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change FFT threshold in mul.c

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This commit is contained in:
Brian Gladman 2013-03-09 21:15:06 +00:00
parent d4ff698e71
commit b5c32bf68d
1 changed files with 2 additions and 1 deletions
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3
mpn/generic/mul.c
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@ -138,7 +138,8 @@ mpn_mul (mp_ptr prodp,
return prodp[un + vn - 1]; return prodp[un + vn - 1];
} }
if (ABOVE_THRESHOLD (un + vn, 2*MUL_FFT_FULL_THRESHOLD)) if (ABOVE_THRESHOLD (un + vn, 2*MUL_FFT_FULL_THRESHOLD)
&& ABOVE_THRESHOLD (3*vn, MUL_FFT_FULL_THRESHOLD))
{ {
mpn_mul_fft_main (prodp, up, un, vp, vn); mpn_mul_fft_main (prodp, up, un, vp, vn);
return prodp[un + vn - 1]; return prodp[un + vn - 1];