lis_vector_set_value(3f)

💖 lis_vector_set_value(3f) — the "put a number in the vector" page 💖

okay so bestie, welcome to lis_vector_set_value(3f), one of the Lis Library Functions — the Fortran-callable ones, iykyk 🦋. She's little, she's simple, she's lowkey iconic, and she does exactly one thing: she slides a scalar into a row of your vector. no cap. let's get into it ✨

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🌸 NAME 🌸

lis_vector_set_value — assign the scalar value to the row of the vector 🎀

fr fr that's the whole job. one value, one row, zero drama 💅

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✨ SYNOPSIS ✨

subroutine lis_vector_set_value(LIS_INTEGER flag, LIS_INTEGER i,
LIS_SCALAR value, LIS_VECTOR v, LIS_INTEGER ierr);

five arguments, that's it. so clean, so demure 🌸

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💜 DESCRIPTION 💜

Assign the scalar value to the i-th row of the vector v.

that's literally it bestie. you hand her a flag telling her how to combine the value with what's already there, a row index, the scalar itself, and the destination vector — and she goes to work. main character energy, no notes 👑

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🍓 INPUT 🍓

• flag — the vibe selector. it tells her whether you're replacing what's in that row or adding to it:
  • LIS_INS_VALUE — v[i] = value 💖 so she inserts your value, straight up, no math, no questions asked.
  • LIS_ADD_VALUE — v[i] = v[i] + value ✨ so she takes whatever's already chillin' in that row, adds your value on top, and that's the new situation. it's giving teamwork.
• i — The location where the value is assigned 📍 that's your row index, bestie.
• value — The scalar value to be assigned. the actual number, the moment, the whole point 🌟
• v — The destination vector. she's the one receiving the glow-up 🫶

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💫 OUTPUT 💫

• v — The vector with the scalar value assigned to the i-th row. she came in mid, she leaves slaying 💅

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🔥 NOTE 🔥

heads up bestie, this one's important for the parallel girlies — For the multiprocessing environment, the i-th row of the global vector must be specified instead of the i-th row of the partial vector. like, global indexing, periodt. don't @ me with your local index, she will not know what you mean 😭

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🌈 SEE ALSO 🌈

• lis(3) — go meet the whole family, she's just one of the girls 💖
• http://www.ssisc.org/lis/ — the mothership, the source, the website ✨

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🎀 sign-off 🎀

that's the page, bestie!! this little cutie comes to you from the Lis Library Functions manual, dated 6 Sep 2012 — vintage but still serving 👑. now go set some values, you absolute legend 🦋💖✨