Normalize floating point negative zero to positive zero in `flodivmod'.

c31e1ea7 · Yukihiro "Matz" Matsumoto · 28405d26 · c31e1ea7
Commit c31e1ea7 authored Jul 31, 2019 by Yukihiro "Matz" Matsumoto
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src/numeric.c src/numeric.c +2 -0

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--- a/src/numeric.c
+++ b/src/numeric.c
@@ -320,6 +320,8 @@ flodivmod(mrb_state *mrb, double x, double y, mrb_float *divp, mrb_float *modp)
    div = (x - mod) / y;
    if (modp && divp) div = round(div);
  }
+  if (div == 0) div = 0.0;
+  if (mod == 0) mod = 0.0;
  if (y*mod < 0) {
    mod += y;
    div -= 1.0;