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The following program compiles with ifort (version 12) but not with GFortran (up to version 4.8):
PROGRAM TEST
IMPLICIT NONE
REAL,DIMENSION(2,2)::X=(/1,2,3,4/)
WRITE(*,*) X
END PROGRAM TEST
GFortran gives the error
REAL,DIMENSION(2,2)::X=(/1,2,3,4/)
1
Error: Incompatible ranks 2 and 1 in assignment at (1)
Ifort compiles the program and gives the expected output. Is this a bug in GFortran or does intel fortran simply allow non-standard array initialization?
Re-write array declaration line as:
The reason ifort compiled it the other way is non-standard implementation. This is a way you can initialize arrays of rank higher than 1.