Suppress float-cast-overflow for double-to-float in SkMatrix{,44}

No API change.

Bug: skia:4632
Change-Id: Ic9cb9de7cce8aca43f0ce8066abcc44a0b04ca84
Reviewed-on: https://skia-review.googlesource.com/47681
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Mike Klein <mtklein@chromium.org>

1 files changed, 2 insertions, 1 deletions

diff --git a/src/core/SkMatrix.cpp b/src/core/SkMatrix.cpp
index 5feee12874..0ed9565fb9 100644
--- a/src/core/SkMatrix.cpp
+++ b/src/core/SkMatrix.cpp
@@ -770,7 +770,8 @@ static double sk_inv_determinant(const float mat[9], int isPerspective) {
     // Since the determinant is on the order of the cube of the matrix members,
     // compare to the cube of the default nearly-zero constant (although an
     // estimate of the condition number would be better if it wasn't so expensive).
-    if (SkScalarNearlyZero((float)det, SK_ScalarNearlyZero * SK_ScalarNearlyZero * SK_ScalarNearlyZero)) {
+    if (SkScalarNearlyZero(sk_double_to_float(det),
+                           SK_ScalarNearlyZero * SK_ScalarNearlyZero * SK_ScalarNearlyZero)) {
         return 0;
     }
     return 1.0 / det;