diff options
| author | Nicolai Hähnle <nicolai.haehnle@amd.com> | 2017-09-15 18:07:43 +0200 |
|---|---|---|
| committer | Nicolai Hähnle <nicolai.haehnle@amd.com> | 2017-09-29 12:09:05 +0200 |
| commit | 5aa6eea37f44f818632a3dad4c1a7478085bd56d (patch) | |
| tree | 4d095394a3898fc47b9d7e924c2251bd14220cc2 | |
| parent | e1f66fb2fb8ad781ca755831983b6662c4c440d4 (diff) | |
arb_gpu_shader_fp64: relax ldexp test due to denorms
ldexp(0.5, -1028) will be different from 0.0 on implementations that
support denorms. Simply crank up the exponents to exclude the possibility
of denorms.
| -rw-r--r-- | tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/fs-ldexp-dvec4.shader_test | 8 |
1 files changed, 2 insertions, 6 deletions
diff --git a/tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/fs-ldexp-dvec4.shader_test b/tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/fs-ldexp-dvec4.shader_test index c0e60b97b..38214dee6 100644 --- a/tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/fs-ldexp-dvec4.shader_test +++ b/tests/spec/arb_gpu_shader_fp64/execution/built-in-functions/fs-ldexp-dvec4.shader_test @@ -92,17 +92,13 @@ probe rgba 5 0 0.0 0.0 0.0 0.0 # Test underflow generates zero with sign of x. uniform dvec4 expected_double 0.0 -0.0 0.0 -0.0 uniform dvec4 given_double 0.0 -0.0 0.5 -0.5 -uniform ivec4 given_exponent -1028 -1028 -1028 -1028 +uniform ivec4 given_exponent -1028 -1028 -1078 -1078 draw arrays GL_TRIANGLE_FAN 0 4 probe rgba 6 0 0.0 0.0 0.0 0.0 uniform dvec4 expected_double 0.0 -0.0 0.0 -0.0 uniform dvec4 given_double 2.2250738585072014E-308 -2.2250738585072014E-308 1.7976931348623157E+308 -1.7976931348623157E+308 -# For the FLT_MAX case -255 comes from (-127 + -127 + -1). -# ldexp(FLT_MAX, -127) = 0x1.fffffep+0 (1.999999881) -# ldexp(FLT_MAX, -127 - 127) = 0x1p-126 (epsilon above FLT_MIN) -# ldexp(FLT_MAX, -127 - 127 - 1) = 0.0 -uniform ivec4 given_exponent -1 -1 -2048 -2048 +uniform ivec4 given_exponent -53 -53 -2100 -2100 draw arrays GL_TRIANGLE_FAN 0 4 probe rgba 7 0 0.0 0.0 0.0 0.0 |