Macintosh-SW/mpw
1
0
Fork 0
mirror of https://github.com/ksherlock/mpw.git synced 2026-04-20 09:17:16 +00:00
Code Issues Projects Releases Wiki Activity

testing -- static constants so long double padding is deterministic.

Browse Source
This commit is contained in:
Kelvin Sherlock
2016-11-13 14:55:46 -05:00
parent 9a98bb40b6
commit d0fa609c46
2 changed files with 63 additions and 30 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unit_testing/floating_point.cpp
+51 -18
View File
@@ -5,6 +5,7 @@
#include <cmath>
#include <cstring>
#include <inttypes.h>
namespace fp = floating_point;
@@ -26,6 +27,19 @@ void bitdump(const void *vp, unsigned bytes) {
printf("\n");
}
void print(const fp::info &fpi) {
printf("sign: %d\n", fpi.sign);
printf("one : %d\n", fpi.one);
printf("exp : %d\n", fpi.exp);
printf("sig : %" PRIx64 "\n", fpi.sig);
bitdump(&fpi.sig, 8);
printf("nan : %d\n", (int)fpi.nan);
printf("inf : %d\n", (int)fpi.inf);
printf("\n");
}
TEST_CASE( "1.0 is handled", "[floating point info]") {
@@ -191,9 +205,10 @@ TEST_CASE( "Inf is handled", "[floating point info]") {
TEST_CASE( "Re-cast 0.0", "[floating point info]") {
float target_f = 0.0;
double target_d = 0.0;
double target_ld = 0.0;
static const float target_f = 0.0;
static const double target_d = 0.0;
static const long double target_ld = 0.0;
long double ld;
double d;
float f;
@@ -204,6 +219,8 @@ TEST_CASE( "Re-cast 0.0", "[floating point info]") {
fpi.write(d);
fpi.write(ld);
//bitdump(&ld, sizeof(ld));
//bitdump(&target_ld, sizeof(target_ld));
REQUIRE(memcmp(&target_f, &f, sizeof(f)) == 0);
REQUIRE(memcmp(&target_d, &d, sizeof(d)) == 0);
@@ -213,9 +230,10 @@ TEST_CASE( "Re-cast 0.0", "[floating point info]") {
TEST_CASE( "Re-cast 1.0", "[floating point info]") {
float target_f = 1.0;
double target_d = 1.0;
double target_ld = 1.0;
static const float target_f = 1.0;
static const double target_d = 1.0;
static const long double target_ld = 1.0;
long double ld;
double d;
float f;
@@ -226,6 +244,8 @@ TEST_CASE( "Re-cast 1.0", "[floating point info]") {
fpi.write(d);
fpi.write(ld);
//bitdump(&ld, sizeof(ld));
//bitdump(&target_ld, sizeof(target_ld));
REQUIRE(memcmp(&target_f, &f, sizeof(f)) == 0);
REQUIRE(memcmp(&target_d, &d, sizeof(d)) == 0);
@@ -235,9 +255,10 @@ TEST_CASE( "Re-cast 1.0", "[floating point info]") {
TEST_CASE( "Re-cast -1.0", "[floating point info]") {
float target_f = -1.0;
double target_d = -1.0;
double target_ld = -1.0;
static const float target_f = -1.0;
static const double target_d = -1.0;
static const long double target_ld = -1.0;
long double ld;
double d;
float f;
@@ -248,6 +269,8 @@ TEST_CASE( "Re-cast -1.0", "[floating point info]") {
fpi.write(d);
fpi.write(ld);
//bitdump(&ld, sizeof(ld));
//bitdump(&target_ld, sizeof(target_ld));
REQUIRE(memcmp(&target_f, &f, sizeof(f)) == 0);
REQUIRE(memcmp(&target_d, &d, sizeof(d)) == 0);
@@ -258,9 +281,10 @@ TEST_CASE( "Re-cast -1.0", "[floating point info]") {
TEST_CASE( "Re-cast 1000.0", "[floating point info]") {
float target_f = 1000.0;
double target_d = 1000.0;
double target_ld = 1000.0;
static const float target_f = 1000.0;
static const double target_d = 1000.0;
static const long double target_ld = 1000.0;
long double ld;
double d;
float f;
@@ -271,6 +295,8 @@ TEST_CASE( "Re-cast 1000.0", "[floating point info]") {
fpi.write(d);
fpi.write(ld);
//bitdump(&ld, sizeof(ld));
//bitdump(&target_ld, sizeof(target_ld));
REQUIRE(memcmp(&target_f, &f, sizeof(f)) == 0);
REQUIRE(memcmp(&target_d, &d, sizeof(d)) == 0);
@@ -281,9 +307,10 @@ TEST_CASE( "Re-cast 1000.0", "[floating point info]") {
TEST_CASE( "Re-cast Inf", "[floating point info]") {
float target_f = 1.0/0.0;
double target_d = 1.0/0.0;
double target_ld = 1.0/0.0;
static const float target_f = 1.0/0.0;
static const double target_d = 1.0/0.0;
static const long double target_ld = 1.0/0.0;
long double ld;
double d;
float f;
@@ -294,6 +321,8 @@ TEST_CASE( "Re-cast Inf", "[floating point info]") {
fpi.write(d);
fpi.write(ld);
//bitdump(&ld, sizeof(ld));
//bitdump(&target_ld, sizeof(target_ld));
REQUIRE(memcmp(&target_f, &f, sizeof(f)) == 0);
REQUIRE(memcmp(&target_d, &d, sizeof(d)) == 0);
@@ -303,9 +332,10 @@ TEST_CASE( "Re-cast Inf", "[floating point info]") {
TEST_CASE( "Re-cast NaN", "[floating point info]") {
float target_f = nanf("16");
double target_d = nan("16");
double target_ld = nanl("16");
static const float target_f = nanf("16");
static const double target_d = nan("16");
static const long double target_ld = nanl("16");
long double ld;
double d;
float f;
@@ -317,6 +347,9 @@ TEST_CASE( "Re-cast NaN", "[floating point info]") {
fpi.write(ld);
//bitdump(&ld, sizeof(ld));
//bitdump(&target_ld, sizeof(target_ld));
REQUIRE(memcmp(&target_f, &f, sizeof(f)) == 0);
REQUIRE(memcmp(&target_d, &d, sizeof(d)) == 0);
REQUIRE(memcmp(&target_ld, &ld, sizeof(ld)) == 0);