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name-external-function

domain-of-parameter :

name-unconditional-domain

name-unconditional-domain / index-expression

name-unconditional-domain / ( list-index-expression )

iterated-variable-on-domain :

name-variable-on-domain [ name-iteration-index [-1] ]

name-standard-function :

sqrt

abs

exp

alog

alog10

sin

cos

asin

atan

sign

dsqrt

dabs

dexp

dalog

dalog

dsin

dcos

dasin

datan

dsign

entier

name-m-standard-function :

amax1

amin1

dmax1

dmin1

call-part :

COMPUTE name-part [ ( actual-parameters )]

actual-parameters :

[ list-in-parameter ] [ RESULT list-out-parameter ]

out-parameter :

name-scalar

name-variable-on-domain ON domain-of-parameter

iterated-variable-on-domain ON domain-of-parameter

iteration :

head-of-iteration

[ boundary-value ]

initial-value

body-of-iteration

exit-condition

end-iteration

head-of-iteration :

ITERATION list-iterated-element ON name-iteration-index .

iterated-element :

name-variable [ ( list-name-result ) ]

boundary-value :

BOUNDARY { operator .}⁺ END BOUNDARY

initial-value :

INITIAL name-iteration-index = 0 : { element-of-initial .}⁺

END INITIAL

element-of--initial :

operator

declaration-of-input

declaration-of-output

body-of-iteration :

{ element-of-iteration-body . }⁺

element-of-iteration-body :

operator

iteration

declaration-of-output

exit-condition :

EXIT WHEN log-expression

end-iteration :

END ITERATION name-iteration-index

letter :

{ A,B,C,D,E,F,G,H,I,J,K,L,M,N,O,P,Q,R,S,T,U,V,W,X,Y,Z }

{ a,b,c,d,e,f,g,h,i,j k,l,m,n,o,p,q,r,s,t,u,v,w,x,y,z}

digit :

{ 0,1,2,3,4,5,6,7,8,9 }

special-symbol :

special-symbol-not-apostrophe

apostrophe

special-symbol-not-apostrophe :

{ space ,=,>,>,+,-,*,/,(,),[,],!,?,,,.,#}

apostrophe :

'

space :

Space has no graphical representation.

identificator :

letter { { digit, letter } }*

constant :

arithm-constant

string

arithm-constant:

int-constant

real-constant

double-constant

int-constant :

{ digit }⁺

real-constant :

body [ E [ { +,- } ] power ]

double-constant :

body [ D [ { +,- } ] power ]

body :

int-constant . int-constant

power

int-constant

string

‘ { { symbol-not-apostrophe, ‘‘ } }⁺‘

symbol-not-apostrophe:

letter

digit

special- symbol-not-apostrophe

supplementary-symbol

operation :

{rel-operation, log-operation, arithm-operation }

rel-operation:

{ =,>,<,<=,>=,<>,>< }

rel-except-not-equal-operation :

{ =,>,<,>=,<= }

log-operation :

{ AND, OR, NOT }

arithm-operation :

{ +,-,*,/,** }

name :

identificator

list-name :

name { , name }*

arithm-expression :

[ { +, - } ] term { arithm-operation term }*

term :

arihm-constant

call-function

name-index

name-domain-parameter

name-scalar

variable-on-domain

(arithm-expression)

variable-on-domain :

name-variable-on-domain [ [ list-index-expression ] ]

const-expression :

[ { +,- } ] const-expression-without-sign

const-expression-without-sign :

integer-term { arithm-operation integer-term }*

integer-term :

int-constant

name-domain-parameter

( const-expression )

index-expression :

name-index [ [ { +,- } ] const-expression-without-sign ]

name-index = const-expression-without-sign

name-index = name-index [ [ { +,- } ] const-expression-without-sign ]

log-expression :

[ NOT ] logic-term { log-operation logic-term }*

logic-term :

comparison

( log-expression )

comparison :

arithm-expression comp-operation arithm-expression

condition-on-domain :

log-expression

condition-on-index :

name-index rel-except-not-equal-operation

name-index [ { +,- } const-expression-without-sign ]

name-index rel-except-not-equal-operation const-expression-without-sign

Литература

1. И.Б. Задыхайло. Организация циклического процесса счета по параметрической записи специального вида. Журн. выч. мат. и мат. физ., 3, N 2, 1963, с. 337-357.

2. А.Н. Андрианов. Организация циклических вычислений в языке Норма. Препринт ИПМ им. М.В.Келдыша АН СССР, 1986, N 171, 28 с.

3. А.Н. Андрианов. Синтез параллельных и векторных программ по непроцедурной записи в языке Норма. Дис. канд. физ.-мат. наук, М., 1990. 144 с.

4. Andrianov A.N., Efimkin K.N., Zadykhailo I.B. Nonprocedural language for mathematical physics. Programming and Computer Software, 17, 1992,N2, p.10-22.

5. М.М. Васильев, К.Н. Ефимкин, В.Н. Иванова. О применении метода гидродинамических потенциалов к задаче обтекания тела. Математическое моделирование, 6, 1994, N 10, с.58-65.

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Характеристики

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