sqrt.h

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/*
 * Copyright (c) 2014 The University of Manchester
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#ifndef __SQRT_H__
#define __SQRT_H__
 
#include <stdfix-full-iso.h>
 
#ifndef UNIMPLEMENTED
#define UNIMPLEMENTED extern __attribute__((deprecated("Not implemented")))
#endif
 
extern uint64_t             recip_normalized_root(uint32_t x);
 
extern s1615                sqrtk(s1615 x);
 
extern u1616                sqrtuk(u1616 x);
 
/*
 * All these functions have no implementation in this library. They will
 * generate a compile-time warning if used, and a link-time error.
 */
 
UNIMPLEMENTED s07           sqrthr(s07 x);
UNIMPLEMENTED s015          sqrtr(s015 x);
UNIMPLEMENTED s031          sqrtlr(s031 x);
UNIMPLEMENTED s87           sqrthk(s87 x);
UNIMPLEMENTED s3231         sqrtlk(s3231 x);
UNIMPLEMENTED u08           sqrtuhr(u08 x);
UNIMPLEMENTED u016          sqrtur(u016 x);
UNIMPLEMENTED u032          sqrtulr(u032 x);
UNIMPLEMENTED u88           sqrtuhk(u88 x);
UNIMPLEMENTED u3232         sqrtulk(u3232 x);
 
#define sqrtfx(f) \
    _Generic((f), \
    s07:   sqrthr(f), \
    s015:  sqrtr(f), \
    s031:  sqrtlr(f), \
    s87:   sqrthk(f), \
    s1615: sqrtk(f), \
    s3231: sqrtlk(f), \
    u08:   sqrtuhr(f), \
    u016:  sqrtur(f), \
    u032:  sqrtulr(f), \
    u88:   sqrtuhk(f), \
    u1616: sqrtuk(f), \
    u3232: sqrtulk(f), \
    default: __builtin_trap() \
    )
 
#endif /*__SQRT_H__*/