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[CRT/ARM] Floating point control functions implementation (#3870)

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Implement controlfp, statusfp, fpreset, clearfp. CORE-17757 CORE-17604
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Roman Masanin 2021-08-01 17:30:41 +03:00 • committed by Stanislav Motylkov
parent c188821f8b
commit 554bbb6bab
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13 changed files with 249 additions and 100 deletions
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8
sdk/include/crt/float.h
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@ -77,6 +77,14 @@
#define _FPCLASS_PINF 0x0200 /* Positive Infinity */
#endif /* __MINGW_FPCLASS_DEFINED */
/* _statusfp bit flags */
#define _SW_INEXACT 0x00000001 /* inexact (precision) */
#define _SW_UNDERFLOW 0x00000002 /* underflow */
#define _SW_OVERFLOW 0x00000004 /* overflow */
#define _SW_ZERODIVIDE 0x00000008 /* zero divide */
#define _SW_INVALID 0x00000010 /* invalid */
#define _SW_DENORMAL 0x00080000 /* denormal status bit */
/* invalid subconditions (_SW_INVALID also set) */
#define _SW_UNEMULATED 0x0040 /* unemulated instruction */
#define _SW_SQRTNEG 0x0080 /* square root of a neg number */