Hello, Le lundi 26 avril 2010 à 14:33 +1200, Asad Ali a écrit : > Hi Jodi, > > > I once got different results when running on a 64-Bit platform > instead of > > a 32 bit platform - if i remember correctly, the reason was that on > the > > 32-bit platform 80bit extended precision floats were used but on the > 64bit > > platform only 64bit floats. > > Could you please give me an idea as how to check this extended > precision. This code will set the precision to double:
#include <fpu_control.h> fpu_control_t _cw; _FPU_GETCW(_cw); _cw = (_cw & ~_FPU_DOUBLE) | _FPU_EXTENDED; _FPU_SETCW(_cw); You should get the same result on 32 & 64 bits CPU then. Sylvestre
