fix(clippy): use constants provided by std

Goose · Goose · commit c24008713657 · 2025-09-24T17:29:00.000+10:00
diff --git a/src/distribution/cauchy.rs b/src/distribution/cauchy.rs
@@ -355,7 +355,7 @@ mod tests {
         test_exact(0.0, 0.1, 0.001272730452554141029739, pdf(5.0));
         test_absolute(0.0, 1.0, 0.01224268793014579505914, 1e-17, pdf(-5.0));
         test_exact(0.0, 1.0, 0.1591549430918953357689, pdf(-1.0));
-        test_exact(0.0, 1.0, 0.3183098861837906715378, pdf(0.0));
+        test_exact(0.0, 1.0, f64::consts::FRAC_1_PI, pdf(0.0));
         test_exact(0.0, 1.0, 0.1591549430918953357689, pdf(1.0));
         test_absolute(0.0, 1.0, 0.01224268793014579505914, 1e-17, pdf(5.0));
         test_exact(0.0, 10.0, 0.02546479089470325372302, pdf(-5.0));
diff --git a/src/distribution/exponential.rs b/src/distribution/exponential.rs
@@ -412,9 +412,9 @@ mod tests {
     #[test]
     fn test_ln_pdf() {
         let ln_pdf = |arg: f64| move |x: Exp| x.ln_pdf(arg);
-        test_absolute(0.1, -2.302585092994045684018, 1e-15, ln_pdf(0.0));
+        test_absolute(0.1, -f64::consts::LN_10, 1e-15, ln_pdf(0.0));
         test_exact(1.0, 0.0, ln_pdf(0.0));
-        test_exact(10.0, 2.302585092994045684018, ln_pdf(0.0));
+        test_exact(10.0, f64::consts::LN_10, ln_pdf(0.0));
         test_is_nan(f64::INFINITY, ln_pdf(0.0));
         test_absolute(0.1, -2.312585092994045684018, 1e-15, ln_pdf(0.1));
         test_exact(1.0, -0.1, ln_pdf(0.1));
diff --git a/src/distribution/hypergeometric.rs b/src/distribution/hypergeometric.rs
@@ -540,11 +540,11 @@ mod tests {
         let ln_pmf = |arg: u64| move |x: Hypergeometric| x.ln_pmf(arg);
         test_exact(0, 0, 0, 0.0, ln_pmf(0));
         test_exact(1, 1, 1, 0.0, ln_pmf(1));
-        test_exact(2, 1, 1, -0.6931471805599453094172, ln_pmf(0));
-        test_exact(2, 1, 1, -0.6931471805599453094172, ln_pmf(1));
+        test_exact(2, 1, 1, -f64::consts::LN_2, ln_pmf(0));
+        test_exact(2, 1, 1, -f64::consts::LN_2, ln_pmf(1));
         test_exact(2, 2, 2, 0.0, ln_pmf(2));
         test_absolute(10, 1, 1, -0.1053605156578263012275, 1e-14, ln_pmf(0));
-        test_absolute(10, 1, 1, -2.302585092994045684018, 1e-14, ln_pmf(1));
+        test_absolute(10, 1, 1, -f64::consts::LN_10, 1e-14, ln_pmf(1));
         test_absolute(10, 5, 3, -0.875468737353899935621, 1e-14, ln_pmf(1));
         test_absolute(10, 5, 3, -2.484906649788000310234, 1e-14, ln_pmf(3));
     }
diff --git a/src/distribution/laplace.rs b/src/distribution/laplace.rs
@@ -550,7 +550,7 @@ mod tests {
         test_rel_close(loc, scale, expected, reltol, inverse_cdf(0.001));
 
         // Wolfram Alpha: Inverse CDF[LaplaceDistribution[0, 1], 95/100]
-        let expected = 2.3025850929940456840179914546843642f64;
+        let expected = f64::consts::LN_10;
         test_rel_close(loc, scale, expected, reltol, inverse_cdf(0.95));
     }
 
diff --git a/src/distribution/uniform.rs b/src/distribution/uniform.rs
@@ -388,8 +388,8 @@ mod tests {
     #[test]
     fn test_entropy() {
         let entropy = |x: Uniform| x.entropy().unwrap();
-        test_exact(-0.0, 2.0, 0.6931471805599453094172, entropy);
-        test_exact(0.0, 2.0, 0.6931471805599453094172, entropy);
+        test_exact(-0.0, 2.0, f64::consts::LN_2, entropy);
+        test_exact(0.0, 2.0, f64::consts::LN_2, entropy);
         test_absolute(0.1, 4.0, 1.360976553135600743431, 1e-15, entropy);
         test_exact(1.0, 10.0, 2.19722457733621938279, entropy);
         test_exact(10.0, 11.0, 0.0, entropy);
@@ -448,14 +448,14 @@ mod tests {
     fn test_ln_pdf() {
         let ln_pdf = |arg: f64| move |x: Uniform| x.ln_pdf(arg);
         test_exact(0.0, 0.1, f64::NEG_INFINITY, ln_pdf(-5.0));
-        test_absolute(0.0, 0.1, 2.302585092994045684018, 1e-15, ln_pdf(0.05));
+        test_absolute(0.0, 0.1, f64::consts::LN_10, 1e-15, ln_pdf(0.05));
         test_exact(0.0, 0.1, f64::NEG_INFINITY, ln_pdf(5.0));
         test_exact(0.0, 1.0, f64::NEG_INFINITY, ln_pdf(-5.0));
         test_exact(0.0, 1.0, 0.0, ln_pdf(0.5));
         test_exact(0.0, 0.1, f64::NEG_INFINITY, ln_pdf(5.0));
         test_exact(0.0, 10.0, f64::NEG_INFINITY, ln_pdf(-5.0));
-        test_exact(0.0, 10.0, -2.302585092994045684018, ln_pdf(1.0));
-        test_exact(0.0, 10.0, -2.302585092994045684018, ln_pdf(5.0));
+        test_exact(0.0, 10.0, -f64::consts::LN_10, ln_pdf(1.0));
+        test_exact(0.0, 10.0, -f64::consts::LN_10, ln_pdf(5.0));
         test_exact(0.0, 10.0, f64::NEG_INFINITY, ln_pdf(11.0));
         test_exact(-5.0, 100.0, f64::NEG_INFINITY, ln_pdf(-10.0));
         test_exact(-5.0, 100.0, -4.653960350157523371101, ln_pdf(-5.0));
diff --git a/src/distribution/weibull.rs b/src/distribution/weibull.rs
@@ -446,7 +446,7 @@ mod tests {
     fn test_median() {
         let median = |x: Weibull| x.median();
         test_exact(1.0, 0.1, 0.069314718055994530941723212145817656807550013436026, median);
-        test_exact(1.0, 1.0, 0.69314718055994530941723212145817656807550013436026, median);
+        test_exact(1.0, 1.0, f64::consts::LN_2, median);
         test_exact(10.0, 10.0, 9.6401223546778973665856033763604752124634905617583, median);
         test_exact(10.0, 1.0, 0.96401223546778973665856033763604752124634905617583, median);
     }
@@ -488,7 +488,7 @@ mod tests {
     #[test]
     fn test_ln_pdf() {
         let ln_pdf = |arg: f64| move |x: Weibull| x.ln_pdf(arg);
-        test_absolute(1.0, 0.1, 2.3025850929940456840179914546843642076011014886288, 1e-15, ln_pdf(0.0));
+        test_absolute(1.0, 0.1, f64::consts::LN_10, 1e-15, ln_pdf(0.0));
         test_absolute(1.0, 0.1, -7.6974149070059543159820085453156357923988985113712, 1e-15, ln_pdf(1.0));
         test_exact(1.0, 0.1, -97.697414907005954315982008545315635792398898511371, ln_pdf(10.0));
         test_exact(1.0, 1.0, 0.0, ln_pdf(0.0));
diff --git a/src/function/beta.rs b/src/function/beta.rs
@@ -450,9 +450,9 @@ mod tests {
     #[test]
     fn test_ln_beta() {
         beta_assert_relative_eq(ln_beta(0.5, 0.5), 1.144729885849400174144);
-        beta_assert_relative_eq(ln_beta(1.0, 0.5), 0.6931471805599453094172);
+        beta_assert_relative_eq(ln_beta(1.0, 0.5), f64::consts::LN_2);
         beta_assert_relative_eq(ln_beta(2.5, 0.5), 0.163900632837673937284);
-        beta_assert_relative_eq(ln_beta(0.5, 1.0), 0.6931471805599453094172);
+        beta_assert_relative_eq(ln_beta(0.5, 1.0), f64::consts::LN_2);
         beta_assert_relative_eq(ln_beta(1.0, 1.0), 0.0);
         beta_assert_relative_eq(ln_beta(2.5, 1.0), -0.9162907318741550651835);
         beta_assert_relative_eq(ln_beta(0.5, 2.5), 0.163900632837673937284);
@@ -506,7 +506,7 @@ mod tests {
 
     #[test]
     fn test_beta() {
-        beta_assert_relative_eq(beta(0.5, 0.5), 3.141592653589793238463);
+        beta_assert_relative_eq(beta(0.5, 0.5), f64::consts::PI);
         beta_assert_relative_eq(beta(1.0, 0.5), 2.0);
         beta_assert_relative_eq(beta(2.5, 0.5), 1.17809724509617246442);
         beta_assert_relative_eq(beta(0.5, 1.0), 2.0);
@@ -519,13 +519,13 @@ mod tests {
 
     #[test]
     fn test_beta_inc() {
-        beta_assert_relative_eq(beta_inc(0.5, 0.5, 0.5), 1.570796326794896619231);
-        beta_assert_relative_eq(beta_inc(0.5, 0.5, 1.0), 3.141592653589793238463);
+        beta_assert_relative_eq(beta_inc(0.5, 0.5, 0.5), f64::consts::FRAC_PI_2);
+        beta_assert_relative_eq(beta_inc(0.5, 0.5, 1.0), f64::consts::PI);
         beta_assert_relative_eq(beta_inc(1.0, 0.5, 0.5), 0.5857864376269049511983);
         beta_assert_relative_eq(beta_inc(1.0, 0.5, 1.0), 2.0);
         beta_assert_relative_eq(beta_inc(2.5, 0.5, 0.5), 0.0890486225480862322117);
         beta_assert_relative_eq(beta_inc(2.5, 0.5, 1.0), 1.17809724509617246442);
-        beta_assert_relative_eq(beta_inc(0.5, 1.0, 0.5), 1.414213562373095048802);
+        beta_assert_relative_eq(beta_inc(0.5, 1.0, 0.5), f64::consts::SQRT_2);
         beta_assert_relative_eq(beta_inc(0.5, 1.0, 1.0), 2.0);
         beta_assert_relative_eq(beta_inc(1.0, 1.0, 0.5), 0.5);
         beta_assert_relative_eq(beta_inc(1.0, 1.0, 1.0), 1.0);
@@ -591,7 +591,7 @@ mod tests {
         assert_eq!(beta_reg(1.0, 0.5, 1.0), 1.0);
         beta_assert_abs_diff_eq(beta_reg(2.5, 0.5, 0.5), 0.07558681842161243795);
         assert_eq!(beta_reg(2.5, 0.5, 1.0), 1.0);
-        beta_assert_abs_diff_eq(beta_reg(0.5, 1.0, 0.5), 0.7071067811865475244);
+        beta_assert_abs_diff_eq(beta_reg(0.5, 1.0, 0.5), f64::consts::FRAC_1_SQRT_2);
         assert_eq!(beta_reg(0.5, 1.0, 1.0), 1.0);
         beta_assert_abs_diff_eq(beta_reg(1.0, 1.0, 0.5), 0.5);
         assert_eq!(beta_reg(1.0, 1.0, 1.0), 1.0);
diff --git a/src/function/gamma.rs b/src/function/gamma.rs
@@ -624,7 +624,7 @@ mod tests {
         );
         prec::assert_abs_diff_eq!(
             super::ln_gamma(3.0),
-            0.693147180559945309417232121458176568075500134360255254120680,
+            f64::consts::LN_2,
             epsilon = 1e-14
         );
         prec::assert_abs_diff_eq!(

Original file line number	Diff line number	Diff line change
`@@ -550,7 +550,7 @@ mod tests {`
`550`	`550`	`test_rel_close(loc, scale, expected, reltol, inverse_cdf(0.001));`
`551`	`551`
`552`	`552`	`// Wolfram Alpha: Inverse CDF[LaplaceDistribution[0, 1], 95/100]`
`553`		`- let expected = 2.3025850929940456840179914546843642f64;`
	`553`	`+ let expected = f64::consts::LN_10;`
`554`	`554`	`test_rel_close(loc, scale, expected, reltol, inverse_cdf(0.95));`
`555`	`555`	`}`
`556`	`556`