github-mirrors/thirdparty-tinyexpr
1
0
Fork 0
mirror of https://github.com/eledio-devices/thirdparty-tinyexpr.git synced 2025-10-31 16:14:16 +01:00
Code Issues Packages Projects Releases Wiki Activity

add ncr and npr

Browse Source
This commit is contained in:
chendotjs
2017-03-26 22:30:08 +08:00
parent 8cc2313ea4
commit f11d02f9a9
2 changed files with 52 additions and 8 deletions
Download Patch File Download Diff File Expand all files Collapse all files

41
test.c
View File

@@ -214,6 +214,12 @@ void test_nans() {
"1%(1%0)",
"(1%0)%1",
"fac(-1)",
"ncr(2, 4)",
"ncr(-2, 4)",
"ncr(2, -4)",
"npr(2, 4)",
"npr(-2, 4)",
"npr(2, -4)",
};
int i;
@@ -242,6 +248,12 @@ void test_infs() {
"log(0)",
"pow(2,10000000)",
"fac(300)",
"ncr(300,100)",
"ncr(300000,100)",
"ncr(300000,100)*8",
"npr(3,2)*ncr(300000,100)",
"npr(100,90)",
"npr(30,25)",
};
int i;
@@ -618,13 +630,28 @@ void test_pow() {
void test_combinatorics() {
test_case cases[] = {
{"fac(0) ", 1},
{"fac(0.2) ", 1},
{"fac(1) ", 1},
{"fac(2) ", 2},
{"fac(3) ", 6},
{"fac(4.8) ", 24},
{"fac(10) ", 3628800},
{"fac(0)", 1},
{"fac(0.2)", 1},
{"fac(1)", 1},
{"fac(2)", 2},
{"fac(3)", 6},
{"fac(4.8)", 24},
{"fac(10)", 3628800},
{"ncr(0,0)", 1},
{"ncr(10,1)", 10},
{"ncr(10,0)", 1},
{"ncr(10,10)", 1},
{"ncr(16,7)", 11440},
{"ncr(16,9)", 11440},
{"ncr(100,95)", 75287520},
{"npr(0,0)", 1},
{"npr(10,1)", 10},
{"npr(10,0)", 1},
{"npr(10,10)", 3628800},
{"npr(20,5)", 1860480},
{"npr(100,4)", 94109400},
};