/** * 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. */ void sincos (double __x, double *p_sin, double *p_cos); void sincosl (long double __x, long double *p_sin, long double *p_cos); void sincosf (float __x, float *p_sin, float *p_cos); void sincos (double __x, double *p_sin, double *p_cos) { long double c, s; __asm__ __volatile__ ("fsincos\n\t" "fnstsw %%ax\n\t" "testl $0x400, %%eax\n\t" "jz 1f\n\t" "fldpi\n\t" "fadd %%st(0)\n\t" "fxch %%st(1)\n\t" "2: fprem1\n\t" "fnstsw %%ax\n\t" "testl $0x400, %%eax\n\t" "jnz 2b\n\t" "fstp %%st(1)\n\t" "fsincos\n\t" "1:" : "=t" (c), "=u" (s) : "0" (__x)); *p_sin = (double) s; *p_cos = (double) c; } void sincosf (float __x, float *p_sin, float *p_cos) { long double c, s; __asm__ __volatile__ ("fsincos\n\t" "fnstsw %%ax\n\t" "testl $0x400, %%eax\n\t" "jz 1f\n\t" "fldpi\n\t" "fadd %%st(0)\n\t" "fxch %%st(1)\n\t" "2: fprem1\n\t" "fnstsw %%ax\n\t" "testl $0x400, %%eax\n\t" "jnz 2b\n\t" "fstp %%st(1)\n\t" "fsincos\n\t" "1:" : "=t" (c), "=u" (s) : "0" (__x)); *p_sin = (float) s; *p_cos = (float) c; } void sincosl (long double __x, long double *p_sin, long double *p_cos) { long double c, s; __asm__ __volatile__ ("fsincos\n\t" "fnstsw %%ax\n\t" "testl $0x400, %%eax\n\t" "jz 1f\n\t" "fldpi\n\t" "fadd %%st(0)\n\t" "fxch %%st(1)\n\t" "2: fprem1\n\t" "fnstsw %%ax\n\t" "testl $0x400, %%eax\n\t" "jnz 2b\n\t" "fstp %%st(1)\n\t" "fsincos\n\t" "1:" : "=t" (c), "=u" (s) : "0" (__x)); *p_sin = s; *p_cos = c; }