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* sysdeps/alpha/fpu/s_ceil.c: Use round to -inf instead of playing with the fpcr. Protect from INV exception. * sysdeps/alpha/fpu/s_ceilf.c: Likewise. * sysdeps/alpha/fpu/s_floor.c: Protect from INV exception. * sysdeps/alpha/fpu/s_floorf.c: Likewise. * sysdeps/alpha/fpu/s_copysign.c: New. * sysdeps/alpha/fpu/s_copysignf.c: New. * sysdeps/alpha/fpu/s_fabs.c: New. * sysdeps/alpha/fpu/s_fabsf.c: New. * sysdeps/alpha/fpu/s_rint.c: New. * sysdeps/alpha/fpu/s_rintf.c: New. * sysdeps/alpha/fpu/fraiseexcpt.c: Use get/set_fp_control instead of arithmetic instructions. * sysdeps/alpha/fpu/s_ceil.c: Use round to -inf instead of playing with the fpcr. Protect from INV exception. * sysdeps/alpha/fpu/s_ceilf.c: Likewise. * sysdeps/alpha/fpu/s_floor.c: Protect from INV exception. * sysdeps/alpha/fpu/s_floorf.c: Likewise. * sysdeps/alpha/fpu/s_copysign.c: New. * sysdeps/alpha/fpu/s_copysignf.c: New. * sysdeps/alpha/fpu/s_fabs.c: New. * sysdeps/alpha/fpu/s_fabsf.c: New. * sysdeps/alpha/fpu/s_rint.c: New. * sysdeps/alpha/fpu/s_rintf.c: New.