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Annotation of 43BSDReno/lib/libc/vax/gen/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: (1) source distributions retain this entire copyright
                      7:  * notice and comment, and (2) distributions including binaries display
                      8:  * the following acknowledgement:  ``This product includes software
                      9:  * developed by the University of California, Berkeley and its contributors''
                     10:  * in the documentation or other materials provided with the distribution
                     11:  * and in all advertising materials mentioning features or use of this
                     12:  * software. Neither the name of the University nor the names of its
                     13:  * contributors may be used to endorse or promote products derived
                     14:  * from this software without specific prior written permission.
                     15:  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR
                     16:  * IMPLIED WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED
                     17:  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
                     18:  */
                     19: 
                     20: #if defined(LIBC_SCCS) && !defined(lint)
                     21:        .asciz "@(#)modf.s      5.5 (Berkeley) 6/1/90"
                     22: #endif /* LIBC_SCCS and not lint */
                     23: 
                     24: /*
                     25:  * double modf (value, iptr)
                     26:  * double value, *iptr;
                     27:  *
                     28:  * Modf returns the fractional part of "value",
                     29:  * and stores the integer part indirectly through "iptr".
                     30:  */
                     31: 
                     32: #include "DEFS.h"
                     33: 
                     34: ENTRY(modf, 0)
                     35:        emodd   4(ap),$0,$0f1.0,r2,r0
                     36:        jvs     1f                      # integer overflow
                     37:        cvtld   r2,*12(ap)
                     38:        ret
                     39: 1:
                     40:        subd3   r0,4(ap),*12(ap)
                     41:        ret

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