switch to double in conic split on infinities

If the input conic doesn't contain infinities, it should be possible
to compute the split conic without infinities as well. Fix the case
fuzzer exposes.

R=reed@google.com,fmalita@chromium.org
Bug: skia:7435
Change-Id: Ic128fa14ea0622188e5c43efc16b684efa342e9e
Reviewed-on: https://skia-review.googlesource.com/102425
Commit-Queue: Cary Clark <caryclark@google.com>
Reviewed-by: Florin Malita <fmalita@chromium.org>

2 files changed, 174 insertions, 3 deletions

diff --git a/gm/strokes.cpp b/gm/strokes.cpp
index 50b940a4ed..109a7fc0bd 100644
--- a/gm/strokes.cpp
+++ b/gm/strokes.cpp
@@ -563,3 +563,167 @@ DEF_SIMPLE_GM(longrect_dash, canvas, 250, 250) {
     }
 }
 #endif
+
+DEF_SIMPLE_GM(bigconic, canvas, 250, 250) {
+    SkPaint paint;
+SkPath path;
+path.setFillType(SkPath::kWinding_FillType);
+path.moveTo(SkBits2Float(0x7f07a5af), SkBits2Float(0xff07ff1d));  // 1.80306e+38f, -1.8077e+38f
+path.lineTo(SkBits2Float(0x7edf4b2d), SkBits2Float(0xfedffe0a));  // 1.48404e+38f, -1.48868e+38f
+path.lineTo(SkBits2Float(0x7edf4585), SkBits2Float(0xfee003b2));  // 1.48389e+38f, -1.48883e+38f
+path.lineTo(SkBits2Float(0x7ef348e9), SkBits2Float(0xfef403c6));  // 1.6169e+38f, -1.62176e+38f
+path.lineTo(SkBits2Float(0x7ef74c4e), SkBits2Float(0xfef803cb));  // 1.64358e+38f, -1.64834e+38f
+path.conicTo(SkBits2Float(0x7ef74f23), SkBits2Float(0xfef8069e), SkBits2Float(0x7ef751f6), SkBits2Float(0xfef803c9), SkBits2Float(0x3f3504f3));  // 1.64365e+38f, -1.64841e+38f, 1.64372e+38f, -1.64834e+38f, 0.707107f
+path.conicTo(SkBits2Float(0x7ef754c8), SkBits2Float(0xfef800f5), SkBits2Float(0x7ef751f5), SkBits2Float(0xfef7fe22), SkBits2Float(0x3f353472));  // 1.6438e+38f, -1.64827e+38f, 1.64372e+38f, -1.64819e+38f, 0.707832f
+path.lineTo(SkBits2Float(0x7edb57a9), SkBits2Float(0xfedbfe06));  // 1.45778e+38f, -1.4621e+38f
+path.lineTo(SkBits2Float(0x7e875976), SkBits2Float(0xfe87fdb3));  // 8.99551e+37f, -9.03815e+37f
+path.lineTo(SkBits2Float(0x7ded5c2b), SkBits2Float(0xfdeff59e));  // 3.94382e+37f, -3.98701e+37f
+path.lineTo(SkBits2Float(0x7d7a78a7), SkBits2Float(0xfd7fda0f));  // 2.08083e+37f, -2.12553e+37f
+path.lineTo(SkBits2Float(0x7d7a6403), SkBits2Float(0xfd7fe461));  // 2.08016e+37f, -2.12587e+37f
+path.conicTo(SkBits2Float(0x7d7a4764), SkBits2Float(0xfd7ff2b0), SkBits2Float(0x7d7a55b4), SkBits2Float(0xfd8007a8), SkBits2Float(0x3f3504f3));  // 2.07924e+37f, -2.12633e+37f, 2.0797e+37f, -2.12726e+37f, 0.707107f
+path.conicTo(SkBits2Float(0x7d7a5803), SkBits2Float(0xfd8009f7), SkBits2Float(0x7d7a5ba9), SkBits2Float(0xfd800bcc), SkBits2Float(0x3f7cba66));  // 2.07977e+37f, -2.12741e+37f, 2.07989e+37f, -2.12753e+37f, 0.987219f
+path.lineTo(SkBits2Float(0x7d8d2067), SkBits2Float(0xfd900bdb));  // 2.34487e+37f, -2.39338e+37f
+path.lineTo(SkBits2Float(0x7ddd137a), SkBits2Float(0xfde00c2d));  // 3.67326e+37f, -3.72263e+37f
+path.lineTo(SkBits2Float(0x7ddd2a1b), SkBits2Float(0xfddff58e));  // 3.67473e+37f, -3.72116e+37f
+path.lineTo(SkBits2Float(0x7c694ae5), SkBits2Float(0xfc7fa67c));  // 4.8453e+36f, -5.30965e+36f
+path.lineTo(SkBits2Float(0xfc164a8b), SkBits2Float(0x7c005af5));  // -3.12143e+36f, 2.66584e+36f
+path.lineTo(SkBits2Float(0xfc8ae983), SkBits2Float(0x7c802da7));  // -5.77019e+36f, 5.32432e+36f
+path.lineTo(SkBits2Float(0xfc8b16d9), SkBits2Float(0x7c80007b));  // -5.77754e+36f, 5.31699e+36f
+path.lineTo(SkBits2Float(0xfc8b029c), SkBits2Float(0x7c7f8788));  // -5.77426e+36f, 5.30714e+36f
+path.lineTo(SkBits2Float(0xfc8b0290), SkBits2Float(0x7c7f8790));  // -5.77425e+36f, 5.30714e+36f
+path.lineTo(SkBits2Float(0xfc8b16cd), SkBits2Float(0x7c80007f));  // -5.77753e+36f, 5.31699e+36f
+path.lineTo(SkBits2Float(0xfc8b4409), SkBits2Float(0x7c7fa672));  // -5.78487e+36f, 5.30965e+36f
+path.lineTo(SkBits2Float(0x7d7aa2ba), SkBits2Float(0xfd800bd1));  // 2.0822e+37f, -2.12753e+37f
+path.lineTo(SkBits2Float(0x7e8757ee), SkBits2Float(0xfe88035b));  // 8.99512e+37f, -9.03962e+37f
+path.lineTo(SkBits2Float(0x7ef7552d), SkBits2Float(0xfef803ca));  // 1.64381e+38f, -1.64834e+38f
+path.lineTo(SkBits2Float(0x7f0fa653), SkBits2Float(0xff1001f9));  // 1.90943e+38f, -1.91419e+38f
+path.lineTo(SkBits2Float(0x7f0fa926), SkBits2Float(0xff0fff24));  // 1.90958e+38f, -1.91404e+38f
+path.lineTo(SkBits2Float(0x7f0da75c), SkBits2Float(0xff0dff22));  // 1.8829e+38f, -1.88746e+38f
+path.lineTo(SkBits2Float(0x7f07a5af), SkBits2Float(0xff07ff1d));  // 1.80306e+38f, -1.8077e+38f
+path.close();
+path.moveTo(SkBits2Float(0x7f07a2db), SkBits2Float(0xff0801f1));  // 1.80291e+38f, -1.80785e+38f
+path.lineTo(SkBits2Float(0x7f0da48a), SkBits2Float(0xff0e01f8));  // 1.88275e+38f, -1.88761e+38f
+path.lineTo(SkBits2Float(0x7f0fa654), SkBits2Float(0xff1001fa));  // 1.90943e+38f, -1.91419e+38f
+path.lineTo(SkBits2Float(0x7f0fa7bd), SkBits2Float(0xff10008f));  // 1.90951e+38f, -1.91412e+38f
+path.lineTo(SkBits2Float(0x7f0fa927), SkBits2Float(0xff0fff25));  // 1.90958e+38f, -1.91404e+38f
+path.lineTo(SkBits2Float(0x7ef75ad5), SkBits2Float(0xfef7fe22));  // 1.64395e+38f, -1.64819e+38f
+path.lineTo(SkBits2Float(0x7e875d96), SkBits2Float(0xfe87fdb3));  // 8.99659e+37f, -9.03815e+37f
+path.lineTo(SkBits2Float(0x7d7acff6), SkBits2Float(0xfd7fea5b));  // 2.08367e+37f, -2.12606e+37f
+path.lineTo(SkBits2Float(0xfc8b0588), SkBits2Float(0x7c8049b7));  // -5.77473e+36f, 5.32887e+36f
+path.lineTo(SkBits2Float(0xfc8b2b16), SkBits2Float(0x7c803d32));  // -5.78083e+36f, 5.32684e+36f
+path.conicTo(SkBits2Float(0xfc8b395c), SkBits2Float(0x7c803870), SkBits2Float(0xfc8b4405), SkBits2Float(0x7c802dd1), SkBits2Float(0x3f79349d));  // -5.78314e+36f, 5.32607e+36f, -5.78487e+36f, 5.32435e+36f, 0.973459f
+path.conicTo(SkBits2Float(0xfc8b715b), SkBits2Float(0x7c8000a5), SkBits2Float(0xfc8b442f), SkBits2Float(0x7c7fa69e), SkBits2Float(0x3f3504f3));  // -5.79223e+36f, 5.31702e+36f, -5.7849e+36f, 5.30966e+36f, 0.707107f
+path.lineTo(SkBits2Float(0xfc16ffaa), SkBits2Float(0x7bff4c12));  // -3.13612e+36f, 2.65116e+36f
+path.lineTo(SkBits2Float(0x7c6895e0), SkBits2Float(0xfc802dc0));  // 4.83061e+36f, -5.32434e+36f
+path.lineTo(SkBits2Float(0x7ddd137b), SkBits2Float(0xfde00c2e));  // 3.67326e+37f, -3.72263e+37f
+path.lineTo(SkBits2Float(0x7ddd1ecb), SkBits2Float(0xfde000de));  // 3.67399e+37f, -3.72189e+37f
+path.lineTo(SkBits2Float(0x7ddd2a1c), SkBits2Float(0xfddff58f));  // 3.67473e+37f, -3.72116e+37f
+path.lineTo(SkBits2Float(0x7d8d3711), SkBits2Float(0xfd8ff543));  // 2.34634e+37f, -2.39191e+37f
+path.lineTo(SkBits2Float(0x7d7a88fe), SkBits2Float(0xfd7fea69));  // 2.08136e+37f, -2.12606e+37f
+path.lineTo(SkBits2Float(0x7d7a7254), SkBits2Float(0xfd800080));  // 2.08063e+37f, -2.1268e+37f
+path.lineTo(SkBits2Float(0x7d7a80a4), SkBits2Float(0xfd800ed0));  // 2.08109e+37f, -2.12773e+37f
+path.lineTo(SkBits2Float(0x7d7a80a8), SkBits2Float(0xfd800ecf));  // 2.08109e+37f, -2.12773e+37f
+path.lineTo(SkBits2Float(0x7d7a7258), SkBits2Float(0xfd80007f));  // 2.08063e+37f, -2.1268e+37f
+path.lineTo(SkBits2Float(0x7d7a5bb9), SkBits2Float(0xfd800bd0));  // 2.0799e+37f, -2.12753e+37f
+path.lineTo(SkBits2Float(0x7ded458b), SkBits2Float(0xfdf00c3e));  // 3.94235e+37f, -3.98848e+37f
+path.lineTo(SkBits2Float(0x7e8753ce), SkBits2Float(0xfe88035b));  // 8.99405e+37f, -9.03962e+37f
+path.lineTo(SkBits2Float(0x7edb5201), SkBits2Float(0xfedc03ae));  // 1.45763e+38f, -1.46225e+38f
+path.lineTo(SkBits2Float(0x7ef74c4d), SkBits2Float(0xfef803ca));  // 1.64358e+38f, -1.64834e+38f
+path.lineTo(SkBits2Float(0x7ef74f21), SkBits2Float(0xfef800f6));  // 1.64365e+38f, -1.64827e+38f
+path.lineTo(SkBits2Float(0x7ef751f4), SkBits2Float(0xfef7fe21));  // 1.64372e+38f, -1.64819e+38f
+path.lineTo(SkBits2Float(0x7ef34e91), SkBits2Float(0xfef3fe1e));  // 1.61705e+38f, -1.62161e+38f
+path.lineTo(SkBits2Float(0x7edf4b2d), SkBits2Float(0xfedffe0a));  // 1.48404e+38f, -1.48868e+38f
+path.lineTo(SkBits2Float(0x7edf4859), SkBits2Float(0xfee000de));  // 1.48397e+38f, -1.48876e+38f
+path.lineTo(SkBits2Float(0x7edf4585), SkBits2Float(0xfee003b2));  // 1.48389e+38f, -1.48883e+38f
+path.lineTo(SkBits2Float(0x7f07a2db), SkBits2Float(0xff0801f1));  // 1.80291e+38f, -1.80785e+38f
+path.close();
+path.moveTo(SkBits2Float(0xfab120db), SkBits2Float(0x77b50b4f));  // -4.59851e+35f, 7.34402e+33f
+path.lineTo(SkBits2Float(0xfd6597e5), SkBits2Float(0x7d60177f));  // -1.90739e+37f, 1.86168e+37f
+path.lineTo(SkBits2Float(0xfde2cea1), SkBits2Float(0x7de00c2e));  // -3.76848e+37f, 3.72263e+37f
+path.lineTo(SkBits2Float(0xfe316511), SkBits2Float(0x7e300657));  // -5.89495e+37f, 5.84943e+37f
+path.lineTo(SkBits2Float(0xfe415da1), SkBits2Float(0x7e400666));  // -6.42568e+37f, 6.38112e+37f
+path.lineTo(SkBits2Float(0xfe41634a), SkBits2Float(0x7e4000be));  // -6.42641e+37f, 6.38039e+37f
+path.lineTo(SkBits2Float(0xfe41634a), SkBits2Float(0x7e3ff8be));  // -6.42641e+37f, 6.37935e+37f
+path.lineTo(SkBits2Float(0xfe416349), SkBits2Float(0x7e3ff8be));  // -6.42641e+37f, 6.37935e+37f
+path.lineTo(SkBits2Float(0xfe415f69), SkBits2Float(0x7e3ff8be));  // -6.42591e+37f, 6.37935e+37f
+path.lineTo(SkBits2Float(0xfe415bc9), SkBits2Float(0x7e3ff8be));  // -6.42544e+37f, 6.37935e+37f
+path.lineTo(SkBits2Float(0xfe415bc9), SkBits2Float(0x7e4000be));  // -6.42544e+37f, 6.38039e+37f
+path.lineTo(SkBits2Float(0xfe416171), SkBits2Float(0x7e3ffb16));  // -6.42617e+37f, 6.37966e+37f
+path.lineTo(SkBits2Float(0xfe016131), SkBits2Float(0x7dfff5ae));  // -4.29938e+37f, 4.25286e+37f
+path.lineTo(SkBits2Float(0xfe0155e2), SkBits2Float(0x7e000628));  // -4.29791e+37f, 4.25433e+37f
+path.lineTo(SkBits2Float(0xfe0958ea), SkBits2Float(0x7e080630));  // -4.56415e+37f, 4.52018e+37f
+path.lineTo(SkBits2Float(0xfe115c92), SkBits2Float(0x7e100638));  // -4.83047e+37f, 4.78603e+37f
+path.conicTo(SkBits2Float(0xfe11623c), SkBits2Float(0x7e100bdf), SkBits2Float(0xfe1167e2), SkBits2Float(0x7e100636), SkBits2Float(0x3f3504f3));  // -4.8312e+37f, 4.78676e+37f, -4.83194e+37f, 4.78603e+37f, 0.707107f
+path.conicTo(SkBits2Float(0xfe116d87), SkBits2Float(0x7e10008e), SkBits2Float(0xfe1167e2), SkBits2Float(0x7e0ffae8), SkBits2Float(0x3f35240a));  // -4.83267e+37f, 4.78529e+37f, -4.83194e+37f, 4.78456e+37f, 0.707581f
+path.lineTo(SkBits2Float(0xfe016b92), SkBits2Float(0x7dfff5af));  // -4.30072e+37f, 4.25286e+37f
+path.lineTo(SkBits2Float(0xfdc2d963), SkBits2Float(0x7dbff56e));  // -3.23749e+37f, 3.18946e+37f
+path.lineTo(SkBits2Float(0xfd65ae25), SkBits2Float(0x7d5fea3d));  // -1.90811e+37f, 1.86021e+37f
+path.lineTo(SkBits2Float(0xfab448de), SkBits2Float(0xf7b50a19));  // -4.68046e+35f, -7.34383e+33f
+path.lineTo(SkBits2Float(0xfab174d9), SkBits2Float(0x43480000));  // -4.60703e+35f, 200
+path.lineTo(SkBits2Float(0xfab174d9), SkBits2Float(0x7800007f));  // -4.60703e+35f, 1.03848e+34f
+path.lineTo(SkBits2Float(0xfab3f4db), SkBits2Float(0x7800007f));  // -4.67194e+35f, 1.03848e+34f
+path.lineTo(SkBits2Float(0xfab3f4db), SkBits2Float(0x43480000));  // -4.67194e+35f, 200
+path.lineTo(SkBits2Float(0xfab120db), SkBits2Float(0x77b50b4f));  // -4.59851e+35f, 7.34402e+33f
+path.close();
+path.moveTo(SkBits2Float(0xfab59cf2), SkBits2Float(0xf800007e));  // -4.71494e+35f, -1.03847e+34f
+path.lineTo(SkBits2Float(0xfaa7cc52), SkBits2Float(0xf800007f));  // -4.35629e+35f, -1.03848e+34f
+path.lineTo(SkBits2Float(0xfd6580e5), SkBits2Float(0x7d60177f));  // -1.90664e+37f, 1.86168e+37f
+path.lineTo(SkBits2Float(0xfdc2c2c1), SkBits2Float(0x7dc00c0f));  // -3.23602e+37f, 3.19093e+37f
+path.lineTo(SkBits2Float(0xfe016040), SkBits2Float(0x7e000626));  // -4.29925e+37f, 4.25433e+37f
+path.lineTo(SkBits2Float(0xfe115c90), SkBits2Float(0x7e100636));  // -4.83047e+37f, 4.78603e+37f
+path.lineTo(SkBits2Float(0xfe116239), SkBits2Float(0x7e10008f));  // -4.8312e+37f, 4.78529e+37f
+path.lineTo(SkBits2Float(0xfe1167e0), SkBits2Float(0x7e0ffae6));  // -4.83194e+37f, 4.78456e+37f
+path.lineTo(SkBits2Float(0xfe096438), SkBits2Float(0x7e07fade));  // -4.56562e+37f, 4.51871e+37f
+path.lineTo(SkBits2Float(0xfe016130), SkBits2Float(0x7dfff5ac));  // -4.29938e+37f, 4.25286e+37f
+path.lineTo(SkBits2Float(0xfe015b89), SkBits2Float(0x7e00007f));  // -4.29864e+37f, 4.25359e+37f
+path.lineTo(SkBits2Float(0xfe0155e1), SkBits2Float(0x7e000627));  // -4.29791e+37f, 4.25433e+37f
+path.lineTo(SkBits2Float(0xfe415879), SkBits2Float(0x7e4008bf));  // -6.42501e+37f, 6.38143e+37f
+path.lineTo(SkBits2Float(0xfe415f69), SkBits2Float(0x7e4008bf));  // -6.42591e+37f, 6.38143e+37f
+path.lineTo(SkBits2Float(0xfe416349), SkBits2Float(0x7e4008bf));  // -6.42641e+37f, 6.38143e+37f
+path.lineTo(SkBits2Float(0xfe41634a), SkBits2Float(0x7e4008bf));  // -6.42641e+37f, 6.38143e+37f
+path.conicTo(SkBits2Float(0xfe416699), SkBits2Float(0x7e4008bf), SkBits2Float(0xfe4168f1), SkBits2Float(0x7e400668), SkBits2Float(0x3f6c8ed9));  // -6.42684e+37f, 6.38143e+37f, -6.42715e+37f, 6.38113e+37f, 0.924055f
+path.conicTo(SkBits2Float(0xfe416e9a), SkBits2Float(0x7e4000c2), SkBits2Float(0xfe4168f3), SkBits2Float(0x7e3ffb17), SkBits2Float(0x3f3504f3));  // -6.42788e+37f, 6.38039e+37f, -6.42715e+37f, 6.37966e+37f, 0.707107f
+path.lineTo(SkBits2Float(0xfe317061), SkBits2Float(0x7e2ffb07));  // -5.89642e+37f, 5.84796e+37f
+path.lineTo(SkBits2Float(0xfde2e542), SkBits2Float(0x7ddff58e));  // -3.76995e+37f, 3.72116e+37f
+path.lineTo(SkBits2Float(0xfd65c525), SkBits2Float(0x7d5fea3d));  // -1.90886e+37f, 1.86021e+37f
+path.lineTo(SkBits2Float(0xfab6c8db), SkBits2Float(0xf7b50b4f));  // -4.74536e+35f, -7.34402e+33f
+path.lineTo(SkBits2Float(0xfab59cf2), SkBits2Float(0xf800007e));  // -4.71494e+35f, -1.03847e+34f
+path.close();
+path.moveTo(SkBits2Float(0xfab3f4db), SkBits2Float(0x43480000));  // -4.67194e+35f, 200
+path.lineTo(SkBits2Float(0xfab174d9), SkBits2Float(0x43480000));  // -4.60703e+35f, 200
+path.quadTo(SkBits2Float(0xfd0593a5), SkBits2Float(0x7d00007f), SkBits2Float(0xfd659785), SkBits2Float(0x7d6000de));  // -1.10971e+37f, 1.0634e+37f, -1.90737e+37f, 1.86095e+37f
+path.quadTo(SkBits2Float(0xfda2cdf2), SkBits2Float(0x7da0009f), SkBits2Float(0xfdc2ce12), SkBits2Float(0x7dc000be));  // -2.70505e+37f, 2.6585e+37f, -3.23675e+37f, 3.1902e+37f
+path.quadTo(SkBits2Float(0xfde2ce31), SkBits2Float(0x7de000de), SkBits2Float(0xfe0165e9), SkBits2Float(0x7e00007f));  // -3.76845e+37f, 3.72189e+37f, -4.29999e+37f, 4.25359e+37f
+path.quadTo(SkBits2Float(0xfe1164b9), SkBits2Float(0x7e10008f), SkBits2Float(0xfe116239), SkBits2Float(0x7e10008f));  // -4.83153e+37f, 4.78529e+37f, -4.8312e+37f, 4.78529e+37f
+path.quadTo(SkBits2Float(0xfe116039), SkBits2Float(0x7e10008f), SkBits2Float(0xfe095e91), SkBits2Float(0x7e080087));  // -4.83094e+37f, 4.78529e+37f, -4.56488e+37f, 4.51944e+37f
+path.quadTo(SkBits2Float(0xfe015d09), SkBits2Float(0x7e00007f), SkBits2Float(0xfe015b89), SkBits2Float(0x7e00007f));  // -4.29884e+37f, 4.25359e+37f, -4.29864e+37f, 4.25359e+37f
+path.lineTo(SkBits2Float(0xfe415bc9), SkBits2Float(0x7e4000be));  // -6.42544e+37f, 6.38039e+37f
+path.quadTo(SkBits2Float(0xfe415da9), SkBits2Float(0x7e4000be), SkBits2Float(0xfe415f69), SkBits2Float(0x7e4000be));  // -6.42568e+37f, 6.38039e+37f, -6.42591e+37f, 6.38039e+37f
+path.quadTo(SkBits2Float(0xfe416149), SkBits2Float(0x7e4000be), SkBits2Float(0xfe416349), SkBits2Float(0x7e4000be));  // -6.42615e+37f, 6.38039e+37f, -6.42641e+37f, 6.38039e+37f
+path.quadTo(SkBits2Float(0xfe416849), SkBits2Float(0x7e4000be), SkBits2Float(0xfe316ab9), SkBits2Float(0x7e3000af));  // -6.42706e+37f, 6.38039e+37f, -5.89569e+37f, 5.84869e+37f
+path.quadTo(SkBits2Float(0xfe216d29), SkBits2Float(0x7e20009f), SkBits2Float(0xfde2d9f2), SkBits2Float(0x7de000de));  // -5.36431e+37f, 5.31699e+37f, -3.76921e+37f, 3.72189e+37f
+path.quadTo(SkBits2Float(0xfda2d9b2), SkBits2Float(0x7da0009f), SkBits2Float(0xfd65ae85), SkBits2Float(0x7d6000de));  // -2.70582e+37f, 2.6585e+37f, -1.90812e+37f, 1.86095e+37f
+path.quadTo(SkBits2Float(0xfd05a9a6), SkBits2Float(0x7d00007f), SkBits2Float(0xfab3f4db), SkBits2Float(0x43480000));  // -1.11043e+37f, 1.0634e+37f, -4.67194e+35f, 200
+path.close();
+path.moveTo(SkBits2Float(0x7f07a445), SkBits2Float(0xff080087));  // 1.80299e+38f, -1.80778e+38f
+path.quadTo(SkBits2Float(0x7f0ba519), SkBits2Float(0xff0c008b), SkBits2Float(0x7f0da5f3), SkBits2Float(0xff0e008d));  // 1.8562e+38f, -1.86095e+38f, 1.88283e+38f, -1.88753e+38f
+path.quadTo(SkBits2Float(0x7f0fa6d5), SkBits2Float(0xff10008f), SkBits2Float(0x7f0fa7bd), SkBits2Float(0xff10008f));  // 1.90946e+38f, -1.91412e+38f, 1.90951e+38f, -1.91412e+38f
+path.quadTo(SkBits2Float(0x7f0faa7d), SkBits2Float(0xff10008f), SkBits2Float(0x7ef75801), SkBits2Float(0xfef800f6));  // 1.90965e+38f, -1.91412e+38f, 1.64388e+38f, -1.64827e+38f
+path.quadTo(SkBits2Float(0x7ecf5b09), SkBits2Float(0xfed000ce), SkBits2Float(0x7e875ac2), SkBits2Float(0xfe880087));  // 1.37811e+38f, -1.38242e+38f, 8.99585e+37f, -9.03889e+37f
+path.quadTo(SkBits2Float(0x7e0eb505), SkBits2Float(0xfe10008f), SkBits2Float(0x7d7ab958), SkBits2Float(0xfd80007f));  // 4.74226e+37f, -4.78529e+37f, 2.08293e+37f, -2.1268e+37f
+path.quadTo(SkBits2Float(0xfc8ac1cd), SkBits2Float(0x7c80007f), SkBits2Float(0xfc8b16cd), SkBits2Float(0x7c80007f));  // -5.76374e+36f, 5.31699e+36f, -5.77753e+36f, 5.31699e+36f
+path.quadTo(SkBits2Float(0xfc8b36cd), SkBits2Float(0x7c80007f), SkBits2Float(0xfc16a51a), SkBits2Float(0x7c00007f));  // -5.78273e+36f, 5.31699e+36f, -3.12877e+36f, 2.6585e+36f
+path.quadTo(SkBits2Float(0xfab6e4de), SkBits2Float(0x43480000), SkBits2Float(0x7c68f062), SkBits2Float(0xfc80007f));  // -4.7482e+35f, 200, 4.83795e+36f, -5.31699e+36f
+path.lineTo(SkBits2Float(0x7ddd1ecb), SkBits2Float(0xfde000de));  // 3.67399e+37f, -3.72189e+37f
+path.quadTo(SkBits2Float(0x7d9d254b), SkBits2Float(0xfda0009f), SkBits2Float(0x7d8d2bbc), SkBits2Float(0xfd90008f));  // 2.61103e+37f, -2.6585e+37f, 2.3456e+37f, -2.39265e+37f
+path.quadTo(SkBits2Float(0x7d7a64d8), SkBits2Float(0xfd80007f), SkBits2Float(0x7d7a7258), SkBits2Float(0xfd80007f));  // 2.08019e+37f, -2.1268e+37f, 2.08063e+37f, -2.1268e+37f
+path.quadTo(SkBits2Float(0x7d7a9058), SkBits2Float(0xfd80007f), SkBits2Float(0x7ded50db), SkBits2Float(0xfdf000ee));  // 2.0816e+37f, -2.1268e+37f, 3.94309e+37f, -3.98774e+37f
+path.quadTo(SkBits2Float(0x7e2eace5), SkBits2Float(0xfe3000af), SkBits2Float(0x7e8756a2), SkBits2Float(0xfe880087));  // 5.80458e+37f, -5.84869e+37f, 8.99478e+37f, -9.03889e+37f
+path.quadTo(SkBits2Float(0x7ebf56d9), SkBits2Float(0xfec000be), SkBits2Float(0x7edb54d5), SkBits2Float(0xfedc00da));  // 1.27167e+38f, -1.27608e+38f, 1.45771e+38f, -1.46217e+38f
+path.quadTo(SkBits2Float(0x7ef752e1), SkBits2Float(0xfef800f6), SkBits2Float(0x7ef74f21), SkBits2Float(0xfef800f6));  // 1.64375e+38f, -1.64827e+38f, 1.64365e+38f, -1.64827e+38f
+path.quadTo(SkBits2Float(0x7ef74d71), SkBits2Float(0xfef800f6), SkBits2Float(0x7ef34bbd), SkBits2Float(0xfef400f2));  // 1.64361e+38f, -1.64827e+38f, 1.61698e+38f, -1.62168e+38f
+path.quadTo(SkBits2Float(0x7eef4a19), SkBits2Float(0xfef000ee), SkBits2Float(0x7edf4859), SkBits2Float(0xfee000de));  // 1.59035e+38f, -1.5951e+38f, 1.48397e+38f, -1.48876e+38f
+path.lineTo(SkBits2Float(0x7f07a445), SkBits2Float(0xff080087));  // 1.80299e+38f, -1.80778e+38f
+path.close();
+canvas->drawPath(path, paint);
+}
diff --git a/src/core/SkGeometry.cpp b/src/core/SkGeometry.cpp
index 7717a37073..734f6e00d9 100644
--- a/src/core/SkGeometry.cpp
+++ b/src/core/SkGeometry.cpp
@@ -1125,10 +1125,17 @@ void SkConic::chop(SkConic * SK_RESTRICT dst) const {
 
     Sk2s wp1 = ww * p1;
     Sk2s m = (p0 + times_2(wp1) + p2) * scale * Sk2s(0.5f);
-
+    SkPoint mPt = to_point(m);
+    if (!mPt.isFinite()) {
+        double w_d = fW;
+        double w_2 = w_d * 2;
+        double scale_half = 1 / (1 + w_d) * 0.5;
+        mPt.fX = SkDoubleToScalar((fPts[0].fX + w_2 * fPts[1].fX + fPts[2].fX) * scale_half);
+        mPt.fY = SkDoubleToScalar((fPts[0].fY + w_2 * fPts[1].fY + fPts[2].fY) * scale_half);
+    }
     dst[0].fPts[0] = fPts[0];
     dst[0].fPts[1] = to_point((p0 + wp1) * scale);
-    dst[0].fPts[2] = dst[1].fPts[0] = to_point(m);
+    dst[0].fPts[2] = dst[1].fPts[0] = mPt;
     dst[1].fPts[1] = to_point((wp1 + p2) * scale);
     dst[1].fPts[2] = fPts[2];
 
@@ -1209,7 +1216,7 @@ static SkPoint* subdivide(const SkConic& src, SkPoint pts[], int level) {
         SkConic dst[2];
         src.chop(dst);
         const SkScalar startY = src.fPts[0].fY;
-        const SkScalar endY = src.fPts[2].fY;
+        SkScalar endY = src.fPts[2].fY;
         if (between(startY, src.fPts[1].fY, endY)) {
             // If the input is monotonic and the output is not, the scan converter hangs.
             // Ensure that the chopped conics maintain their y-order.