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Set default rounding mode to FE_NEAREST again. Thanks to Matthias Bentrup for providing some explanations.

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This commit is contained in:
Thilo Schulz 2011-09-27 14:43:20 +00:00
parent ebec84c55d
commit 8a500d71da
6 changed files with 34 additions and 59 deletions
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4
code/sys/sys_win32.c
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@ -59,14 +59,14 @@ Set FPU control word to default value
#define _MCW_EM 0x0008001fU
#define _MCW_RC 0x00000300U
#define _MCW_PC 0x00030000U
#define _RC_CHOP 0x00000300U
#define _RC_NEAR 0x00000000U
#define _PC_53 0x00010000U
unsigned int _controlfp(unsigned int new, unsigned int mask);
#endif
#define FPUCWMASK1 (_MCW_RC | _MCW_EM)
#define FPUCW (_RC_CHOP | _MCW_EM | _PC_53)
#define FPUCW (_RC_NEAR | _MCW_EM | _PC_53)
#if idx64
#define FPUCWMASK (FPUCWMASK1)