Simple Question regarding Intrinsic Procedures

[seniorrojo]

Hello,

I think I have a very simple question. I am trying to use a few intrinsic procedures in my

program (such as sin, cos, abs, etc.) and am wondering how to tell the compiler to include

these functions in my program?

So, for example, if I wanted to use the ABS function (Class: Elemental function; Generic) how

do I include this in my program?

Thanks in advance.

[TimP]

Quoting - seniorrojo

I am trying to use a few intrinsic procedures in my

program (such as sin, cos, abs, etc.) and am wondering how to tell the compiler to include

these functions in my program?

So, for example, if I wanted to use the ABS function (Class: Elemental function; Generic) how

do I include this in my program?

The standard Fortran 95 intrinsics are all available by default, as long as you don't redefine them into something else. Some of the new f2003 functions require corresponding USE declarations, as described in your textbook.

[Steven_L_Intel1]

To expand on Tim's reply - if the procedure is listed as an "intrinsic procedure", it's built in to the compiler and you need not do anything special to use it. Fortran also has "intrinsic modules", some of which contain procedures. These are documented separately (and actually, at this time, aren't documented at all in the Intel manuals - you'd have to read the F2003 standard for those.)

[seniorrojo]

Quoting - Steve Lionel (Intel)

To expand on Tim's reply - if the procedure is listed as an "intrinsic procedure", it's built in to the compiler and you need not do anything special to use it. Fortran also has "intrinsic modules", some of which contain procedures. These are documented separately (and actually, at this time, aren't documented at all in the Intel manuals - you'd have to read the F2003 standard for those.)

Hi Tim and Steve,

Thank you for your responses. In my haste to try a simple function in Fortran, I forgot

to assign it to a value. So instead of typing x=sin(3.14), I was simply typing sin(3.14) and

was receiving an error message. Sometimes it pays not to think in "Matlab" :-)

Thanks again for your assistance!