/cln-1.3.2/src/float/lfloat/elem/cl_LF_RA_div.cc

 1// cl_LF_RA_div().
 2
 3// General includes.
 4#include "base/cl_sysdep.h"
 5
 6// Specification.
 7#include "float/lfloat/cl_LF.h"
 8
 9
10// Implementation.
11
12#include "cln/lfloat.h"
13#include "cln/rational.h"
14#include "rational/cl_RA.h"
15
16namespace cln {
17
18const cl_LF cl_LF_RA_div (const cl_LF& x, const cl_RA& y)
19{
20// Method:
21// Write y = u/v. Return (x*v)/u.
22	if (integerp(y)) {
23		DeclareType(cl_I,y);
24		return cl_LF_I_div(x,y);
25	} else {
26		DeclareType(cl_RT,y);
27		var const cl_I& u = TheRatio(y)->numerator; // u /= 0
28		var const cl_I& v = TheRatio(y)->denominator; // v /= 0
29		return cl_LF_I_div(The(cl_LF)(cl_LF_I_mul(x,v)),u);
30	}
31}
32
33}  // namespace cln