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Annotation of 43BSD/usr.lib/libpc/EXPO.c, revision 1.1

1.1     ! root        1: /* Copyright (c) 1979 Regents of the University of California */
        !             2: 
        !             3: static char sccsid[] = "@(#)EXPO.c 1.2 3/7/81";
        !             4: 
        !             5: long
        !             6: EXPO(value)
        !             7: 
        !             8:        double  value;
        !             9: {
        !            10:        register int retval;
        !            11:        register char *cp;
        !            12:        char sign, buf[30];
        !            13:        extern char *index();
        !            14: 
        !            15:        if (value == 0.0)
        !            16:                return 0;
        !            17:        sprintf(buf, "%.1e", value);
        !            18:        cp = index(buf, 'e') + 1;
        !            19:        sign = *cp++;
        !            20:        retval = 0;
        !            21:        while (*cp)
        !            22:                retval = retval * 10 + *cp++ - '0';
        !            23:        return sign == '-' ? -retval : retval;
        !            24: }

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