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gallium/util: Use GCC built-in functions for NaN and infinity.

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This patch fixes this build failure with Intel Compiler.

src/gallium/auxiliary/util/u_format_tests.c(903): error: floating-point operation result is out of range
     {PIPE_FORMAT_R16_FLOAT, PACKED_1x16(0xffff), PACKED_1x16(0x7c01), UNPACKED_1x1(        NAN, 0.0, 0.0, 1.0)},

Signed-off-by: Vinson Lee <vlee@freedesktop.org>
Reviewed-by: José Fonseca <jfonseca@vmware.com>
This commit is contained in:
Vinson Lee 2012-07-29 15:12:05 -07:00
parent 3d0b54c7c6
commit 2faa2b4f7e
1 changed files with 5 additions and 0 deletions
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src/gallium/auxiliary/util/u_format_tests.c
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@ -66,8 +66,13 @@
{{ 0, 0, 0, 0}, { 0, 0, 0, 0}, {0, 0, 0, 0}, {0, 0, 0, 0}}}
#ifdef __GNUC__
#define NAN __builtin_nan("")
#define INF __builtin_inf()
#else
#define NAN (0.0 / 0.0)
#define INF (1.0 / 0.0)
#endif
/**
* Test cases.