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| author | S. Gilles <sgilles@math.umd.edu> | 2019-02-19 08:19:08 -0500 |
|---|---|---|
| committer | Ori Bernstein <ori@markovcorp.com> | 2019-02-19 13:26:17 -0800 |
| commit | 36f4100dcea54700c0441a4667f601bcb5b1c59e (patch) | |
| tree | 6c0c9a5f56da5b38b8c6679dc79f81116e7f56b6 /lib | |
| parent | c95732cc7a4f47740ace668693d4216d9482da1a (diff) | |
| download | mc-36f4100dcea54700c0441a4667f601bcb5b1c59e.tar.gz | |
Allow bigparse to handle negative numbers
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/std/bigint.myr | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/lib/std/bigint.myr b/lib/std/bigint.myr index cbabe0f..c13f0df 100644 --- a/lib/std/bigint.myr +++ b/lib/std/bigint.myr @@ -234,6 +234,12 @@ const bigparse = {str var val : int, base var v, b var a + var s = 1 + + if hasprefix(str, "-") + s = -1 + str = str[1:] + ;; if hasprefix(str, "0x") || hasprefix(str, "0X") base = 16 @@ -271,7 +277,7 @@ const bigparse = {str if val == 0 v.sign = 0 else - v.sign = 1 + v.sign = s ;; bigmul(a, b) bigadd(a, v) |