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Handled SIZE == 0 edge cases #501

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Jan 22, 2022
Merged

Handled SIZE == 0 edge cases #501

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39 changes: 32 additions & 7 deletions include/etl/bitset.h
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Original file line number Diff line number Diff line change
Expand Up @@ -260,7 +260,10 @@ namespace etl
size_t index;
element_t mask;

if (SIZE == 1)
if (SIZE == 0) {
return false;
}
else if (SIZE == 1)
{
index = 0;
mask = element_t(1) << position;
Expand Down Expand Up @@ -297,7 +300,10 @@ namespace etl
size_t index;
element_t bit;

if (SIZE == 1)
if (SIZE == 0) {
return *this;
}
else if (SIZE == 1)
{
index = 0;
bit = element_t(1) << position;
Expand Down Expand Up @@ -453,7 +459,11 @@ namespace etl
size_t index;
element_t bit;

if (SIZE == 1)
if (SIZE == 0)
{
return *this;
}
else if (SIZE == 1)
{
index = 0;
bit = element_t(1) << position;
Expand Down Expand Up @@ -494,7 +504,12 @@ namespace etl
size_t index;
element_t bit;

if (SIZE == 1)

if (SIZE == 0)
{
return *this;
}
else if (SIZE == 1)
{
index = 0;
bit = element_t(1) << position;
Expand Down Expand Up @@ -580,7 +595,11 @@ namespace etl
size_t index;
size_t bit;

if (SIZE == 1)
if (SIZE == 0)
{
return ibitset::npos;
}
else if (SIZE == 1)
{
index = 0;
bit = position;
Expand Down Expand Up @@ -692,7 +711,10 @@ namespace etl
//*************************************************************************
ibitset& operator<<=(size_t shift)
{
if (SIZE == 1)
if (SIZE == 0) {
return *this;
}
else if (SIZE == 1)
{
pdata[0] <<= shift;
}
Expand Down Expand Up @@ -720,7 +742,10 @@ namespace etl
//*************************************************************************
ibitset& operator>>=(size_t shift)
{
if (SIZE == 1)
if (SIZE == 0) {
return *this;
}
else if (SIZE == 1)
{
pdata[0] >>= shift;
}
Expand Down