Add IEEE 754 test case

Signed-off-by: Jens Axboe <axboe@kernel.dk>

diff --git a/Makefile b/Makefile
index da0bb199458e6e303cc6b6047f4f8484be1dce72..2b9c006ba9f1b63c6c9715ee7591ff41676d2e1b 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -63,9 +63,16 @@ endif
 
 OBJS = $(SOURCE:.c=.o)
 
 
 OBJS = $(SOURCE:.c=.o)
 

-T_OBJS = t/stest.o
-T_OBJS += mutex.o smalloc.o t/log.o
-T_PROGS = t/stest
+T_SMALLOC_OBJS = t/stest.o
+T_SMALLOC_OBJS += mutex.o smalloc.o t/log.o
+T_SMALLOC_PROGS = t/stest
+
+T_IEEE_OBJS = t/ieee754.o
+T_IEEE_OBJS += ieee754.o
+T_IEEE_PROGS = t/ieee754
+
+T_OBJS = $(T_SMALLOC_OBJS)
+T_OBJS += $(T_IEEE_OBJS)

 
 ifneq ($(findstring $(MAKEFLAGS),s),s)
 ifndef V
 
 ifneq ($(findstring $(MAKEFLAGS),s),s)
 ifndef V


@@ -84,8 +91,11 @@ all: .depend $(PROGS) $(SCRIPTS)
 .c.o: .depend
        $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(CPPFLAGS) $<
 
 .c.o: .depend
        $(QUIET_CC)$(CC) -o $@ -c $(CFLAGS) $(CPPFLAGS) $<
 

-t/stest: $(T_OBJS)
-       $(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(T_OBJS) $(LIBS) $(LDFLAGS)
+t/stest: $(T_SMALLOC_OBJS)
+       $(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(T_SMALLOC_OBJS) $(LIBS) $(LDFLAGS)
+
+t/ieee754: $(T_IEEE_OBJS)
+       $(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(T_IEEE_OBJS) $(LIBS) $(LDFLAGS)

 
 fio: $(OBJS)
        $(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJS) $(LIBS) $(LDFLAGS)
 
 fio: $(OBJS)
        $(QUIET_CC)$(CC) $(LDFLAGS) $(CFLAGS) -o $@ $(OBJS) $(LIBS) $(LDFLAGS)

diff --git a/t/ieee754.c b/t/ieee754.c
new file mode 100644 (file)
index 0000000..afc25f3
--- /dev/null
+++ b/t/ieee754.c
@@ -0,0 +1,21 @@
+#include <stdio.h>
+#include "../ieee754.h"
+
+static double values[] = { -17.23, 17.23, 123.4567, 98765.4321, 0.0 };
+
+int main(int argc, char *argv[])
+{
+       uint64_t i;
+       double f;
+       int j;
+
+       j = 0;
+       do {
+               i = fio_double_to_uint64(values[j]);
+               f = fio_uint64_to_double(i);
+               printf("%f -> %f\n", values[j], f);
+               j++;
+       } while (values[j] != 0.0);
+
+       return 0;
+}