StackOverflow Questions for Tag: long-double

khteh

Reputation: 3976

c++ long double (128-bit) precision

x86-64precisionc++23long-double128-bit

Score: 1

Answers: 1

Dumbled0re

Reputation: 329

g++ gives wrong answers : float128 aka long double : cmath

g++cmathlong-double

Score: 2

Answers: 0

Huuulk99

Reputation: 19

How can 12-bytes long double fit in 64 bits register?

memoryx86cpu-registersx87long-double

Score: 0

Answers: 1

Bill the Lizard

Reputation: 405995

What is the precision of long double in C++?

c++precisionlong-double

Score: 30

Answers: 3

Damon

Reputation: 70206

long double (GCC specific) and __float128

gccx86long-doubleextended-precisionquadruple-precision

Score: 44

Answers: 4

unixman83

Reputation: 9943

Performance implications of long double. Why does C choose 64-bits instead of the hardware's 80-bit for its default?

performancevisual-c++x86floating-pointlong-double

Score: 7

Answers: 3

c00000fd

Reputation: 22307

Does VS C++ compiler handle 80-bit floating point numbers, or long double?

c++visual-studio-2022long-double

Score: 0

Answers: 0

Greeshma

Reputation: 47

How does 'long double' occupy 16 bytes / 128 bits of storage when my CPU (X64 ISA)?

cx86-64abilong-doublelong-long

Score: 1

Answers: 4

CppLearner

Reputation: 17040

long double vs double

c++floating-pointlong-double

Score: 86

Answers: 4

Don

Reputation: 292

can't print correctly a long double in C

cmingwlong-double

Score: 6

Answers: 1

Dawood Ahmed

Reputation: 1

Values getting Overflowed while converting Bit into TB

cwindowsoverflowbitlong-double

Score: 0

Answers: 0

Vinayak Deshmukh

Reputation: 379

Need large integers and floats. Trouble with long long int and long double

cgcclong-integerlong-doublelong-long

Score: 4

Answers: 1

Vinayak Deshmukh

Reputation: 379

Cant recognise long long , long double in MinGW on Code::Blocks

gcctypescodeblockslong-doubleunsigned-long-long-int

Score: 0

Answers: 1

Kenneth Clark

Reputation: 203

Are long doubles broken using MinGW-w64?

cprintfx86-64mingw-w64long-double

Score: 10

Answers: 0

Eduardo J. Sanchez

Reputation: 776

Is long double in C++ an implementation of IEEE's binary128?

c++11floating-pointdoubleieee-754long-double

Score: 7

Answers: 2

Louis-Amand

Reputation: 198

Cholesky with floats 128 (Python)

python-3.xnumpylong-double

Score: 0

Answers: 1

Abhinav Kumar

Reputation: 1682

How can you set data type of #define to long double?

cc-preprocessorlong-double

Score: 0

Answers: 3

johjs

Reputation: 91

gcc13: long double has almost the same precision of libquadmath; are they both 80-bit float implementations?

gccprecisionlong-doublequadruple-precision

Score: 0

Answers: 0

Shawn McAdam

Reputation: 61

Split up long C++ double literal into multiple lines

c++vimlong-double

Score: 0

Answers: 1

l4m2

Reputation: 1157

Packing long double with int

cmemory-alignmentlong-double

Score: -1

Answers: 2

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StackOverflow Questions for Tag: long-double

c++ long double (128-bit) precision

g++ gives wrong answers : float128 aka long double : cmath

How can 12-bytes long double fit in 64 bits register?

What is the precision of long double in C++?

long double (GCC specific) and __float128

Performance implications of long double. Why does C choose 64-bits instead of the hardware&#39;s 80-bit for its default?

Does VS C++ compiler handle 80-bit floating point numbers, or long double?

How does &#39;long double&#39; occupy 16 bytes / 128 bits of storage when my CPU (X64 ISA)?

long double vs double

can&#39;t print correctly a long double in C

Values getting Overflowed while converting Bit into TB

Need large integers and floats. Trouble with long long int and long double

Cant recognise long long , long double in MinGW on Code::Blocks

Are long doubles broken using MinGW-w64?

Is long double in C++ an implementation of IEEE&#39;s binary128?

Cholesky with floats 128 (Python)

How can you set data type of #define to long double?

gcc13: long double has almost the same precision of libquadmath; are they both 80-bit float implementations?

Split up long C++ double literal into multiple lines

Packing long double with int

Performance implications of long double. Why does C choose 64-bits instead of the hardware's 80-bit for its default?

How does 'long double' occupy 16 bytes / 128 bits of storage when my CPU (X64 ISA)?

can't print correctly a long double in C

Is long double in C++ an implementation of IEEE's binary128?