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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:54:23 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-07-24 09:54:44 +0000 |
commit | 836b47cb7e99a977c5a23b059ca1d0b5065d310e (patch) | |
tree | 1604da8f482d02effa033c94a84be42bc0c848c3 /web/server/h2o/libh2o/deps/klib/test/kmin_test.c | |
parent | Releasing debian version 1.44.3-2. (diff) | |
download | netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.tar.xz netdata-836b47cb7e99a977c5a23b059ca1d0b5065d310e.zip |
Merging upstream version 1.46.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'web/server/h2o/libh2o/deps/klib/test/kmin_test.c')
-rw-r--r-- | web/server/h2o/libh2o/deps/klib/test/kmin_test.c | 48 |
1 files changed, 0 insertions, 48 deletions
diff --git a/web/server/h2o/libh2o/deps/klib/test/kmin_test.c b/web/server/h2o/libh2o/deps/klib/test/kmin_test.c deleted file mode 100644 index 33ccd1cbc..000000000 --- a/web/server/h2o/libh2o/deps/klib/test/kmin_test.c +++ /dev/null @@ -1,48 +0,0 @@ -#include <stdio.h> -#include <math.h> -#include "kmath.h" - -static int n_evals; - -double f_Chebyquad(int n, double *x, void *data) -{ - int i, j; - double y[20][20], f; - int np, iw; - double sum; - for (j = 0; j != n; ++j) { - y[0][j] = 1.; - y[1][j] = 2. * x[j] - 1.; - } - for (i = 1; i != n; ++i) - for (j = 0; j != n; ++j) - y[i+1][j] = 2. * y[1][j] * y[i][j] - y[i-1][j]; - f = 0.; - np = n + 1; - iw = 1; - for (i = 0; i != np; ++i) { - sum = 0.; - for (j = 0; j != n; ++j) sum += y[i][j]; - sum /= n; - if (iw > 0) sum += 1. / ((i - 1) * (i + 1)); - iw = -iw; - f += sum * sum; - } - ++n_evals; - return f; -} - -int main() -{ - double x[20], y; - int n, i; - printf("\nMinimizer: Hooke-Jeeves\n"); - for (n = 2; n <= 8; n += 2) { - for (i = 0; i != n; ++i) x[i] = (double)(i + 1) / n; - n_evals = 0; - y = kmin_hj(f_Chebyquad, n, x, 0, KMIN_RADIUS, KMIN_EPS, KMIN_MAXCALL); - printf("n=%d,min=%.8lg,n_evals=%d\n", n, y, n_evals); - } - printf("\n"); - return 0; -} |