From cc8f401d6805658f7ed98567638b921b9cb745c3 Mon Sep 17 00:00:00 2001 From: Christian Bauer Date: Mon, 10 Apr 2000 16:37:33 +0000 Subject: [PATCH] - modified printcsrc() example --- doc/tutorial/ginac.texi | 16 ++++++++-------- 1 file changed, 8 insertions(+), 8 deletions(-) diff --git a/doc/tutorial/ginac.texi b/doc/tutorial/ginac.texi index ca952ebe..06e4a8ca 100644 --- a/doc/tutorial/ginac.texi +++ b/doc/tutorial/ginac.texi @@ -2091,8 +2091,8 @@ The easiest way to print an expression is to write it to a stream: @example @{ symbol x("x"); - ex e = 7+4.2*pow(x,2); - cout << e << endl; // prints '7+4.2*x^2' + ex e = 4.5+pow(x,2)*3/2; + cout << e << endl; // prints '4.5+3/2*x^2' // ... @end example @@ -2123,9 +2123,9 @@ and mostly affect the way in which floating point numbers are written: The above example will produce (note the @code{x^2} being converted to @code{x*x}): @example -float f = 4.200000e+00*(x*x)+7.000000e+00; -double d = 4.200000e+00*(x*x)+7.000000e+00; -cl_N n = cl_F("4.2000000000000001776")*(x*x)+cl_F("7.0"); +float f = (3.000000e+00/2.000000e+00)*(x*x)+4.500000e+00; +double d = (3.000000e+00/2.000000e+00)*(x*x)+4.500000e+00; +cl_N n = (cl_F("3.0")/cl_F("2.0"))*(x*x)+cl_F("4.5"); @end example Finally, there are the two methods @code{printraw()} and @code{printtree()} intended for GiNaC @@ -2142,16 +2142,16 @@ debugging purposes: produces @example -ex(+((power(ex(symbol(name=x,serial=1,hash=150875740,flags=11)),ex(numeric(2)),hash=2,flags=3),numeric(4.2000000000000001776L0)),,hash=0,flags=3)) +ex(+((power(ex(symbol(name=x,serial=1,hash=150875740,flags=11)),ex(numeric(2)),hash=2,flags=3),numeric(3/2)),,hash=0,flags=3)) type=Q25GiNaC3add, hash=0 (0x0), flags=3, nops=2 power: hash=2 (0x2), flags=3 x (symbol): serial=1, hash=150875740 (0x8fe2e5c), flags=11 2 (numeric): hash=2147483714 (0x80000042), flags=11 - 4.2000000000000001776L0 (numeric): hash=3006477126 (0xb3333346), flags=11 + 3/2 (numeric): hash=2147483745 (0x80000061), flags=11 ----- overall_coeff - 7 (numeric): hash=2147483763 (0x80000073), flags=11 + 4.5L0 (numeric): hash=2147483723 (0x8000004b), flags=11 ===== @end example -- 2.35.3