OK, I figured it out. It seems that either (a) standard algebraic computations such as 2*a will be cast to double in some cases or (b) this happens in cases like powf(a, 2). I replaced all numbers with a float number (e.g. 2.0f) and that error is not raised anymore.
-Thomas On Wed, Jun 29, 2011 at 11:22 AM, Thomas Wiecki <thomas_wie...@brown.edu> wrote: > Hi, > > I always got these warnings while compiling, but now it seems they > lead to a compile error: > pycuda.driver.CompileError: nvcc said it demoted types in source code > it compiled--this is likely not what you want. > > My function is an elementwise kernel (so c code), all input arguments > and variables are floats. In the function I use logf, expf, sinf, > floorf, fmaxf etc. Would any of these return a double? How can I find > the perpetrator? > > Thanks, > Thomas > _______________________________________________ PyCUDA mailing list PyCUDA@tiker.net http://lists.tiker.net/listinfo/pycuda
