SRC/dlasrt.f(3)

💖 NAME 💖

okay so bestie, welcome to SRC/dlasrt.f(3) — that's the page, and it's from the Library Functions Manual. The NAME itself is just SRC/dlasrt.f, and she's here to sort your numbers. iconic. ✨

✨ SYNOPSIS ✨

🧚 Functions/Subroutines 🧚

• subroutine dlasrt (id, n, d, info) — DLASRT sorts numbers in increasing or decreasing order. 💅

🌸 Function/Subroutine Documentation 🌸

🫶 subroutine dlasrt 🫶

   subroutine dlasrt (character id, integer n, double precision, dimension( * )
       d, integer info)

DLASRT sorts numbers in increasing or decreasing order. no cap, that's the whole job. 🎀

🎀 Purpose 🎀

• Sort the numbers in D in increasing order (if ID = 'I') or in decreasing order (if ID = 'D'). 💖
• Use Quick Sort, reverting to Insertion sort on arrays of size <= 20. 🦋
• Dimension of STACK limits N to about 2**32. 👑

🌈 Parameters 🌈

• ID — ID is CHARACTER*1
  • = 'I': sort D in increasing order;
  • = 'D': sort D in decreasing order.
• N — N is INTEGER
  • The length of the array D.
• D — D is DOUBLE PRECISION array, dimension (N)
  • On entry, the array to be sorted.
  • On exit, D has been sorted into increasing order (D(1) <= ... <= D(N) ) or into decreasing order (D(1) >= ... >= D(N) ), depending on ID.
• INFO — INFO is INTEGER
  • = 0: successful exit
  • < 0: if INFO = -i, the i-th argument had an illegal value

👑 Author 👑

• Univ. of Tennessee
• Univ. of California Berkeley
• Univ. of Colorado Denver
• NAG Ltd.

Definition at line 87 of file dlasrt.f. 🫶

💀 Author 💀

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