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C23456789012345678901234567890123456789012345678901234567890123456789012 C======================================================================== C Exemple de programme type : calcul d'un sinus
C======================================================================== C PROGRAM TYPE C Declarations INTEGER I, IDEUX REAL AMPLITUDE(10),T & FREQUENCE, pi C Initialisations FREQUENCE = 50. PI = 3.1416 IDEUX = 0 C Corps du programme DO I=1,10 ideux = IDEUX+2 T = FLOAT(IDEUX)
AMPLITUDE(I) = SIN (2. * PI*FREQUENCE*T) WRITE(*,100)IDEUX
ENDDO
100 FORMAT(1X,I2) END
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020)*:1( +0) 4(12&//<.(5C) 3,4052( :1(++( *01*/=&N)( . 1)( /=&N)( /0,4+;2( () 45</3*&)2+&40*3230) .&)*+&/=&N)( .(*45(,3(5(2.(5)3(5/&5&/2;5(*.( +&*01* /=&N)( 9
H9 J.<*3')( +& *01*/=&N)( .( .1 3;,( &1 3;,( /&5&/2;5( 3)/+1*A
7 ()! ) ! '
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'-.
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#, ()! ) !
)( 014+1*3(15*/0)*2&)2(*123+3*<(*.&)*1) 450'5&,,( 011) *01*450'5&,,( .038()2 G25( .<@3)3(* &8&)2 01 &45<* *138&)2 +%1*&'( +(* .</+&5&230)* 4&5
+3)*251/230) 9
&'( #
(7(,4+( 9 T
T
H P A ! " P A ! ! ! #J
0, )''.'! '()% C '-. !
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6)2&7( 9 ∆ )0,O8&53&-+( 8&+(15O3)323&+(
(7(,4+( 9 )-403)2
5&60)" 2(,4*HJ 2(,4*$ A " #A " A$ 5&60)")-403)2$ #A" ##$
&)*/(2(7(,4+(" +&8&53&-+( (*23)323&+3*<( C #A (2+( )0,-5( .( 403)2* ! "C ##A ( 2&-+(&1"#!$.( .3,()*30) (*23)323&+3*</0,,( *1329
2(,4*HJP A 2(,4*HJP #A 2(,4*HJP A
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&45<*+( -+0/.( .</+&5&230)A
6)2&7( 9 ∆ )0,O-+0/8&5>"8&5"AAA?
( .<@3)321)( F0)( ,<,035( 123+3*<( 4&5&++;+(,()24&54+1*3(15*1)32<* .( 450'5&,,(A 015/(+& 3+.032G25( 5<4<2< .&)* /=&:1( *01*450'5&,,( 01 @0)/230) :13 123+3*( +(* 8&53&-+(* .<@3)3(* /0,,( &44&52()&)2 C /(22( F0)( ,<,035(A +4(126&80354+1*3(15* .&)*1) 450'5&,,(A
exemple : C Programme principal REAL X(100) CHARACTER*20 CAR INTEGER MAT(100,100) COMMON/TOTO/X,MAT,CAR . . Appel à sous-programme . . END C Sous-programme REAL ALPHA(100) CHARACTER*20 CAR INTEGER RES(100,100) COMMON/TOTO/ALPHA,RES,CAR . . . RETURN END &)*/(2(7(,4+(" +( .( )0, (*25<4<2<.&)*/=&:1( 1)32<.( 450'5&,,( 123+3*&)2+(*8&53&-+(*:13+( /0)23())()2A +@&125(,&5:1(5:1( +(* )0,*.( 8&53&-+(*.1 )( *0)24&*+(*,G,(*.&)*+( 450'5&,,( 453)/34&+ (2.&)* +( *01*450'5&,,(A +(*23,4<5&23@ /(4().&)2:1( +05.5( . </53215( .( +&+3*2( .(*8&53&-+(**032.( .</+&5&230) (2.( .3,()*30) 3.()23:1(*A
3)*3+( /0)2()1 .( +& 8&53&-+( .1 450'5&,,( 453)/34&+(*2/(+13.( +& 8&53&-+( .&)*+( *01*450'5&,,(A ( ,G,( +( /0)2()1.( /055(*40). &1 /0)2()1.( %& A
&'(
#E(* .
!% () F.
( 5L+( . 1)( -01/+( (*23.()23:1( C/(+13.( () 01() A ++( *(52C'<5(5.(*/&+/1+*5<4<2323@*A &*6)2&7( 4(12G25( .( .(17@05,(*9
∆ (2: ∆ 3/42 : 3.(-1223@3)>"34&*? ∆ 3/42: 3.(-12"3@3)>"34&*? )*251/230)* 01 )*251/230)* (2: !"9 /0,42(15.( -01/+( ' ("9 45(,3;5( 8&+(15:1( 45().5& !" ) 9 .(5)3;5( 8&+(15:1( 45().5& !"
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"*9 <23:1(22( 403)2&)2*151)( 3)*251/230) :13@(5,( +&-01/+(A (* 4&5&,;25(* "!" ' ("" ) (2 ! $ .038()2G25(
.</+&5<*/0,,( A &5=&-321.(" +(*)0,*.(*8&53&-+(*.( /0,42(15.( -01/+( !"/0,,()/()24&5 " U01VA
&8&+(15.( ! $4(12G25( )<'&238(A &-01/+( (@@(/21( &+05*1)( .</5<,()2&230) .1/0,42(15.( -01/+( (23+@&12:1( ' ("*032*14<53(15C ) A
+)( @&12B&,&3*,0.3@3(5+( /0,42(15.( -01/+( !"C+3)2<53(15.( +&-01/+(H-+0/ $"( " $JA (1+( +3)*251/230) .032';5(5/( /0,42(15A
3' ("(*2<'&+C ) " +( -+0/ $"( " $(*2(7</12<1)( *(1+( @03*A
&)*+( /&*0Z ! $(*240*323@" *3 ' ("(*2*14<53(15C ) " +( -+0/ $"( " $ ) (*24&*(7</12<A ( /&* ! $ )<'&23@*(7453,( .( @&M0) .1&+(A
exemple : INTEGER ICPT,DEB,FIN
REAL PRODAB(10,10), A(10,10) ,B(10,10) REAL Y(100),OMEGA,T
PARAMETER (OMEGA=314.16) C
C Calcul d'un produit matriciel PRODAB= A*B C
DO I=1,10
DO J =1,10
PRODAB(I,J) = 0. DO K = 1,10
PRODAB(I,J) = PRODAB(I,J) + A(I,k)*B(K,J) ENDDO
ENDDO ENDDO
C
C Calcul d'un sinus C T = 0. DEB = 100 FIN = 1 DO 10 ICPT=DEB,FIN, -2 Y(ICPT) = SIN(OMEGA*T) T = T+1. 10 CONTINUE END
3+) 6 & 4&*1) )0,-5( ()23(5.( 4&*. 3)/5<,()2&230) ()25( ' ("(2 ) " +& .(5)3;5( 8&+(15.1/0,42(15.( -01/+( !".&)*+&-01/+( (*2+&.(5)3;5( 8&+(15 3)@<53(15( C ) A +&*0523( .( +&-01/+(" +&8&+(15.( !"(*2+&45(,3;5( 8&+(15 3,,<.3&2(,()2*14<53(15( C ) A ( .(5)3(5/&*(*23++1*25<4&5+(7(,4+( *138&)29
P " #" 9
9
&)*+&-01/+(" +&45(,3;5( 8&+(15.( (*2 (2*&.(5)3;5( 8&+(15(*2 !A 45<*+&-01/+(" +&8&+(15.( (*2.( A
)( -01/+( I 4(5,(2.( 5<&+3*(51) ()*(,-+( . 3)*251/230)*2&)2:11)( /(52&3)( /0).3230) (*285&3(A 0,,( 45</<.(,,()2" 3+(73*2( .(17 *6)2&7(* 40**3-+(*9
&'( ∆ (2: ∆ G >/0).3230), G ∆ >/0).3230), )*251/230)* 01 )*251/230)* (2: "*9 <23:1(22( 403)2&)2*151)( 3)*251/230) :13@(5,( +&-01/+( ' " 9 (745(**30) +0'3:1(
3 ' " (*2@&1**( &8&)2.( 5()25(5.&)*+&-01/+(" +( -+0/ $"( " $)( *(5& 4&*(7</12<A
exemple : LOGICAL LTEST
INTEGER I1,I2,A(100),B(100) REAL T,TFIN,OMEGA,ALPHA(100) PARAMETER (TFIN=10.,OMEGA = 314.) C
C Calcul d'un sinus C T = 0. I1 = 1 DOWHILE(T.LT.TFIN) ALPHA(I1) = SIN(OMEGA*T) T = T+0.5 I1 = I1+1 ENDDO C
C .Permutation de deux tableaux C I1 = 1 I2 = 100 LTEST = .TRUE. DO 20 WHILE(LTEST) A(I1) = B(I2) I1 = I1 + 1 I2 = I2 - 1 IF(I1.GT.100.)LTEST=.FALSE. 20 CONTINUE END
0 () F.
! ()%''
()) .
! '
)! * '
()
012/0,,( () 01 () " +(*/0)25L+(*/0).3230))(+**0)25<&+3*<*4&5 +3)*251/230) A +(73*2( 4+1*3(15**6)2&7(*.( /0)25L+(*/0).3230))(+*9 >/0).3230), )*251/230)O*3,4+( ' " 9 (745(**30) +0'3:1(&)*/( /&*" 1)( *(1+( 3)*251/230) (*2(@@(/21<( *3 ' " (*285&3A >/0).3230),
)*251/230)*
&)*/( /&*" *3 ' " (*285&3&+05*+()*(,-+( .1-+0/ $"( " $(*2(@@(/21<A >/0).3230)J
)*251/230)*O# )*251/230)*O
&)*/( /&*" *3 ' " (*285&3&+05*+()*(,-+( .1 -+0/ $"( " $+, (*2 (@@(/21<*3)0) /(*2+( -+0/ $"( " + :13(*2(7</12<A >/0).3230)O#, )*251/230)*O# >/0).3230)O , )*251/230)*O >/0).3230)O , )*251/230)*O A A A > )*251/230)*O ?
&)*/( /&*" *3 ' " +,(*285&3&+05**(1++( -+0/ $"( " $+,(*2(7</12<" *3)0) *3 ' " + (*285&3&+05**(1++( -+0/ $"( " $+ (*2(7</12<" (2&3)*3 .( *132(AAAA 3&1/1)( /0).3230) ) (*28<53@3<( &+05**(1+.( -+0/ $"( " $+ (*2 (7</12<A &.(5)3;5( 3)*251/230) (*2@&/1+2&238( .&)*/(22( *6)2&7(A
&'(
exemple : LOGICAL LTEST
REAL X,Y,Z,PI PARAMETER (PI=3.1416) . . X = -1. IF(LTEST) X= 0. . . IF(X.LT.0.)THEN Y = PI/2. X = +1. ENDIF . . IF(X.EQ.0.)THEN Y = PI ELSE Y = 0. ENDIF . . IF(X.LT.0.)THEN Y = PI/4. ELSEIF(X.GT.0.)THEN Y = PI/2. ELSE Y = PI ENDIF
(2(7(,4+( *&)**3')3@3/&230) ,0)25( 2012(*+(**6)2&7(*40**3-+(*.( +3)*251/230) A
#
(" ++ $ '
) '
$ .
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A +*( 2(5,3)( 201B015*4&5+3)*251/230) A #, )! * '() 6)2&7( 9 ∆ )0,4 #! 9 )0, .1450'5&,,( () 5(*4(/2&)2+(*,G,(*5;'+(*:1( 4015 +(*)0,*.( 8&53&-+(* (22( 3)*251/230) 4(5,(2.( )0,,(5+( 450'5&,,( 453)/34&+A 0, )! * '() (22( 3)*251/230) 4(5,(2. 3)@05,(5 +( /0,43+&2(15 *15 +& @3) . 1)( 1)32< .( 450'5&,,(A ( :13*1321)( 3)*251/230) /0)/(5)(" *3+6&+3(1" 1)( &125( 1)32< .( 450'5&,,( :13(*2@05/<,()21) *01*450'5&,,( 011)( @0)/230)A
3, )! * '()
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0
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3, $$ .% !(*!$ (" ++ ? ')! * '()
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- 9 &5'1,()2*014&5&,;25(*4&**<*.&)*+( *01*450'5&,,( :13*0)2.(*)0,*.( 8&53&-+( H*3,4+( 01 2&-+(&1J" .(* /0)*2&)2(*01.(*(745(**30)*&532=,<23:1(*A
) *01*450'5&,,( 4(12<83.(,,()2() &44(+(51) &125(" ,&3*)( 4(12B&,&3* *&44(+(5+13,G,(A &)0230) .( 5</15*3832<)%(73*2( 4&*() A 05* .( *0) (7</1230)" +3)*251/230) &4015(@@(2.( .0))(5+( /0)25L+( &1*01* 450'5&,,(A
&'( E )0,*4>&5'2 AAA, H+0/&+(*&1*01*450'5&,,(J H+0/&+(*&1*01*450'5&,,(J U(1. 3)*251/230)*.1 01*450'5&,,( &8(/<8()21(++(,()2.(*3)*251/230)* 7, / +$.
(7(,4+( /3.(**01* (@@(/21( +( /&+/1+ .( +& 25&/( . 1)( ,&253/( .( .3,()*30)* ##7 ##(2.0))( +( 5<*1+2&2.&)* A SUBROUTINE TRACE(RES,MAT) REAL RES,MAT(100,100) C RES = 0. DO I=1,100 DO J = 1,100
IF(I.EQ.J)RES = RES +MAT(I,J) ENDDO ENDDO RETURN END
3
() '
()!
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! " # #
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0, )! * '()
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4, * * "&)& .
)0,@/H&5'" AAAJ
H+0/&+(*C+&@0)/230)J H+0/&+(*C+&@0)/230)J
U(1. 3)*251/230)*.( +&@0)/230) /&+/1+&)2+&8&+(15.( #) &8(/<8()21(++(,()2.(*3)*251/230)*
7, / +$.
(7(,4+( /3.(**01*(@@(/21( +( /&+/1+ [H@&/2053(+.( J INTEGER FUNCTION FACTORIEL(N)
INTEGER N C FACTORIEL = 1 DO I=1,N FACTORIEL = FACTORIEL * I ENDDO RETURN END ! " $% (*)0,*.(*@0)/230)*3)253)*;:1(**0)2.(*)0,**6,-0+3:1(*(2() '<)<5&+9 +( )0, . 1)( @0)/230) ()23;5( /0,,()/( 4&51) +( )0, . 1)( @0)/230) .01-+( 45</3*30) /0,,()/( 4&51) +( )0, . 1)( @0)/230) /0,4+(7( /0,,()/( 4&51) +( )0, . 1)( @0)/230) /0,4+(7( .01-+( 45</3*30) /0,,()/( 4&5
(15 123+3*&230) (*2 3.()23:1( C /(++( .(* @0)/230)* K123+3*&2(15K .</532( &1 4&5&'5&4=( 45</<.()2A 01* .0))0)* /3.(**01* 1)( +3*2( )0) (7=&1*238( .(* @0)/230)*+(*4+1*1*1(++(*A 015/=&/1)(" )01**4</3@30)**0) )0, (2*0) 264( (2 /(+13.( *0) 01*(*4&5&,;25(*A (+ + 9&+ '@* (+ % $$ . - $ 8$ % ! $ + ! 8$ % . 5() '() &/3)( /&55<( R 3)1* 0*3)1* 0' <4;53() 0'.</3,&+ # &)'()2( &+(15&-*0+1( 0)8(5*30)* .( 264(
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# ) (%* '
()
#, )'&.("'@*
) 20124<534=<53:1( (*25(4<5<4&51) ()23(5W0) 4&5+( &+05*. 1)32< +0'3:1(A
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&3*" *3+0) )( 8(124&*5(2()35/(*)1,<50*" 0) 4(124+&/(5+( /&5&/2;5( ." HTJ 40151)( 04<5&230) . ()25<($*0523( *15/(*.(171)32<*+0'3:1(*A 3)*3" 1) 05.5( .( +(/215( &1/+&83(5&15&+&*6)2&7( 9
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C23456789012345678901234567890123456789012345678901234567890123456789012 C
C Calcul d'un sinus et mise en fichier du résultat. On calcule 20 points par
C période et on calcule au maximum NPMAX points C
PROGRAM CALCUL_SINUS C
C Declarations
INTEGER I,IDEUX,NPMAX
REAL FREQUENCE, AMPLITUDE,PI,PHI REAL T,TFIN,PAS
PARAMETER (PI = 3.1416, NPMAX=100))
REAL VALEUR(NPMAX),TEMPS(NPMAX) C
C Initialisations WRITE(6,10)
10 FORMAT(1X,’Frequence (en Hertz) ? ‘) READ(5,20)FREQUENCE 20 FORMAT(E14.7) WRITE(6,30) 30 FORMAT(1X,’Amplitude ? ‘) READ(5,20)AMPLITUDE WRITE(6,40)
40 FORMAT(1X,’Dephasage (en Radians) ? ‘) READ(5,20)PHI
WRITE(6,50)
50 FORMAT(1X,’Temps final (en Secondes) ? ‘) READ(5,20)TFIN C T = 0. I = 0 PAS = 1./(FREQUENCE*20.) C C Calcul du sinus
DOWHILE (T.LE.TFIN .AND. I.LE.NPMAX) I = I+1
T = T +PAS
VALEUR(I) = AMPLITUDE*SIN (2. * PI*FREQUENCE*T + PHI) TEMPS (I) = T WRITE(6,60)TEMPS(I),VALEUR(I) ENDDO NP = I 60 FORMAT(1X,E14.7,5X,E14.7) C C Enregistrement du fichier CALL ECRIRE(NPMAX,NP,TEMPS,VALEUR) END .../... C
C Sous-programme assurant l’enregistrement des résultats C dans le fichier RES.DAT
C
SUBROUTINE ECRIRE(MAX,NP,T,VALEUR) C
INTEGER NP,MAX
REAL T(MAX), VALEUR(MAX) C
C Creation et ouverture du fichier RES.DAT
OPEN(UNIT=50, FILE=‘RES.DAT’, STATUS =‘NEW’) C C Ecriture du fichier WRITE(50,10)NP 10 FORMAT(1X,I3) DO I=1,NP WRITE(50,20)T(I),VALEUR(I) ENDDO 20 FORMAT(1X,E14.7,5X,E14.7) C C Fermeture du fichier CLOSE(UNIT=50) RETURN END
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C
C Sous-programme assurant la lecture des résultats situés dans le fichier RES.DAT
C
&'( C
INTEGER NP,MAX
REAL T(MAX), VALEUR(MAX) C
C Ouverture du fichier RES.DAT
OPEN(UNIT=50, FILE=‘RES.DAT’, STATUS =‘OLD’) C C Lecture du fichier READ(50,10)NP 10 FORMAT(1X,I3) DO I=1,NP READ(50,20)T(I),VALEUR(I) ENDDO 20 FORMAT(1X,E14.7,5X,E14.7) C C Fermeture du fichier CLOSE(UNIT=50) RETURN END
