Evaluate a factorial.
Evaluate a polynomial using double-precision floating-point arithmetic.
Evaluate the natural logarithm of 1+x.
Compute the sine of a double-precision floating-point number on [-π/4, π/4].
Return the maximum value.
Compute the sine of a number.
Compute the absolute value of a single-precision floating-point number.
Test if a double-precision floating-point numeric value is negative zero.
Compute the cosine of a number.
Compute gamma(x+1) - 1.
Compute the cosine of a double-precision floating-point number on [-π/4, π/4].
Incomplete gamma function.
Test if a double-precision floating-point numeric value is positive zero.
Calculate a scaled Lanczos sum for the approximation of the gamma function.
Evaluate bˣ - 1.
Compute the sum of an infinite series.
Evaluate the natural logarithm of a double-precision floating-point number.
Test if a single-precision floating-point numeric value is NaN.
Continued fraction approximation.
Inverse incomplete gamma function.
Return the minimum value.
Modulus function.
Beta function.
Evaluate ln(1+x) - x.