Rinzii

Rinzii/ccmath

Standards-oriented <cmath> implementation with constexpr, runtime, and SIMD support. All written in modern C++17.

78 stars 13 forks 78 watchers C++ Other
cmath compile-time constexpr correctly-rounded cpp cpp17 cpp20 cpp23 cross-platform floating-point header-only ieee-754 libm numerical-computing simd special-functions trigonometry
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5 Open Issues Need Help Last updated: Jul 25, 2026

Open Issues Need Help

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Make `[[nodiscard]]` on the public API toggleable about 3 hours ago
good first issue T: New Feature P4: Low S: Stale S: Help Wanted Changes: Public API Feature: Approved D5: Trivial
Rinzii/ccmath
78

Standards-oriented <cmath> implementation with constexpr, runtime, and SIMD support. All written in modern C++17.

C++
#cmath#compile-time#constexpr#correctly-rounded#cpp#cpp17#cpp20#cpp23#cross-platform#floating-point#header-only#ieee-754#libm#numerical-computing#simd#special-functions#trigonometry
[BUG]: expm1 generic kernel returns approx 0 instead of -1 for large-negative arguments 2 months ago
good first issue Bug: Replicated D4: Low
Rinzii/ccmath
78

Standards-oriented <cmath> implementation with constexpr, runtime, and SIMD support. All written in modern C++17.

C++
#cmath#compile-time#constexpr#correctly-rounded#cpp#cpp17#cpp20#cpp23#cross-platform#floating-point#header-only#ieee-754#libm#numerical-computing#simd#special-functions#trigonometry
[BUG]: constexpr math functions fail to compile on domain/special inputs 2 months ago
good first issue Bug: Replicated
Rinzii/ccmath
78

Standards-oriented <cmath> implementation with constexpr, runtime, and SIMD support. All written in modern C++17.

C++
#cmath#compile-time#constexpr#correctly-rounded#cpp#cpp17#cpp20#cpp23#cross-platform#floating-point#header-only#ieee-754#libm#numerical-computing#simd#special-functions#trigonometry
Add C++20 Modules Support for library 2 months ago
good first issue T: New Feature S: Help Wanted Feature: Approved
Rinzii/ccmath
78

Standards-oriented <cmath> implementation with constexpr, runtime, and SIMD support. All written in modern C++17.

C++
#cmath#compile-time#constexpr#correctly-rounded#cpp#cpp17#cpp20#cpp23#cross-platform#floating-point#header-only#ieee-754#libm#numerical-computing#simd#special-functions#trigonometry
[BUG]: hypot generic kernel returns max-finite instead of inf at the overflow boundary 2 months ago
good first issue Bug: Replicated
Rinzii/ccmath
78

Standards-oriented <cmath> implementation with constexpr, runtime, and SIMD support. All written in modern C++17.

C++
#cmath#compile-time#constexpr#correctly-rounded#cpp#cpp17#cpp20#cpp23#cross-platform#floating-point#header-only#ieee-754#libm#numerical-computing#simd#special-functions#trigonometry