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52 lines
1.7 KiB
C
52 lines
1.7 KiB
C
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// normrnd.h
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// Functions to generate gaussian distributed numbers
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//
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// (c) 2016 - Nico Palermo, IV3NWV - Microtelecom Srl, Italy
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// ------------------------------------------------------------------------------
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// This file is part of the qracodes project, a Forward Error Control
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// encoding/decoding package based on Q-ary RA (Repeat and Accumulate) LDPC codes.
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//
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// qracodes is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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// qracodes is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with qracodes source distribution.
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// If not, see <http://www.gnu.org/licenses/>.
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#ifndef _normrnd_h_
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#define _normrnd_h_
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#define _CRT_RAND_S
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#include <stdlib.h>
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#define _USE_MATH_DEFINES
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#include <math.h>
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#define M_2PI (2.0f*(float)M_PI)
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#ifdef __cplusplus
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extern "C" {
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#endif
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void normrnd_s(float *dst, int nitems, float mean, float stdev);
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// generate a random array of numbers with a gaussian distribution of given mean and stdev
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// use MS rand_s(...) function
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/* not used
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void normrnd(float *dst, int nitems, float mean, float stdev);
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// generate a random array of numbers with a gaussian distribution of given mean and stdev
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// use MS rand() function
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*/
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#ifdef __cplusplus
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}
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#endif
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#endif // _normrnd_h_
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