1 error: exponent for bases 2 and e can be computed more accurately
2 --> $DIR/floating_point_powf.rs:6:13
4 LL | let _ = 2f32.powf(x);
5 | ^^^^^^^^^^^^ help: consider using: `x.exp2()`
7 = note: `-D clippy::suboptimal-flops` implied by `-D warnings`
9 error: exponent for bases 2 and e can be computed more accurately
10 --> $DIR/floating_point_powf.rs:7:13
12 LL | let _ = 2f32.powf(3.1);
13 | ^^^^^^^^^^^^^^ help: consider using: `3.1f32.exp2()`
15 error: exponent for bases 2 and e can be computed more accurately
16 --> $DIR/floating_point_powf.rs:8:13
18 LL | let _ = 2f32.powf(-3.1);
19 | ^^^^^^^^^^^^^^^ help: consider using: `(-3.1f32).exp2()`
21 error: exponent for bases 2 and e can be computed more accurately
22 --> $DIR/floating_point_powf.rs:9:13
24 LL | let _ = std::f32::consts::E.powf(x);
25 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `x.exp()`
27 error: exponent for bases 2 and e can be computed more accurately
28 --> $DIR/floating_point_powf.rs:10:13
30 LL | let _ = std::f32::consts::E.powf(3.1);
31 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `3.1f32.exp()`
33 error: exponent for bases 2 and e can be computed more accurately
34 --> $DIR/floating_point_powf.rs:11:13
36 LL | let _ = std::f32::consts::E.powf(-3.1);
37 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(-3.1f32).exp()`
39 error: square-root of a number can be computed more efficiently and accurately
40 --> $DIR/floating_point_powf.rs:12:13
42 LL | let _ = x.powf(1.0 / 2.0);
43 | ^^^^^^^^^^^^^^^^^ help: consider using: `x.sqrt()`
45 error: cube-root of a number can be computed more accurately
46 --> $DIR/floating_point_powf.rs:13:13
48 LL | let _ = x.powf(1.0 / 3.0);
49 | ^^^^^^^^^^^^^^^^^ help: consider using: `x.cbrt()`
51 error: exponentiation with integer powers can be computed more efficiently
52 --> $DIR/floating_point_powf.rs:14:13
54 LL | let _ = x.powf(2.0);
55 | ^^^^^^^^^^^ help: consider using: `x.powi(2)`
57 error: exponentiation with integer powers can be computed more efficiently
58 --> $DIR/floating_point_powf.rs:15:13
60 LL | let _ = x.powf(-2.0);
61 | ^^^^^^^^^^^^ help: consider using: `x.powi(-2)`
63 error: exponentiation with integer powers can be computed more efficiently
64 --> $DIR/floating_point_powf.rs:16:13
66 LL | let _ = x.powf(16_777_215.0);
67 | ^^^^^^^^^^^^^^^^^^^^ help: consider using: `x.powi(16_777_215)`
69 error: exponentiation with integer powers can be computed more efficiently
70 --> $DIR/floating_point_powf.rs:17:13
72 LL | let _ = x.powf(-16_777_215.0);
73 | ^^^^^^^^^^^^^^^^^^^^^ help: consider using: `x.powi(-16_777_215)`
75 error: exponent for bases 2 and e can be computed more accurately
76 --> $DIR/floating_point_powf.rs:25:13
78 LL | let _ = 2f64.powf(x);
79 | ^^^^^^^^^^^^ help: consider using: `x.exp2()`
81 error: exponent for bases 2 and e can be computed more accurately
82 --> $DIR/floating_point_powf.rs:26:13
84 LL | let _ = 2f64.powf(3.1);
85 | ^^^^^^^^^^^^^^ help: consider using: `3.1f64.exp2()`
87 error: exponent for bases 2 and e can be computed more accurately
88 --> $DIR/floating_point_powf.rs:27:13
90 LL | let _ = 2f64.powf(-3.1);
91 | ^^^^^^^^^^^^^^^ help: consider using: `(-3.1f64).exp2()`
93 error: exponent for bases 2 and e can be computed more accurately
94 --> $DIR/floating_point_powf.rs:28:13
96 LL | let _ = std::f64::consts::E.powf(x);
97 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `x.exp()`
99 error: exponent for bases 2 and e can be computed more accurately
100 --> $DIR/floating_point_powf.rs:29:13
102 LL | let _ = std::f64::consts::E.powf(3.1);
103 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `3.1f64.exp()`
105 error: exponent for bases 2 and e can be computed more accurately
106 --> $DIR/floating_point_powf.rs:30:13
108 LL | let _ = std::f64::consts::E.powf(-3.1);
109 | ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `(-3.1f64).exp()`
111 error: square-root of a number can be computed more efficiently and accurately
112 --> $DIR/floating_point_powf.rs:31:13
114 LL | let _ = x.powf(1.0 / 2.0);
115 | ^^^^^^^^^^^^^^^^^ help: consider using: `x.sqrt()`
117 error: cube-root of a number can be computed more accurately
118 --> $DIR/floating_point_powf.rs:32:13
120 LL | let _ = x.powf(1.0 / 3.0);
121 | ^^^^^^^^^^^^^^^^^ help: consider using: `x.cbrt()`
123 error: exponentiation with integer powers can be computed more efficiently
124 --> $DIR/floating_point_powf.rs:33:13
126 LL | let _ = x.powf(2.0);
127 | ^^^^^^^^^^^ help: consider using: `x.powi(2)`
129 error: exponentiation with integer powers can be computed more efficiently
130 --> $DIR/floating_point_powf.rs:34:13
132 LL | let _ = x.powf(-2.0);
133 | ^^^^^^^^^^^^ help: consider using: `x.powi(-2)`
135 error: exponentiation with integer powers can be computed more efficiently
136 --> $DIR/floating_point_powf.rs:35:13
138 LL | let _ = x.powf(-2_147_483_648.0);
139 | ^^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `x.powi(-2_147_483_648)`
141 error: exponentiation with integer powers can be computed more efficiently
142 --> $DIR/floating_point_powf.rs:36:13
144 LL | let _ = x.powf(2_147_483_647.0);
145 | ^^^^^^^^^^^^^^^^^^^^^^^ help: consider using: `x.powi(2_147_483_647)`
147 error: aborting due to 24 previous errors