matherr.cpp File Reference

#include <math.h>
#include <corecrt_startup.h>
#include <corecrt_internal.h>

Include dependency graph for matherr.cpp:

Go to the source code of this file.

Functions
void __cdecl	__acrt_initialize_user_matherr (void *encoded_null)
bool __cdecl	__acrt_has_user_matherr (void)
int __cdecl	__acrt_invoke_user_matherr (struct _exception *_Exp)
void __cdecl	__setusermatherr (_UserMathErrorFunctionPointer _UserMathErrorFunction)
int __cdecl	_invoke_matherr (int type, char *name, double arg1, double arg2, double retval)

Variables
static __crt_state_management::dual_state_global< _UserMathErrorFunctionPointer >	__acrt_global_user_matherr

Function Documentation

__acrt_has_user_matherr()

bool __cdecl __acrt_has_user_matherr

(

void

)

Definition at line 32 of file matherr.cpp.

{
    _UserMathErrorFunctionPointer user_matherr =
        __crt_fast_decode_pointer(__acrt_global_user_matherr.value());
    return user_matherr != nullptr;
}

__acrt_initialize_user_matherr()

void __cdecl __acrt_initialize_user_matherr

(

void *

encoded_null

)

Definition at line 22 of file matherr.cpp.

{
    __acrt_global_user_matherr.initialize(
        reinterpret_cast<_UserMathErrorFunctionPointer>(encoded_null));
}

Referenced by initialize_pointers().

__acrt_invoke_user_matherr()

int __cdecl __acrt_invoke_user_matherr

(

struct _exception *

_Exp

)

Definition at line 43 of file matherr.cpp.

{
    _UserMathErrorFunctionPointer user_matherr =
        __crt_fast_decode_pointer(__acrt_global_user_matherr.value());
    if (user_matherr != nullptr)
    {
        return user_matherr(_Exp);
    }
 
    return 0;
}

Referenced by _invoke_matherr().

__setusermatherr()

void __cdecl __setusermatherr

(

_UserMathErrorFunctionPointer

_UserMathErrorFunction

)

Definition at line 61 of file matherr.cpp.

{
    _UserMathErrorFunctionPointer encodedPtr =
        __crt_fast_encode_pointer(_UserMathErrorFunction);
 
    __acrt_global_user_matherr.value() = encodedPtr;
}

Referenced by test_math_errors().

_invoke_matherr()

int __cdecl _invoke_matherr	(	int	type,
		char *	name,
		double	arg1,
		double	arg2,
		double	retval
	)

Definition at line 76 of file matherr.cpp.

{
    struct _exception excpt;
    excpt.type = type;
    excpt.name = name;
    excpt.arg1 = arg1;
    excpt.arg2 = arg2;
    excpt.retval = retval;
    return __acrt_invoke_user_matherr(&excpt);
}

Referenced by _handle_error(), and _handle_errorf().

Variable Documentation

__acrt_global_user_matherr

__crt_state_management::dual_state_global<_UserMathErrorFunctionPointer> __acrt_global_user_matherr

static

Definition at line 15 of file matherr.cpp.

Referenced by __acrt_has_user_matherr(), __acrt_initialize_user_matherr(), __acrt_invoke_user_matherr(), and __setusermatherr().