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dims(x) on array[ , ] vector[ ] x outputs a size 4 array instead of size 3 #3273
Description
// test_dims.stan
data {
}
parameters {
array[1, 1] vector[1] x;
}
transformed parameters {
print("dims(x): ", dims(x));
}
model {
x[1, 1, 1] ~ std_normal();
}Using cmdstan 2.38
library(cmdstanr)
mod_test <- cmdstan_model("test_dims.stan")
mod_test$sample()Output
Chain 3 dims(x): [1,1,1,1]
Chain 3 dims(x): [1,1,1,1]
Chain 3 dims(x): [1,1,1,1]
Activity
deveshvaidyaofficial commentedon Oct 23, 2026
Working on this issue , raising a PR soon
deveshvaidyaofficial commentedon Oct 23, 2026
Have raised PR #3482 for closing this issue
Would request the maintainers to mark this as a
Bug Fix