23 static const volatile float vone = 1, vzero = 0;
26 two   =  2.0000000000e+00, /* 0x40000000 */
27 one   =  1.0000000000e+00; /* 0x3F800000 */
42 	ix = 0x7fffffff&hx;  in jnf()
44 	if(ix>0x7f800000) return x+x;  in jnf()
45 	if(n<0){  in jnf()
48 		hx ^= 0x80000000;  in jnf()
50 	if(n==0) return(j0f(x));  in jnf()
52 	sgn = (n&1)&(hx>>31);	/* even n -- 0, odd n -- sign(x) */  in jnf()
54 	if(ix==0||ix>=0x7f800000) 	/* if x is 0 or inf */  in jnf()
66 	    if(ix<0x30800000) {	/* x < 2**-29 */  in jnf()
103 		 * Q(0) = w, Q(1) = w(w+h) - 1,  in jnf()
136 	    	    for(i=n-1,di=(float)(i+i);i>0;i--){  in jnf()
144 	    	    for(i=n-1,di=(float)(i+i);i>0;i--){  in jnf()
177 	ix = 0x7fffffff&hx;  in ynf()
178 	if(ix>0x7f800000) return x+x;  in ynf()
179 	if(ix==0) return -one/vzero;  in ynf()
180 	if(hx<0) return vzero/vzero;  in ynf()
182 	if(n<0){  in ynf()
186 	if(n==0) return(y0f(x));  in ynf()
188 	if(ix==0x7f800000) return zero;  in ynf()
194 	for(i=1;i<n&&ib!=0xff800000;i++){  in ynf()
200 	if(sign>0) return b; else return -b;  in ynf()