...one of the most highly
regarded and expertly designed C++ library projects in the
world.

— Herb Sutter and Andrei
Alexandrescu, C++
Coding Standards

- Gamma Functions
- Factorials and Binomial Coefficients
- Beta Functions
- Error Functions
- Polynomials
- Bessel Functions
- Elliptic Integrals
- Zeta Functions
- Exponential Integrals
- Logs, Powers, Roots and Exponentials
- Sinus Cardinal and Hyperbolic Sinus Cardinal Functions
- Inverse Hyperbolic Functions
- Rounding Truncation and Integer Conversion
- Floating-Point Classification: Infinities and NaN's
- Floating-Point Representation Distance (ULP), and Finding Adjacent Floating-Point Values
- Finding the Next Representable Value in a Specific Direction (nextafter)
- Finding the Next Greater Representable Value (float_next)
- Finding the Next Smaller Representable Value (float_prior)
- Calculating the Representation Distance Between Two Floating Point Values (ULP) float_distance
- Advancing a Floating Point Value by a Specific Representation Distance (ULP) float_advance

- TR1 and C99 external "C" Functions