math: fix expm1l on x86_64 (avoid underflow for large negative x)
authorSzabolcs Nagy <nsz@port70.net>
Thu, 5 Sep 2013 12:23:44 +0000 (12:23 +0000)
committerSzabolcs Nagy <nsz@port70.net>
Thu, 5 Sep 2013 12:23:44 +0000 (12:23 +0000)
commit02343946215a7ae03634c6490abcc69da68df589
treefe6fc02037922375ec8ef1e52da576a3345beb54
parente5937885de3c8d493a9d2978aa46a771740c7458
math: fix expm1l on x86_64 (avoid underflow for large negative x)

copy the fix from i386: return -1 instead of exp2l(x)-1 when x <= -65
src/math/x86_64/ceill.s
src/math/x86_64/exp2l.s
src/math/x86_64/truncl.s