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std/math: fix __rem_pio2 underflow

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Error in translated code. Found by fuzzing.
This commit is contained in:
Marc Tiehuis 2021-12-06 00:49:03 +13:00
parent 149444723f
commit d28b445329
1 changed files with 1 additions and 1 deletions
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2
lib/std/math/__rem_pio2.zig
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@ -186,7 +186,7 @@ pub fn __rem_pio2(x: f64, y: *[2]f64) i32 {
while (tx[U(i)] == 0.0) {
i -= 1;
}
n = __rem_pio2_large(tx[0..], ty[0..], @intCast(i32, (ix >> 20) - (0x3ff + 23)), i + 1, 1);
n = __rem_pio2_large(tx[0..], ty[0..], @intCast(i32, (ix >> 20)) - (0x3ff + 23), i + 1, 1);
if (sign) {
y[0] = -ty[0];
y[1] = -ty[1];