Jacek Caban : ddraw/tests: Don't use log2f to avoid mingwex dependency.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: e7a2e45c703123b143324cf88e690ce0865a5790
URL:    https://source.winehq.org/git/wine.git/?a=commit;h=e7a2e45c703123b143324cf88e690ce0865a5790

Author: Jacek Caban <jacek at codeweavers.com>
Date:   Fri Jan 24 11:08:23 2020 +0100

ddraw/tests: Don't use log2f to avoid mingwex dependency.

Signed-off-by: Jacek Caban <jacek at codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet at codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard at winehq.org>

---

 dlls/ddraw/tests/ddraw1.c | 2 +-
 dlls/ddraw/tests/ddraw2.c | 2 +-
 dlls/ddraw/tests/ddraw4.c | 2 +-
 dlls/ddraw/tests/ddraw7.c | 2 +-
 4 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/dlls/ddraw/tests/ddraw1.c b/dlls/ddraw/tests/ddraw1.c
index d85d31343f..16c0cfb4e5 100644
--- a/dlls/ddraw/tests/ddraw1.c
+++ b/dlls/ddraw/tests/ddraw1.c
@@ -8205,7 +8205,7 @@ static void test_color_fill(void)
                 float f, g;
 
                 expected = tests[i].result & mask;
-                f = ceilf(log2f(expected + 1.0f));
+                f = ceilf(logf(expected + 1.0f) / logf(2.0f));
                 g = (f + 1.0f) / 2.0f;
                 g -= (int)g;
                 expected_broken = (expected / exp2f(f) - g) * 256;
diff --git a/dlls/ddraw/tests/ddraw2.c b/dlls/ddraw/tests/ddraw2.c
index 9ca6b44eb8..f0ae458d85 100644
--- a/dlls/ddraw/tests/ddraw2.c
+++ b/dlls/ddraw/tests/ddraw2.c
@@ -8953,7 +8953,7 @@ static void test_color_fill(void)
                 float f, g;
 
                 expected = tests[i].result & mask;
-                f = ceilf(log2f(expected + 1.0f));
+                f = ceilf(logf(expected + 1.0f) / logf(2.0f));
                 g = (f + 1.0f) / 2.0f;
                 g -= (int)g;
                 expected_broken = (expected / exp2f(f) - g) * 256;
diff --git a/dlls/ddraw/tests/ddraw4.c b/dlls/ddraw/tests/ddraw4.c
index 39b4aca657..7ce33ab406 100644
--- a/dlls/ddraw/tests/ddraw4.c
+++ b/dlls/ddraw/tests/ddraw4.c
@@ -10601,7 +10601,7 @@ static void test_color_fill(void)
                 float f, g;
 
                 expected = tests[i].result & U3(z_fmt).dwZBitMask;
-                f = ceilf(log2f(expected + 1.0f));
+                f = ceilf(logf(expected + 1.0f) / logf(2.0f));
                 g = (f + 1.0f) / 2.0f;
                 g -= (int)g;
                 expected_broken = (expected / exp2f(f) - g) * 256;
diff --git a/dlls/ddraw/tests/ddraw7.c b/dlls/ddraw/tests/ddraw7.c
index c34d939486..cde5d2b5ba 100644
--- a/dlls/ddraw/tests/ddraw7.c
+++ b/dlls/ddraw/tests/ddraw7.c
@@ -10575,7 +10575,7 @@ static void test_color_fill(void)
                 float f, g;
 
                 expected = tests[i].result & U3(z_fmt).dwZBitMask;
-                f = ceilf(log2f(expected + 1.0f));
+                f = ceilf(logf(expected + 1.0f) / logf(2.0f));
                 g = (f + 1.0f) / 2.0f;
                 g -= (int)g;
                 expected_broken = (expected / exp2f(f) - g) * 256;