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ac-nh-turnip-prices
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Better precision for floating point stuff

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master
Mike Bryant 5 years ago
parent 2b34928f8e
commit 98e2dec711
1 changed files with 38 additions and 38 deletions
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76
js/scripts.js
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@ -1,9 +1,9 @@
function minimum_rate_from_given_and_base(given_price, buy_price) { function minimum_rate_from_given_and_base(given_price, buy_price) {
return (given_price - 1) / buy_price; return 10000 * (given_price - 1) / buy_price;
} }
function maximum_rate_from_given_and_base(given_price, buy_price) { function maximum_rate_from_given_and_base(given_price, buy_price) {
return given_price / buy_price; return 10000 * given_price / buy_price;
} }
function* generate_pattern_0_with_lengths(given_prices, high_phase_1_len, dec_phase_1_len, high_phase_2_len, dec_phase_2_len, high_phase_3_len) { function* generate_pattern_0_with_lengths(given_prices, high_phase_1_len, dec_phase_1_len, high_phase_2_len, dec_phase_2_len, high_phase_3_len) {
@ -81,11 +81,11 @@ function* generate_pattern_0_with_lengths(given_prices, high_phase_1_len, dec_ph
} }
// Dec Phase 1 // Dec Phase 1
var min_rate = 0.6; var min_rate = 6000;
var max_rate = 0.8; var max_rate = 8000;
for (var i = 2 + high_phase_1_len; i < 2 + high_phase_1_len + dec_phase_1_len; i++) { for (var i = 2 + high_phase_1_len; i < 2 + high_phase_1_len + dec_phase_1_len; i++) {
min_pred = Math.floor(min_rate * buy_price); min_pred = Math.floor(min_rate * buy_price / 10000);
max_pred = Math.ceil(max_rate * buy_price); max_pred = Math.ceil(max_rate * buy_price / 10000);
if (!isNaN(given_prices[i])) { if (!isNaN(given_prices[i])) {
@ -104,8 +104,8 @@ function* generate_pattern_0_with_lengths(given_prices, high_phase_1_len, dec_ph
max: max_pred, max: max_pred,
}); });
min_rate -= 0.1; min_rate -= 1000;
max_rate -= 0.04; max_rate -= 400;
} }
// High Phase 2 // High Phase 2
@ -128,11 +128,11 @@ function* generate_pattern_0_with_lengths(given_prices, high_phase_1_len, dec_ph
} }
// Dec Phase 2 // Dec Phase 2
var min_rate = 0.6; var min_rate = 6000;
var max_rate = 0.8; var max_rate = 8000;
for (var i = 2 + high_phase_1_len + dec_phase_1_len + high_phase_2_len; i < 2 + high_phase_1_len + dec_phase_1_len + high_phase_2_len + dec_phase_2_len; i++) { for (var i = 2 + high_phase_1_len + dec_phase_1_len + high_phase_2_len; i < 2 + high_phase_1_len + dec_phase_1_len + high_phase_2_len + dec_phase_2_len; i++) {
min_pred = Math.floor(min_rate * buy_price); min_pred = Math.floor(min_rate * buy_price / 10000);
max_pred = Math.ceil(max_rate * buy_price); max_pred = Math.ceil(max_rate * buy_price / 10000);
if (!isNaN(given_prices[i])) { if (!isNaN(given_prices[i])) {
@ -151,8 +151,8 @@ function* generate_pattern_0_with_lengths(given_prices, high_phase_1_len, dec_ph
max: max_pred, max: max_pred,
}); });
min_rate -= 0.1; min_rate -= 1000;
max_rate -= 0.04; max_rate -= 400;
} }
// High Phase 3 // High Phase 3
@ -235,12 +235,12 @@ function* generate_pattern_1_with_peak(given_prices, peak_start) {
}, },
]; ];
var min_rate = 0.85; var min_rate = 8500;
var max_rate = 0.9; var max_rate = 9000;
for (var i = 2; i < peak_start; i++) { for (var i = 2; i < peak_start; i++) {
min_pred = Math.floor(min_rate * buy_price); min_pred = Math.floor(min_rate * buy_price / 10000);
max_pred = Math.ceil(max_rate * buy_price); max_pred = Math.ceil(max_rate * buy_price / 10000);
if (!isNaN(given_prices[i])) { if (!isNaN(given_prices[i])) {
@ -259,8 +259,8 @@ function* generate_pattern_1_with_peak(given_prices, peak_start) {
max: max_pred, max: max_pred,
}); });
min_rate -= 0.05; min_rate -= 500;
max_rate -= 0.03; max_rate -= 300;
} }
// Now each day is independent of next // Now each day is independent of next
@ -324,11 +324,11 @@ function* generate_pattern_2(given_prices) {
}, },
]; ];
var min_rate = 0.85; var min_rate = 8500;
var max_rate = 0.9; var max_rate = 9000;
for (var i = 2; i < 14; i++) { for (var i = 2; i < 14; i++) {
min_pred = Math.floor(min_rate * buy_price); min_pred = Math.floor(min_rate * buy_price / 10000);
max_pred = Math.ceil(max_rate * buy_price); max_pred = Math.ceil(max_rate * buy_price / 10000);
if (!isNaN(given_prices[i])) { if (!isNaN(given_prices[i])) {
@ -347,8 +347,8 @@ function* generate_pattern_2(given_prices) {
max: max_pred, max: max_pred,
}); });
min_rate -= 0.05; min_rate -= 500;
max_rate -= 0.03; max_rate -= 300;
} }
yield { yield {
pattern_description: "always decreasing", pattern_description: "always decreasing",
@ -404,12 +404,12 @@ function* generate_pattern_3_with_peak(given_prices, peak_start) {
}, },
]; ];
var min_rate = 0.4; var min_rate = 4000;
var max_rate = 0.9; var max_rate = 9000;
for (var i = 2; i < peak_start; i++) { for (var i = 2; i < peak_start; i++) {
min_pred = Math.floor(min_rate * buy_price); min_pred = Math.floor(min_rate * buy_price / 10000);
max_pred = Math.ceil(max_rate * buy_price); max_pred = Math.ceil(max_rate * buy_price / 10000);
if (!isNaN(given_prices[i])) { if (!isNaN(given_prices[i])) {
@ -428,8 +428,8 @@ function* generate_pattern_3_with_peak(given_prices, peak_start) {
max: max_pred, max: max_pred,
}); });
min_rate -= 0.05; min_rate -= 500;
max_rate -= 0.03; max_rate -= 300;
} }
// The peak // The peak
@ -477,12 +477,12 @@ function* generate_pattern_3_with_peak(given_prices, peak_start) {
} }
if (peak_start+5 < 14) { if (peak_start+5 < 14) {
var min_rate = 0.4; var min_rate = 4000;
var max_rate = 0.9; var max_rate = 9000;
for (var i = peak_start+5; i < 14; i++) { for (var i = peak_start+5; i < 14; i++) {
min_pred = Math.floor(min_rate * buy_price); min_pred = Math.floor(min_rate * buy_price / 10000);
max_pred = Math.ceil(max_rate * buy_price); max_pred = Math.ceil(max_rate * buy_price / 10000);
if (!isNaN(given_prices[i])) { if (!isNaN(given_prices[i])) {
@ -501,8 +501,8 @@ function* generate_pattern_3_with_peak(given_prices, peak_start) {
max: max_pred, max: max_pred,
}); });
min_rate -= 0.05; min_rate -= 500;
max_rate -= 0.03; max_rate -= 300;
} }
} }

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