lis_vector_get_range(3f)

💖 NAME 💖

lis_vector_get_range — bestie, this is how you find out where your partial vector is actually living inside the big global vector 🗺️✨

It's from the Lis Library Functions manual, and it's genuinely one of those tiny utilities that saves your whole day. Obsessed.

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🌸 SYNOPSIS 🌸

subroutine lis_vector_get_range(LIS_VECTOR v, LIS_INTEGER *is,
LIS_INTEGER *ie, LIS_INTEGER ierr);

okay so it's a subroutine, not a function, so the answers come back through is and ie — no cap, that's just how Fortran does it 🫶

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🦋 DESCRIPTION 🦋

Get the location of the partial vector v in the global vector. That's it, that's the whole vibe — you hand it your little slice of the vector and it tells you which chunk of the big vector you're holding 💅

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🎀 INPUT 🎀

• v — The partial vector. Your little piece of the pie 🍓

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✨ OUTPUT ✨

• is — The location where the partial vector v starts in the global vector 🌸
• ie — The location where the partial vector v ends in the global vector 🌈

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💜 NOTE 💜

For the serial and multithreaded environments, a vector of size n results in is = 0 and ie = n.

Like... every single element is yours, main character energy, the whole vector is your range. No splitting, no drama 🧚

lowkey important: this is specifically about the serial and multithreaded environments. Don't go assuming it holds everywhere, bestie 🙈

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👑 SEE ALSO 👑

• lis(3)
• http://www.ssisc.org/lis/

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fr fr, that's the whole page — written 6 Sep 2012, straight out of the Lis Library Functions manual, and this cutie is titled lis_vector_get_range(3f). slay, go get your range 💖✨🎀