FTYPE(3F)               COMMAND REFERENCE               FTYPE(3F)



NAME
     ftype, int, ifix, idint, real, float, sngl, dble, cmplx,
     dcmplx, ichar, char - explicit FORTRAN type conversion

SYNOPSIS
     integer i, j
     real r, s
     double precision dp, dq
     complex cx
     double complex dcx
     character*1 ch

     i = int(r)
     i = int(dp)
     i = int(cx)
     i = int(dcx)
     i = ifix(r)
     i = idint(dp)

     r = real(i)
     r = real(dp)
     r = real(cx)
     r = real(dcx)
     r = float(i)
     r = sngl(dp)

     dp = dble(i)
     dp = dble(r)
     dp = dble(cx)
     dp = dble(dcx)

     cx = cmplx(i)
     cx = cmplx(i, j)
     cx = cmplx(r)
     cx = cmplx(r, s)
     cx = cmplx(dp)
     cx = cmplx(dp, dq)
     cx = cmplx(dcx)

     dcx = dcmplx(i)
     dcx = dcmplx(i, j)
     dcx = dcmplx(r)
     dcx = dcmplx(r, s)
     dcx = dcmplx(dp)
     dcx = dcmplx(dp, dq)
     dcx = dcmplx(cx)

     i = ichar(ch)
     ch = char(i)

DESCRIPTION
     These functions perform conversion from one data type to



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FTYPE(3F)               COMMAND REFERENCE               FTYPE(3F)



     another.

     Int converts to integer from its real, double precision,
     complex, or double complex argument.  If the argument is
     real or double precision, int returns the integer whose
     magnitude is the largest integer that does not exceed the
     magnitude of the argument and whose sign is the same as the
     sign of the argument (for example, truncation).

     For complex types, the above rule is applied to the real
     part.  Ifix and idint convert only real and double precision
     arguments respectively.

     Real converts to real from an integer, double precision,
     complex, or double complex argument.  If the argument is
     double precision or double complex, as much precision is
     kept as is possible. If the argument is one of the complex
     types, the real part is returned.  Float and sngl convert
     only integer and double precision arguments respectively.

     Dble converts any integer, real, complex, or double complex
     argument to double precision form.

     If the argument is of a complex type, the real part is
     returned.

     Cmplx converts its integer, real, double precision, or
     double complex argument(s) to complex form.

     Dcmplx converts to double complex form its integer, real,
     double precision, or complex argument(s).

     Either one or two arguments may be supplied to cmplx and
     dcmplx.  If there is only one argument, it is taken as the
     real part of the complex type and a imaginary part of zero
     is supplied. If two arguments are supplied, the first is
     taken as the real part and the second as the imaginary part.

     Ichar converts from a character to an integer depending on
     the character's position in the collating sequence.

     Char returns the character in the ith position in the
     processor collating sequence where i is the supplied
     argument.

     For a processor capable of representing n characters:

          ichar(char(i)) = i for 0 <= i < n

          char(ichar(ch)) = ch for any representable character ch.





Printed 5/12/88                                                 2

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SEE ALSO
     intro(3f).





















































Printed 5/12/88                                                 3

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