[PDF] control statements in fortran 77

This chapter describes the statements recognized by Sun FORTRAN 77. statement, control is returned to the statement identified by the eth alternate.Questions associées
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  • What are the control constructs in Fortran?

    The Fortran statements that control which statements are executed, together with the statements executed, are called control constructs.
    The three control constructs, the if construct, the case construct, and the do construct, are discussed in this chapter.

  • What is the common statement in Fortran 77?

    The COMMON statement defines a block of main memory storage so that different program units can share the same data without using arguments.

  • What are the variables in Fortran 77?

    Fortran 77 has only one type for integer variables.
    Integers are usually stored as 32 bits (4 bytes) variables.
    Therefore, all integer variables should take on values in the range [-m,m] where m is approximately 2*10^9.
    Fortran 77 has two different types for floating point variables, called real and double precision.

  • What are the variables in Fortran 77?

    The PARAMETER statement assigns a symbolic name to a constant.
    In this alternate form, the type of the constant expression determines the type of the name; no conversion is done.

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