diff options
Diffstat (limited to 'src/vppinfra/format.c')
| -rw-r--r-- | src/vppinfra/format.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/src/vppinfra/format.c b/src/vppinfra/format.c index 999b093c174..70292c048ec 100644 --- a/src/vppinfra/format.c +++ b/src/vppinfra/format.c @@ -62,6 +62,7 @@ #include <vppinfra/error.h> #include <vppinfra/string.h> #include <vppinfra/os.h> /* os_puts */ +#include <vppinfra/math.h> typedef struct { @@ -708,8 +709,12 @@ format_float (u8 * s, f64 x, uword n_fraction_digits, uword output_style) sign = 1; } + /* Check for not-a-number. */ + if (isnan (x)) + return format (s, "%cNaN", sign ? '-' : '+'); + /* Check for infinity. */ - if (x == x / 2) + if (isinf (x)) return format (s, "%cinfinity", sign ? '-' : '+'); x = normalize (x, &expon, &prec); |