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Ensure step time is at least 1 second 

When configured to perform a very quick transition, the step time for 25
kelvin may end up being less than 1 second, rounding to zero. A zero
step time does not make any sense.
master
Kenny Levinsen 2022-05-02 10:44:21 +02:00
parent 2e7d793bb6
commit 09c5e9a8dd
1 changed files with 8 additions and 4 deletions
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12
main.c
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@ -82,6 +82,10 @@ static time_t longitude_time_offset(double longitude) {
return longitude * 43200 / M_PI;
}
static int max(int a, int b) {
return a > b ? a : b;
}
struct config {
int high_temp;
int low_temp;
@ -241,10 +245,10 @@ done:
ctx->condition = cond;
int temp_diff = ctx->config.high_temp - ctx->config.low_temp;
ctx->dawn_step_time = (ctx->sun.sunrise - ctx->sun.dawn) *
anim_kelvin_step / temp_diff;
ctx->dusk_step_time = (ctx->sun.dusk - ctx->sun.sunset) *
anim_kelvin_step / temp_diff;
ctx->dawn_step_time = max(1, (ctx->sun.sunrise - ctx->sun.dawn) *
anim_kelvin_step / temp_diff);
ctx->dusk_step_time = max(1, (ctx->sun.dusk - ctx->sun.sunset) *
anim_kelvin_step / temp_diff);
print_trajectory(ctx);
}