#include #include #include #include "test.h" /* r = place to store result * f = function call to test (or any expression) * x = expected result * m = message to print on failure (with formats for r & x) */ #define TEST(r, f, x, m) ( \ ((r) = (f)) == (x) || \ (t_error("%s failed (" m ")\n", #f, r, x, r-x), 0) ) int main(void) { int i; double d, d2; char buf[1000]; for (i=0; i<100; i++) { d = sin(i); snprintf(buf, sizeof buf, "%.300f", d); TEST(d2, strtod(buf, 0), d, "round trip fail %a != %a (%a)"); } TEST(d, strtod("0x1p4", 0), 16.0, "hex float %a != %a"); TEST(d, strtod("0x1.1p4", 0), 17.0, "hex float %a != %a"); printf("%s finished\n", __FILE__); return t_status; }