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/GNU Fortran 7

9.88 DPROD — Double product function

Description:

DPROD(X,Y) returns the product X*Y.

Standard:

Fortran 77 and later

Class:

Elemental function

Syntax:

RESULT = DPROD(X, Y)

Arguments:
X The type shall be REAL.
Y The type shall be REAL.
Return value:

The return value is of type REAL(8).

Example:
program test_dprod
    real :: x = 5.2
    real :: y = 2.3
    real(8) :: d
    d = dprod(x,y)
    print *, d
end program test_dprod
Specific names:
Name Argument Return type Standard
DPROD(X,Y) REAL(4) X, Y REAL(8) Fortran 77 and later

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Licensed under the GNU Free Documentation License, Version 1.3.
https://gcc.gnu.org/onlinedocs/gcc-7.1.0/gfortran/DPROD.html