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/*
** -*- C -*-
**
** testTanh.c
** Made by Bruno JOFRET <bruno.jofret@inria.fr>
**
** Started on Fri Dec 8 15:05:44 2006 jofret
** Last update Mon Jan 29 17:14:52 2007 jofret
**
** Copyright INRIA 2006
*/
#include <stdio.h>
#define PI 3.1415826535
float stanhs(float);
double dtanhs(double);
void stanhsTest() {
printf(">> Float scalar\n");
printf("stanhs(0) = %f\n", stanhs((float) 0));
printf("stanhs(PI) = %f\n", stanhs(PI));
printf("stanhs(PI/2) = %f\n", stanhs(PI/2));
printf("stanhs(PI/3) = %f\n", stanhs(PI/3));
printf("stanhs(PI/4) = %f\n", stanhs(PI/4));
printf("stanhs(PI/6) = %f\n", stanhs(PI/6));
printf("stanhs(-PI) = %f\n", stanhs(-PI));
printf("stanhs(-PI/2) = %f\n", stanhs(-PI/2));
printf("stanhs(-PI/3) = %f\n", stanhs(-PI/3));
printf("stanhs(-PI/4) = %f\n", stanhs(-PI/4));
printf("stanhs(-PI/6) = %f\n", stanhs(-PI/6));
}
void dtanhsTest() {
printf(">> Double scalar\n");
printf("dtanhs(0) = %e\n", dtanhs((double) 0));
printf("dtanhs(PI) = %e\n", dtanhs(PI));
printf("dtanhs(PI/2) = %e\n", dtanhs(PI/2));
printf("dtanhs(PI/3) = %e\n", dtanhs(PI/3));
printf("dtanhs(PI/4) = %e\n", dtanhs(PI/4));
printf("dtanhs(PI/6) = %e\n", dtanhs(PI/6));
printf("dtanhs(-PI) = %e\n", dtanhs(-PI));
printf("dtanhs(-PI/2) = %e\n", dtanhs(-PI/2));
printf("dtanhs(-PI/3) = %e\n", dtanhs(-PI/3));
printf("dtanhs(-PI/4) = %e\n", dtanhs(-PI/4));
printf("dtanhs(-PI/6) = %e\n", dtanhs(-PI/6));
}
int testTanh() {
printf(">>>> Hyperbolic Tangeant Tests\n");
stanhsTest();
dtanhsTest();
return 0;
}
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