410 lines
13 KiB
Rust
410 lines
13 KiB
Rust
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/*!
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* Nyash Math Box - Mathematical operations
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*
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* 数学演算を提供するBox型
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* Everything is Box哲学に基づく数学ライブラリ
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*/
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use crate::box_trait::{NyashBox, StringBox, IntegerBox, BoolBox};
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use std::fmt::{Debug, Display};
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use std::any::Any;
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/// 数学演算を提供するBox
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#[derive(Debug, Clone)]
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pub struct MathBox {
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id: u64,
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}
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impl MathBox {
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pub fn new() -> Self {
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static mut COUNTER: u64 = 0;
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let id = unsafe {
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COUNTER += 1;
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COUNTER
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};
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Self { id }
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}
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/// 絶対値を計算
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pub fn abs(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(IntegerBox::new(int_box.value.abs()))
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(FloatBox::new(float_box.value.abs()))
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} else {
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Box::new(StringBox::new("Error: abs() requires numeric input"))
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}
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}
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/// 最大値を返す
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pub fn max(&self, a: Box<dyn NyashBox>, b: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let (Some(a_int), Some(b_int)) = (
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a.as_any().downcast_ref::<IntegerBox>(),
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b.as_any().downcast_ref::<IntegerBox>()
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) {
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Box::new(IntegerBox::new(a_int.value.max(b_int.value)))
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} else if let (Some(a_float), Some(b_float)) = (
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a.as_any().downcast_ref::<FloatBox>(),
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b.as_any().downcast_ref::<FloatBox>()
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) {
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Box::new(FloatBox::new(a_float.value.max(b_float.value)))
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} else {
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Box::new(StringBox::new("Error: max() requires numeric inputs"))
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}
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}
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/// 最小値を返す
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pub fn min(&self, a: Box<dyn NyashBox>, b: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let (Some(a_int), Some(b_int)) = (
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a.as_any().downcast_ref::<IntegerBox>(),
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b.as_any().downcast_ref::<IntegerBox>()
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) {
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Box::new(IntegerBox::new(a_int.value.min(b_int.value)))
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} else if let (Some(a_float), Some(b_float)) = (
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a.as_any().downcast_ref::<FloatBox>(),
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b.as_any().downcast_ref::<FloatBox>()
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) {
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Box::new(FloatBox::new(a_float.value.min(b_float.value)))
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} else {
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Box::new(StringBox::new("Error: min() requires numeric inputs"))
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}
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}
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/// 累乗を計算
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pub fn pow(&self, base: Box<dyn NyashBox>, exp: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let (Some(base_int), Some(exp_int)) = (
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base.as_any().downcast_ref::<IntegerBox>(),
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exp.as_any().downcast_ref::<IntegerBox>()
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) {
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if exp_int.value >= 0 {
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let result = (base_int.value as f64).powi(exp_int.value as i32);
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Box::new(FloatBox::new(result))
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} else {
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Box::new(StringBox::new("Error: negative exponent"))
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}
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} else {
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Box::new(StringBox::new("Error: pow() requires numeric inputs"))
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}
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}
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/// 平方根を計算
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pub fn sqrt(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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if int_box.value >= 0 {
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Box::new(FloatBox::new((int_box.value as f64).sqrt()))
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} else {
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Box::new(StringBox::new("Error: sqrt() of negative number"))
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}
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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if float_box.value >= 0.0 {
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Box::new(FloatBox::new(float_box.value.sqrt()))
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} else {
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Box::new(StringBox::new("Error: sqrt() of negative number"))
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}
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} else {
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Box::new(StringBox::new("Error: sqrt() requires numeric input"))
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}
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}
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/// 円周率πを返す
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#[allow(non_snake_case)]
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pub fn getPi(&self) -> Box<dyn NyashBox> {
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Box::new(FloatBox::new(std::f64::consts::PI))
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}
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/// 自然対数の底eを返す
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#[allow(non_snake_case)]
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pub fn getE(&self) -> Box<dyn NyashBox> {
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Box::new(FloatBox::new(std::f64::consts::E))
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}
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/// サイン（正弦）
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pub fn sin(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(FloatBox::new((int_box.value as f64).sin()))
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(FloatBox::new(float_box.value.sin()))
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} else {
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Box::new(StringBox::new("Error: sin() requires numeric input"))
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}
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}
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/// コサイン（余弦）
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pub fn cos(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(FloatBox::new((int_box.value as f64).cos()))
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(FloatBox::new(float_box.value.cos()))
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} else {
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Box::new(StringBox::new("Error: cos() requires numeric input"))
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}
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}
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/// タンジェント（正接）
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pub fn tan(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(FloatBox::new((int_box.value as f64).tan()))
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(FloatBox::new(float_box.value.tan()))
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} else {
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Box::new(StringBox::new("Error: tan() requires numeric input"))
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}
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}
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/// 自然対数
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pub fn log(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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if int_box.value > 0 {
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Box::new(FloatBox::new((int_box.value as f64).ln()))
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} else {
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Box::new(StringBox::new("Error: log() of non-positive number"))
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}
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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if float_box.value > 0.0 {
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Box::new(FloatBox::new(float_box.value.ln()))
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} else {
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Box::new(StringBox::new("Error: log() of non-positive number"))
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}
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} else {
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Box::new(StringBox::new("Error: log() requires numeric input"))
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}
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}
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/// 常用対数（底10）
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pub fn log10(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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if int_box.value > 0 {
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Box::new(FloatBox::new((int_box.value as f64).log10()))
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} else {
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Box::new(StringBox::new("Error: log10() of non-positive number"))
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}
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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if float_box.value > 0.0 {
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Box::new(FloatBox::new(float_box.value.log10()))
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} else {
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Box::new(StringBox::new("Error: log10() of non-positive number"))
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}
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} else {
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Box::new(StringBox::new("Error: log10() requires numeric input"))
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}
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}
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/// 指数関数（e^x）
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pub fn exp(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(FloatBox::new((int_box.value as f64).exp()))
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(FloatBox::new(float_box.value.exp()))
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} else {
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Box::new(StringBox::new("Error: exp() requires numeric input"))
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}
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}
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/// 床関数（切り下げ）
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pub fn floor(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(IntegerBox::new(int_box.value)) // 整数はそのまま
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(IntegerBox::new(float_box.value.floor() as i64))
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} else {
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Box::new(StringBox::new("Error: floor() requires numeric input"))
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}
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}
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/// 天井関数（切り上げ）
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pub fn ceil(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(IntegerBox::new(int_box.value)) // 整数はそのまま
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(IntegerBox::new(float_box.value.ceil() as i64))
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} else {
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Box::new(StringBox::new("Error: ceil() requires numeric input"))
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}
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}
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/// 四捨五入
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pub fn round(&self, value: Box<dyn NyashBox>) -> Box<dyn NyashBox> {
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if let Some(int_box) = value.as_any().downcast_ref::<IntegerBox>() {
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Box::new(IntegerBox::new(int_box.value)) // 整数はそのまま
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} else if let Some(float_box) = value.as_any().downcast_ref::<FloatBox>() {
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Box::new(IntegerBox::new(float_box.value.round() as i64))
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} else {
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Box::new(StringBox::new("Error: round() requires numeric input"))
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}
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}
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}
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impl NyashBox for MathBox {
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fn type_name(&self) -> &'static str {
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"MathBox"
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}
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fn to_string_box(&self) -> StringBox {
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StringBox::new("MathBox()")
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}
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fn clone_box(&self) -> Box<dyn NyashBox> {
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Box::new(self.clone())
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}
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fn equals(&self, other: &dyn NyashBox) -> BoolBox {
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if let Some(other_math) = other.as_any().downcast_ref::<MathBox>() {
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BoolBox::new(self.id == other_math.id)
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} else {
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BoolBox::new(false)
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}
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}
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fn as_any(&self) -> &dyn Any {
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self
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}
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fn box_id(&self) -> u64 {
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self.id
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}
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}
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impl Display for MathBox {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "MathBox()")
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}
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}
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/// 浮動小数点数Box
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#[derive(Debug, Clone)]
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pub struct FloatBox {
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pub value: f64,
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id: u64,
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}
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impl FloatBox {
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pub fn new(value: f64) -> Self {
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static mut COUNTER: u64 = 0;
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let id = unsafe {
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COUNTER += 1;
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COUNTER
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};
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Self { value, id }
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}
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}
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impl NyashBox for FloatBox {
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fn type_name(&self) -> &'static str {
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"FloatBox"
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}
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fn to_string_box(&self) -> StringBox {
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StringBox::new(&self.value.to_string())
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}
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fn clone_box(&self) -> Box<dyn NyashBox> {
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Box::new(self.clone())
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}
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fn equals(&self, other: &dyn NyashBox) -> BoolBox {
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if let Some(other_float) = other.as_any().downcast_ref::<FloatBox>() {
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BoolBox::new((self.value - other_float.value).abs() < f64::EPSILON)
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} else if let Some(other_int) = other.as_any().downcast_ref::<IntegerBox>() {
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BoolBox::new((self.value - other_int.value as f64).abs() < f64::EPSILON)
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} else {
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BoolBox::new(false)
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}
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}
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fn as_any(&self) -> &dyn Any {
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self
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}
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fn box_id(&self) -> u64 {
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self.id
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}
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}
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impl Display for FloatBox {
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fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
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write!(f, "{}", self.value)
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}
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}
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|
/// 範囲を表すBox
|
|||
|
|
#[derive(Debug, Clone)]
|
|||
|
|
pub struct RangeBox {
|
|||
|
|
pub start: i64,
|
|||
|
|
pub end: i64,
|
|||
|
|
pub step: i64,
|
|||
|
|
id: u64,
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
impl RangeBox {
|
|||
|
|
pub fn new(start: i64, end: i64, step: i64) -> Self {
|
|||
|
|
static mut COUNTER: u64 = 0;
|
|||
|
|
let id = unsafe {
|
|||
|
|
COUNTER += 1;
|
|||
|
|
COUNTER
|
|||
|
|
};
|
|||
|
|
|
|||
|
|
Self { start, end, step, id }
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
/// イテレータとして値を生成
|
|||
|
|
pub fn iter(&self) -> Vec<i64> {
|
|||
|
|
let mut result = Vec::new();
|
|||
|
|
let mut current = self.start;
|
|||
|
|
|
|||
|
|
if self.step > 0 {
|
|||
|
|
while current < self.end {
|
|||
|
|
result.push(current);
|
|||
|
|
current += self.step;
|
|||
|
|
}
|
|||
|
|
} else if self.step < 0 {
|
|||
|
|
while current > self.end {
|
|||
|
|
result.push(current);
|
|||
|
|
current += self.step;
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
result
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
impl NyashBox for RangeBox {
|
|||
|
|
fn type_name(&self) -> &'static str {
|
|||
|
|
"RangeBox"
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
fn to_string_box(&self) -> StringBox {
|
|||
|
|
StringBox::new(&format!("Range({}, {}, {})", self.start, self.end, self.step))
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
fn clone_box(&self) -> Box<dyn NyashBox> {
|
|||
|
|
Box::new(self.clone())
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
fn equals(&self, other: &dyn NyashBox) -> BoolBox {
|
|||
|
|
if let Some(other_range) = other.as_any().downcast_ref::<RangeBox>() {
|
|||
|
|
BoolBox::new(
|
|||
|
|
self.start == other_range.start &&
|
|||
|
|
self.end == other_range.end &&
|
|||
|
|
self.step == other_range.step
|
|||
|
|
)
|
|||
|
|
} else {
|
|||
|
|
BoolBox::new(false)
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
fn as_any(&self) -> &dyn Any {
|
|||
|
|
self
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
fn box_id(&self) -> u64 {
|
|||
|
|
self.id
|
|||
|
|
}
|
|||
|
|
}
|
|||
|
|
|
|||
|
|
impl Display for RangeBox {
|
|||
|
|
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
|
|||
|
|
write!(f, "Range({}, {}, {})", self.start, self.end, self.step)
|
|||
|
|
}
|
|||
|
|
}
|