R Under development (unstable) (2024-03-18 r86148 ucrt) -- "Unsuffered Consequences"
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Platform: x86_64-w64-mingw32/x64

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> library(magrittr)
> library(unittest)
> 
> library(gadget3)
> 
> prey_a <- g3_stock('prey_a', c(1)) %>% g3s_age(3, 5)
> # NB: 1 per age, starting at 3
> naturalmortality_prey_a <- c(0.6, 0.7, 0.1)
> 
> step0_prey_a__num <- g3_stock_instance(prey_a)
> step0_prey_a__wgt <- g3_stock_instance(prey_a)
> step1_prey_a__num <- g3_stock_instance(prey_a)
> step1_prey_a__wgt <- g3_stock_instance(prey_a)
> step2_prey_a__num <- g3_stock_instance(prey_a)
> step2_prey_a__wgt <- g3_stock_instance(prey_a)
> step3_prey_a__num <- g3_stock_instance(prey_a)
> step3_prey_a__wgt <- g3_stock_instance(prey_a)
> 
> actions <- list(
+     g3a_time(2000, 2000, step_lengths = c(3, 3, 5, 1), project_years = 0),
+     g3a_initialconditions(
+         prey_a,
+         ~10 * age + prey_a__midlen * 0,
+         ~100 * age + prey_a__midlen * 0),
+     g3a_naturalmortality(
+         prey_a,
+         g3a_naturalmortality_exp(~naturalmortality_prey_a[[age - 3 + 1]]),
+         run_f = ~cur_time > 0),  # NB: No mortality on the first step
+     list(
+         '999' = ~{
+             if (cur_time == 0) {
+                 step0_prey_a__num[] <- prey_a__num
+                 step0_prey_a__wgt[] <- prey_a__wgt
+                 REPORT(step0_prey_a__num)
+                 REPORT(step0_prey_a__wgt)
+             } else if (cur_time == 1) {
+                 step1_prey_a__num[] <- prey_a__num
+                 step1_prey_a__wgt[] <- prey_a__wgt
+                 REPORT(step1_prey_a__num)
+                 REPORT(step1_prey_a__wgt)
+             } else if (cur_time == 2) {
+                 step2_prey_a__num[] <- prey_a__num
+                 step2_prey_a__wgt[] <- prey_a__wgt
+                 REPORT(step2_prey_a__num)
+                 REPORT(step2_prey_a__wgt)
+             } else if (cur_time == 3) {
+                 step3_prey_a__num[] <- prey_a__num
+                 step3_prey_a__wgt[] <- prey_a__wgt
+                 REPORT(step3_prey_a__num)
+                 REPORT(step3_prey_a__wgt)
+             }
+             REPORT(step3_prey_a__num)
+             REPORT(step3_prey_a__wgt)
+ 
+             nll <- nll + g3_param('x', value = 1.0)
+         }))
> 
> # Compile model
> model_fn <- g3_to_r(actions)
> # model_fn <- edit(model_fn)
> if (nzchar(Sys.getenv('G3_TEST_TMB'))) {
+     model_cpp <- g3_to_tmb(actions, trace = FALSE)
+     # model_cpp <- edit(model_cpp)
+     model_tmb <- g3_tmb_adfun(model_cpp, compile_flags = c("-O0", "-g"))
+ } else {
+     writeLines("# skip: not compiling TMB model")
+ }
# skip: not compiling TMB model
> 
> ok_group("natural mortality", {
+     params <- attr(model_fn, 'parameter_template')
+ 
+     result <- model_fn(params)
+     r <- attributes(result)
+     # str(result)
+     # str(as.list(r), vec.len = 10000)
+ 
+     # Step 0
+     ok(ut_cmp_identical(as.vector(r$step0_prey_a__num), c(30, 40, 50)), "step0_prey_a__num: Natural mortality disabled by run_f")
+     ok(ut_cmp_identical(as.vector(r$step0_prey_a__wgt), c(300, 400, 500)), "step0_prey_a__wgt: Weight unchanged")
+ 
+     # Step 1
+     ok(ut_cmp_identical(as.vector(r$step1_prey_a__num), c(
+         30 * exp(-0.6 * 3 * (1/12)),
+         40 * exp(-0.7 * 3 * (1/12)),
+         50 * exp(-0.1 * 3 * (1/12)))), "step1_prey_a__num: Natural mortality reduced using exp(vec)")
+     ok(ut_cmp_identical(as.vector(r$step1_prey_a__wgt), c(300, 400, 500)), "step1_prey_a__wgt: Weight unchanged")
+ 
+     # Step 2
+     ok(ut_cmp_identical(as.vector(r$step2_prey_a__num), c(
+         30 * exp(-0.6 * 3 * (1/12)) * exp(-0.6 * 5 * (1/12)),
+         40 * exp(-0.7 * 3 * (1/12)) * exp(-0.7 * 5 * (1/12)),
+         50 * exp(-0.1 * 3 * (1/12)) * exp(-0.1 * 5 * (1/12)))), "step2_prey_a__num: Reduced again, used different step size")
+     ok(ut_cmp_identical(as.vector(r$step2_prey_a__wgt), c(300, 400, 500)), "step2_prey_a__wgt: Weight unchanged")
+ 
+     # Step 3
+     ok(ut_cmp_identical(as.vector(r$step3_prey_a__num), c(
+         30 * exp(-0.6 * 3 * (1/12)) * exp(-0.6 * 5 * (1/12)) * exp(-0.6 * 1 * (1/12)),
+         40 * exp(-0.7 * 3 * (1/12)) * exp(-0.7 * 5 * (1/12)) * exp(-0.7 * 1 * (1/12)),
+         50 * exp(-0.1 * 3 * (1/12)) * exp(-0.1 * 5 * (1/12)) * exp(-0.1 * 1 * (1/12)))), "step3_prey_a__num: Reduced one more time, using another step size")
+     ok(ut_cmp_identical(as.vector(r$step3_prey_a__wgt), c(300, 400, 500)), "step3_prey_a__wgt: Weight unchanged")
+ 
+     if (nzchar(Sys.getenv('G3_TEST_TMB'))) {
+         param_template <- attr(model_cpp, "parameter_template")
+         param_template$value <- params[param_template$switch]
+         gadget3:::ut_tmb_r_compare(model_fn, model_tmb, param_template)
+     }
+ })
# natural mortality
ok - step0_prey_a__num: Natural mortality disabled by run_f
ok - step0_prey_a__wgt: Weight unchanged
ok - step1_prey_a__num: Natural mortality reduced using exp(vec)
ok - step1_prey_a__wgt: Weight unchanged
ok - step2_prey_a__num: Reduced again, used different step size
ok - step2_prey_a__wgt: Weight unchanged
ok - step3_prey_a__num: Reduced one more time, using another step size
ok - step3_prey_a__wgt: Weight unchanged
> 
> proc.time()
   user  system elapsed 
   0.37    0.09    0.46 
# Looks like you passed all 8 tests.