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

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Arash Partow
2014-07-01 20:46:51 +10:00
parent 7d798d0dec
commit f0525af667
6 changed files with 334 additions and 195 deletions
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96
exprtk_test.cpp
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@ -1524,11 +1524,11 @@ inline bool run_test01()
test_xy<T>("(x *= 2y) == 6 " ,T(1),T(3),T(1)),
test_xy<T>("(x /= 2 ) == (1/2)" ,T(1),T(3),T(1)),
test_xy<T>("(x /= 2y) == (1/6)" ,T(1),T(3),T(1)),
test_xy<T>("for(i := 0; (i < 10);) { i += 1; }; x;" ,T(1),T(20),T( 1)),
test_xy<T>("for(i := 0; (i < 10) and (i != y); i+=2) { x += i; }; x;" ,T(1),T(20),T(21)),
test_xy<T>("for(i := 0; (i < 10) and (i != y);) { x += i; i+=2; }; x;",T(1),T(20),T(21)),
test_xy<T>("for(i := 0; (i < y); i += 1) { if (i <= (y / 2)) x += i; else break; }; x;" ,T(0),T(10),T(15)),
test_xy<T>("for(i := 0; (i < y); i += 1) { if (i <= (y / 2)) continue; else x += i; }; x;" ,T(0),T(10),T(30))
test_xy<T>("for(var i := 0; (i < 10);) { i += 1; }; x;" ,T(1),T(20),T( 1)),
test_xy<T>("for(var i := 0; (i < 10) and (i != y); i+=2) { x += i; }; x;" ,T(1),T(20),T(21)),
test_xy<T>("for(var i := 0; (i < 10) and (i != y);) { x += i; i+=2; }; x;",T(1),T(20),T(21)),
test_xy<T>("for(var i := 0; (i < y); i += 1) { if (i <= (y / 2)) x += i; else break; }; x;" ,T(0),T(10),T(15)),
test_xy<T>("for(var i := 0; (i < y); i += 1) { if (i <= (y / 2)) continue; else x += i; }; x;" ,T(0),T(10),T(30))
};
static const std::size_t test_list_size = sizeof(test_list) / sizeof(test_xy<T>);
@ -3281,6 +3281,22 @@ inline bool run_test10()
{
std::string expression_list[] =
{
"var x:=6; var y:=4; x + -3 == 3",
"var x:=6; var y:=4; x - -3 == 9",
"var x:=6; var y:=4; x * -3 == -18",
"var x:=6; var y:=4; x / -3 == -2",
"var x:=6; var y:=4; -x + -3 == -9",
"var x:=6; var y:=4; -x - -3 == -3",
"var x:=6; var y:=4; -x * -3 == 18",
"var x:=6; var y:=4; -x / -3 == 2",
"var x:=6; var y:=4; -3 + -x == -9",
"var x:=6; var y:=4; -3 - -x == 3",
"var x:=6; var y:=4; -3 * -x == 18",
"var x:=6; var y:=4; -3 / -x == 0.5",
"var x:=6; var y:=4; 3 + -x == -3",
"var x:=6; var y:=4; 3 - -x == 9",
"var x:=6; var y:=4; 3 * -x == -18",
"var x:=6; var y:=4; 3 / -x == -0.5",
"var x := 3; var y := 6; x + -y == -3",
"var x := 3; var y := 6; x - -y == 9",
"var x := 3; var y := 6; -x + -y == -9",
@ -3444,20 +3460,20 @@ inline bool run_test10()
"var x[3] := {-1,-2,-3}; sum(abs(x) ) == 6",
"var x[3] := {0.1,0.2,0.3}; sum(trunc(x)) == 0",
"var x := 2; (~{ for (i := 0; i < 10; i += 1) { for (j := 0; j <= i;"
"j += 1) { var y := 3; if ((i + j + y + x) < 6) { y += x; continue; "
"} else break[i + j]; } } } + ~{ for (i := 0; i < 10; i += 1) { for "
"(j := 0; j <= i; j += 1) { var y := 3; if ((i + j + y + x) < 6) { "
"y += x; continue; } else break[i + j]; } } }) == 18 ",
"var x := 2; (~{ for (var i := 0; i < 10; i += 1) { for (var j := 0; j <= i; "
"j += 1) { var y := 3; if ((i + j + y + x) < 6) { y += x; continue; } else "
"break[i + j]; } } } + ~{ for (var i := 0; i < 10; i += 1) { for (var j := 0; "
"j <= i; j += 1) { var y := 3; if ((i + j + y + x) < 6) { y += x; continue; } "
" else break[i + j]; } } }) == 18 ",
"var x := 2; var v0[3] := {1,2,3}; ( ~{ for (i := 0; i < 10; i += 1) { "
"for (j := 0; j <= i; j += 1) { var y := 3; var v2[3] := {1,2,3}; if ( "
"(i + j + y + x + abs(v0[i % v0[]] - v2[j % v2[]])) < 6) { var v3[3] :="
"{1,2,3}; y += x / v3[j % v3[]]; continue; } else break[i + j]; } } } "
"+ ~{ for (i := 0; i < 10; i += 1) { for (j := 0; j <= i; j += 1) { var"
" y := 3; var v2[3] := {1,2,3}; if ((i + j + y + x + abs(v0[i % v0[]] -"
"v2[j % v2[]])) < 6) { var v3[3] := {1,2,3}; y += x / v3[j % v3[]]; "
"continue; } else break[i + j]; } } } ) == 18 "
"var x := 2; var v0[3] := {1,2,3}; ( ~{ for (var i := 0; i < 10; i += 1) { "
"for (var j := 0; j <= i; j += 1) { var y := 3; var v2[3] := {1,2,3}; if ( "
"(i + j + y + x + abs(v0[i % v0[]] - v2[j % v2[]])) < 6) { var v3[3] := "
"{1,2,3}; y += x / v3[j % v3[]]; continue; } else break[i + j]; } } } "
"+ ~{ for (var i := 0; i < 10; i += 1) { for (var j := 0; j <= i; j += 1) "
" { var y := 3; var v2[3] := {1,2,3}; if ((i + j + y + x + abs(v0[i % v0[]] - "
"v2[j % v2[]])) < 6) { var v3[3] := {1,2,3}; y += x / v3[j % v3[]]; "
"continue; } else break[i + j]; } } } ) == 18 "
};
const std::size_t expression_list_size = sizeof(expression_list) / sizeof(std::string);
@ -4593,25 +4609,25 @@ inline bool run_test19()
compositor
.add("is_prime_impl4",
"switch "
"{ "
" case 1 == x : false; "
" case 2 == x : true; "
" case 3 == x : true; "
" case 5 == x : true; "
" case 7 == x : true; "
" case 0 == x % 2 : false; "
" default : "
" { "
" for (i := 3; i < y; i += 2) "
" { "
" if ((x % i) == 0) "
" break[false]; "
" else "
" true; "
" } "
" }; "
"} ",
"switch "
"{ "
" case 1 == x : false; "
" case 2 == x : true; "
" case 3 == x : true; "
" case 5 == x : true; "
" case 7 == x : true; "
" case 0 == x % 2 : false; "
" default : "
" { "
" for (var i := 3; i < y; i += 2) "
" { "
" if ((x % i) == 0) "
" break[false]; "
" else "
" true; "
" } "
" }; "
"} ",
"x","y");
compositor
@ -5000,16 +5016,16 @@ inline bool run_test19()
" var real_min := -2.5; "
" var x_step := (real_max - real_min) / width; "
" var y_step := (imag_max - imag_min) / height; "
" for (y := 0; y < height; y += 1) "
" for (var y := 0; y < height; y += 1) "
" { "
" var imag := imag_min + (y_step * y); "
" for (x := 0; x < width; x += 1) "
" for (var x := 0; x < width; x += 1) "
" { "
" var real := real_min + x_step * x; "
" var z_real := real; "
" var z_imag := imag; "
" var plot_value; "
" for (n := 0; n < 30; n += 1) "
" for (var n := 0; n < 30; n += 1) "
" { "
" var a := z_real^2; "
" var b := z_imag^2; "