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itpp
fixed
fix_functions.cpp
Go to the documentation of this file.
1
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#include <
itpp/fixed/fix_functions.h
>
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namespace
itpp
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{
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vec
to_vec
(
const
fixvec
&v)
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{
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vec temp(v.
length
());
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for
(
int
i = 0; i < v.
length
(); i++) {
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temp(i) = v(i).unfix();
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}
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return
temp;
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}
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cvec
to_cvec
(
const
cfixvec
&v)
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{
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cvec temp(v.
length
());
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for
(
int
i = 0; i < v.
length
(); i++) {
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temp(i) = v(i).unfix();
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}
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return
temp;
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}
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mat
to_mat
(
const
fixmat
&m)
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{
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mat temp(m.
rows
(), m.
cols
());
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for
(
int
i = 0; i < m.
rows
(); i++) {
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for
(
int
j = 0; j < m.
cols
(); j++) {
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temp(i, j) = m(i, j).unfix();
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}
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}
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return
temp;
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}
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cmat
to_cmat
(
const
cfixmat
&m)
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{
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cmat temp(m.
rows
(), m.
cols
());
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for
(
int
i = 0; i < m.
rows
(); i++) {
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for
(
int
j = 0; j < m.
cols
(); j++) {
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temp(i, j) = m(i, j).unfix();
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}
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}
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return
temp;
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}
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Fix
abs
(
const
Fix
&x)
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{
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fixrep
tmp = x.
get_re
();
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return
Fix
((tmp >= 0 ? tmp : -tmp),
// Risk for overflow!
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x.
get_shift
(),
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0, 0);
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}
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Fix
real
(
const
CFix
&x)
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{
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return
Fix
(x.
get_re
(),
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x.
get_shift
(),
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0, 0);
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}
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Fix
imag
(
const
CFix
&x)
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{
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return
Fix
(x.
get_im
(),
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x.
get_shift
(),
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0, 0);
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}
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CFix
conj
(
const
CFix
&x)
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{
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return
CFix
(x.
get_re
(),
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-x.
get_im
(),
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x.
get_shift
(),
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0, 0);
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}
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}
// namespace itpp
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