7 /* r = place to store result
8 * f = function call to test (or any expression)
10 * m = message to print on failure (with formats for r & x)
13 #define TEST(r, f, x, m) ( \
14 ((r) = (f)) == (x) || \
15 (error("%s failed (" m ")\n", #f, r, x, r-x), 0) )
17 void test_strtod_simple(void) {
22 for (i=0; i<100; i++) {
24 snprintf(buf, sizeof buf, "%.300f", d);
25 TEST(d2, strtod(buf, 0), d, "round trip fail %a != %a (%a)");
28 TEST(d, strtod("0x1p4", 0), 16.0, "hex float %a != %a");
29 TEST(d, strtod("0x1.1p4", 0), 17.0, "hex float %a != %a");
32 #define length(x) (sizeof(x) / sizeof(*(x)))
34 /* TODO: float exceptions, rounding mode, endptr check */
41 {"1.2345e1", 12.345L},
42 // 2^-16445 * 0.5 - eps
43 {".1822599765941237301264202966809709908199525407846781671860490243514185844316698e-4950", 0},
44 // 2^-16445 * 0.5 + eps
45 {".1822599765941237301264202966809709908199525407846781671860490243514185844316699e-4950", 0x1p-16445L},
46 // 2^-16445 * 1.5 - eps
47 {".5467799297823711903792608900429129724598576223540345015581470730542557532950096e-4950", 0x1p-16445L},
48 // 2^-16445 * 1.5 + eps
49 {".5467799297823711903792608900429129724598576223540345015581470730542557532950097e-4950", 0x1p-16444L},
50 // 2^-16382 + 2^-16446 - eps
51 {".3362103143112093506444937793915876332724499641527442230928779770593420866576777e-4931", 0x1p-16382L},
52 // 2^-16382 + 2^-16446 + eps
53 {".3362103143112093506444937793915876332724499641527442230928779770593420866576778e-4931", 0x1.0000000000000002p-16382L},
60 {"1e+1000000", INFINITY},
62 // 2^-1074 * 0.5 - eps
63 {".2470328229206232720882843964341106861825299013071623822127928412503377536351043e-323", 0},
64 // 2^-1074 * 0.5 + eps
65 {".2470328229206232720882843964341106861825299013071623822127928412503377536351044e-323", 0x1p-1074},
66 // 2^-1074 * 1.5 - eps
67 {".7410984687618698162648531893023320585475897039214871466383785237510132609053131e-323", 0x1p-1074},
68 // 2^-1074 * 1.5 + eps
69 {".7410984687618698162648531893023320585475897039214871466383785237510132609053132e-323", 0x1p-1073},
70 // 2^-1022 + 2^-1075 - eps
71 {".2225073858507201630123055637955676152503612414573018013083228724049586647606759e-307", 0x1p-1022},
72 // 2^-1022 + 2^-1075 + eps
73 {".2225073858507201630123055637955676152503612414573018013083228724049586647606760e-307", 0x1.0000000000001p-1022},
80 {".7006492321624085354618647916449580656401309709382578858785341419448955413429303e-45", 0},
82 {".7006492321624085354618647916449580656401309709382578858785341419448955413429304e-45", 0x1p-149},
84 {".2101947696487225606385594374934874196920392912814773657635602425834686624028790e-44", 0x1p-149},
86 {".2101947696487225606385594374934874196920392912814773657635602425834686624028791e-44", 0x1p-148},
87 // 2^-126 + 2^-150 - eps
88 {".1175494420887210724209590083408724842314472120785184615334540294131831453944281e-37", 0x1p-126},
89 // 2^-126 + 2^-150 + eps
90 {".1175494420887210724209590083408724842314472120785184615334540294131831453944282e-37", 0x1.000002p-126},
100 for (i = 0; i < length(tl); i++) {
101 x = strtold(tl[i].s, &p);
103 error("strtold(\"%s\") want %La got %La\n", tl[i].s, tl[i].f, x);
113 for (i = 0; i < length(t); i++) {
114 x = strtod(t[i].s, &p);
116 error("strtod(\"%s\") want %a got %a\n", t[i].s, t[i].f, x);
126 for (i = 0; i < length(tf); i++) {
127 x = strtof(tf[i].s, &p);
129 error("strtof(\"%s\") want %a got %a\n", tf[i].s, tf[i].f, x);