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Diffstat (limited to 'src/root_base.h')
| -rw-r--r-- | src/root_base.h | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/src/root_base.h b/src/root_base.h new file mode 100644 index 0000000..7a69616 --- /dev/null +++ b/src/root_base.h @@ -0,0 +1,27 @@ +/* +Copyright 2016 Ian Jauslin + +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. +*/ + +/* + Base functions for root finding + + see integral_*.h for the values taken by ROOT_FUNC, etc... +*/ + + +// compute the root of a real function of 1 variable using the Newton method +int ROOT_FUNC(root_newton_inplace) (ROOT_FLOAT_TYPE* out, int (*func)(ROOT_FLOAT_TYPE*, ROOT_FLOAT_TYPE, void*), int (*deriv_func)(ROOT_FLOAT_TYPE*, ROOT_FLOAT_TYPE, void*), ROOT_FLOAT_TYPE tolerance, unsigned int maxiter, void* extra_args); +int ROOT_FUNC(root_newton) (ROOT_FLOAT_TYPE* out, int (*func)(ROOT_FLOAT_TYPE*, ROOT_FLOAT_TYPE, void*), int (*deriv_func)(ROOT_FLOAT_TYPE*, ROOT_FLOAT_TYPE, void*), ROOT_FLOAT_TYPE init, ROOT_FLOAT_TYPE tolerance, unsigned int maxiter, void* extra_args); + |