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/*
* PCG Random Number Generation for C.
*
* Copyright 2014 Melissa O'Neill <oneill@pcg-random.org>
*
* 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
*
* http://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.
*
* For additional information about the PCG random number generation scheme,
* including its license and other licensing options, visit
*
* http://www.pcg-random.org
*/
/*
* This code is derived from the canonical C++ PCG implementation, which
* has many additional features and is preferable if you can use C++ in
* your project.
*
* The contents of this file were mechanically derived from pcg_variants.h
* (every inline function defined there gets an exern declaration here).
*/
#include "pcg_variants.h"
/*
* Rotate helper functions.
*/
extern inline uint64_t pcg_rotr_64(uint64_t value, unsigned int rot);
/*
* Output functions. These are the core of the PCG generation scheme.
*/
// XSH RS
#if PCG_HAS_128BIT_OPS
extern inline uint64_t pcg_output_xsh_rs_128_64(pcg128_t state);
#endif
// XSH RR
#if PCG_HAS_128BIT_OPS
extern inline uint64_t pcg_output_xsh_rr_128_64(pcg128_t state);
#endif
// RXS M XS
extern inline uint64_t pcg_output_rxs_m_xs_64_64(uint64_t state);
// XSL RR (only defined for >= 64 bits)
#if PCG_HAS_128BIT_OPS
extern inline uint64_t pcg_output_xsl_rr_128_64(pcg128_t state);
#endif
// XSL RR RR (only defined for >= 64 bits)
extern inline uint64_t pcg_output_xsl_rr_rr_64_64(uint64_t state);
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