parse: use MIN/MAXDOUBLE instead of some representation of NAN
Doesn't always work for C99.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
diff --git a/parse.c b/parse.c
index 3fda69c..144794a 100644
--- a/parse.c
+++ b/parse.c
@@ -10,6 +10,7 @@
#include <limits.h>
#include <stdlib.h>
#include <math.h>
+#include <values.h>
#include "parse.h"
#include "debug.h"
@@ -50,11 +51,11 @@
int (*logger)(const char *format, ...))
{
if (o->type == FIO_OPT_FLOAT_LIST){
- if (isnan(o->minfp) && isnan(o->maxfp))
+ if (o->minfp == MINDOUBLE && o->maxfp == MAXDOUBLE)
return;
logger("%20s: min=%f", "range", o->minfp);
- if (!isnan(o->maxfp))
+ if (o->maxfp != MAXDOUBLE)
logger(", max=%f", o->maxfp);
logger("\n");
} else {
@@ -510,12 +511,12 @@
log_err("not a floating point value: %s\n", ptr);
return 1;
}
- if (!isnan(o->maxfp) && uf > o->maxfp) {
+ if (uf > o->maxfp) {
log_err("value out of range: %f"
" (range max: %f)\n", uf, o->maxfp);
return 1;
}
- if (!isnan(o->minfp) && uf < o->minfp) {
+ if (uf < o->minfp) {
log_err("value out of range: %f"
" (range min: %f)\n", uf, o->minfp);
return 1;
@@ -1091,11 +1092,8 @@
o->maxval = UINT_MAX;
}
if (o->type == FIO_OPT_FLOAT_LIST) {
-#ifndef NAN
-#define NAN __builtin_nanf("")
-#endif
- o->minfp = NAN;
- o->maxfp = NAN;
+ o->minfp = MINDOUBLE;
+ o->maxfp = MAXDOUBLE;
}
if (o->type == FIO_OPT_STR_SET && o->def) {
log_err("Option %s: string set option with"