PART 34: Data structures for math mode

宏定义
#define	limits   1
	[#682] subtype of op_noad whose scripts are to be above, below 更多...
#define	nolimits   2
	[#682] subtype of op_noad whose scripts are to be normal 更多...
#define	noadsize   (4 * CHAR_NODE_SIZE)
	[#681] number of words in a normal noad 更多...
#define	radicalnoadsize   (5 * CHAR_NODE_SIZE)
	[#683] number of mem words in a radical noad 更多...
#define	fractionnoadsize   (6 * CHAR_NODE_SIZE)
	[#683] number of mem words in a fraction noad 更多...
#define	accentnoadsize   (5 * CHAR_NODE_SIZE)
	[#687] number of mem words in an accent noad 更多...
#define	stylenode   (UNSET_NODE + 1)
	[#688] type of a style node 更多...
#define	stylenodesize   3
	[#688] number of words in a style node 更多...
#define	cramped   1
	[#688] add this to an uncramped style if you want to cramp it. 更多...
#define	choicenode   (UNSET_NODE + 2)
	[#689] type of a choice node. 更多...
#define	nucleus(x)   ((x)+CHAR_NODE_SIZE) /* the |nucleus| field of a noad}*/
	[p250#681] 更多...
#define	supscr(x)   (nucleus(x)+CHAR_NODE_SIZE) /* the |supscr| field of a noad}*/
#define	subscr(x)   (supscr(x)+CHAR_NODE_SIZE) /* the |subscr| field of a noad}*/
#define	leftdelimiter(x)   (subscr(x)+CHAR_NODE_SIZE) /* first delimiter field of a noad}*/
	[p252#683] 更多...
#define	rightdelimiter(x)   (leftdelimiter(x)+CHAR_NODE_SIZE) /* second delimiter field of a fraction noad}*/
#define	accentchr(x)   (subscr(x)+CHAR_NODE_SIZE) /* the |accentchr| field of an accent noad}*/
	[p253#687] 更多...
#define	mathtype   link
	[p250#681] a |halfword| in |mem|. 更多...
#define	fam(x)   type(x)
#define	smallfam(x)   mem[x].qqqq.b0 /* |fam| for ``small'' delimiter}*/
	[p252#683] 更多...
#define	smallchar(x)   mem[x].qqqq.b1 /* |character| for ``small'' delimiter}*/
#define	largefam(x)   mem[x].qqqq.b2 /* |fam| for ``large'' delimiter}*/
#define	largechar(x)   mem[x].qqqq.b3 /* |character| for ``large'' delimiter}*/
#define	thickness(x)   (mem[nucleus(x)-MEM_MIN].sc) /* |thickness| field in a fraction noad}*/
#define	defaultcode   1073741824L
#define	numerator   supscr /* |numerator| field in a fraction noad}*/
#define	denominator   subscr /* |denominator| field in a fraction noad}*/
#define	delimiter   nucleus /* |delimiter| field in left and right noads}*/
	[p253#687] 更多...
#define	scriptsallowed(x)   ((type(x)>=ordnoad)&&(type(x)<leftnoad))
	[p253#687] 更多...
#define	vpack(x, y, z)   vpackage((x), (y), (z), MAX_DIMEN)
	[p245#668] special case of unconstrained depth 更多...
#define	displaymlist(x)   info(x+1) /* mlist to be used in display style}*/
	[p254#689] 更多...
#define	textmlist(x)   link(x+1) /* mlist to be used in text style}*/
#define	scriptmlist(x)   info(x+2) /* mlist to be used in script style}*/
#define	scriptscriptmlist(x)   link(x+2) /* mlist to be used in scriptscript style}*/

枚举
enum	NoadType {   ordnoad = (UNSET_NODE + 3) , opnoad , binnoad , relnoad ,   opennoad , closenoad , punctnoad , innernoad ,   radicalnoad , fractionnoad , undernoad , overnoad ,   accentnoad , vcenternoad , leftnoad , rightnoad }
	[p251#682] type of noad classified XXX. 更多...
enum	StyleNodeSubtype { displaystyle = 0 , textstyle = 2 , scriptstyle = 4 , scriptscriptstyle = 6 }
	[#688] 更多...

函数
void	mmode_init ()
	[#685] 更多...
HalfWord	newnoad (void)
HalfWord	newstyle (SmallNumber s)
HalfWord	newchoice (void)
void	printfamandchar (HalfWord p)
	[#691] prints family and character. 更多...
void	printdelimiter (HalfWord p)
	[#691] prints a delimiter as 24-bit hex value. 更多...
void	printsubsidiarydata (HalfWord p, ASCIICode c)
	[#692] display a noad field. 更多...
void	showinfo (void)
void	printstyle (Integer c)
	[#694] 更多...

变量
TwoHalves	emptyfield
	[p267#726] label not_use 更多...
FourQuarters	nulldelimiter

详细描述

宏定义说明

accentchr

#define accentchr

(

x

)

(subscr(x)+CHAR_NODE_SIZE) /* the |accentchr| field of an accent noad}*/

[p253#687]

accentnoadsize

#define accentnoadsize   (5 * CHAR_NODE_SIZE)

[#687] number of mem words in an accent noad

choicenode

#define choicenode   (UNSET_NODE + 2)

[#689] type of a choice node.

cramped

#define cramped   1

[#688] add this to an uncramped style if you want to cramp it.

defaultcode

#define defaultcode   1073741824L

delimiter

#define delimiter   nucleus /* |delimiter| field in left and right noads}*/

[p253#687]

denominator

#define denominator   subscr /* |denominator| field in a fraction noad}*/

displaymlist

#define displaymlist

(

x

)

info(x+1) /* mlist to be used in display style}*/

[p254#689]

fam

#define fam

(

x

)

type(x)

fractionnoadsize

#define fractionnoadsize   (6 * CHAR_NODE_SIZE)

[#683] number of mem words in a fraction noad

largechar

#define largechar

(

x

)

mem[x].qqqq.b3 /* |character| for ``large'' delimiter}*/

largefam

#define largefam

(

x

)

mem[x].qqqq.b2 /* |fam| for ``large'' delimiter}*/

leftdelimiter

#define leftdelimiter

(

x

)

(subscr(x)+CHAR_NODE_SIZE) /* first delimiter field of a noad}*/

[p252#683]

limits

#define limits   1

[#682] subtype of op_noad whose scripts are to be above, below

mathtype

#define mathtype   link

[p250#681] a |halfword| in |mem|.

noadsize

#define noadsize   (4 * CHAR_NODE_SIZE)

[#681] number of words in a normal noad

nolimits

#define nolimits   2

[#682] subtype of op_noad whose scripts are to be normal

nucleus

#define nucleus

(

x

)

((x)+CHAR_NODE_SIZE) /* the |nucleus| field of a noad}*/

[p250#681]

numerator

#define numerator   supscr /* |numerator| field in a fraction noad}*/

radicalnoadsize

#define radicalnoadsize   (5 * CHAR_NODE_SIZE)

[#683] number of mem words in a radical noad

rightdelimiter

#define rightdelimiter

(

x

)

(leftdelimiter(x)+CHAR_NODE_SIZE) /* second delimiter field of a fraction noad}*/

scriptmlist

#define scriptmlist

(

x

)

info(x+2) /* mlist to be used in script style}*/

scriptsallowed

#define scriptsallowed

(

x

)

((type(x)>=ordnoad)&&(type(x)<leftnoad))

[p253#687]

scriptscriptmlist

#define scriptscriptmlist

(

x

)

link(x+2) /* mlist to be used in scriptscript style}*/

smallchar

#define smallchar

(

x

)

mem[x].qqqq.b1 /* |character| for ``small'' delimiter}*/

smallfam

#define smallfam

(

x

)

mem[x].qqqq.b0 /* |fam| for ``small'' delimiter}*/

[p252#683]

stylenode

#define stylenode   (UNSET_NODE + 1)

[#688] type of a style node

stylenodesize

#define stylenodesize   3

[#688] number of words in a style node

subscr

#define subscr

(

x

)

(supscr(x)+CHAR_NODE_SIZE) /* the |subscr| field of a noad}*/

supscr

#define supscr

(

x

)

(nucleus(x)+CHAR_NODE_SIZE) /* the |supscr| field of a noad}*/

textmlist

#define textmlist

(

x

)

link(x+1) /* mlist to be used in text style}*/

thickness

#define thickness

(

x

)

(mem[nucleus(x)-MEM_MIN].sc) /* |thickness| field in a fraction noad}*/

vpack

#define vpack	(		x,
			y,
			z
	)		vpackage((x), (y), (z), MAX_DIMEN)

[p245#668] special case of unconstrained depth

枚举类型说明

NoadType

enum NoadType

[p251#682] type of noad classified XXX.

Each portion of a formula is classified as Ord, Op, Bin, Rel, Ope, Clo, Pun, or Inn, for purposes of spacing and line breaking.

枚举值
ordnoad	[#682] [UNSET_NODE=13 + 3 = 16] type of a noad classified Ord.
opnoad	noad classified Op
binnoad	noad classified Bin
relnoad	noad classified Rel
opennoad	noad classified Ope
closenoad	noad classified Clo
punctnoad	noad classified Pun
innernoad	noad classified Inn.
radicalnoad	noad for square roots
fractionnoad	noad for generalized fractions.
undernoad	noad for underlining
overnoad	noad for overlining
accentnoad	noad for accented subformulas
vcenternoad	noad for \vcenter
leftnoad	noad for \left
rightnoad	noad for \right

StyleNodeSubtype

enum StyleNodeSubtype

[#688]

枚举值
displaystyle	subtype for \displaystyle
textstyle	subtype for \textstyle
scriptstyle	subtype for \scriptstyle
scriptscriptstyle	subtype for \scriptscriptstyle

函数说明

mmode_init()

void mmode_init

(

)

[#685]

newchoice()

HalfWord newchoice

(

void

)

newnoad()

HalfWord newnoad

(

void

)

newstyle()

HalfWord newstyle

(

SmallNumber

s

)

printdelimiter()

void printdelimiter

(

HalfWord

p

)

[#691] prints a delimiter as 24-bit hex value.

printfamandchar()

void printfamandchar

(

HalfWord

p

)

[#691] prints family and character.

printstyle()

void printstyle

(

Integer

c

)

[#694]

printsubsidiarydata()

void printsubsidiarydata	(	HalfWord	p,
		ASCIICode	c
	)

[#692] display a noad field.

showinfo()

void showinfo

(

void

)

变量说明

emptyfield

TwoHalves emptyfield

[p267#726] label not_use

nulldelimiter

FourQuarters nulldelimiter