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Fix precision error in llTan special values.

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This commit is contained in:
Sei Lisa 2016-05-21 02:25:05 +02:00
parent 4172f02439
commit 7b70bfe55f
2 changed files with 4 additions and 4 deletions
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4
lslopt/lslbasefuncs.py
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@ -1606,9 +1606,9 @@ def llTan(f):
if -9223372036854775808.0 <= f < 9223372036854775808.0:
# We only consider the first turn for anomalous results.
if abs(f) == 1.570796251296997:
return math.copysign(13245400.0, f);
return math.copysign(13245402.0, f);
if abs(f) == 1.5707963705062866:
return -math.copysign(22877330.0, f);
return -math.copysign(22877332.0, f);
return F32(math.tan(f))
return f

4
testfuncs.py
View file

@ -847,8 +847,8 @@ def do_tests():
test('llTan(F32(1e38))', F32(1e38))
test('llTan(F32(4e38))', Indet)
test('llTan(F32(math.pi))', F('0x1.777A5Cp-24'))
test('llTan(F32(math.pi*.5))', -22877330.)
test('llTan(F("0x1.921FB4p0"))', 13245400.)
test('llTan(F32(math.pi*.5))', -22877332.)
test('llTan(F("0x1.921FB4p0"))', 13245402.)
test('llAsin(2.0)', NaN)
test('llAcos(2.0)', NaN)
test('llAtan2(0.0, 0.0)', 0.0)