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How To Solve Function Error In Fortran 77 Problems

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    This tutorial will describe some of the possible causes that can cause the error function in Fortran 77, and then I will suggest some possible fixes that you can try to resolve the issue.

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  • Imaginary part of a complex number

    See Note (6).

    and

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    IMAG IMAG DIMAG @ QIMAG @ COMPLEX DOUBLE COMPLEX COMPLEX * 32 PRESENT DOUBLE VALID * 16

    Conjugate proprietary number

    See note (6).

    (ar, -ai)

    error function in fortran 77

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    CONJG CONJG DCONJG @ QCONJG @ COMPLEX DOUBLE COMPLEX COMPLEX * 32 COMPLEX DOUBLE COMPLEX COMPLEX * 32

    square root

    ** (1/2)

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    SQRT SQRT DSQRT QSQRT @ CSQRT ZSQRT @ CDSQRT @ CQSQRT @ REAL DOUBLE VALID * 16 COMPLEX DOUBLE COMPLEX DOUBLE COMPLEX COMPLEX * 32 PRESENT DOUBLE VALID * 16 COMPLEX DOUBLE COMPLEX DOUBLE COMPLEX COMPLEX * 32

    Cubic root

    See note (8 ‘) .

    ** (1/3)

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    CBRT CBRT @ DCBRT @ QCBRT @ CCBRT @ ZCBRT @ CDCBRT @ CQCBRT @ REAL DOUBLE VALID * 16 COMPLEX DOUBLE COMPLEX COMPLEX * 32 PRESENT DOUBLE VALID * 16 COMPLEX DOUBLE complex double COMPLEX DOUBLE COMPLEX COMPLEX * 32

    Exponential

    and **

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    EXPERIENCE EXPERIENCE DEXP QEXP @ CEXP ZEXP @ CDEXP @ CQEXP @ REAL DOUBLE VALID * 16 COMPLEX DOUBLE COMPLEX COMPLEX * 32 PRESENT DOUBLE VALID * 16 COMPLEX DOUBLE complex double COMPLEX DOUBLE COMPLEX COMPLEX * 32

    Natural logarithm

    log (s)

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    LOG ALOGUE DLOGUE QLOG @ COLLECT ZLOG @ CDLOG @ CQLOG @ REAL DOUBLE VALID * 16 COMPLEX DOUBLE COMPLEX COMPLEX * 32 PRESENT DOUBLE VALID * 16 COMPLEX DOUBLE complex double COMPLEX DOUBLE COMPLEX COMPLEX * 32

    Decimal logarithm

    log10 (a)

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    LOG10 ALOG10 DLOG10 QLOG10 @ REAL DOUBLE REEL * 16 REEL DOUBLE VALID * 16

    error function (see map below)

    uh (a)

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    ERF ERF @ DERF @ VALID DOUBLE TRUE DOUBLE

    Error function

    error function in fortran 77

    1.0 – @ DERFC erf (a)

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    ERFC ERFC @ REAL DOUBLE TRUE DOUBLE

    Function return value

    Required Arguments

    X – a quarrel duringwhat value of the function is desired. (input)

    FORTRAN 90 Interface

    FORTRAN 77 Interface

    Description

    Example

    exit

    Function value

    Required Arguments

    X is an argument forwhat functional benefit is desired. (Enter)

    FORTRAN interface three months

    FORTRAN 77 Interface

    Description name = “D2HBdouble_preci66″>

    The x argument should not be as large as your result.subverts. Near x must end with

    where ‘s = AMACH (1)(see each reference material in the section-specific manual) smallestA convenient floating point number that can be represented ь.

    Comments

    Example

    Output of

    The following functional description defines the behavior of the library when errors are encountered at runtime.

    Use

    The following examples, which can certainly be found in the library’s source code experiments directory, show a common typical use of these group functions.

    In the Fortran 77/90/95 example, the Spanish language is f77error.f .

    The following example shows exactly how to stop execution on this particular error.

     program error f77    play did not play    Offer "f90calceph.h"   Whole * 8 Peph.   Full resolution    ! Configure the error trainer to stop when it occurserrors.     Call f90calceph_seterrorhandler (2, 0)    ! open this ephemeris file    ers = f90calceph_open (peph, "example1.dat") ... -. .! ....Stopend

    The following example shows how to precisely define a custom error handler function.

    ! ----------------------------------------- --------- --- ------------------------------------------ ! custom error in grade manager ! ------------------------------------------------- ---------------         Myhandler Routine (msg)            nobody acted            Symbol (length = *) :: msg           write (*, *) "Text message calceph or call myhandler function"            write (*, *) "Principles contain", len (msg), "characters"            write (*, *) "Error text:"            write (*, *) "----------------------"            to write a message           write (*, *) "----------------------"            write (*, *) "Error handler returned"         end ! ------------------------------------------------- --------------- ! Main program ! ------------------------------------------------- --------------- Solution to error f77    play did not play    Include "f90calceph.h"    full resolution   Whole * 8 Peph.    my visible manager     ! ? ! ! set sig drejer error to use my own callback     callov f90calceph_seterrorhandler (3, my handler)    ! open our ephemeris file    ers = f90calceph_open (peph, "example1.dat") ... :. .! ....Stopend

    F90calceph_seterrorhandler¶

    Routine f90calceph_seterrorhandler (typehandler, userfunc) ¶
    options

  • Handler type [INTEGER, Intent (in)] :: Handler type

  • Custom Function [EXTERNAL, Intent (in)] :: Custom Function

  • This function defines the behavior of the library whenever an error occurs while the function library is running. For this reason, all other functions in the library must (optionally) be called recently. The behavior depends on the value of the type handler.

    Possible values ​​versus handler type:

    value

    Value

    1