Commit Graph

15 Commits (7c3636aaa38e8efa77b73ba94362802517ea739e)

Author SHA1 Message Date
Andrew Kelley 7912061226 remove integer and float casting syntax
* add `@intCast`
 * add `@floatCast`
 * add `@floatToInt`
 * add `@intToFloat`

See #1061
2018-06-17 02:57:07 -04:00
Jimmi HC 02cb220faf Renamed "(int/float literal)" to "comptime_int/float" 2018-06-05 11:14:43 +02:00
Andrew Kelley 4787127cf6 partial conversion to post-fix pointer deref using zig fmt 2018-05-10 00:29:49 -04:00
Andrew Kelley 3671582c15 syntax: functions require return type. remove `->`
The purpose of this is:

 * Only one way to do things
 * Changing a function with void return type to return a possible
   error becomes a 1 character change, subtly encouraging
   people to use errors.

See #632

Here are some imperfect sed commands for performing this update:

remove arrow:

```
sed -i 's/\(\bfn\b.*\)-> /\1/g' $(find . -name "*.zig")
```

add void:

```
sed -i 's/\(\bfn\b.*\))\s*{/\1) void {/g' $(find ../ -name "*.zig")
```

Some cleanup may be necessary, but this should do the bulk of the work.
2018-01-25 04:10:11 -05:00
Andrew Kelley 793f031c4c remove 32-bit windows from supported targets list
we still want to support it, but there are too many bugs
to claim that we support it right now.

See #537
2018-01-14 15:17:07 -05:00
Andrew Kelley 4183c6f1a5 move std/debug.zig to a subdirectory
self hosted compiler parser tests do some fuzz testing
2017-12-23 22:15:48 -05:00
Andrew Kelley d917815d81 explicitly return from blocks
instead of last statement being expression value

closes #629
2017-12-22 00:50:30 -05:00
Andrew Kelley 6fe1c3186f disable some of the failing tests
See #537
2017-10-15 02:04:21 -04:00
Andrew Kelley b8ed0cb374 remove workaround for LLVM not respecting "nobuiltin"
now that we depend on LLVM 5.0.0 we can remove the
workaround.

closes #393
2017-08-28 04:28:42 -04:00
Andrew Kelley 987768778a bit shifting safety
* add u3, u4, u5, u6, u7 and i3, i4, i5, i6, i7
 * shift operations shift amount parameter type is
   integer with log2 bit width of other param
   - This enforces not violating undefined behavior on
     shift amount >= bit width with the type system
 * clean up math.log, math.ln, math.log2, math.log10

closes #403
2017-08-19 01:43:43 -04:00
Andrew Kelley 35d3444e27 more intuitive left shift and right shift operators
Before:
 * << is left shift, not allowed to shift 1 bits out
 * <<% is left shift, allowed to shift 1 bits out
 * >> is right shift, allowed to shift 1 bits out

After:
 * << is left shift, allowed to shift 1 bits out
 * >> is right shift, allowed to shift 1 bits out
 * @shlExact is left shift, not allowed to shift 1 bits out
 * @shrExact is right shift, not allowed to shift 1 bits out

Closes #413
2017-08-09 10:09:38 -04:00
Andrew Kelley d1e68c3ca8 better bigint/bigfloat implementation 2017-07-08 17:59:10 -04:00
Marc Tiehuis 5bbec42a4e Add math special case tests and general fixes
- Should cover special case inputs for most functions
 - Fixed a number of runtime panicking behaviour reliant on shift
   overflow/division by zero etc.
2017-06-20 23:10:22 +12:00
Andrew Kelley c9fc8bd802 workaround for llvm bug
See #393 for details
2017-06-19 14:36:33 -04:00
Marc Tiehuis 4c16f9a3c3 Add math library
This covers the majority of the functions as covered by the C99
specification for a math library.

Code is adapted primarily from musl libc, with the pow and standard
trigonometric functions adapted from the Go stdlib.

Changes:

 - Remove assert expose in index and import as needed.
 - Add float log function and merge with existing base 2 integer
   implementation.

See https://github.com/tiehuis/zig-fmath.
See #374.
2017-06-16 20:32:31 +12:00