diff options
| -rw-r--r-- | src/nvim/eval.c | 22 |
1 files changed, 19 insertions, 3 deletions
diff --git a/src/nvim/eval.c b/src/nvim/eval.c index e4e7b63fe3..c360d306d4 100644 --- a/src/nvim/eval.c +++ b/src/nvim/eval.c @@ -6839,9 +6839,25 @@ vim_to_msgpack_error_ret: \ #define CONV_FLOAT(flt) \ do { \ - char numbuf[NUMBUFLEN]; \ - vim_snprintf(numbuf, NUMBUFLEN - 1, "%g", (flt)); \ - ga_concat(gap, (char_u *) numbuf); \ + const float_T flt_ = (flt); \ + switch (fpclassify(flt_)) { \ + case FP_NAN: { \ + ga_concat(gap, (char_u *) "str2float('nan')"); \ + break; \ + } \ + case FP_INFINITE: { \ + if (flt_ < 0) { \ + ga_append(gap, '-'); \ + } \ + ga_concat(gap, (char_u *) "str2float('inf')"); \ + break; \ + } \ + default: { \ + char numbuf[NUMBUFLEN]; \ + vim_snprintf(numbuf, NUMBUFLEN - 1, "%g", flt_); \ + ga_concat(gap, (char_u *) numbuf); \ + } \ + } \ } while (0) #define CONV_FUNC(fun) \ |