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Fortran
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CODE:
! Console5.f90
!
! FUNCTIONS:
! Console5 - Entry point of console application.
!
!****************************************************************************
!
! PROGRAM: Console5
!
! PURPOSE: Entry point for the console application.
!
!****************************************************************************
!
MODULE data
INTERFACE OPERATOR(*)
MODULE PROCEDURE star
END INTERFACE
TYPE matrix
INTEGER::m,n
INTEGER,DIMENSION(:,:),POINTER::a
END TYPE matrix
CONTAINS
FUNCTION star(mt1,mt2) RESULT(mproduct)
TYPE(matrix),INTENT(IN)::mt1,mt2
TYPE(matrix)::mproduct
INTEGER::i,j,k
IF(mt1.n/=mt2.n)THEN
mproduct.m=0;mproduct.n=0
ALLOCATE(mproduct%a(0,0))
ELSE
mproduct.m=mt1.m;mproduct.n=mt2.n
ALLOCATE(mproduct%a(mt1.m,mt2.n))
DO i=1,mt1.m
DO j=1,mt2.n
mproduct.a(i,j)=0
DO k=1,mt1.n
mproduct.a(i,j)=mproduct.a(i,j)+mt1.a(i,k)*mt2.a(k,j)
END DO
END DO
END DO
END IF
END FUNCTION star
END MODULE data
!
program Console5
USE data
TYPE(matrix)::mx1,mx2,mx
INTEGER,TARGET::a1(2,4),a2(4,2)
OPEN(1,FILE='myf1.out')
a1=RESHAPE((/1,3,5,7,2,4,6,8/),(/2,4/))
a2=RESHAPE((/2,4,6,8,1,3,5,7/),(/4,2/))
mx1=matrix(2,4,a1);mx2=matrix(4,2,a2);mx=mx1*mx2
WRITE(1,'(2I5)')((mx.a(i,j),j=1,2),i=1,2)
end program Console5
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Originally posted by
snoopyzhao
at 2010-09-11 22:13:17:
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µÄÈ·²»ÄܱàÒ룬gfortran »áÌáʾ IF(mt1.n/=mt2.n)THEN ÕâÒ»ÐÐÓдíÎ󣬵±È»£¬»¹ÓкܶàºÜ¶àµÄ´íÎó¡£ÎÒÒ²²»ÖªµÀÊÇÔõô»ØÊ¶ù£¬ÒòΪÎÒ¶Ô f90 ²»ÊìϤ¡¡
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ÒýÓûØÌû:
Originally posted by
snoopyzhao
at 2010-09-11 21:54:24:
µÄÈ·²»ÄܱàÒ룬gfortran »áÌáʾ IF(mt1.n/=mt2.n)THEN ÕâÒ»ÐÐÓдíÎ󣬵±È»£¬»¹ÓкܶàºÜ¶àµÄ´íÎó¡£ÎÒÒ²²»ÖªµÀÊÇÔõô»ØÊ¶ù£¬ÒòΪÎÒ¶Ô f90 ²»ÊìϤ¡¡
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