magicat

a=0.3/0.0125; printf("a1=%f\n", a); printf("floor(a1)=%g\n", floorf(a)); a=floorf(0.3/0.0125); printf("a1=%f\n...

修改CCFLAGS，如果用mpich，是$(HPL_DEFS) -fomit-frame-pointer -03-funroll-loops -W –Wall， 用openmpi就要修改成 $(HPL_DEFS) -03 HPL 產生器 http://www.adva...

sys.argv getopt http://www.faqs.org/docs/diveintopython/kgp_commandline.html

在Python 中修改到全域變數時要宣告global globvar = 0 def set_globvar_to_one ():     global globvar     # Needed to modify global copy of globvar ...

http://www.python.org/ftp/python/2.5.5/Python-2.5.5.tar.bz2 tar jxf Python-2.5.5.tar.bz2 cd Python-2.5.5 ./configure make make test m...