xfygogo/exprtk
1
0
Fork 0
mirror of https://github.com/ArashPartow/exprtk.git synced 2025-06-22 16:28:57 +00:00
Code Issues Packages Projects Releases Wiki Activity

C++ Mathematical Expression Library (ExprTk) http://www.partow.net/programming/exprtk/index.html

Browse Source
This commit is contained in:
Arash Partow
2013-04-14 17:01:14 +10:00
parent e44540b0f4
commit 2a810cc9b4
13 changed files with 915 additions and 55 deletions
Download Patch File Download Diff File Expand all files Collapse all files

80
exprtk_test.cpp
View File

@ -3574,15 +3574,15 @@ inline bool run_test19()
compositor
.add("is_prime_impl3",
"while (y > 0) "
"{ "
" switch "
" { "
" case y == 1 : true + (y := 0);"
" case (x % y) == 0 : false + (y := 0);"
" default : y := y - 1; "
" } "
"} ",
"while (y > 0) "
"{ "
" switch "
" { "
" case y == 1 : ~(y := 0,true); "
" case (x % y) == 0 : ~(y := 0,false);"
" default : y := y - 1; "
" } "
"} ",
"x","y");
compositor
@ -3671,7 +3671,7 @@ inline bool run_test19()
{
printf("run_test19() - Error in evaluation! (3) Results don't match! Prime: %d "
"Expression1: %s Expression2: %s Expression3: %s\n",
prime_list[i],
static_cast<unsigned int>(prime_list[i]),
expression_str1.c_str(),
expression_str2.c_str(),
expression_str3.c_str());
@ -3682,7 +3682,7 @@ inline bool run_test19()
{
printf("run_test19() - Error in evaluation! (3) Prime: %d "
"Expression1: %s Expression2: %s Expression3: %s\n",
(int)prime_list[i],
static_cast<unsigned int>(prime_list[i]),
expression_str1.c_str(),
expression_str2.c_str(),
expression_str3.c_str());
@ -3716,17 +3716,44 @@ inline bool run_test19()
"} ",
"x");
compositor
.add("fibonacci_impl3",
"switch "
"{ "
" case x == 0 : 0; "
" case x == 1 : 1; "
" default : while (~(x := (x - 1)) > 0)"
" {~ "
" ( "
" w := z, "
" z := z + y, "
" y := w, "
" z "
" ) "
" }; "
"} ",
"x","y","z","w");
compositor
.add("fibonacci3",
"fibonacci_impl3(x,0,1,0)",
"x");
exprtk::symbol_table<T>& symbol_table = compositor.symbol_table();
symbol_table.add_constants();
symbol_table.add_variable("x",x);
std::string expression_str1 = "fibonacci1(x)";
std::string expression_str2 = "fibonacci2(x)";
std::string expression_str3 = "fibonacci3(x)";
expression_t expression1;
expression_t expression2;
expression_t expression3;
expression1.register_symbol_table(symbol_table);
expression2.register_symbol_table(symbol_table);
expression3.register_symbol_table(symbol_table);
exprtk::parser<T> parser;
@ -3746,6 +3773,14 @@ inline bool run_test19()
return false;
}
if (!parser.compile(expression_str3,expression3))
{
printf("run_test19() - Error: %s Expression3: %s\n",
parser.error().c_str(),
expression_str3.c_str());
return false;
}
bool failure = false;
const std::size_t fibonacci_list[] =
@ -3766,22 +3801,29 @@ inline bool run_test19()
x = i;
T result1 = expression1.value();
T result2 = expression2.value();
if (result1 != result2)
T result3 = expression3.value();
if ((result1 != result2) || (result1 != result3))
{
printf("run_test19() - Error in evaluation! (3) Results don't match! Prime: %d Expression1: %s Expression2: %s\n",
fibonacci_list[i],
printf("run_test19() - Error in evaluation! (3) Results don't match! fibonacci(%d) = %d "
"Expression1: %s Expression2: %s Expression3: %s\n",
static_cast<unsigned int>(i),
static_cast<unsigned int>(fibonacci_list[i]),
expression_str1.c_str(),
expression_str2.c_str());
expression_str2.c_str(),
expression_str3.c_str());
failure = true;
}
if (fibonacci_list[i] != expression1.value())
{
printf("run_test19() - Error in evaluation! (4) fibonacci(%d) = %d Expression1: %s Expression2: %s\n",
i,
fibonacci_list[i],
printf("run_test19() - Error in evaluation! (4) fibonacci(%d) = %d "
"Expression1: %s Expression2: %s Expression3: %s\n",
static_cast<unsigned int>(i),
static_cast<unsigned int>(fibonacci_list[i]),
expression_str1.c_str(),
expression_str2.c_str());
expression_str2.c_str(),
expression_str3.c_str());
failure = true;
}
}