Neko  0.8.99
A portable framework for high-order spectral element flow simulations
math Module Reference

Data Types

interface  abscmp
 
interface  sort
 
interface  swap
 
interface  reord
 
interface  flipv
 
interface  relcmp
 

Functions/Subroutines

pure logical function sabscmp (x, y)
 Return single precision absolute comparison \( | x - y | < \epsilon \). More...
 
pure logical function dabscmp (x, y)
 Return double precision absolute comparison \( | x - y | < \epsilon \). More...
 
pure logical function qabscmp (x, y)
 Return double precision absolute comparison \( | x - y | < \epsilon \). More...
 
pure logical function srelcmp (x, y, eps)
 Return single precision relative comparison \( | x - y |<= \epsilon*|y| \). More...
 
pure logical function drelcmp (x, y, eps)
 Return double precision relative comparison \( | x - y |/|y| < \epsilon \). More...
 
pure logical function qrelcmp (x, y, eps)
 Return quad precision relative comparison \( | x - y |/|y| < \epsilon \). More...
 
subroutine, public rzero (a, n)
 Zero a real vector. More...
 
subroutine, public izero (a, n)
 Zero an integer vector. More...
 
subroutine, public row_zero (a, m, n, e)
 Sets row e to 0 in matrix a. More...
 
subroutine, public rone (a, n)
 Set all elements to one. More...
 
subroutine, public copy (a, b, n)
 Copy a vector \( a = b \). More...
 
subroutine, public masked_copy (a, b, mask, n, m)
 Copy a masked vector \( a(mask) = b(mask) \). More...
 
subroutine, public cfill_mask (a, c, size, mask, mask_size)
 Fill a constant to a masked vector. \( a_i = c, for i in mask \). More...
 
subroutine, public cmult (a, c, n)
 Multiplication by constant c \( a = c \cdot a \). More...
 
subroutine, public cadd (a, s, n)
 Add a scalar to vector \( a_i = a_i + s \). More...
 
subroutine, public cadd2 (a, b, s, n)
 Add a scalar to vector \( a_i = b_i + s \). More...
 
subroutine, public cfill (a, c, n)
 Set all elements to a constant c \( a = c \). More...
 
real(kind=rp) function, public glsum (a, n)
 Sum a vector of length n. More...
 
real(kind=rp) function, public glmax (a, n)
 Max of a vector of length n. More...
 
integer function, public glimax (a, n)
 Max of an integer vector of length n. More...
 
real(kind=rp) function, public glmin (a, n)
 Min of a vector of length n. More...
 
integer function, public glimin (a, n)
 Min of an integer vector of length n. More...
 
subroutine, public chsign (a, n)
 Change sign of vector \( a = -a \). More...
 
real(kind=rp) function, public vlmax (vec, n)
 maximum value of a vector of length n More...
 
real(kind=rp) function, public vlmin (vec, n)
 minimun value of a vector of length n More...
 
subroutine, public invcol1 (a, n)
 Invert a vector \( a = 1 / a \). More...
 
subroutine, public invcol3 (a, b, c, n)
 Invert a vector \( a = b / c \). More...
 
subroutine, public invers2 (a, b, n)
 Compute inverted vector \( a = 1 / b \). More...
 
subroutine, public vcross (u1, u2, u3, v1, v2, v3, w1, w2, w3, n)
 Compute a cross product \( u = v \times w \) assuming vector components \( u = (u_1, u_2, u_3) \) etc. More...
 
subroutine, public vdot2 (dot, u1, u2, v1, v2, n)
 Compute a dot product \( dot = u \cdot v \) (2-d version) assuming vector components \( u = (u_1, u_2, u_3) \) etc. More...
 
subroutine, public vdot3 (dot, u1, u2, u3, v1, v2, v3, n)
 Compute a dot product \( dot = u \cdot v \) (3-d version) assuming vector components \( u = (u_1, u_2, u_3) \) etc. More...
 
real(kind=rp) function, public vlsc3 (u, v, w, n)
 Compute multiplication sum \( dot = u \cdot v \cdot w \). More...
 
real(kind=rp) function, public vlsc2 (u, v, n)
 Compute multiplication sum \( dot = u \cdot v \cdot w \). More...
 
subroutine, public add2 (a, b, n)
 Vector addition \( a = a + b \). More...
 
subroutine, public add3 (a, b, c, n)
 Vector addition \( a = b + c \). More...
 
subroutine, public add4 (a, b, c, d, n)
 Vector addition \( a = b + c + d\). More...
 
subroutine, public sub2 (a, b, n)
 Vector substraction \( a = a - b \). More...
 
subroutine, public sub3 (a, b, c, n)
 Vector subtraction \( a = b - c \). More...
 
subroutine, public add2s1 (a, b, c1, n)
 Vector addition with scalar multiplication \( a = c_1 a + b \) (multiplication on first argument) More...
 
subroutine, public add2s2 (a, b, c1, n)
 Vector addition with scalar multiplication \( a = a + c_1 b \) (multiplication on second argument) More...
 
subroutine, public addsqr2s2 (a, b, c1, n)
 Returns \( a = a + c1 * (b * b )\). More...
 
subroutine, public cmult2 (a, b, c, n)
 Multiplication by constant c \( a = c \cdot b \). More...
 
subroutine, public invcol2 (a, b, n)
 Vector division \( a = a / b \). More...
 
subroutine, public col2 (a, b, n)
 Vector multiplication \( a = a \cdot b \). More...
 
subroutine, public col3 (a, b, c, n)
 Vector multiplication with 3 vectors \( a = b \cdot c \). More...
 
subroutine, public subcol3 (a, b, c, n)
 Returns \( a = a - b*c \). More...
 
subroutine, public add3s2 (a, b, c, c1, c2, n)
 Returns \( a = c1 * b + c2 * c \). More...
 
subroutine, public subcol4 (a, b, c, d, n)
 Returns \( a = a - b*c*d \). More...
 
subroutine, public addcol3 (a, b, c, n)
 Returns \( a = a + b*c \). More...
 
subroutine, public addcol4 (a, b, c, d, n)
 Returns \( a = a + b*c*d \). More...
 
subroutine, public ascol5 (a, b, c, d, e, n)
 Returns \( a = b \dot c - d \cdot e \). More...
 
subroutine, public p_update (a, b, c, c1, c2, n)
 Returns \( a = b \dot c1 ( a - c2 \cdot c )\). More...
 
subroutine, public x_update (a, b, c, c1, c2, n)
 Returns \( a = b \dot c1 ( a - c2 \cdot c )\). More...
 
real(kind=rp) function, public glsc2 (a, b, n)
 Weighted inner product \( a^T b \). More...
 
real(kind=rp) function, public glsc3 (a, b, c, n)
 Weighted inner product \( a^T b c \). More...
 
real(kind=rp) function, public glsc4 (a, b, c, d, n)
 
subroutine sortrp (a, ind, n)
 Heap Sort for double precision arrays. More...
 
subroutine sorti4 (a, ind, n)
 Heap Sort for single integer arrays. More...
 
subroutine swapdp (b, ind, n)
 sort double precision array acording to ind vector More...
 
subroutine swapi4 (b, ind, n)
 sort single integer array acording to ind vector More...
 
subroutine reorddp (b, ind, n)
 reorder double precision array - inverse of swap More...
 
subroutine reordi4 (b, ind, n)
 reorder single integer array - inverse of swap More...
 
subroutine flipvdp (b, ind, n)
 Flip double precision vector b and ind. More...
 
subroutine flipvi4 (b, ind, n)
 Flip single integer vector b and ind. More...
 

Variables

real(kind=rp), parameter, public neko_eps = epsilon(1.0_rp)
 Machine epsilon \( \epsilon \). More...
 
real(kind=rp), parameter, public neko_m_ln2 = log(2.0_rp)
 \( ln(2) \) More...
 
real(kind=rp), parameter, public pi = 4._rp*atan(1._rp)
 \( \pi \) More...
 

Function/Subroutine Documentation

◆ add2()

subroutine, public math::add2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, intent(in)  n 
)

Definition at line 546 of file math.f90.

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◆ add2s1()

subroutine, public math::add2s1 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(inout)  b,
real(kind=rp), intent(in)  c1,
integer, intent(in)  n 
)

Definition at line 617 of file math.f90.

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◆ add2s2()

subroutine, public math::add2s2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(inout)  b,
real(kind=rp), intent(in)  c1,
integer, intent(in)  n 
)

Definition at line 632 of file math.f90.

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◆ add3()

subroutine, public math::add3 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 559 of file math.f90.

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◆ add3s2()

subroutine, public math::add3s2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), intent(in)  c1,
real(kind=rp), intent(in)  c2,
integer, intent(in)  n 
)

Definition at line 729 of file math.f90.

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◆ add4()

subroutine, public math::add4 ( real(kind=rp), dimension(n), intent(out)  a,
real(kind=rp), dimension(n), intent(inout)  b,
real(kind=rp), dimension(n), intent(inout)  c,
real(kind=rp), dimension(n), intent(inout)  d,
integer, intent(in)  n 
)

Definition at line 573 of file math.f90.

◆ addcol3()

subroutine, public math::addcol3 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 760 of file math.f90.

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◆ addcol4()

subroutine, public math::addcol4 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), dimension(n), intent(in)  d,
integer, intent(in)  n 
)

Definition at line 774 of file math.f90.

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◆ addsqr2s2()

subroutine, public math::addsqr2s2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), intent(in)  c1,
integer, intent(in)  n 
)

Definition at line 646 of file math.f90.

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◆ ascol5()

subroutine, public math::ascol5 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), dimension(n), intent(in)  d,
real(kind=rp), dimension(n), intent(in)  e,
integer, intent(in)  n 
)

Definition at line 789 of file math.f90.

◆ cadd()

subroutine, public math::cadd ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), intent(in)  s,
integer, intent(in)  n 
)

Definition at line 288 of file math.f90.

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◆ cadd2()

subroutine, public math::cadd2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), intent(in)  s,
integer, intent(in)  n 
)

Definition at line 300 of file math.f90.

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◆ cfill()

subroutine, public math::cfill ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 313 of file math.f90.

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◆ cfill_mask()

subroutine, public math::cfill_mask ( real(kind=rp), dimension(size), intent(inout)  a,
real(kind=rp), intent(in)  c,
integer, intent(in)  size,
integer, dimension(mask_size), intent(in)  mask,
integer, intent(in)  mask_size 
)

Definition at line 262 of file math.f90.

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◆ chsign()

subroutine, public math::chsign ( real(kind=rp), dimension(n), intent(inout)  a,
integer, intent(in)  n 
)

Definition at line 399 of file math.f90.

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◆ cmult()

subroutine, public math::cmult ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 276 of file math.f90.

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◆ cmult2()

subroutine, public math::cmult2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 660 of file math.f90.

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◆ col2()

subroutine, public math::col2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, intent(in)  n 
)

Definition at line 688 of file math.f90.

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◆ col3()

subroutine, public math::col3 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 701 of file math.f90.

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◆ copy()

subroutine, public math::copy ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, intent(in)  n 
)

Definition at line 227 of file math.f90.

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◆ dabscmp()

pure logical function math::dabscmp ( real(kind=dp), intent(in)  x,
real(kind=dp), intent(in)  y 
)
private

Definition at line 120 of file math.f90.

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◆ drelcmp()

pure logical function math::drelcmp ( real(kind=dp), intent(in)  x,
real(kind=dp), intent(in)  y,
real(kind=dp), intent(in), optional  eps 
)
private

Definition at line 154 of file math.f90.

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◆ flipvdp()

subroutine math::flipvdp ( real(kind=rp), dimension(n), intent(inout)  b,
integer, dimension(n), intent(inout)  ind,
integer, intent(in)  n 
)
private
Parameters
[in,out]bvector to be reordered
[in,out]indpermutation array
[in]narray size

Definition at line 1088 of file math.f90.

◆ flipvi4()

subroutine math::flipvi4 ( integer(i4), dimension(n), intent(inout)  b,
integer, dimension(n), intent(inout)  ind,
integer, intent(in)  n 
)
private
Parameters
[in,out]bvector to be reordered
[in,out]indpermutation array
[in]narray size

Definition at line 1111 of file math.f90.

◆ glimax()

integer function, public math::glimax ( integer, dimension(n)  a,
integer, intent(in)  n 
)

Definition at line 354 of file math.f90.

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◆ glimin()

integer function, public math::glimin ( integer, dimension(n)  a,
integer, intent(in)  n 
)

Definition at line 382 of file math.f90.

◆ glmax()

real(kind=rp) function, public math::glmax ( real(kind=rp), dimension(n)  a,
integer, intent(in)  n 
)

Definition at line 340 of file math.f90.

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◆ glmin()

real(kind=rp) function, public math::glmin ( real(kind=rp), dimension(n)  a,
integer, intent(in)  n 
)

Definition at line 368 of file math.f90.

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◆ glsc2()

real(kind=rp) function, public math::glsc2 ( real(kind=rp), dimension(n), intent(in)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, intent(in)  n 
)

Definition at line 835 of file math.f90.

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◆ glsc3()

real(kind=rp) function, public math::glsc3 ( real(kind=rp), dimension(n), intent(in)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 853 of file math.f90.

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◆ glsc4()

real(kind=rp) function, public math::glsc4 ( real(kind=rp), dimension(n), intent(in)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), dimension(n), intent(in)  d,
integer, intent(in)  n 
)

Definition at line 870 of file math.f90.

◆ glsum()

real(kind=rp) function, public math::glsum ( real(kind=rp), dimension(n)  a,
integer, intent(in)  n 
)

Definition at line 325 of file math.f90.

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◆ invcol1()

subroutine, public math::invcol1 ( real(kind=rp), dimension(n), intent(inout)  a,
integer, intent(in)  n 
)

Definition at line 434 of file math.f90.

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◆ invcol2()

subroutine, public math::invcol2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, intent(in)  n 
)

Definition at line 674 of file math.f90.

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◆ invcol3()

subroutine, public math::invcol3 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 446 of file math.f90.

◆ invers2()

subroutine, public math::invers2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, intent(in)  n 
)

Definition at line 459 of file math.f90.

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◆ izero()

subroutine, public math::izero ( integer, dimension(n), intent(inout)  a,
integer, intent(in)  n 
)

Definition at line 194 of file math.f90.

◆ masked_copy()

subroutine, public math::masked_copy ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
integer, dimension(0:m)  mask,
integer, intent(in)  n,
integer, intent(in)  m 
)
Parameters
aDestination array of size n.
bSource array of size n.
maskMask array of length m+1, where mask(0) =m the length of the mask array.
nSize of the arrays a and b.
mSize of the mask array mask.

Definition at line 246 of file math.f90.

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◆ p_update()

subroutine, public math::p_update ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), intent(in)  c1,
real(kind=rp), intent(in)  c2,
integer, intent(in)  n 
)

Definition at line 805 of file math.f90.

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◆ qabscmp()

pure logical function math::qabscmp ( real(kind=qp), intent(in)  x,
real(kind=qp), intent(in)  y 
)
private

Definition at line 130 of file math.f90.

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◆ qrelcmp()

pure logical function math::qrelcmp ( real(kind=qp), intent(in)  x,
real(kind=qp), intent(in)  y,
real(kind=qp), intent(in), optional  eps 
)
private

Definition at line 169 of file math.f90.

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◆ reorddp()

subroutine math::reorddp ( real(kind=rp), dimension(n), intent(inout)  b,
integer, dimension(n), intent(in)  ind,
integer, intent(in)  n 
)
private
Parameters
[in,out]bvector to be reordered
[in]indpermutation array
[in]narray size

Definition at line 1048 of file math.f90.

◆ reordi4()

subroutine math::reordi4 ( integer(i4), dimension(n), intent(inout)  b,
integer, dimension(n), intent(in)  ind,
integer, intent(in)  n 
)
private
Parameters
[in,out]bvector to be reordered
[in]indpermutation array
[in]narray size

Definition at line 1068 of file math.f90.

◆ rone()

subroutine, public math::rone ( real(kind=rp), dimension(n), intent(inout)  a,
integer, intent(in)  n 
)

Definition at line 216 of file math.f90.

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◆ row_zero()

subroutine, public math::row_zero ( real(kind=rp), dimension(m,n), intent(inout)  a,
integer, intent(in)  m,
integer, intent(in)  n,
integer, intent(in)  e 
)

Definition at line 205 of file math.f90.

◆ rzero()

subroutine, public math::rzero ( real(kind=rp), dimension(n), intent(inout)  a,
integer, intent(in)  n 
)

Definition at line 183 of file math.f90.

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◆ sabscmp()

pure logical function math::sabscmp ( real(kind=sp), intent(in)  x,
real(kind=sp), intent(in)  y 
)
private

Definition at line 110 of file math.f90.

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◆ sorti4()

subroutine math::sorti4 ( integer(i4), dimension(n), intent(inout)  a,
integer, dimension(n), intent(out)  ind,
integer, intent(in)  n 
)
private

Following p 231 Num. Rec., 1st Ed.

Parameters
[in,out]avector to be sorted
[out]indpermutation array
[in]narray size

Definition at line 952 of file math.f90.

◆ sortrp()

subroutine math::sortrp ( real(kind=rp), dimension(n), intent(inout)  a,
integer, dimension(n), intent(out)  ind,
integer, intent(in)  n 
)
private

Following p 231 Num. Rec., 1st Ed.

Parameters
[in,out]avector to be sorted
[out]indpermutation array
[in]narray size

Definition at line 894 of file math.f90.

◆ srelcmp()

pure logical function math::srelcmp ( real(kind=sp), intent(in)  x,
real(kind=sp), intent(in)  y,
real(kind=sp), intent(in), optional  eps 
)
private

Definition at line 140 of file math.f90.

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◆ sub2()

subroutine, public math::sub2 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(inout)  b,
integer, intent(in)  n 
)

Definition at line 588 of file math.f90.

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◆ sub3()

subroutine, public math::sub3 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 601 of file math.f90.

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◆ subcol3()

subroutine, public math::subcol3 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
integer, intent(in)  n 
)

Definition at line 715 of file math.f90.

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◆ subcol4()

subroutine, public math::subcol4 ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), dimension(n), intent(in)  d,
integer, intent(in)  n 
)

Definition at line 745 of file math.f90.

◆ swapdp()

subroutine math::swapdp ( real(kind=rp), dimension(n), intent(inout)  b,
integer, dimension(n), intent(in)  ind,
integer, intent(in)  n 
)
private
Parameters
[in,out]bvector to be reordered
[in]indpermutation array
[in]narray size

Definition at line 1008 of file math.f90.

◆ swapi4()

subroutine math::swapi4 ( integer(i4), dimension(n), intent(inout)  b,
integer, dimension(n), intent(in)  ind,
integer, intent(in)  n 
)
private
Parameters
[in,out]bvector to be reordered
[in]indpermutation array
[in]narray size

Definition at line 1028 of file math.f90.

◆ vcross()

subroutine, public math::vcross ( real(kind=rp), dimension(n), intent(out)  u1,
real(kind=rp), dimension(n), intent(out)  u2,
real(kind=rp), dimension(n), intent(out)  u3,
real(kind=rp), dimension(n), intent(in)  v1,
real(kind=rp), dimension(n), intent(in)  v2,
real(kind=rp), dimension(n), intent(in)  v3,
real(kind=rp), dimension(n), intent(in)  w1,
real(kind=rp), dimension(n), intent(in)  w2,
real(kind=rp), dimension(n), intent(in)  w3,
integer, intent(in)  n 
)

Definition at line 473 of file math.f90.

◆ vdot2()

subroutine, public math::vdot2 ( real(kind=rp), dimension(n), intent(out)  dot,
real(kind=rp), dimension(n), intent(in)  u1,
real(kind=rp), dimension(n), intent(in)  u2,
real(kind=rp), dimension(n), intent(in)  v1,
real(kind=rp), dimension(n), intent(in)  v2,
integer, intent(in)  n 
)

Definition at line 490 of file math.f90.

◆ vdot3()

subroutine, public math::vdot3 ( real(kind=rp), dimension(n), intent(out)  dot,
real(kind=rp), dimension(n), intent(in)  u1,
real(kind=rp), dimension(n), intent(in)  u2,
real(kind=rp), dimension(n), intent(in)  u3,
real(kind=rp), dimension(n), intent(in)  v1,
real(kind=rp), dimension(n), intent(in)  v2,
real(kind=rp), dimension(n), intent(in)  v3,
integer, intent(in)  n 
)

Definition at line 504 of file math.f90.

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◆ vlmax()

real(kind=rp) function, public math::vlmax ( real(kind=rp), dimension(n), intent(in)  vec,
integer  n 
)

Definition at line 411 of file math.f90.

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◆ vlmin()

real(kind=rp) function, public math::vlmin ( real(kind=rp), dimension(n), intent(in)  vec,
integer, intent(in)  n 
)

Definition at line 422 of file math.f90.

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◆ vlsc2()

real(kind=rp) function, public math::vlsc2 ( real(kind=rp), dimension(n), intent(in)  u,
real(kind=rp), dimension(n), intent(in)  v,
integer, intent(in)  n 
)

Definition at line 532 of file math.f90.

◆ vlsc3()

real(kind=rp) function, public math::vlsc3 ( real(kind=rp), dimension(n), intent(in)  u,
real(kind=rp), dimension(n), intent(in)  v,
real(kind=rp), dimension(n), intent(in)  w,
integer, intent(in)  n 
)

Definition at line 518 of file math.f90.

◆ x_update()

subroutine, public math::x_update ( real(kind=rp), dimension(n), intent(inout)  a,
real(kind=rp), dimension(n), intent(in)  b,
real(kind=rp), dimension(n), intent(in)  c,
real(kind=rp), intent(in)  c1,
real(kind=rp), intent(in)  c2,
integer, intent(in)  n 
)

Definition at line 820 of file math.f90.

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Variable Documentation

◆ neko_eps

real(kind=rp), parameter, public math::neko_eps = epsilon(1.0_rp)

Definition at line 67 of file math.f90.

◆ neko_m_ln2

real(kind=rp), parameter, public math::neko_m_ln2 = log(2.0_rp)

Definition at line 70 of file math.f90.

◆ pi

real(kind=rp), parameter, public math::pi = 4._rp*atan(1._rp)

Definition at line 73 of file math.f90.