ReactOS  0.4.14-dev-50-g13bb5e2
floatobj.h File Reference
This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Macros

#define FIX2LONG(x)   (((x) + 8) >> 4)
 
#define LONG2FIX(x)   ((x) << 4)
 
#define FLOATOBJ_bConvertToLong(pf, pl)   (*pl = (LONG)*pf, TRUE)
 
#define FLOATOBJ_IsLong(pf)   ((FLOAT)((LONG)*(pf)) == *(pf))
 
#define FLOATOBJ_Equal0(pf)   (*(pf) == 0.)
 
#define FLOATOBJ_Equal1(pf)   (*(pf) == 1.)
 
#define FLOATOBJ_GetFix(pf)   ((LONG)(*(pf) * 16.))
 
#define FLOATOBJ_0   0.
 
#define FLOATOBJ_1   1.
 
#define FLOATOBJ_16   16.
 
#define FLOATOBJ_1_16   (1./16.)
 
#define FLOATOBJ_Set0(fo)   *(fo) = 0;
 
#define FLOATOBJ_Set1(fo)   *(fo) = 1;
 

Functions

 C_ASSERT (sizeof(FIX)==sizeof(LONG))
 

Variables

static const FLOATOBJ gef0 = 0.
 
static const FLOATOBJ gef1 = 1.
 
static const FLOATOBJ gef16 = 16.
 

Macro Definition Documentation

◆ FIX2LONG

#define FIX2LONG (   x)    (((x) + 8) >> 4)

Definition at line 4 of file floatobj.h.

◆ FLOATOBJ_0

#define FLOATOBJ_0   0.

Definition at line 110 of file floatobj.h.

◆ FLOATOBJ_1

#define FLOATOBJ_1   1.

Definition at line 111 of file floatobj.h.

◆ FLOATOBJ_16

#define FLOATOBJ_16   16.

Definition at line 112 of file floatobj.h.

◆ FLOATOBJ_1_16

#define FLOATOBJ_1_16   (1./16.)

Definition at line 113 of file floatobj.h.

◆ FLOATOBJ_bConvertToLong

#define FLOATOBJ_bConvertToLong (   pf,
  pl 
)    (*pl = (LONG)*pf, TRUE)

Definition at line 104 of file floatobj.h.

◆ FLOATOBJ_Equal0

#define FLOATOBJ_Equal0 (   pf)    (*(pf) == 0.)

Definition at line 106 of file floatobj.h.

◆ FLOATOBJ_Equal1

#define FLOATOBJ_Equal1 (   pf)    (*(pf) == 1.)

Definition at line 107 of file floatobj.h.

◆ FLOATOBJ_GetFix

#define FLOATOBJ_GetFix (   pf)    ((LONG)(*(pf) * 16.))

Definition at line 108 of file floatobj.h.

◆ FLOATOBJ_IsLong

#define FLOATOBJ_IsLong (   pf)    ((FLOAT)((LONG)*(pf)) == *(pf))

Definition at line 105 of file floatobj.h.

◆ FLOATOBJ_Set0

#define FLOATOBJ_Set0 (   fo)    *(fo) = 0;

Definition at line 119 of file floatobj.h.

◆ FLOATOBJ_Set1

#define FLOATOBJ_Set1 (   fo)    *(fo) = 1;

Definition at line 120 of file floatobj.h.

◆ LONG2FIX

#define LONG2FIX (   x)    ((x) << 4)

Definition at line 5 of file floatobj.h.

Function Documentation

◆ C_ASSERT()

C_ASSERT ( sizeof(FIX = =sizeof(LONG))

Variable Documentation

◆ gef0

const FLOATOBJ gef0 = 0.
static

Definition at line 115 of file floatobj.h.

Referenced by DC_vInitDc().

◆ gef1

const FLOATOBJ gef1 = 1.
static

Definition at line 116 of file floatobj.h.

Referenced by ScaleLong().

◆ gef16

const FLOATOBJ gef16 = 16.
static

Definition at line 117 of file floatobj.h.

Referenced by DC_vInitDc().