firstbt writes: > when i invoke glibc's cos(1.5707963267948972),it returns me 0xbcc5cb4000000000(8 bytes of the memory),but when i use fdlibm,it returns me 0xbcc5cb3b399d747f. > How can i get 0xbcc5cb3b399d747f only use glibc? Is there some gcc compiler options or flags like -single* can solve this problem??? If you provide a test case that we can run which demonstrates the problem we will try to help. We need to know exactly which arch/OS/etc you're running on. Andrew.
