/** * This file has no copyright assigned and is placed in the Public Domain. * This file is part of the mingw-w64 runtime package. * No warranty is given; refer to the file DISCLAIMER.PD within this package. */ #include double rint (double x) { double retval = 0.0; #if defined(_AMD64_) || defined(__x86_64__) || defined(_X86_) || defined(__i386__) __asm__ __volatile__ ("frndint;" : "=t" (retval) : "0" (x)); #elif defined(__arm__) || defined(_ARM_) if (isnan(x) || isinf(x)) return x; float temp; __asm__ __volatile__ ( "vcvtr.s32.f64 %[tmp], %[src]\n\t" "vcvt.f64.s32 %[dst], %[tmp]\n\t" : [dst] "=w" (retval), [tmp] "=t" (temp) : [src] "w" (x)); #elif defined(__aarch64__) || defined(_ARM64_) __asm__ __volatile__ ("frintx %d0, %d1\n\t" : "=w" (retval) : "w" (x)); #endif return retval; }