On Sun, May 27, 2007 at 01:17:23PM +0200, Francois Gouget wrote: > > Visual C++ 2005 does not like the way we compute the infinity and NaN > values. I've tried replacing the current divisions by zero with > arithmetic on FLT_MAX (at least for the infinity calculations), but it > did not like that either. > > Does anyone know how to make these calculations portable? > How does one get at these values on Windows? > > > diff --git a/dlls/ddraw/tests/d3d.c b/dlls/ddraw/tests/d3d.c > [...] > light.dvAttenuation0 = -1.0 / 0.0; /* -INFINITY */ > [...] > light.dvAttenuation0 = 1.0 / 0.0; /* +INFINITY */ > [...] > light.dvAttenuation0 = 0.0 / 0.0; /* NaN */
Why doesn't the code try using the INFINITY and NAN #defines? Would this help with Visual C++? Ciao, Marcus