Hello here,
Can you explain me this:
==
└─$ jlfricas
Checking for foreign routines
FRICAS="/usr/local/lib/fricas/target/x86_64-linux-gnu"
spad-lib="/usr/local/lib/fricas/target/x86_64-linux-gnu/lib/libspad.so"
foreign routines found
openServer result 0
FriCAS Computer Algebra System
Version: jlFriCAS 1.3.12-dev built with SBCL 2.5.2.debian
Timestamp: Wed Apr 16 09:50:54 AM CEST 2025
-----------------------------------------------------------------------------
Issue )copyright to view copyright notices.
Issue )summary for a summary of useful system commands.
Issue )quit to leave FriCAS and return to shell.
-----------------------------------------------------------------------------
(1) -> jnecf (-2/3)
(1) -0.666667 {-2/3}
Type: NMExactCalciumField
Time: 0.13 (EV) + 3.88 (OT) = 4.01 sec
(2) -> sqrt %
(2) 0.816497*I {(a)/3 where a = 2.44949*I [a^2+6=0]}
Type: NMExactCalciumField
Time: 0.01 sec
(3) -> sin %
(3)
0.910291*I {(-a^2*c+c)/(2*a) where a = 0.441977 [Exp(-0.816497
{(b*c)/3})], b = 2.44949*I [b^2+6=0], c = I [c^
2+1=0]}
Type: NMExactCalciumField
Time: 0.02 (EV) = 0.02 sec
(4) -> asin %
(4) 0.816497*I {(a)/3 where a = 2.44949*I [a^2+6=0]}
Type: NMExactCalciumField
Time: 0.02 (EV) = 0.02 sec
(5) -> %^2
(5) -0.666667 {-2/3}
Type: NMExactCalciumField
Time: 0.02 sec
(6) -> -2/3
2
(6) - -
3
Type: Fraction(Integer)
Time: 0 sec
(7) -> sqrt %
+---+
| 2
(7) |- -
\| 3
Type: AlgebraicNumber
Time: 0.03 (OT) = 0.03 sec
(8) -> sin %
+---+
| 2
(8) sin( |- - )
\| 3
Type: Expression(Integer)
Time: 0 sec
(9) -> asin %
+---+
| 2
(9) asin(sin( |- - ))
\| 3
Type: Expression(Integer)
Time: 0 sec
(10) -> %^2
+---+ 2
| 2
(10) asin(sin( |- - ))
\| 3
Type: Expression(Integer)
Time: 0 sec
(11) ->
Is it related to complex number handling or the fact that EXPR(INT) is used
a lot (algebraic number for example). Or I am totally wrong.
Greg
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