David Schultz
c6df46bafb
Improved handling of large x in ccosh{,f}():
...
- Handle cases where exp(x) would overflow, but ccosh(x) ~= exp(x) / 2
shouldn't.
- Use the ccosh(x) ~= exp(x) / 2 approximation to simplify the calculation
when x is large.
Similarly for csinh(). Also fixed the return value of csinh(-Inf +- 0i).
2011-10-21 06:29:32 +00:00
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