Oh boy,
Yes.  My mistake.  Now I'm getting a seg fault.

Thanks for catching this.  Too little sleep.

-Gus

On Thu, Sep 11, 2014 at 7:21 AM, Bogdan Opanchuk <[email protected]> wrote:

> Hi Gus,
>
>  Did you mean to write "target[gid] = tanh(matrix[gid]);"?
>
> On Fri, Sep 12, 2014 at 12:15 AM, Gus Peterson <[email protected]>
> wrote:
>
>> Hi all -
>>
>> I'm building a small set of OpenCL executable math functions with some
>> friends.  I'm having a hard time getting the "tanh" function to come out.
>>  When I compile the following code:
>>
>> *# OpenCL (C99) kernel code, compiled*
>> *prg = cl.Program(ctx, """*
>> *__kernel void ApplyTanh(__global const float *matrix, __global float
>> *target) {*
>> * int gid = get_global_id(0);*
>> * target[gid] = tanh(matrix);*
>> *}*
>> *""").build()*
>>
>> I get this error:
>>
>> *"/tmp/OCL7750T1.cl", line 4: error: no instance of overloaded function
>> "tanh"*
>> *          matches the argument list*
>> *            argument types are: (const __global float *)*
>> *  target[gid] = tanh(matrix);*
>>
>> What on earth can I do to get the OpenCL kernel code to execute a
>> hyperbolic tangent?
>>
>> Thanks,
>> Gus
>>
>> _______________________________________________
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>>
>>
>
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