr.c')
-rw-r--r-- | newlib/libm/common/s_matherr.c | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/newlib/libm/common/s_matherr.c b/newlib/libm/common/s_matherr.c deleted file mode 100644 index 58e2428..0000000 --- a/newlib/libm/common/s_matherr.c +++ /dev/null @@ -1,123 +0,0 @@ - -/* @(#)s_matherr.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. - * ==================================================== - */ - -/* - -FUNCTION - <<matherr>>---modifiable math error handler - -INDEX - matherr - -ANSI_SYNOPSIS - #include <math.h> - int matherr(struct exception *<[e]>); - -TRAD_SYNOPSIS - #include <math.h> - int matherr(*<[e]>) - struct exception *<[e]>; - -DESCRIPTION -<<matherr>> is called whenever a math library function generates an error. -You can replace <<matherr>> by your own subroutine to customize -error treatment. The customized <<matherr>> must return 0 if -it fails to resolve the error, and non-zero if the error is resolved. - -When <<matherr>> returns a nonzero value, no error message is printed -and the value of <<errno>> is not modified. You can accomplish either -or both of these things in your own <<matherr>> using the information -passed in the structure <<*<[e]>>>. - -This is the <<exception>> structure (defined in `<<math.h>>'): -. struct exception { -. int type; -. char *name; -. double arg1, arg2, retval; -. int err; -. }; - -The members of the exception structure have the following meanings: -o+ -o type -The type of mathematical error that occured; macros encoding error -types are also defined in `<<math.h>>'. - -o name -a pointer to a null-terminated string holding the -name of the math library function where the error occurred. - -o arg1, arg2 -The arguments which caused the error. - -o retval -The error return value (what the calling function will return). - -o err -If set to be non-zero, this is the new value assigned to <<errno>>. -o- - -The error types defined in `<<math.h>>' represent possible mathematical -errors as follows: - -o+ -o DOMAIN -An argument was not in the domain of the function; e.g. <<log(-1.0)>>. - -o SING -The requested calculation would result in a singularity; e.g. <<pow(0.0,-2.0)>> - -o OVERFLOW -A calculation would produce a result too large to represent; e.g. -<<exp(1000.0)>>. - -o UNDERFLOW -A calculation would produce a result too small to represent; e.g. -<<exp(-1000.0)>>. - -o TLOSS -Total loss of precision. The result would have no significant digits; -e.g. <<sin(10e70)>>. - -o PLOSS -Partial loss of precision. -o- - - -RETURNS -The library definition for <<matherr>> returns <<0>> in all cases. - -You can change the calling function's result from a customized <<matherr>> -by modifying <<e->retval>>, which propagates backs to the caller. - -If <<matherr>> returns <<0>> (indicating that it was not able to resolve -the error) the caller sets <<errno>> to an appropriate value, and prints -an error message. - -PORTABILITY -<<matherr>> is not ANSI C. -*/ - -#include "fdlibm.h" - -#ifdef __STDC__ - int matherr(struct exception *x) -#else - int matherr(x) - struct exception *x; -#endif -{ - int n=0; - if(x->arg1!=x->arg1) return 0; - return n; -} |