Module: Mesa Branch: master Commit: 60dca53833ee6ed39d75a24af3edb0b8ac3f7e0d URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=60dca53833ee6ed39d75a24af3edb0b8ac3f7e0d
Author: James Benton <[email protected]> Date: Tue May 22 14:55:18 2012 +0100 util: Updated u_format_tests to rigidly test half-float boundary values. Reviewed-by: Jose Fonseca <[email protected]> --- src/gallium/auxiliary/util/u_format_tests.c | 30 +++++++++++++++++++++++++++ 1 files changed, 30 insertions(+), 0 deletions(-) diff --git a/src/gallium/auxiliary/util/u_format_tests.c b/src/gallium/auxiliary/util/u_format_tests.c index fc29d8d..afbd062 100644 --- a/src/gallium/auxiliary/util/u_format_tests.c +++ b/src/gallium/auxiliary/util/u_format_tests.c @@ -28,6 +28,7 @@ #include "u_memory.h" #include "u_format_tests.h" +#include <float.h> /* @@ -63,6 +64,9 @@ {{ 0, 0, 0, 0}, { 0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}} +#define NAN (0.0 / 0.0) +#define INF (1.0 / 0.0) + /** * Test cases. * @@ -876,6 +880,32 @@ util_format_test_cases[] = * Half float formats */ + /* Minimum positive normal */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x0400), UNPACKED_1x1( 6.10352E-5, 0.0, 0.0, 1.0)}, + + /* Max denormal */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x03FF), UNPACKED_1x1( 6.09756E-5, 0.0, 0.0, 1.0)}, + + /* Minimum positive denormal */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x0001), UNPACKED_1x1( 5.96046E-8, 0.0, 0.0, 1.0)}, + + /* Min representable value */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0xfbff), UNPACKED_1x1( -65504.0, 0.0, 0.0, 1.0)}, + + /* Max representable value */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x7bff), UNPACKED_1x1( 65504.0, 0.0, 0.0, 1.0)}, + + /* NaNs */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x7c01), UNPACKED_1x1( NAN, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0xfc01), UNPACKED_1x1( -NAN, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x7fff), UNPACKED_1x1( NAN, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0xffff), UNPACKED_1x1( -NAN, 0.0, 0.0, 1.0)}, + + /* Inf */ + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x7c00), UNPACKED_1x1( INF, 0.0, 0.0, 1.0)}, + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0xfc00), UNPACKED_1x1( -INF, 0.0, 0.0, 1.0)}, + + {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x8000), UNPACKED_1x1( 0.0, 0.0, 0.0, 1.0)}, {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x0000), UNPACKED_1x1( 0.0, 0.0, 0.0, 1.0)}, {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x3c00), UNPACKED_1x1( 1.0, 0.0, 0.0, 1.0)}, {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0xbc00), UNPACKED_1x1( -1.0, 0.0, 0.0, 1.0)}, _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
