projects / unix-history / blame
| Commit | Line | Data |
|---|---|---|
| 120ce78b KB |
1 | /*- |
| 2 | * Copyright (c) 1990 The Regents of the University of California. | |
| 3 | * All rights reserved. | |
| 4 | * | |
| 5 | * This code is derived from software contributed to Berkeley by | |
| 6 | * the Systems Programming Group of the University of Utah Computer | |
| 7 | * Science Department. | |
| 8 | * | |
| 9 | * %sccs.include.redist.c% | |
| 10 | */ | |
| 11 | ||
| 12 | #if defined(LIBC_SCCS) && !defined(lint) | |
| 13 | .asciz "@(#)modf.s 5.1 (Berkeley) %G%" | |
| 14 | #endif /* LIBC_SCCS and not lint */ | |
| 15 | ||
| 16 | #include "DEFS.h" | |
| 17 | ||
| 18 | /* | |
| 19 | * double modf(val, iptr) | |
| 20 | * returns: xxx and n (in *iptr) where val == n.xxx | |
| 21 | */ | |
| 22 | ENTRY(modf) | |
| 23 | fmoved sp@(4),fp0 | |
| 24 | movel sp@(12),a0 | |
| 25 | fintrzx fp0,fp1 | |
| 26 | fmoved fp1,a0@ | |
| 27 | fsubx fp1,fp0 | |
| 28 | fmoved fp0,sp@- | |
| 29 | movel sp@+,d0 | |
| 30 | movel sp@+,d1 | |
| 31 | rts |