92 lines
1.5 KiB
C
92 lines
1.5 KiB
C
/*
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$Log: f2clib.c,v $
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Revision 1.2 2004/05/05 13:25:38 rjongbloed
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Fixed clearly incorrect code (dived by zero) found with an MSVC warning
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Revision 1.1 2004/05/04 11:16:42 csoutheren
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Initial version
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Revision 1.3 2004/02/17 09:21:45 csoutheren
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Fix for GM bug 134591
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Revision 1.2 2002/02/15 03:57:55 yurik
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Warnings removed during compilation, patch courtesy of Jehan Bing, jehan@bravobrava.com
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Revision 1.1 2000/06/05 04:45:12 robertj
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Added LPC-10 2400bps codec
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* Revision 1.1 1996/08/19 22:32:10 jaf
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* Initial revision
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*
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*/
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/*
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* f2clib.c
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*
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* SCCS ID: @(#)f2clib.c 1.2 96/05/19
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*/
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#include "f2c.h"
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#ifdef KR_headers
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integer pow_ii(ap, bp) integer *ap, *bp;
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#else
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integer pow_ii(integer *ap, integer *bp)
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#endif
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{
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integer pow, x, n;
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unsigned long u;
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x = *ap;
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n = *bp;
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if (n <= 0) {
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if (n == 0 || x == 1)
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return 1;
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if (x != -1)
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return x != 0 ? 1/x : 0;
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n = -n;
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}
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u = n;
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for(pow = 1; ; )
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{
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if(u & 01)
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pow *= x;
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if(u >>= 1)
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x *= x;
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else
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break;
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}
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return(pow);
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}
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#ifdef KR_headers
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double r_sign(a,b) real *a, *b;
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#else
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double r_sign(real *a, real *b)
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#endif
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{
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double x;
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x = (*a >= 0 ? *a : - *a);
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return( *b >= 0 ? x : -x);
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}
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#ifdef KR_headers
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double floor();
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integer i_nint(x) real *x;
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#else
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#undef abs
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#include "math.h"
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integer i_nint(real *x)
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#endif
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{
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return (integer)( (*x)>=0 ?
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floor(*x + .5) : -(floor(.5 - *x)) );
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}
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