PART 35: Subroutines for math mode

[ #699. 更多...

宏定义
#define	TEXT_SIZE   0
	p258#699: Subroutines for math mode 更多...
#define	SCRIPT_SIZE   16
#define	SCRIPT_SCRIPT_SIZE   32
#define	totalmathsyparams   22
#define	totalmathexparams   13
#define	mathsy(x, y)   (fontinfo[(x) + parambase[fam_fnt(2 + (y))]].sc)
	[p258#700] 更多...
#define	mathxheight(x)   mathsy(5, x) /* height of `\.x'}*/
#define	mathquad(x)   mathsy(6, x) /* \.{18mu}}*/
#define	num1(x)   mathsy(8,x) /* numerator shift-up in display styles}*/
#define	num2(x)   mathsy(9,x) /* numerator shift-up in non-display, non-\.{\\atop}}*/
#define	num3(x)   mathsy(10,x) /* numerator shift-up in non-display \.{\\atop}}*/
#define	denom1(x)   mathsy(11,x) /* denominator shift-down in display styles}*/
#define	denom2(x)   mathsy(12,x) /* denominator shift-down in non-display styles}*/
#define	sup1(x)   mathsy(13,x) /* superscript shift-up in uncramped display style}*/
#define	sup2(x)   mathsy(14,x) /* superscript shift-up in uncramped non-display}*/
#define	sup3(x)   mathsy(15,x) /* superscript shift-up in cramped styles}*/
#define	sub1(x)   mathsy(16,x) /* subscript shift-down if superscript is absent}*/
#define	sub2(x)   mathsy(17,x) /* subscript shift-down if superscript is present}*/
#define	supdrop(x)   mathsy(18,x) /* superscript baseline below top of large box}*/
#define	subdrop(x)   mathsy(19,x) /* subscript baseline below bottom of large box}*/
#define	delim1(x)   mathsy(20,x) /* size of \.{\\atopwithdelims} delimiters*/
#define	delim2(x)   mathsy(21,x) /* size of \.{\\atopwithdelims} delimiters in non-displays}*/
#define	axisheight(x)   mathsy(22,x) /* height of fraction lines above the baseline}*/
#define	mathex(x)   fontinfo[x + parambase[fam_fnt(3 + cursize)]].sc
	[p258#701] 更多...
#define	defaultrulethickness   mathex(8) /* thickness of \.{\\over} bars}*/
#define	bigopspacing1   mathex(9) /* minimum clearance above a displayed op}*/
#define	bigopspacing2   mathex(10) /* minimum clearance below a displayed op}*/
#define	bigopspacing3   mathex(11) /* minimum baselineskip above displayed op}*/
#define	bigopspacing4   mathex(12) /* minimum baselineskip below displayed op}*/
#define	bigopspacing5   mathex(13) /* padding above and below displayed limits}*/
#define	crampedstyle(x)   2*(x / 2)+cramped /* cramp the style}*/
	[p259#702] 更多...
#define	substyle(x)   2*(x / 4)+scriptstyle+cramped /* smaller and cramped}*/
#define	supstyle(x)   2*(x / 4)+scriptstyle+(x % 2) /* smaller}*/
#define	numstyle(x)   x+2-2*(x / 6) /* smaller unless already script-script}*/
#define	denomstyle(x)   2*(x / 2)+cramped+2-2*(x / 6) /* smaller, cramped}*/

函数
void	print_size (Integer s)
	[#699] 更多...
HalfWord	fractionrule (long t)
HalfWord	overbar (HalfWord b, long k, long t)
HalfWord	charbox (InternalFontNumber f, QuarterWord c)
void	stackintobox (HalfWord b, InternalFontNumber f, QuarterWord c)
Integer	heightplusdepth (InternalFontNumber f, QuarterWord c)
HalfWord	vardelimiter (HalfWord d, SmallNumber s, long v)
HalfWord	rebox (HalfWord b, long w)
HalfWord	mathglue (HalfWord g, long m)
void	mathkern (HalfWord p, long m)
void	flushmath (void)

详细描述

[ #699.

Subroutines for math mode. ]

宏定义说明

axisheight

#define axisheight

(

x

)

mathsy(22,x) /* height of fraction lines above the baseline}*/

bigopspacing1

#define bigopspacing1   mathex(9) /* minimum clearance above a displayed op}*/

bigopspacing2

#define bigopspacing2   mathex(10) /* minimum clearance below a displayed op}*/

bigopspacing3

#define bigopspacing3   mathex(11) /* minimum baselineskip above displayed op}*/

bigopspacing4

#define bigopspacing4   mathex(12) /* minimum baselineskip below displayed op}*/

bigopspacing5

#define bigopspacing5   mathex(13) /* padding above and below displayed limits}*/

crampedstyle

#define crampedstyle

(

x

)

2*(x / 2)+cramped /* cramp the style}*/

[p259#702]

defaultrulethickness

#define defaultrulethickness   mathex(8) /* thickness of \.{\\over} bars}*/

delim1

#define delim1

(

x

)

mathsy(20,x) /* size of \.{\\atopwithdelims} delimiters*/

delim2

#define delim2

(

x

)

mathsy(21,x) /* size of \.{\\atopwithdelims} delimiters in non-displays}*/

denom1

#define denom1

(

x

)

mathsy(11,x) /* denominator shift-down in display styles}*/

denom2

#define denom2

(

x

)

mathsy(12,x) /* denominator shift-down in non-display styles}*/

denomstyle

#define denomstyle

(

x

)

2*(x / 2)+cramped+2-2*(x / 6) /* smaller, cramped}*/

mathex

#define mathex

(

x

)

fontinfo[x + parambase[fam_fnt(3 + cursize)]].sc

[p258#701]

mathquad

#define mathquad

(

x

)

mathsy(6, x) /* \.{18mu}}*/

mathsy

#define mathsy	(		x,
			y
	)		(fontinfo[(x) + parambase[fam_fnt(2 + (y))]].sc)

[p258#700]

mathxheight

#define mathxheight

(

x

)

mathsy(5, x) /* height of `\.x'}*/

num1

#define num1

(

x

)

mathsy(8,x) /* numerator shift-up in display styles}*/

num2

#define num2

(

x

)

mathsy(9,x) /* numerator shift-up in non-display, non-\.{\\atop}}*/

num3

#define num3

(

x

)

mathsy(10,x) /* numerator shift-up in non-display \.{\\atop}}*/

numstyle

#define numstyle

(

x

)

x+2-2*(x / 6) /* smaller unless already script-script}*/

SCRIPT_SCRIPT_SIZE

#define SCRIPT_SCRIPT_SIZE   32

SCRIPT_SIZE

#define SCRIPT_SIZE   16

sub1

#define sub1

(

x

)

mathsy(16,x) /* subscript shift-down if superscript is absent}*/

sub2

#define sub2

(

x

)

mathsy(17,x) /* subscript shift-down if superscript is present}*/

subdrop

#define subdrop

(

x

)

mathsy(19,x) /* subscript baseline below bottom of large box}*/

substyle

#define substyle

(

x

)

2*(x / 4)+scriptstyle+cramped /* smaller and cramped}*/

sup1

#define sup1

(

x

)

mathsy(13,x) /* superscript shift-up in uncramped display style}*/

sup2

#define sup2

(

x

)

mathsy(14,x) /* superscript shift-up in uncramped non-display}*/

sup3

#define sup3

(

x

)

mathsy(15,x) /* superscript shift-up in cramped styles}*/

supdrop

#define supdrop

(

x

)

mathsy(18,x) /* superscript baseline below top of large box}*/

supstyle

#define supstyle

(

x

)

2*(x / 4)+scriptstyle+(x % 2) /* smaller}*/

TEXT_SIZE

#define TEXT_SIZE   0

p258#699: Subroutines for math mode

totalmathexparams

#define totalmathexparams   13

totalmathsyparams

#define totalmathsyparams   22

函数说明

charbox()

HalfWord charbox	(	InternalFontNumber	f,
		QuarterWord	c
	)

flushmath()

void flushmath

(

void

)

fractionrule()

HalfWord fractionrule

(

long

t

)

heightplusdepth()

Integer heightplusdepth	(	InternalFontNumber	f,
		QuarterWord	c
	)

mathglue()

HalfWord mathglue	(	HalfWord	g,
		long	m
	)

mathkern()

void mathkern	(	HalfWord	p,
		long	m
	)

overbar()

HalfWord overbar	(	HalfWord	b,
		long	k,
		long	t
	)

print_size()

void print_size

(

Integer

s

)

[#699]

rebox()

HalfWord rebox	(	HalfWord	b,
		long	w
	)

stackintobox()

void stackintobox	(	HalfWord	b,
		InternalFontNumber	f,
		QuarterWord	c
	)

vardelimiter()

HalfWord vardelimiter	(	HalfWord	d,
		SmallNumber	s,
		long	v
	)