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63 Commits (1b4bae6d69937043add14c0dac357c1a1b05f037)

Author SHA1 Message Date
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 2234788fa8 add ability to explicitly cast float to integer 
closes #414
 2017-08-07 15:57:41 -04:00
Andrew Kelley d1e68c3ca8 better bigint/bigfloat implementation 2017-07-08 17:59:10 -04:00
Marc Tiehuis e81bf1c38c Return undefined in frexp instead of 0 on nan input 
This is more in line what usual C implementations do.
 2017-06-22 19:29:57 +12:00
Marc Tiehuis 5aff641f4b Fix pow tests 
See #393.
 2017-06-21 23:24:00 +12:00
Marc Tiehuis 994f4da8d4 Fix scalbn constant multiplier 2017-06-21 18:53:33 +12:00
Marc Tiehuis 14a324a0fa Fixes for release mode tests 2017-06-21 18:21:11 +12:00
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 4efb9ae2e5 Get tests passing under release mode 
This does not fix the underlying issue in pow at this stage, but we may
be able to narrow down the cause after adding tests for specific edge
cases in functions.
 2017-06-18 14:16:04 +12:00
Andrew Kelley 62323eeb75 std: refactor pow to be generic 2017-06-17 20:39:45 -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
Andrew Kelley 7f0620a20f partial implementation of printing floating point numbers with errol3 
also add bitCast builtin function. closes #387
 2017-06-14 00:24:25 -04:00