f2clib.c File Reference

#include "f2c.h"
#include "math.h"

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Functions
integer	i_nint (real *x)
integer	pow_ii (integer *ap, integer *bp)
double	r_sign (real *a, real *b)

Function Documentation

i_nint()

integer i_nint

(

real *

x

)

Definition at line 80 of file f2clib.c.

{
return( (integer)((*x)>=0 ?
    floor(*x + .5) : -floor(.5 - *x)) );
}

Referenced by placea_(), voicin_(), and vparms_().

pow_ii()

integer pow_ii	(	integer *	ap,
		integer *	bp
	)

Definition at line 30 of file f2clib.c.

{
    integer pow, x, n;
    unsigned long u;
 
    x = *ap;
    n = *bp;
 
    if (n <= 0) {
        if (n == 0 || x == 1)
            return 1;
        if (x != -1)
            return x == 0 ? 0 : 1/x;
        n = -n;
        }
    u = n;
    for(pow = 1; ; )
        {
        if(u & 01)
            pow *= x;
        if(u >>= 1)
            x *= x;
        else
            break;
        }
    return(pow);
    }

Referenced by decode_(), and encode_().

r_sign()

double r_sign	(	real *	a,
		real *	b
	)

Definition at line 64 of file f2clib.c.

{
double x;
x = (*a >= 0 ? *a : - *a);
return( *b >= 0 ? x : -x);
}

References a, and b.

Referenced by onset_(), and vparms_().