exp_special.c File Reference

#include <fpieee.h>
#include <excpt.h>
#include <float.h>
#include <math.h>
#include <errno.h>
#include "libm_new.h"

Include dependency graph for exp_special.c:

Go to the source code of this file.

Macros
#define	EXP_X_NAN   1
#define	EXP_Y_ZERO   2
#define	EXP_Y_INF   3

Functions
float	_expf_special (float x, float y, U32 code)
double	_exp_special (double x, double y, U32 code)

Macro Definition Documentation

EXP_X_NAN

#define EXP_X_NAN   1

Definition at line 39 of file exp_special.c.

EXP_Y_INF

#define EXP_Y_INF   3

Definition at line 41 of file exp_special.c.

EXP_Y_ZERO

#define EXP_Y_ZERO   2

Definition at line 40 of file exp_special.c.

Function Documentation

_exp_special()

double _exp_special	(	double	x,
		double	y,
		U32	code
	)

Definition at line 73 of file exp_special.c.

{
    switch(code)
    {
    case EXP_X_NAN:
        {
            UT64 ym; ym.f64 = y;
            _handle_error("exp", _FpCodeExp, ym.u64, _DOMAIN, 0, EDOM, x, 0.0, 1);
        }
        break;
 
    case EXP_Y_ZERO:
        {
            UT64 ym; ym.f64 = y;
            _handle_error("exp", _FpCodeExp, ym.u64, _UNDERFLOW, AMD_F_INEXACT|AMD_F_UNDERFLOW, ERANGE, x, 0.0, 1);
        }
        break;
 
    case EXP_Y_INF:
        {
            UT64 ym; ym.f64 = y;
            _handle_error("exp", _FpCodeExp, ym.u64, _OVERFLOW, AMD_F_INEXACT|AMD_F_OVERFLOW, ERANGE, x, 0.0, 1);
        }
        break;
    }
 
 
    return y;
}

_expf_special()

float _expf_special	(	float	x,
		float	y,
		U32	code
	)

Definition at line 43 of file exp_special.c.

{
    switch(code)
    {
    case EXP_X_NAN:
        {
            UT64 ym; ym.u64 = 0; ym.f32[0] = y;
            _handle_errorf("expf", _FpCodeExp, ym.u64, _DOMAIN, 0, EDOM, x, 0.0, 1);
        }
        break;
 
    case EXP_Y_ZERO:
        {
            UT64 ym; ym.u64 = 0; ym.f32[0] = y;
            _handle_errorf("expf", _FpCodeExp, ym.u64, _UNDERFLOW, AMD_F_INEXACT|AMD_F_UNDERFLOW, ERANGE, x, 0.0, 1);
        }
        break;
 
    case EXP_Y_INF:
        {
            UT64 ym; ym.u64 = 0; ym.f32[0] = y;
            _handle_errorf("expf", _FpCodeExp, ym.u64, _OVERFLOW, AMD_F_INEXACT|AMD_F_OVERFLOW, ERANGE, x, 0.0, 1);
 
        }
        break;
    }
 
    return y;
}