flt_rounds.c revision 1.1
11.1Sjtc/* 21.1Sjtc * Written by J.T. Conklin, Apr 10, 1995 31.1Sjtc * Public domain. 41.1Sjtc */ 51.1Sjtc 61.1Sjtcstatic const int map[] = { 71.1Sjtc 1, /* round to nearest */ 81.1Sjtc 0, /* round to zero */ 91.1Sjtc 3, /* round to negative infinity */ 101.1Sjtc 2 /* round to positive infinity */ 111.1Sjtc}; 121.1Sjtc 131.1Sjtcint 141.1Sjtc__flt_rounds() 151.1Sjtc{ 161.1Sjtc int x; 171.1Sjtc 181.1Sjtc __asm__("st %%fsr,%0" : "=m" (*&x)); 191.1Sjtc return map[(x >> 30) & 0x03]; 201.1Sjtc} 21