Mathematical functions - Githubissues

shssf commented 4 years ago

Need to implement following function in mathematical module

Trigonometric functions

[x] sin(x, /[, out, where, casting, order, ...]) Trigonometric sine, element-wise.
[x] cos(x, /[, out, where, casting, order, ...]) Cosine element-wise.
[x] tan(x, /[, out, where, casting, order, ...]) Compute tangent element-wise.
[x] arcsin(x, /[, out, where, casting, order, ...]) Inverse sine, element-wise.
[x] arccos(x, /[, out, where, casting, order, ...]) Trigonometric inverse cosine, element-wise.
[x] arctan(x, /[, out, where, casting, order, ...]) Trigonometric inverse tangent, element-wise.
[x] hypot(x1, x2, /[, out, where, casting, ...]) Given the “legs” of a right triangle, return its hypotenuse.
[x] arctan2(x1, x2, /[, out, where, casting, ...]) Element-wise arc tangent of x1/x2 choosing the quadrant correctly.
[x] degrees(x, /[, out, where, casting, order, ...]) Convert angles from radians to degrees.
[x] radians(x, /[, out, where, casting, order, ...]) Convert angles from degrees to radians.
[x] unwrap(p[, discont, axis]) Unwrap by changing deltas between values to 2*pi complement.
[x] deg2rad(x, /[, out, where, casting, order, ...]) Convert angles from degrees to radians.
[x] rad2deg(x, /[, out, where, casting, order, ...]) Convert angles from radians to degrees.

Hyperbolic functions

[x] sinh(x, /[, out, where, casting, order, ...]) Hyperbolic sine, element-wise.
[x] cosh(x, /[, out, where, casting, order, ...]) Hyperbolic cosine, element-wise.
[x] tanh(x, /[, out, where, casting, order, ...]) Compute hyperbolic tangent element-wise.
[x] arcsinh(x, /[, out, where, casting, order, ...]) Inverse hyperbolic sine element-wise.
[x] arccosh(x, /[, out, where, casting, order, ...]) Inverse hyperbolic cosine, element-wise.
[x] arctanh(x, /[, out, where, casting, order, ...]) Inverse hyperbolic tangent element-wise.

Rounding

[x] around(a[, decimals, out]) Evenly round to the given number of decimals.
[x] round_(a[, decimals, out]) Round an array to the given number of decimals.
[x] rint(x, /[, out, where, casting, order, ...]) Round elements of the array to the nearest integer.
[ ] fix(x[, out]) Round to nearest integer towards zero.
[x] floor(x, /[, out, where, casting, order, ...]) Return the floor of the input, element-wise.
[x] ceil(x, /[, out, where, casting, order, ...]) Return the ceiling of the input, element-wise.
[x] trunc(x, /[, out, where, casting, order, ...]) Return the truncated value of the input, element-wise.

Sums, products, differences

[x] prod(a[, axis, dtype, out, keepdims]) Return the product of array elements over a given axis.
[x] sum(a[, axis, dtype, out, keepdims]) Sum of array elements over a given axis.
[x] nanprod(a[, axis, dtype, out, keepdims]) Return the product of array elements over a given axis treating Not a Numbers (NaNs) as ones.
[x] nansum(a[, axis, dtype, out, keepdims]) Return the sum of array elements over a given axis treating Not a Numbers (NaNs) as zero.
[x] cumprod(a[, axis, dtype, out]) Return the cumulative product of elements along a given axis.
[x] cumsum(a[, axis, dtype, out]) Return the cumulative sum of the elements along a given axis.
[x] nancumprod(a[, axis, dtype, out]) Return the cumulative product of array elements over a given axis treating Not a Numbers (NaNs) as one.
[x] nancumsum(a[, axis, dtype, out]) Return the cumulative sum of array elements over a given axis treating Not a Numbers (NaNs) as zero.
[x] diff(a[, n, axis]) Calculate the n-th discrete difference along given axis.
[ ] ediff1d(ary[, to_end, to_begin]) The differences between consecutive elements of an array.
[x] gradient(f, *varargs, **kwargs) Return the gradient of an N-dimensional array.
[x] cross(a, b[, axisa, axisb, axisc, axis]) Return the cross product of two (arrays of) vectors.
[x] trapz(y[, x, dx, axis]) Integrate along the given axis using the composite trapezoidal rule.

Exponents and logarithms

[x] exp(x, /[, out, where, casting, order, ...]) Calculate the exponential of all elements in the input array.
[x] expm1(x, /[, out, where, casting, order, ...]) Calculate exp(x) - 1 for all elements in the array.
[x] exp2(x, /[, out, where, casting, order, ...]) Calculate 2**p for all p in the input array.
[x] log(x, /[, out, where, casting, order, ...]) Natural logarithm, element-wise.
[x] log10(x, /[, out, where, casting, order, ...]) Return the base 10 logarithm of the input array, element-wise.
[x] log2(x, /[, out, where, casting, order, ...]) Base-2 logarithm of x.
[x] log1p(x, /[, out, where, casting, order, ...]) Return the natural logarithm of one plus the input array, element-wise.
[x] logaddexp(x1, x2, /[, out, where, casting, ...]) Logarithm of the sum of exponentiations of the inputs.
[x] logaddexp2(x1, x2, /[, out, where, casting, ...]) Logarithm of the sum of exponentiations of the inputs in base-2.

Other special functions

[x] i0(x) Modified Bessel function of the first kind, order 0.
[ ] sinc(x) Return the sinc function.

Floating point routines

[x] signbit(x, /[, out, where, casting, order, ...]) Returns element-wise True where signbit is set (less than zero).
[x] copysign(x1, x2, /[, out, where, casting, ...]) Change the sign of x1 to that of x2, element-wise.
[x] frexp(x[, out1, out2], / [[, out, where, ...]) Decompose the elements of x into mantissa and twos exponent.
[x] ldexp(x1, x2, /[, out, where, casting, ...]) Returns x1 * 2**x2, element-wise.
[x] nextafter(x1, x2, /[, out, where, casting, ...]) Return the next floating-point value after x1 towards x2, element-wise.
[ ] spacing(x, /[, out, where, casting, order, ...]) Return the distance between x and the nearest adjacent number.

Arithmetic operations

[x] add(x1, x2, /[, out, where, casting, order, ...]) Add arguments element-wise.
[x] reciprocal(x, /[, out, where, casting, ...]) Return the reciprocal of the argument, element-wise.
[x] positive(x, /[, out, where, casting, order, ...]) | Numerical positive, element-wise.
[x] negative(x, /[, out, where, casting, order, ...]) Numerical negative, element-wise.
[x] multiply(x1, x2, /[, out, where, casting, ...]) Multiply arguments element-wise.
[x] divide(x1, x2, /[, out, where, casting, ...]) Divide arguments element-wise.
[x] power(x1, x2, /[, out, where, casting, ...]) First array elements raised to powers from second array, element-wise.
[x] subtract(x1, x2, /[, out, where, casting, ...]) Subtract arguments, element-wise.
[x] true_divide(x1, x2, /[, out, where, ...]) Returns a true division of the inputs, element-wise.
[x] floor_divide(x1, x2, /[, out, where, ...]) Return the largest integer smaller or equal to the division of the inputs.
[x] float_power(x1, x2, /[, out, where, ...]) First array elements raised to powers from second array, element-wise.
[x] fmod(x1, x2, /[, out, where, casting, ...]) Return the element-wise remainder of division.
[x] mod(x1, x2, /[, out, where, casting, order, ...]) Return element-wise remainder of division.
[x] modf(x[, out1, out2], / [[, out, where, ...]) Return the fractional and integral parts of an array, element-wise.
[x] remainder(x1, x2, /[, out, where, casting, ...]) Return element-wise remainder of division.
[x] divmod(x1, x2[, out1, out2], / [[, out, ...]) Return element-wise quotient and remainder simultaneously.

Handling complex numbers

[x] angle(z[, deg]) Return the angle of the complex argument.
[x] real(val) Return the real part of the complex argument.
[x] imag(val) Return the imaginary part of the complex argument.
[x] conj(x, /[, out, where, casting, order, ...]) Return the complex conjugate, element-wise.
[x] conjugate(x, /[, out, where, casting, ...]) | Return the complex conjugate, element-wise.

Extrema Finding

[x] maximum(x1, x2, /[, out, where, casting, ...]) Element-wise maximum of array elements.
[x] max(a[, axis, out, keepdims, initial, where]) Return the maximum of an array or maximum along an axis.
[x] amax(a[, axis, out, keepdims, initial, where]) Return the maximum of an array or maximum along an axis.
[x] fmax(x1, x2, /[, out, where, casting, ...]) Element-wise maximum of array elements.
[x] nanmax(a[, axis, out, keepdims, initial, where]) Return the maximum of an array or maximum along an axis, ignoring any NaNs.
[x] minimum(x1, x2, /[, out, where, casting, ...]) Element-wise minimum of array elements.
[x] min(a[, axis, out, keepdims, initial, where]) Return the minimum of an array or minimum along an axis.
[x] amin(a[, axis, out, keepdims, initial, where]) Return the minimum of an array or minimum along an axis.
[x] fmin(x1, x2, /[, out, where, casting, ...]) Element-wise minimum of array elements.
[x] nanmin(a[, axis, out, keepdims, initial, where]) Return minimum of an array or minimum along an axis, ignoring any NaNs.

Miscellaneous

[ ] convolve(a, v[, mode]) Returns the discrete, linear convolution of two one-dimensional sequences.
[x] clip(a, a_min, a_max[, out]) Clip (limit) the values in an array.
[x] sqrt(x, /[, out, where, casting, order, ...]) Return the positive square-root of an array, element-wise.
[x] cbrt(x, /[, out, where, casting, order, ...]) Return the cube-root of an array, element-wise.
[x] square(x, /[, out, where, casting, order, ...]) Return the element-wise square of the input.
[x] absolute(x, /[, out, where, casting, order, ...]) Calculate the absolute value element-wise.
[x] fabs(x, /[, out, where, casting, order, ...]) Compute the absolute values element-wise.
[x] sign(x, /[, out, where, casting, order, ...]) Returns an element-wise indication of the sign of a number.
[ ] heaviside(x1, x2, /[, out, where, casting, ...]) Compute the Heaviside step function.
[x] nan_to_num(x[, copy]) Replace nan with zero and inf with finite numbers.
[x] real_if_close(a[, tol]) If complex input returns a real array if complex parts are close to zero.
[ ] interp(x, xp, fp[, left, right, period]) One-dimensional linear interpolation.

antonwolfy commented 6 months ago

dpnp.logaddexp is added by #1561

antonwolfy commented 6 months ago

dpnp.rint is added by #1537