Stdmath Packages

Compute the multiplicative inverse of a double-precision floating-point number.

Compute the multiplicative inverse of a single-precision floating-point number.

Incomplete beta function and its first derivative.

Inverse incomplete beta function.

Compute the cosine of a double-precision floating-point number on [-π/4, π/4].

Compute log(1+f) - f for 1+f in ~[sqrt(2)/2, sqrt(2)].

Compute the sine of a double-precision floating-point number on [-π/4, π/4].

Compute the tangent of a double-precision floating-point number on [-π/4, π/4].

Evaluate the Kronecker delta.

Evaluate the Kronecker delta (single-precision).

Compute an absolute value of a signed 32-bit integer.

Compute the least common multiple (lcm).

Multiply a double-precision floating-point number by an integer power of two.

Common logarithm (base ten).

Compute the nth Fibonacci number.

Compute the Fibonacci number index.

Return a double-precision floating-point number with the magnitude of x and the sign of x*y.

Return a single-precision floating-point number with the magnitude of x and the sign of x*y.

Round a double-precision floating-point number toward negative infinity.

Round a numeric value to the nearest power of 10 toward negative infinity.