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Spectral-norm: Change / 2 into * 0.5 to see the impact on nightly testing #19349

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merged 1 commit into from Mar 3, 2022
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Spectral-norm: Change / 2 into * 0.5 to see the impact on nightly testing #19349

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10 changes: 5 additions & 5 deletions test/studies/shootout/spectral-norm/bradc/spectralnorm-blc.chpl
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@@ -1,15 +1,15 @@
/* The Computer Language Benchmarks Game
https://salsa.debian.org/benchmarksgame-team/benchmarksgame/

contributed by Lydia Duncan, Albert Sidelnik, and Brad Chamberlain
derived from the Chapel version by Lydia Duncan et al. and the
Julia version by TODO
contributed by Brad Chamberlain
derived from the Chapel version by Lydia Duncan et al.
and the Julia version by Adam Beckmeyer and Vincent Yu
*/

config const n = 500; // the size of A (n x n), u and v (n-vectors)

proc main() {
var tmp, u, v: [0..#n] real;
var tmp, u, v: [0..<n] real;

u = 1.0;

Expand Down Expand Up @@ -49,5 +49,5 @@ proc multiplyAtv(v: [?Dv], Atv: [?DAtv]) {
// Compute element i,j of the conceptually infinite matrix A
//
inline proc A(i: real, j: real) {
return 1.0 / ((((i+j) * (i+j+1)) / 2) + i + 1);
return 1.0 / ((((i+j) * (i+j+1)) * 0.5) + i + 1);
}