Package org.python.modules

Class cmath

java.lang.Object
org.python.modules.cmath
public class cmath extends Object

  • Field Details

    • pi

      public static final PyFloat pi

    • e

      public static final PyFloat e

  • Constructor Details

    • cmath

      public cmath()

  • Method Details

    • acos

      public static PyComplex acos(PyObject w)
      Return the arc cosine of w. There are two branch cuts. One extends right from 1 along the real axis to ∞, continuous from below. The other extends left from -1 along the real axis to -∞, continuous from above.
      Parameters:
      w -
      Returns:
      cos-1w

    • acosh

      public static PyComplex acosh(PyObject w)
      Return the hyperbolic arc cosine of w. There is one branch cut, extending left from 1 along the real axis to -∞, continuous from above.
      Parameters:
      w -
      Returns:
      cosh-1w

    • asin

      public static PyComplex asin(PyObject w)
      Return the arc sine of w. There are two branch cuts. One extends right from 1 along the real axis to ∞, continuous from below. The other extends left from -1 along the real axis to -∞, continuous from above.
      Parameters:
      w -
      Returns:
      sin-1w

    • asinh

      public static PyComplex asinh(PyObject w)
      Return the hyperbolic arc sine of w. There are two branch cuts. One extends from 1j along the imaginary axis to ∞j, continuous from the right. The other extends from -1j along the imaginary axis to -∞j, continuous from the left.
      Parameters:
      w -
      Returns:
      sinh-1w

    • atan

      public static PyComplex atan(PyObject w)
      Return the arc tangent of w. There are two branch cuts. One extends from 1j along the imaginary axis to ∞j, continuous from the right. The other extends from -1j along the imaginary axis to -∞j, continuous from the left.
      Parameters:
      w -
      Returns:
      tan-1w

    • atanh

      public static PyComplex atanh(PyObject w)
      Return the hyperbolic arc tangent of w. There are two branch cuts. One extends from 1 along the real axis to ∞, continuous from below. The other extends from -1 along the real axis to -∞, continuous from above.
      Parameters:
      w -
      Returns:
      tanh-1w

    • cos

      public static PyComplex cos(PyObject z)
      Return the cosine of z.
      Parameters:
      z -
      Returns:
      cos z

    • cosh

      public static PyComplex cosh(PyObject z)
      Return the hyperbolic cosine of z.
      Parameters:
      z -
      Returns:
      cosh z

    • exp

      public static PyComplex exp(PyObject z)
      Return the exponential value ez.
      Parameters:
      z -
      Returns:
      ez

    • phase

      public static double phase(PyObject in)

    • polar

      public static PyTuple polar(PyObject in)

    • rect

      public static PyComplex rect(double r, double phi)
      Return the complex number x with polar coordinates r and phi. Equivalent to r * (math.cos(phi) + math.sin(phi)*1j).
      Parameters:
      r - radius
      phi - angle
      Returns:
      reiφ

    • isinf

      public static boolean isinf(PyObject in)
      Parameters:
      in -
      Returns:
      true if in.real or in.imag is positive or negative infinity

    • isnan

      public static boolean isnan(PyObject in)
      Parameters:
      in -
      Returns:
      true if in.real or in.imag is nan.

    • log

      public static PyComplex log(PyObject w)
      Returns the natural logarithm of w.
      Parameters:
      w -
      Returns:
      ln w

    • log10

      public static PyComplex log10(PyObject w)
      Returns the common logarithm of w (base 10 logarithm).
      Parameters:
      w -
      Returns:
      log10w

    • log

      public static PyComplex log(PyObject w, PyObject b)
      Returns the logarithm of w to the given base. If the base is not specified, returns the natural logarithm of w. There is one branch cut, from 0 along the negative real axis to -∞, continuous from above.
      Parameters:
      w -
      b -
      Returns:
      logbw

    • sin

      public static PyComplex sin(PyObject z)
      Return the sine of z.
      Parameters:
      z -
      Returns:
      sin z

    • sinh

      public static PyComplex sinh(PyObject z)
      Return the hyperbolic sine of z.
      Parameters:
      z -
      Returns:
      sinh z

    • sqrt

      public static PyComplex sqrt(PyObject w)
      Calculate z = x+iy, such that z2 = w. In taking the square roots to get x and y, we choose to have x≥0 always, and y the same sign as v.
      Parameters:
      w - to square-root
      Returns:
      w½

    • tan

      public static PyComplex tan(PyObject z)
      Return the tangent of z.
      Parameters:
      z -
      Returns:
      tan z

    • tanh

      public static PyComplex tanh(PyObject z)
      Return the hyperbolic tangent of z.
      Parameters:
      z -
      Returns:
      tanh z