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[cln.git] / src / float / dfloat / misc / cl_DF_exponent.cc
1 // float_exponent().
2
3 // General includes.
4 #include "cl_sysdep.h"
5
6 // Specification.
7 #include "cln/dfloat.h"
8
9
10 // Implementation.
11
12 #include "cl_DF.h"
13
14 namespace cln {
15
16 MAYBE_INLINE
17 sintL float_exponent (const cl_DF& x)
18 {
19         var uintL uexp = DF_uexp(TheDfloat(x)->dfloat_value_semhi);
20         if (uexp==0) { return 0; }
21         return (sintL)(uexp - DF_exp_mid);
22 }
23
24 }  // namespace cln