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sinh, sinhl

Header File

math.h

Category

Math Routines, Inline Routines

Prototype

double sinh(double x);

long double sinhl(long double x);

Description

Calculates hyperbolic sine.

sinh computes the hyperbolic sine.

sinl is the long double version; it takes a long double argument and returns a long double result. Error handling for sinh and sinhl can be modified through the functions _matherr and _matherrl.

Return Value

sinh and sinhl return the hyperbolic sine of x.

When the correct value overflows, these functions return the value HUGE_VAL (sinh) or _LHUGE_VAL (sinhl) of appropriate sign. Also, the global variable errno is set to ERANGE.

Example

Copy Code

    #include <stdio.h>
    #include <math.h>
    int main(void)
    {
       double result, x = 0.5;
       result = sinh(x);
       printf("The hyperbolic sin of %lf is %lf\n", x, result);
       return 0;
    }

Portability

| POSIX | Win32 | ANSI C | ANSI C++
sinh | + | + | + | +
sinhl |  | + | + | +

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