/home/abui...IG/dsxt1.f(3)

🌸 NAME 🌸

okay so bestie, this page is from the Library Functions Manual — specifically /home/abui...IG/dsxt1.f(3), no cap. The file path it's named after is:

/home/abuild/rpmbuild/BUILD/lapack-static-3.12.0-build/lapack-3.12.0/TESTING/EIG/dsxt1.f

and that's the whole NAME section, periodt. 💅

---

✨ SYNOPSIS ✨

Functions/Subroutines 🧚

       double precision function DSXT1 (ijob, d1, n1, d2, n2, abstol, ulp,
           unfl)
           DSXT1

---

💅 Function/Subroutine Documentation 💅

here's the full signature, bestie — every character kept exactly:

       double precision function DSXT1 (integer ijob, double precision, dimension(
           * ) d1, integer n1, double precision, dimension( * ) d2, integer n2,
           double precision abstol, double precision ulp, double precision unfl)
       DSXT1

DSXT1 💫

Purpose 💡

the docblock says, and I quote the vibe: DSXT1 computes the difference between a set of eigenvalues. The result is returned as the function value.

and then it drops the two IJOB cases, bestie:

IJOB = 1:   Computes   max { min | D1(i)-D2(j) | }
                      i     j

IJOB = 2:   Computes   max { min | D1(i)-D2(j) | /
                      i     j
                           ( ABSTOL + |D1(i)|*ULP ) }

Parameters 🔍

okay, every single parameter, no skipping:

• IJOB — IJOB is INTEGER. Specifies the type of tests to be performed. (See above.) 👀
• D1 — D1 is DOUBLE PRECISION array, dimension (N1). The first array. D1 should be in increasing order, i.e., D1(j) <= D1(j+1).
• N1 — N1 is INTEGER. The length of D1.
• D2 — D2 is DOUBLE PRECISION array, dimension (N2). The second array. D2 should be in increasing order, i.e., D2(j) <= D2(j+1).
• N2 — N2 is INTEGER. The length of D2.
• ABSTOL — ABSTOL is DOUBLE PRECISION. The absolute tolerance, used as a measure of the error.
• ULP — ULP is DOUBLE PRECISION. Machine precision.
• UNFL — UNFL is DOUBLE PRECISION. The smallest positive number whose reciprocal does not overflow.

Author 👑

the author credits are, in order:

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

Definition at line 104 of file dsxt1.f. 💾

Author 💖 (the automatic one)

Generated automatically by Doxygen for LAPACK from the source code.

---

mwah 💋 that's the whole page, bestie — signed off from LAPACK, version 3.12.0, dated /home/abui...IG/dsxt1.f(3). 🫶✨