#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
#include <math.h>
#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 length(x) (sizeof(x) / sizeof *(x))
-#define TEST(r, f, x, m) ( \
- ((r) = (f)) == (x) || \
- (error("%s failed (" m ")\n", #f, r, x, r-x), 0) )
+static struct {
+ char *s;
+ double f;
+} t[] = {
+ {"0", 0.0},
+ {"00.00", 0.0},
+ {"-.00000", -0.0},
+ {"1e+1000000", INFINITY},
+ {"1e-1000000", 0},
+ // 2^-1074 * 0.5 - eps
+ {".2470328229206232720882843964341106861825299013071623822127928412503377536351043e-323", 0},
+ // 2^-1074 * 0.5 + eps
+ {".2470328229206232720882843964341106861825299013071623822127928412503377536351044e-323", 0x1p-1074},
+ // 2^-1074 * 1.5 - eps
+ {".7410984687618698162648531893023320585475897039214871466383785237510132609053131e-323", 0x1p-1074},
+ // 2^-1074 * 1.5 + eps
+ {".7410984687618698162648531893023320585475897039214871466383785237510132609053132e-323", 0x1p-1073},
+ // 2^-1022 + 2^-1075 - eps
+ {".2225073858507201630123055637955676152503612414573018013083228724049586647606759e-307", 0x1p-1022},
+ // 2^-1022 + 2^-1075 + eps
+ {".2225073858507201630123055637955676152503612414573018013083228724049586647606760e-307", 0x1.0000000000001p-1022},
+ // 2^1024 - 2^970 - eps
+ {"17976931348623158079372897140530341507993413271003782693617377898044"
+ "49682927647509466490179775872070963302864166928879109465555478519404"
+ "02630657488671505820681908902000708383676273854845817711531764475730"
+ "27006985557136695962284291481986083493647529271907416844436551070434"
+ "2711559699508093042880177904174497791.999999999999999999999999999999", 0x1.fffffffffffffp1023},
+ // 2^1024 - 2^970
+ {"17976931348623158079372897140530341507993413271003782693617377898044"
+ "49682927647509466490179775872070963302864166928879109465555478519404"
+ "02630657488671505820681908902000708383676273854845817711531764475730"
+ "27006985557136695962284291481986083493647529271907416844436551070434"
+ "2711559699508093042880177904174497792", INFINITY},
+ // some random numbers
+ {".5961860348131807091861002266453941950428e00", 0.59618603481318067}, // 0x1.313f4bc3b584cp-1
+ {"1.815013169218038729887460898733526957442e-1", 0.18150131692180388}, // 0x1.73b6f662e1712p-3
+ {"42.07082357534453600681618685682257590772e-2", 0.42070823575344535}, // 0x1.aece23c6e028dp-2
+ {"665.4686306516261456328973225579833470816e-3", 0.66546863065162609}, // 0x1.54b84dea53453p-1
+ {"6101.852922970868621786690495485449831753e-4", 0.61018529229708685}, // 0x1.386a34e5d516bp-1
+ {"76966.95208236968077849464348875471158549e-5", 0.76966952082369677}, // 0x1.8a121f9954dfap-1
+ {"250506.5322228682496132604807222923702304e-6", 0.25050653222286823}, // 0x1.0084c8cd538c2p-2
+ {"2740037.230228005325852424697698331177377e-7", 0.27400372302280052}, // 0x1.18946e9575ef4p-2
+ {"20723093.50049742645941529268715428324490e-8", 0.20723093500497428}, // 0x1.a868b14486e4dp-3
+ {"0.7900280238081604956226011047460238748912e1", 7.9002802380816046}, // 0x1.f99e3100f2eaep+2
+ {"0.9822860653737296848190558448760465863597e2", 98.228606537372968}, // 0x1.88ea17d506accp+6
+ {"0.7468949723190370809405570560160405324869e3", 746.89497231903704}, // 0x1.75728e73f48b7p+9
+ {"0.1630268320282728475980459844271031751665e4", 1630.2683202827284}, // 0x1.97912c28d5cbp+10
+ {"0.4637168629719170695109918769645492022088e5", 46371.686297191707}, // 0x1.6a475f6258737p+15
+ {"0.6537805944497711554209461686415872067523e6", 653780.59444977110}, // 0x1.3f3a9305bb86cp+19
+ {"0.2346324356502437045212230713960457676531e6", 234632.43565024371}, // 0x1.ca4437c3631eap+17
+ {"0.9709481716420048341897258980454298205278e8", 97094817.164200485}, // 0x1.7263284a8242cp+26
+ {"0.4996908522051874110779982354932499499602e9", 499690852.20518744}, // 0x1.dc8ad6434872ap+28
+};
-void test_strtod(void) {
+int main(void)
+{
int i;
- double d, d2;
- char buf[1000];
+ double x;
+ char *p;
- 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)");
+ for (i = 0; i < length(t); i++) {
+ x = strtod(t[i].s, &p);
+ if (x != t[i].f)
+ error("strtod(\"%s\") want %a got %a\n", t[i].s, t[i].f, x);
}
-
- TEST(d, strtod("0x1p4", 0), 16.0, "hex float %a != %a");
- TEST(d, strtod("0x1.1p4", 0), 17.0, "hex float %a != %a");
+ return test_status;
}
+