types.c
上传用户:jlfgdled
上传日期:2013-04-10
资源大小:33168k
文件大小:1k
- /*
- * BK Id: SCCS/s.types.c 1.5 05/17/01 18:14:23 cort
- */
- #include "soft-fp.h"
- #include "double.h"
- #include "single.h"
- void
- fp_unpack_d(long *_s, unsigned long *_f1, unsigned long *_f0,
- long *_e, long *_c, void *val)
- {
- FP_DECL_D(X);
- __FP_UNPACK_RAW_2(D, X, val);
- _FP_UNPACK_CANONICAL(D, 2, X);
- *_s = X_s;
- *_f1 = X_f1;
- *_f0 = X_f0;
- *_e = X_e;
- *_c = X_c;
- }
- int
- fp_pack_d(void *val, long X_s, unsigned long X_f1,
- unsigned long X_f0, long X_e, long X_c)
- {
- int exc;
- exc = _FP_PACK_CANONICAL(D, 2, X);
- if (!exc || !__FPU_TRAP_P(exc))
- __FP_PACK_RAW_2(D, val, X);
- return exc;
- }
- int
- fp_pack_ds(void *val, long X_s, unsigned long X_f1,
- unsigned long X_f0, long X_e, long X_c)
- {
- FP_DECL_S(__X);
- int exc;
- FP_CONV(S, D, 1, 2, __X, X);
- exc = _FP_PACK_CANONICAL(S, 1, __X);
- if (!exc || !__FPU_TRAP_P(exc)) {
- _FP_UNPACK_CANONICAL(S, 1, __X);
- FP_CONV(D, S, 2, 1, X, __X);
- exc |= _FP_PACK_CANONICAL(D, 2, X);
- if (!exc || !__FPU_TRAP_P(exc))
- __FP_PACK_RAW_2(D, val, X);
- }
- return exc;
- }