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Annotation of 43BSDTahoe/lib/libc/gen/gen.vax/modf.s, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1983 Regents of the University of California.
                      3:  * All rights reserved.
                      4:  *
                      5:  * Redistribution and use in source and binary forms are permitted
                      6:  * provided that the above copyright notice and this paragraph are
                      7:  * duplicated in all such forms and that any documentation,
                      8:  * advertising materials, and other materials related to such
                      9:  * distribution and use acknowledge that the software was developed
                     10:  * by the University of California, Berkeley.  The name of the
                     11:  * University may not be used to endorse or promote products derived
                     12:  * from this software without specific prior written permission.
                     13:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     14:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     15:  * WARRANTIES OF MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     16:  */
                     17: 
                     18: #if defined(LIBC_SCCS) && !defined(lint)
                     19:        .asciz "@(#)modf.s      5.4 (Berkeley) 6/27/88"
                     20: #endif /* LIBC_SCCS and not lint */
                     21: 
                     22: /*
                     23:  * double modf (value, iptr)
                     24:  * double value, *iptr;
                     25:  *
                     26:  * Modf returns the fractional part of "value",
                     27:  * and stores the integer part indirectly through "iptr".
                     28:  */
                     29: 
                     30: #include "DEFS.h"
                     31: 
                     32: ENTRY(modf, 0)
                     33:        emodd   4(ap),$0,$0f1.0,r2,r0
                     34:        jvs     1f                      # integer overflow
                     35:        cvtld   r2,*12(ap)
                     36:        ret
                     37: 1:
                     38:        subd3   r0,4(ap),*12(ap)
                     39:        ret

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