"Fossies" - the Fresh Open Source Software Archive  

Source code changes of the file "src/test/in/subst" between
pari-2.13.0.tar.gz and pari-2.13.1.tar.gz

About: PARI/GP is a computer algebra system designed for fast computations in number theory (factorizations, algebraic number theory, elliptic curves...), but also contains a large number of other mathematical functions.

subst  (pari-2.13.0):subst  (pari-2.13.1)
skipping to change at line 62 skipping to change at line 62
substpol(1,x^2,x) substpol(1,x^2,x)
\\#1727 \\#1727
substvec(1+x+y+x*y+O(x^2), [x,y],[x,y]) substvec(1+x+y+x*y+O(x^2), [x,y],[x,y])
subst(Mod(1/z,y),z,x) subst(Mod(1/z,y),z,x)
\\#1988 \\#1988
subst(Mod(-a,a^2-2),z,0) subst(Mod(-a,a^2-2),z,0)
subst(((-6*t^2-t)*u^4+(t^2)*u^3+(P)*t^3*u)/u^2,t,0) subst(((-6*t^2-t)*u^4+(t^2)*u^3+(P)*t^3*u)/u^2,t,0)
\\#2264
p=s1*x+s1*x^2+(1/2*s1^2+s1+s2)*x^3+(1/6*s1^3+3/2*s1^2+(s2+1)*s1+(s2+s3))*x^4+(1/
24*s1^4+7/6*s1^3+(1/2*s2+3)*s1^2+(3*s2+(s3+1))*s1+(1/2*s2^2+2*s2+(s3+s4)))*x^5+(
1/120*s1^5+5/8*s1^4+(1/6*s2+25/6)*s1^3+(7/2*s2+(1/2*s3+5))*s1^2+(1/2*s2^2+7*s2+(
3*s3+(s4+1)))*s1+(3/2*s2^2+(s3+2)*s2+(s3+(s4+s5))))*x^6+(1/720*s1^6+31/120*s1^5+
(1/24*s2+15/4)*s1^4+(5/2*s2+(1/6*s3+65/6))*s1^3+(1/4*s2^2+13*s2+(7/2*s3+(1/2*s4+
15/2)))*s1^2+(7/2*s2^2+(s3+13)*s2+(6*s3+(3*s4+(s5+1))))*s1+(1/6*s2^3+9/2*s2^2+(3
*s3+(s4+3))*s2+(1/2*s3^2+2*s3+(2*s4+(s5+s6)))))*x^7+(1/5040*s1^7+7/80*s1^6+(1/12
0*s2+301/120)*s1^5+(31/24*s2+(1/24*s3+175/12))*s1^4+(1/12*s2^2+91/6*s2+(5/2*s3+(
1/6*s4+70/3)))*s1^3+(15/4*s2^2+(1/2*s3+36)*s2+(25/2*s3+(7/2*s4+(1/2*s5+21/2))))*
s1^2+(1/6*s2^3+14*s2^2+(7*s3+(s4+22))*s2+(1/2*s3^2+11*s3+(7*s4+(3*s5+s6))))*s1+(
7/6*s2^3+(1/2*s3+17/2)*s2^2+(7*s3+(3*s4+(s5+3)))*s2+(3/2*s3^2+(s4+2)*s3+(2*s4+(s
5+(s6+s7))))))*x^8+O(x^9);
subst(p, x, x); \\ takes oo time if content(p) is computed
\\#2267
subst(O(y) + x + O(x^2), x, (1 - y + O(y^2))*x + O(x^2))
 End of changes. 1 change blocks. 
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