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author | Jaron Kent-Dobias <jaron@kent-dobias.com> | 2017-02-10 12:18:11 -0500 |
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committer | Jaron Kent-Dobias <jaron@kent-dobias.com> | 2017-02-10 12:18:11 -0500 |
commit | 901b9f16494f37890be17ef4bb66e6efc6873340 (patch) | |
tree | 03e5f1769cbdb89eb1b4c45c16dc7d867184efaf /lib/rand.c | |
parent | 1e1fdfc2e3892667bccaf317a01defd8832041c7 (diff) | |
download | fuse_networks-901b9f16494f37890be17ef4bb66e6efc6873340.tar.gz fuse_networks-901b9f16494f37890be17ef4bb66e6efc6873340.tar.bz2 fuse_networks-901b9f16494f37890be17ef4bb66e6efc6873340.zip |
changed code to rely on jst
Diffstat (limited to 'lib/rand.c')
-rw-r--r-- | lib/rand.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/lib/rand.c b/lib/rand.c new file mode 100644 index 0000000..16aeba4 --- /dev/null +++ b/lib/rand.c @@ -0,0 +1,15 @@ + +#include "fracture.h" + +long double rand_dist_pow(const gsl_rng *r, double beta) { + long double x = 0; + + // underflow means that for very small beta x is sometimes identically zero, + // which causes problems + while (x == 0.0) { + long double y = logl(gsl_rng_uniform_pos(r)) / beta; + x = expl(y); + } + + return x; +} |