Ein Anderssono
54d2fecee0
- Added implementations for: bash, brainfuck, c, cpp, crystal, csharp, d, dart, elixir, erlang, fortran, go, haskell, java, javascript, julia, kotlin, objective-c, scala, typescript, lua, nim, odin, perl, php, python, r, ruby, rust, swift, zig, assembly, vimscript, wolfram - All implementations use Machin's formula: π/4 = 4*arctan(1/5) - arctan(1/239) - Build system with ./build.sh, test system with ./test.sh - Performance testing with ./run_all.sh - Comprehensive README.md explaining performance differences - Test framework verifies correctness against known π values
104 lines
2.6 KiB
C
104 lines
2.6 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#define SCRIPT_PATH "/Users/einand/Code/test/c/print_hej"
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char* run_script(const char* args) {
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char cmd[256];
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if (args && strlen(args) > 0) {
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snprintf(cmd, sizeof(cmd), "%s %s", SCRIPT_PATH, args);
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} else {
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snprintf(cmd, sizeof(cmd), "%s", SCRIPT_PATH);
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}
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FILE* pipe = popen(cmd, "r");
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if (!pipe) {
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return NULL;
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}
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char* result = malloc(100000);
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if (!result) {
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pclose(pipe);
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return NULL;
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}
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if (fgets(result, 100000, pipe) == NULL) {
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free(result);
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pclose(pipe);
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return NULL;
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}
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// Remove trailing newline
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size_t len = strlen(result);
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if (len > 0 && result[len-1] == '\n') {
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result[len-1] = '\0';
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}
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pclose(pipe);
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return result;
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}
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void test_10_decimals() {
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char* result = run_script("10");
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const char* expected = "3.1415926535";
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assert(strcmp(result, expected) == 0);
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printf("✓ Test 10 decimals passed\n");
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free(result);
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}
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void test_5_decimals() {
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char* result = run_script("5");
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const char* expected = "3.14159";
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assert(strcmp(result, expected) == 0);
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printf("✓ Test 5 decimals passed\n");
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free(result);
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}
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void test_1_decimal() {
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char* result = run_script("1");
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const char* expected = "3.1";
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assert(strcmp(result, expected) == 0);
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printf("✓ Test 1 decimal passed\n");
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free(result);
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}
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void test_100_decimals() {
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char* result = run_script("100");
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const char* expected = "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679";
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assert(strcmp(result, expected) == 0);
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printf("✓ Test 100 decimals passed\n");
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free(result);
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}
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void test_default_100_decimals() {
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char* result = run_script("");
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const char* expected = "3.1415926535897932384626433832795028841971693993751058209749445923078164062862089986280348253421170679";
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assert(strcmp(result, expected) == 0);
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printf("✓ Test default 100 decimals passed\n");
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free(result);
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}
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void test_10000_decimals() {
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char* result = run_script("10000");
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// Check length: "3." + 10000 digits = 10002 characters
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assert(strlen(result) == 10002);
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assert(strncmp(result, "3.14159", 7) == 0);
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printf("✓ Test 10000 decimals passed\n");
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free(result);
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}
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int main() {
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printf("Running C unit tests...\n\n");
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test_10_decimals();
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test_5_decimals();
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test_1_decimal();
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test_100_decimals();
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test_default_100_decimals();
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test_10000_decimals();
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printf("\n✓ All tests passed!\n");
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return 0;
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} |