diff options
| -rw-r--r-- | src/library.js | 11 | ||||
| -rw-r--r-- | src/long.js | 11 | ||||
| -rwxr-xr-x | tests/runner.py | 13 |
3 files changed, 35 insertions, 0 deletions
diff --git a/src/library.js b/src/library.js index a5166c72..848a2571 100644 --- a/src/library.js +++ b/src/library.js @@ -3670,6 +3670,17 @@ LibraryManager.library = { abs: 'Math.abs', labs: 'Math.abs', +#if USE_TYPED_ARRAYS == 2 + llabs__deps: [function() { Types.preciseI64MathUsed = 1 }], + llabs: function(lo, hi) { + i64Math.abs(lo, hi); + {{{ makeStructuralReturn([makeGetTempDouble(0, 'i32'), makeGetTempDouble(1, 'i32')]) }}}; + }, +#else + llabs: function(lo, hi) { + throw 'unsupported llabs'; + }, +#endif exit__deps: ['_exit'], exit: function(status) { diff --git a/src/long.js b/src/long.js index c3b0e605..c3651bd9 100644 --- a/src/long.js +++ b/src/long.js @@ -1551,6 +1551,17 @@ var i64Math = (function() { // Emscripten wrapper HEAP32[tempDoublePtr>>2] = ret.low_; HEAP32[tempDoublePtr+4>>2] = ret.high_; }, + abs: function(l, h) { + var x = new goog.math.Long(l, h); + var ret; + if (x.isNegative()) { + ret = x.negate(); + } else { + ret = x; + } + HEAP32[tempDoublePtr>>2] = ret.low_; + HEAP32[tempDoublePtr+4>>2] = ret.high_; + }, ensureTemps: function() { if (Wrapper.ensuredTemps) return; Wrapper.ensuredTemps = true; diff --git a/tests/runner.py b/tests/runner.py index 5adafddd..9ca052c7 100755 --- a/tests/runner.py +++ b/tests/runner.py @@ -1054,6 +1054,19 @@ m_divisor is 1091269979 } ''', 'c = 4ca38a6bd2973f97') + def test_i64_llabs(self): + if Settings.USE_TYPED_ARRAYS != 2: return self.skip('full i64 stuff only in ta2') + Settings.PRECISE_I64_MATH = 2 + self.do_run(r''' + #include <stdio.h> + #include <stdlib.h> + + int main(int argc, char ** argv) { + printf("%lld,%lld\n", llabs(-576460752303423489), llabs(576460752303423489)); + return 0; + } + ''', '576460752303423489,576460752303423489') + def test_i64_zextneg(self): if Settings.USE_TYPED_ARRAYS != 2: return self.skip('full i64 stuff only in ta2') |