* sysdeps/ieee754/ldbl-128ibm/k_cosl.c (__kernel_cosl): Correct index

* sysdeps/ieee754/ldbl-128ibm/k_cosl.c (__kernel_cosl): Correct index

	for __sincosl_table.
	* sysdeps/ieee754/ldbl-128ibm/k_sincosl.c (__kernel_sincosl): Likewise.
	* sysdeps/ieee754/ldbl-128ibm/k_sinl.c (__kernel_sinl): Likewise.

	* sysdeps/ieee754/ldbl-128ibm/s_ceill.c: Correct sign of 0.0.
	* sysdeps/ieee754/ldbl-128ibm/s_floorl.c: Likewise.

	* sysdeps/ieee754/ldbl-128ibm/s_cprojl.c: New file.
	* sysdeps/ieee754/ldbl-128ibm/s_ctanhl.c: New file.
	* sysdeps/ieee754/ldbl-128ibm/s_ctanl.c: New file.