Modify tangent tests to accept values calculated in single precission

1 files changed, 4 insertions, 3 deletions

diff --git a/tests/shaders/glsl-fs-tan-2.shader_test b/tests/shaders/glsl-fs-tan-2.shader_test
index 76e33928a..e32b10ca9 100644
--- a/tests/shaders/glsl-fs-tan-2.shader_test
+++ b/tests/shaders/glsl-fs-tan-2.shader_test
@@ -20,15 +20,16 @@ void main()
 	float retVal = tan(x);
 
 	// expected result, calculated by C program
-	const float expVal = 1255.765592;
 	const float tolerance = 0.001;
+	const vec2 expVal = vec2(1255.765592 - tolerance,
+				 1255.848311 + tolerance);
 
 	// Top half of the window should be 0.5 gray, and the bottom half
 	// should be green.
 	if (y > 0.0)
-		gl_FragColor = vec4(vec3(retVal / (2.0 * expVal)), 1.0);
+		gl_FragColor = vec4(vec2(retVal / (2.0 * expVal)).xyy, 1.0);
 	else
-		gl_FragColor = (abs(retVal - expVal) <= tolerance)
+		gl_FragColor = ((retVal >= expVal.x) && (retVal <= expVal.y))
 			? vec4(0.0, 1.0, 0.0, 1.0)   // green
 			: vec4(1.0, 0.0, 0.0, 1.0);  // red
 }