?? sincos.cc
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#include "aux0/sincos.h"#if defined __GNUC__ // if GNUC//# warning "FYI: sincos: GNU-C"#endif#if defined __i386__ // if x86 cpu//# warning "FYI: sincos: x86 CPU"#endif//<<// SINCOS_* #defined in sincos.h#if !defined SINCOS_AUTOMATIC//# warning 'FYI: automatic sincos-code selection was DISABLED in sincos.h'#else//# warning 'FYI: automatic sincos-code selection'#endif // !defined SINCOS_AUTOMATIC#if defined SINCOS_USE_ASM_TEMPLATE//# warning "FYI: sincos: x86 asm template sincos"#endif // defined SINCOS_USE_ASM_TEMPLATE#if defined SINCOS_USE_ASM//# warning "FYI: sincos: x86 asm sincos"voidSinCos(double a, double *s, double *c){ asm( "fldl 4 (%esp)" "fsincos" "movl 16 (%esp), %eax" "fstpl (%eax)" "movl 12 (%esp), %eax" "fstpl (%eax)" "ret" );}#endif // defined SINCOS_USE_ASM#if defined SINCOS_USE_MATHINLINE//# warning 'FYI: sincos: inline-math sincos'#endif#if defined SINCOS_USE_C//# warning 'FYI: sincos: C sincos'#endif//>>?? 快捷鍵說明
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