Issues

• complex_result_from_scalar for the built-in floating-point types

  boostorg/multiprecision#779 · Filter by author NAThompson opened on Oct 12, 2026
  1

• cpp_bin_float fma rounds the product before the addition instead of fusing

  boostorg/multiprecision#777 · Filter by author NAThompson opened on Oct 11, 2026

• cpp_bin_float truncates instead of rounding when converting from wide integers

  boostorg/multiprecision#775 · Filter by author NAThompson opened on Sep 25, 2026

• GCC rejects constexpr operations on cpp_int (> double_limb_type) initialized from a double_limb_type integer

  boostorg/multiprecision#768 · Filter by author marcoffee opened on Jul 28, 2026
  4

• Eigen NumTraits specialisation doesn't define max_digits10()

  boostorg/multiprecision#744 · Filter by author FreddieWitherden opened on Oct 14, 2025

• cpp_double_fp_backend optimized single-limb operations

  enhancementoptimization
  boostorg/multiprecision#728 · Filter by author ckormanyos opened on Aug 17, 2025
  

• Potential error read-string overflow/underflow in bin-float?

  boostorg/multiprecision#726 · Filter by author ckormanyos opened on Jul 31, 2025

• Update examples

  documentationenhancementquality
  boostorg/multiprecision#725 · Filter by author ckormanyos opened on Jul 14, 2025
  

• Modernize Multiprecision's Visualizers in VS

  documentationenhancementlow priority
  boostorg/multiprecision#720 · Filter by author ckormanyos opened on Jul 11, 2025
  

• Findings cpp_fp_double_backend

  enhancementoptimizationquality
  boostorg/multiprecision#703 · Filter by author ckormanyos opened on Jun 28, 2025
  

• Any plans for a ttmath backend?

  boostorg/multiprecision#696 · Filter by author LegalizeAdulthood opened on Jun 17, 2025
  8

• BOOST_MP_STANDALONE issue

  boostorg/multiprecision#690 · Filter by author andreygorbachev opened on May 23, 2025
  7

• Bit shifting for power of 2 division

  boostorg/multiprecision#688 · Filter by author eddiewastaken opened on May 15, 2025
  2

• Is there a way to make uint128_t really 128 bit?

  question
  boostorg/multiprecision#666 · Filter by author pps83 opened on Mar 19, 2025
  33

• Feature request: std::formatter support

  boostorg/multiprecision#653 · Filter by author valiko-ua opened on Feb 10, 2025
  1

• Tie-to-even rule is not followed for overload remainder(float128, int)

  boostorg/multiprecision#639 · Filter by author cffk opened on Oct 10, 2024

• Mac M3. boost 1.86.0 Boost.Multiprecision compile error

  boostorg/multiprecision#638 · Filter by author guangbinl opened on Sep 11, 2024
  3

• Should expression templates be enabled by default as of 2024?

  boostorg/multiprecision#622 · Filter by author marcovc opened on Jun 10, 2024
  7

• hypot(x, y, z) not implemented

  boostorg/multiprecision#621 · Filter by author cffk opened on May 24, 2024

• conversion of big int to string

  boostorg/multiprecision#617 · Filter by author afabri opened on May 1, 2024
  9

• Debugging mode value description files

  boostorg/multiprecision#615 · Filter by author ohhmm opened on Apr 18, 2024

• Clean up remotes branches

  question
  boostorg/multiprecision#599 · Filter by author ckormanyos opened on Feb 11, 2024
  1

  

• boost::mp::number with cpp_dec_float backend and some strange initialization moments and a few strange implementation decisions

  boostorg/multiprecision#594 · Filter by author niXman opened on Feb 8, 2024
  22

• Random hash_value for mpfr_float(0)

  boostorg/multiprecision#593 · Filter by author fintarin opened on Feb 6, 2024

• Qver/Under Flow Detection via number::convert_to<T>()

  boostorg/multiprecision#592 · Filter by author PaltryProgrammer opened on Jan 28, 2024