Commit eae9634ac9
Changed files (1)
doc/langref.html.in
@@ -370,17 +370,17 @@ pub fn main() void {
<tr>
<td><code>f32</code></td>
<td><code>float</code></td>
- <td>32-bit floating point (23-bit mantissa)</td>
+ <td>32-bit floating point (23-bit mantissa) IEEE-754-2008 binary32</td>
</tr>
<tr>
<td><code>f64</code></td>
<td><code>double</code></td>
- <td>64-bit floating point (52-bit mantissa)</td>
+ <td>64-bit floating point (52-bit mantissa) IEEE-754-2008 binary64</td>
</tr>
<tr>
<td><code>f128</code></td>
<td>(none)</td>
- <td>128-bit floating point (112-bit mantissa)</td>
+ <td>128-bit floating point (112-bit mantissa) IEEE-754-2008 binary128</td>
</tr>
<tr>
<td><code>bool</code></td>
@@ -407,6 +407,16 @@ pub fn main() void {
<td>(none)</td>
<td>an error code</td>
</tr>
+ <tr>
+ <td><code>comptime_int</code></td>
+ <td>(none)</td>
+ <td>Only allowed for {#link|comptime#}-known values. The type of integer literals.</td>
+ </tr>
+ <tr>
+ <td><code>comptime_float</code></td>
+ <td>(none)</td>
+ <td>Only allowed for {#link|comptime#}-known values. The type of float literals.</td>
+ </tr>
</table>
</div>
{#see_also|Integers|Floats|void|Errors#}
@@ -642,7 +652,18 @@ fn divide(a: i32, b: i32) i32 {
{#header_close#}
{#header_close#}
{#header_open|Floats#}
+ <p>Zig has the following floating point types:</p>
+ <ul>
+ <li><code>f32</code> - IEEE-754-2008 binary32</li>
+ <li><code>f64</code> - IEEE-754-2008 binary64</li>
+ <li><code>f128</code> - IEEE-754-2008 binary128</li>
+ <li><code>c_longdouble</code> - matches <code>long double</code> for the target C ABI</li>
+ </ul>
{#header_open|Float Literals#}
+ <p>
+ Float literals have type <code>comptime_float</code> which is guaranteed to hold at least all possible values
+ that the largest other floating point type can hold. Float literals implicitly cast to any other type.
+ </p>
{#code_begin|syntax#}
const floating_point = 123.0E+77;
const another_float = 123.0;