import mpmath
mpmath.mp.pretty=True
mpmath.mp.dps=30
def F(x):
return mpmath.zeta(x)+mpmath.zeta(x,derivative=1)
r=mpmath.findroot(F,[0.1+mpmath.j],solver=muller)
Unhandled SIGSEGV: A segmentation fault occurred in Sage.
This probably occurred because a *compiled* component of Sage
Hmm. My backtrace showed:
/home/mcneil/sagedev/sage-5.4.beta0/local/lib/libcsage.so(print_backtrace+0x3b)[0xb6bd7c49]
/home/mcneil/sagedev/sage-5.4.beta0/local/lib/libcsage.so(sigdie+0x17)[0xb6bd7c89]
i get the same exception on standalone mpmath, don't know if it uses
gmp.
On Mon, Oct 01, 2012 at 10:35:37AM -0400, D. S. McNeil wrote:
Hmm. My backtrace showed:
/home/mcneil/sagedev/sage-5.4.beta0/local/lib/libcsage.so(print_backtrace+0x3b)[0xb6bd7c49]
