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Michael Black
OpenXG UE
Commits
321468f9
Commit
321468f9
authored
Sep 11, 2018
by
Raymond Knopp
Browse files
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decoder_list_t structure for in-place computations
parent
12c888f9
Changes
4
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4 changed files
with
274 additions
and
259 deletions
+274
-259
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
+128
-113
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
openair1/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
+83
-86
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
+32
-18
openair1/PHY/CODING/nrPolar_tools/nr_polar_matrix_and_array.c
...air1/PHY/CODING/nrPolar_tools/nr_polar_matrix_and_array.c
+31
-42
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openair1/PHY/CODING/nrPolar_tools/nr_polar_decoder.c
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321468f9
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openair1/PHY/CODING/nrPolar_tools/nr_polar_decoding_tools.c
View file @
321468f9
...
...
@@ -22,59 +22,85 @@
#include "PHY/CODING/nrPolar_tools/nr_polar_defs.h"
//#define SHOWCOMP 1
void
updateLLR
(
double
***
llr
,
uint8_t
**
llrU
,
uint8_t
***
bit
,
uint8_t
**
bitU
,
inline
void
computeLLR
(
double
**
llr
,
uint16_t
row
,
uint16_t
col
,
uint16_t
offset
,
uint8_t
approximation
)
__attribute__
((
always_inline
));
inline
void
computeLLR
(
double
**
llr
,
uint16_t
row
,
uint16_t
col
,
uint16_t
offset
,
uint8_t
approximation
)
{
double
a
;
double
b
;
double
absA
,
absB
;
#ifdef SHOWCOMP
printf
(
"computeLLR (%d,%d,%d,%d)
\n
"
,
row
,
col
,
offset
,
i
);
#endif
a
=
llr
[
col
+
1
][
row
];
b
=
llr
[
col
+
1
][
row
+
offset
];
if
(
approximation
)
{
//eq. (9)
absA
=
fabs
(
a
);
absB
=
fabs
(
b
);
llr
[
col
][
row
]
=
copysign
(
1
.
0
,
a
)
*
copysign
(
1
.
0
,
b
)
*
fmin
(
absA
,
absB
);
}
else
{
//eq. (8a)
llr
[
col
][
row
]
=
log
((
exp
(
a
+
b
)
+
1
)
/
(
exp
(
a
)
+
exp
(
b
)));
}
}
void
updateLLR
(
decoder_list_t
**
dlist
,
uint8_t
**
llrU
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
,
uint8_t
approximation
)
{
uint16_t
offset
=
(
xlen
/
(
1
<<
(
ylen
-
col
-
1
)));
if
((
(
row
)
%
(
2
*
offset
)
)
>=
offset
)
{
if
(
bitU
[
row
-
offset
][
col
]
==
0
)
updateBit
(
bi
t
,
bitU
,
listSize
,
(
row
-
offset
),
col
,
xlen
,
ylen
);
if
(
llrU
[
row
-
offset
][
col
+
1
]
==
0
)
updateLLR
(
llr
,
llrU
,
bit
,
bitU
,
listSize
,
(
row
-
offset
),
(
col
+
1
),
xlen
,
ylen
,
approximation
);
if
(
llrU
[
row
][
col
+
1
]
==
0
)
updateLLR
(
llr
,
llrU
,
bit
,
bitU
,
listSize
,
row
,
(
col
+
1
),
xlen
,
ylen
,
approximation
);
if
(
bitU
[
row
-
offset
][
col
]
==
0
)
updateBit
(
dlis
t
,
bitU
,
listSize
,
(
row
-
offset
),
col
,
xlen
,
ylen
);
if
(
llrU
[
row
-
offset
][
col
+
1
]
==
0
)
updateLLR
(
dlist
,
llrU
,
bitU
,
listSize
,
(
row
-
offset
),
(
col
+
1
),
xlen
,
ylen
,
approximation
);
if
(
llrU
[
row
][
col
+
1
]
==
0
)
updateLLR
(
dlist
,
llrU
,
bitU
,
listSize
,
row
,
(
col
+
1
),
xlen
,
ylen
,
approximation
);
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
#ifdef SHOWCOMP
printf
(
"updating LLR (%d,%d,%d) (bit %d,%d,%d, llr0 %d,%d,%d, llr1 %d,%d,%d
\n
"
,
row
,
col
,
i
,
row
-
offset
,
col
,
i
,
row
-
offset
,
col
+
1
,
i
,
row
,
col
+
1
,
i
);
row
-
offset
,
col
,
i
,
row
-
offset
,
col
+
1
,
i
,
row
,
col
+
1
,
i
);
#endif
llr
[
i
][
col
][
row
]
=
(
pow
((
-
1
),
bit
[
i
][
col
][
row
-
offset
])
*
llr
[
i
][
col
+
1
][
row
-
offset
])
+
llr
[
i
]
[
col
+
1
][
row
];
dlist
[
i
]
->
llr
[
col
][
row
]
=
(
pow
((
-
1
),
dlist
[
i
]
->
bit
[
col
][
row
-
offset
])
*
dlist
[
i
]
->
llr
[
col
+
1
][
row
-
offset
])
+
dlist
[
i
]
->
llr
[
col
+
1
][
row
];
}
}
else
{
if
(
llrU
[
row
][
col
+
1
]
==
0
)
updateLLR
(
llr
,
llrU
,
bit
,
bitU
,
listSize
,
row
,
(
col
+
1
),
xlen
,
ylen
,
approximation
);
if
(
llrU
[
row
+
offset
][
col
+
1
]
==
0
)
updateLLR
(
llr
,
llrU
,
bit
,
bitU
,
listSize
,
(
row
+
offset
),
(
col
+
1
),
xlen
,
ylen
,
approximation
);
computeLLR
(
llr
,
row
,
col
,
listSize
,
offset
,
approximation
);
if
(
llrU
[
row
][
col
+
1
]
==
0
)
updateLLR
(
dlist
,
llrU
,
bitU
,
listSize
,
row
,
(
col
+
1
),
xlen
,
ylen
,
approximation
);
if
(
llrU
[
row
+
offset
][
col
+
1
]
==
0
)
updateLLR
(
dlist
,
llrU
,
bitU
,
listSize
,
(
row
+
offset
),
(
col
+
1
),
xlen
,
ylen
,
approximation
);
for
(
int
i
=
0
;
i
<
listSize
;
i
++
)
computeLLR
(
dlist
[
i
]
->
llr
,
row
,
col
,
offset
,
approximation
);
}
llrU
[
row
][
col
]
=
1
;
}
void
updateBit
(
uint8_t
***
bi
t
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
)
{
uint16_t
offset
=
(
xlen
/
(
pow
(
2
,(
ylen
-
col
)))
);
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
if
((
(
row
)
%
(
2
*
offset
)
)
>=
offset
)
{
if
(
bitU
[
row
][
col
-
1
]
==
0
)
updateBit
(
bi
t
,
bitU
,
listSize
,
row
,
(
col
-
1
),
xlen
,
ylen
);
bit
[
i
][
col
][
row
]
=
bit
[
i
]
[
col
-
1
][
row
];
void
updateBit
(
decoder_list_t
**
dlis
t
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
)
{
uint16_t
offset
=
(
xlen
/
(
pow
(
2
,(
ylen
-
col
)))
);
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
if
((
(
row
)
%
(
2
*
offset
)
)
>=
offset
)
{
if
(
bitU
[
row
][
col
-
1
]
==
0
)
updateBit
(
dlis
t
,
bitU
,
listSize
,
row
,
(
col
-
1
),
xlen
,
ylen
);
dlist
[
i
]
->
bit
[
col
][
row
]
=
dlist
[
i
]
->
bit
[
col
-
1
][
row
];
#ifdef SHOWCOMP
printf
(
"updating bit (%d,%d,%d) from (%d,%d,%d)
\n
"
,
row
,
col
,
i
,
row
,
col
-
1
,
i
);
printf
(
"updating bit (%d,%d,%d) from (%d,%d,%d)
\n
"
,
row
,
col
,
i
,
row
,
col
-
1
,
i
);
#endif
}
else
{
if
(
bitU
[
row
][
col
-
1
]
==
0
)
updateBit
(
bi
t
,
bitU
,
listSize
,
row
,
(
col
-
1
),
xlen
,
ylen
);
if
(
bitU
[
row
+
offset
][
col
-
1
]
==
0
)
updateBit
(
bi
t
,
bitU
,
listSize
,
(
row
+
offset
),
(
col
-
1
),
xlen
,
ylen
);
bit
[
i
][
col
][
row
]
=
(
(
bit
[
i
][
col
-
1
][
row
]
+
bit
[
i
]
[
col
-
1
][
row
+
offset
])
%
2
);
}
else
{
if
(
bitU
[
row
][
col
-
1
]
==
0
)
updateBit
(
dlis
t
,
bitU
,
listSize
,
row
,
(
col
-
1
),
xlen
,
ylen
);
if
(
bitU
[
row
+
offset
][
col
-
1
]
==
0
)
updateBit
(
dlis
t
,
bitU
,
listSize
,
(
row
+
offset
),
(
col
-
1
),
xlen
,
ylen
);
dlist
[
i
]
->
bit
[
col
][
row
]
=
(
(
dlist
[
i
]
->
bit
[
col
-
1
][
row
]
+
dlist
[
i
]
->
bit
[
col
-
1
][
row
+
offset
])
%
2
);
#ifdef SHOWCOMP
printf
(
"updating bit (%d,%d,%d) from (%d,%d,%d)+(%d,%d,%d)
\n
"
,
row
,
col
,
i
,
row
,
col
-
1
,
i
,
row
+
offset
,
col
-
1
,
i
);
printf
(
"updating bit (%d,%d,%d) from (%d,%d,%d)+(%d,%d,%d)
\n
"
,
row
,
col
,
i
,
row
,
col
-
1
,
i
,
row
+
offset
,
col
-
1
,
i
);
#endif
}
}
bitU
[
row
][
col
]
=
1
;
}
}
bitU
[
row
][
col
]
=
1
;
}
void
updatePathMetric
(
d
ouble
*
pathMetric
,
double
***
llr
,
uint8_t
listSize
,
uint8_t
bitValue
,
void
updatePathMetric
(
d
ecoder_list_t
**
dlist
,
uint8_t
listSize
,
uint8_t
bitValue
,
uint16_t
row
,
uint8_t
approximation
)
{
#ifdef SHOWCOMP
...
...
@@ -84,11 +110,11 @@ void updatePathMetric(double *pathMetric, double ***llr, uint8_t listSize, uint8
if
(
approximation
)
{
//eq. (12)
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
if
((
2
*
bitValue
)
!=
(
1
-
copysign
(
1
.
0
,
llr
[
i
][
0
][
row
])
))
pathMetric
[
i
]
+=
fabs
(
llr
[
i
]
[
0
][
row
]);
if
((
2
*
bitValue
)
!=
(
1
-
copysign
(
1
.
0
,
dlist
[
i
]
->
llr
[
0
][
row
])
))
dlist
[
i
]
->
pathMetric
+=
fabs
(
dlist
[
i
]
->
llr
[
0
][
row
]);
}
}
else
{
//eq. (11b)
int8_t
multiplier
=
(
2
*
bitValue
)
-
1
;
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
pathMetric
[
i
]
+=
log
(
1
+
exp
(
multiplier
*
llr
[
i
]
[
0
][
row
])
)
;
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
dlist
[
i
]
->
pathMetric
+=
log
(
1
+
exp
(
multiplier
*
dlist
[
i
]
->
llr
[
0
][
row
])
)
;
}
}
...
...
@@ -124,13 +150,13 @@ void updatePathMetric2(double *pathMetric, double ***llr, uint8_t listSize, uint
}
*/
void
updatePathMetric2
(
double
*
pathMetric
,
double
***
llr
,
uint8_t
listSize
,
uint16_t
row
,
uint8_t
appr
)
{
double
*
pm2
=&
pathMetric
[
listSize
];
memcpy
((
void
*
)
pm2
,(
void
*
)
pathMetric
,
listSize
*
sizeof
(
double
*
));
void
updatePathMetric2
(
decoder_list_t
**
dlist
,
uint8_t
listSize
,
uint16_t
row
,
uint8_t
appr
)
{
int
i
;
for
(
i
=
0
;
i
<
listSize
;
i
++
)
dlist
[
i
+
listSize
]
->
pathMetric
=
dlist
[
i
]
->
pathMetric
;
decoder_list_t
**
dlist2
=
&
dlist
[
listSize
];
#ifdef SHOWCOMP
printf
(
"updating path_metric from information bit (%d,%d)
\n
"
,
row
,
0
);
...
...
@@ -138,65 +164,36 @@ void updatePathMetric2(double *pathMetric, double ***llr, uint8_t listSize, uint
if
(
appr
)
{
//eq. (12)
for
(
i
=
0
;
i
<
listSize
;
i
++
)
{
// bitValue=0
if
(
llr
[
i
][
0
][
row
]
<
0
)
pathMetric
[
i
]
-=
llr
[
i
]
[
0
][
row
];
if
(
dlist
[
i
]
->
llr
[
0
][
row
]
<
0
)
dlist
[
i
]
->
pathMetric
-=
dlist
[
i
]
->
llr
[
0
][
row
];
// bitValue=1
else
pm2
[
i
]
+=
llr
[
i
]
[
0
][
row
];
else
dlist2
[
i
]
->
pathMetric
+=
dlist
[
i
]
->
llr
[
0
][
row
];
}
}
else
{
//eq. (11b)
for
(
i
=
0
;
i
<
listSize
;
i
++
)
{
// bitValue=0
pathMetric
[
i
]
+=
log
(
1
+
exp
(
-
llr
[
i
]
[
0
][
row
]));
dlist
[
i
]
->
pathMetric
+=
log
(
1
+
exp
(
-
dlist
[
i
]
->
llr
[
0
][
row
]));
// bitValue=1
pm2
[
i
]
+=
log
(
1
+
exp
(
llr
[
i
]
[
0
][
row
]));
dlist2
[
i
]
->
pathMetric
+=
log
(
1
+
exp
(
dlist
[
i
]
->
llr
[
0
][
row
]));
}
}
}
inline
void
computeLLR
(
double
***
llr
,
uint16_t
row
,
uint16_t
col
,
uint8_t
listSize
,
uint16_t
offset
,
uint8_t
approximation
)
__attribute__
((
always_inline
));
inline
void
computeLLR
(
double
***
llr
,
uint16_t
row
,
uint16_t
col
,
uint8_t
listSize
,
uint16_t
offset
,
uint8_t
approximation
)
{
double
a
;
double
b
;
double
absA
,
absB
;
#ifdef SHOWCOMP
printf
(
"computeLLR (%d,%d,%d,%d)
\n
"
,
row
,
col
,
offset
,
i
);
#endif
if
(
approximation
)
{
//eq. (9)
for
(
int
i
=
0
;
i
<
listSize
;
i
++
)
{
a
=
llr
[
i
][
col
+
1
][
row
];
b
=
llr
[
i
][
col
+
1
][
row
+
offset
];
absA
=
fabs
(
a
);
absB
=
fabs
(
b
);
llr
[
i
][
col
][
row
]
=
copysign
(
1
.
0
,
a
)
*
copysign
(
1
.
0
,
b
)
*
fmin
(
absA
,
absB
);
}
}
else
{
//eq. (8a)
for
(
int
i
=
0
;
i
<
listSize
;
i
++
)
{
a
=
llr
[
i
][
col
+
1
][
row
];
b
=
llr
[
i
][
col
+
1
][
row
+
offset
];
llr
[
i
][
col
][
row
]
=
log
((
exp
(
a
+
b
)
+
1
)
/
(
exp
(
a
)
+
exp
(
b
)));
}
}
}
void
updateCrcChecksum
(
uint8_t
**
crcChecksum
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
)
{
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
for
(
uint8_t
j
=
0
;
j
<
len
;
j
++
)
{
crcChecksum
[
j
][
i
]
=
(
(
crcChecksum
[
j
][
i
]
+
crcGen
[
i2
][
j
])
%
2
);
}
}
void
updateCrcChecksum
(
decoder_list_t
**
dlist
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
)
{
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
for
(
uint8_t
j
=
0
;
j
<
len
;
j
++
)
{
dlist
[
i
]
->
crcChecksum
[
j
]
=
(
(
dlist
[
i
]
->
crcChecksum
[
j
]
+
crcGen
[
i2
][
j
])
%
2
);
}
}
}
void
updateCrcChecksum2
(
uint8_t
**
crcChecksum
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
)
{
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
for
(
uint8_t
j
=
0
;
j
<
len
;
j
++
)
{
crcChecksum
[
j
][
i
+
listSize
]
=
(
(
crcChecksum
[
j
][
i
]
+
crcGen
[
i2
][
j
])
%
2
);
}
}
void
updateCrcChecksum2
(
decoder_list_t
**
dlist
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
)
{
for
(
uint8_t
i
=
0
;
i
<
listSize
;
i
++
)
{
for
(
uint8_t
j
=
0
;
j
<
len
;
j
++
)
{
dlist
[
i
+
listSize
]
->
crcChecksum
[
j
]
=
(
(
dlist
[
i
]
->
crcChecksum
[
j
]
+
crcGen
[
i2
][
j
])
%
2
);
}
}
}
openair1/PHY/CODING/nrPolar_tools/nr_polar_defs.h
View file @
321468f9
...
...
@@ -124,27 +124,41 @@ void nr_matrix_multiplication_uint8_t_1D_uint8_t_2D(uint8_t *matrix1, uint8_t **
uint8_t
***
nr_alloc_uint8_t_3D_array
(
uint16_t
xlen
,
uint16_t
ylen
,
uint16_t
zlen
);
uint8_t
**
nr_alloc_uint8_t_2D_array
(
uint16_t
xlen
,
uint16_t
ylen
);
double
**
*
nr_alloc_double_3D_array
(
uint16_t
xlen
,
uint16_t
ylen
,
uint16_t
z
len
);
double
**
nr_alloc_double_2D_array
(
uint16_t
xlen
,
uint16_t
y
len
);
void
nr_free_uint8_t_3D_array
(
uint8_t
***
input
,
uint16_t
xlen
,
uint16_t
ylen
);
void
nr_free_uint8_t_2D_array
(
uint8_t
**
input
,
uint16_t
xlen
);
void
nr_free_double_3D_array
(
double
***
input
,
uint16_t
xlen
,
uint16_t
ylen
);
void
updateLLR
(
double
***
llr
,
uint8_t
**
llrU
,
uint8_t
***
bit
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
,
uint8_t
approximation
);
void
updateBit
(
uint8_t
***
bit
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
);
void
updatePathMetric
(
double
*
pathMetric
,
double
***
llr
,
uint8_t
listSize
,
uint8_t
bitValue
,
uint16_t
row
,
uint8_t
approximation
);
void
updatePathMetric2
(
double
*
pathMetric
,
double
***
llr
,
uint8_t
listSize
,
uint16_t
row
,
uint8_t
approximation
);
void
computeLLR
(
double
***
llr
,
uint16_t
row
,
uint16_t
col
,
uint8_t
i
,
uint16_t
offset
,
uint8_t
approximation
);
void
updateCrcChecksum
(
uint8_t
**
crcChecksum
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
);
void
updateCrcChecksum2
(
uint8_t
**
crcChecksum
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
);
void
nr_free_double_2D_array
(
double
**
input
,
uint16_t
xlen
);
typedef
struct
decoder_list_s
{
uint8_t
**
bit
;
double
**
llr
;
uint8_t
*
crcChecksum
;
uint8_t
crcState
;
double
pathMetric
;
}
decoder_list_t
;
void
updateLLR
(
decoder_list_t
**
dlist
,
uint8_t
**
llrU
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
,
uint8_t
approximation
);
void
updateBit
(
decoder_list_t
**
dlist
,
uint8_t
**
bitU
,
uint8_t
listSize
,
uint16_t
row
,
uint16_t
col
,
uint16_t
xlen
,
uint8_t
ylen
);
void
updatePathMetric
(
decoder_list_t
**
dlist
,
uint8_t
listSize
,
uint8_t
bitValue
,
uint16_t
row
,
uint8_t
approximation
);
void
updatePathMetric2
(
decoder_list_t
**
dlist
,
uint8_t
listSize
,
uint16_t
row
,
uint8_t
appr
);
void
updateCrcChecksum
(
decoder_list_t
**
dlist
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
);
void
updateCrcChecksum2
(
decoder_list_t
**
dlist
,
uint8_t
**
crcGen
,
uint8_t
listSize
,
uint32_t
i2
,
uint8_t
len
);
void
nr_sort_asc_double_1D_array_ind
(
double
*
matrix
,
uint8_t
*
ind
,
uint8_t
len
);
uint8_t
**
crc24c_generator_matrix
(
uint16_t
payloadSizeBits
);
...
...
openair1/PHY/CODING/nrPolar_tools/nr_polar_matrix_and_array.c
View file @
321468f9
...
...
@@ -66,38 +66,30 @@ uint8_t ***nr_alloc_uint8_t_3D_array(uint16_t xlen, uint16_t ylen, uint16_t zlen
return
output
;
}
double
***
nr_alloc_double_3D_array
(
uint16_t
xlen
,
uint16_t
ylen
,
uint16_t
zlen
)
{
double
***
output
;
int
i
,
j
;
if
((
output
=
malloc
(
xlen
*
sizeof
(
*
output
)))
==
NULL
)
{
perror
(
"[nr_alloc_double_3D_array] Problem at 1D allocation"
);
return
NULL
;
}
for
(
i
=
0
;
i
<
xlen
;
i
++
)
output
[
i
]
=
NULL
;
for
(
i
=
0
;
i
<
xlen
;
i
++
)
if
((
output
[
i
]
=
malloc
(
ylen
*
sizeof
*
output
[
i
]))
==
NULL
)
{
perror
(
"[nr_alloc_double_3D_array] Problem at 2D allocation"
);
nr_free_double_3D_array
(
output
,
xlen
,
ylen
);
return
NULL
;
}
for
(
i
=
0
;
i
<
xlen
;
i
++
)
for
(
j
=
0
;
j
<
ylen
;
j
++
)
output
[
i
][
j
]
=
NULL
;
for
(
i
=
0
;
i
<
xlen
;
i
++
)
for
(
j
=
0
;
j
<
ylen
;
j
++
)
if
((
output
[
i
][
j
]
=
malloc
(
zlen
*
sizeof
*
output
[
i
][
j
]))
==
NULL
)
{
perror
(
"[nr_alloc_double_3D_array] Problem at 3D allocation"
);
nr_free_double_3D_array
(
output
,
xlen
,
ylen
);
return
NULL
;
}
return
output
;
double
**
nr_alloc_double_2D_array
(
uint16_t
xlen
,
uint16_t
ylen
)
{
double
**
output
;
int
i
,
j
;
if
((
output
=
malloc
(
xlen
*
sizeof
(
*
output
)))
==
NULL
)
{
perror
(
"[nr_alloc_double_3D_array] Problem at 1D allocation"
);
return
NULL
;
}
for
(
i
=
0
;
i
<
xlen
;
i
++
)
output
[
i
]
=
NULL
;
for
(
i
=
0
;
i
<
xlen
;
i
++
)
if
((
output
[
i
]
=
malloc
(
ylen
*
sizeof
*
output
[
i
]))
==
NULL
)
{
perror
(
"[nr_alloc_double_2D_array] Problem at 2D allocation"
);
nr_free_double_2D_array
(
output
,
xlen
);
return
NULL
;
}
for
(
i
=
0
;
i
<
xlen
;
i
++
)
for
(
j
=
0
;
j
<
ylen
;
j
++
)
output
[
i
][
j
]
=
0
;
return
output
;
}
uint8_t
**
nr_alloc_uint8_t_2D_array
(
uint16_t
xlen
,
uint16_t
ylen
)
{
...
...
@@ -142,16 +134,13 @@ void nr_free_uint8_t_2D_array(uint8_t **input, uint16_t xlen) {
free
(
input
);
}
void
nr_free_double_3D_array
(
double
***
input
,
uint16_t
xlen
,
uint16_t
ylen
)
{
int
i
,
j
;
for
(
i
=
0
;
i
<
xlen
;
i
++
)
{
for
(
j
=
0
;
j
<
ylen
;
j
++
)
{
free
(
input
[
i
][
j
]);
}
free
(
input
[
i
]);
}
free
(
input
);
void
nr_free_double_2D_array
(
double
**
input
,
uint16_t
xlen
)
{
int
i
;
for
(
i
=
0
;
i
<
xlen
;
i
++
)
{
free
(
input
[
i
]);
}
free
(
input
);
}
// Modified Bubble Sort.
...
...
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