Mathematical functions

Useful mathematical functions. More...

Topics
	Polynomial real roots
	Tools to compute the real roots of quadratic, cubic, and quartic polynomials.
	Polynomial roots
	Tools to compute the complex roots of quadratic, cubic, and quartic polynomials.

Namespaces
module	mod_math_algebra
	Algebraic Functions.
module	mod_math_linalg
	Linear algebra functions.

Functions
elemental logical function	mod_math_algebra::is_a_power_of_two (n)
	Tell whether argument is a power of two.

Detailed Description

Function Documentation

is_a_power_of_two()

elemental logical function mod_math_algebra::is_a_power_of_two

(

integer, intent(in)

n

)

Helps to verify that the number of cells in each direction is a power of two (may be necessary to Hypre's solvers)