PARI/Gp 有更新了
现在版本是 2.5 了http://pari.math.u-bordeaux.fr/download.html
Done for version 2.5.0 (released 31/05/2011):
Fixed
BA1- DESTDIR did not work. [#1194]
BA2- Improve Darwin shared library support.
LGr 3- bnfinit -> oo-loop if class number is divisible by 27449 [#1197]
BA4- error("foo") did not work.
5- wrong generators in quadclassunit(D > 0) [ fix qfr3_pow / qfr5_pow ] [#1195]
6- setrand(45);quadclassunit(185477) -> SEGV [#1200]
7- fix derivnum for large arguments [#1201]
8- "#if READL" always evaluated to "FALSE" in gprc [#1202]
9- matsnf(non-square matrix, 4) --> SEGV [#1208]
HC 10- fix p-adic Gamma inefficiency for small p: gamma(O(2^20))->no answer
gsl也有更新了
http://mirrors.ustc.edu.cn/gnu/gsl/ 可惜mingw4.6到现在还没出来。
gcc4.6的 for 新特性在windows下不能体验了, 恨不得自己编译一个mingw 3# wayne
windows下为什么不用vs 或Intel c++ ?
看了一下,gsl-1.15 的cblas_dgemm函数,双精度浮点矩阵乘法,接口符合cblas规范。
采用的是三重循环:/* formC := alpha*A*B + C */
for (k = 0; k < K; k++) {
for (i = 0; i < n1; i++) {
const BASE temp = alpha * F;
if (temp != 0.0) {
for (j = 0; j < n2; j++) {
C += temp * G;
}
}
}
} 4# G-Spider
呵呵,习惯使然而已。 windows build 的稳定版也出来了
http://pari.math.u-bordeaux.fr/pub/pari/windows/gp-2-5-0.exe MinGW distribution ("distro") currently contains GCC 4.6.1 and Boost 1.47.0.
mingw-7.2.exe (16.8 MB) : This is a self-extracting archive. It's incredibly easy to install; see How To Install below.
解压就可以了。
http://nuwen.net/mingw.html 7# G-Spider
TDM/MinGW4.6.1也出来了
http://sourceforge.net/projects/tdm-gcc/files/TDM-GCC%20Installer/
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