compiling S7 throws errors for lines 11121 to 11125:
Error C2491 'asinh': definition of dllimport function not allowed
I misunderstood something Rick sent me -- in s7.c at line 11119
enclose the asinh etc in (_MSC_VER < 1700)
#if (_MSC_VER < 1700)
/* in MS C, we need to provide inverse hyperbolic trig funcs and cbrt
*/
static double asinh(double x) {return(log(x + sqrt(1.0 + x * x)));}
static double acosh(double x) {return(log(x + sqrt(x * x - 1.0)));}
/* perhaps less prone to numerical troubles (untested): 2.0 *
log(sqrt(0.5 * (x + 1.0)) + sqrt(0.5 * (x - 1.0))) */
static double atanh(double x) {return(log((1.0 + x) / (1.0 - x)) /
2.0);}
static double cbrt(double x) {if (x >= 0.0) return(pow(x, 1.0 / 3.0));
return(-pow(-x, 1.0 / 3.0));}
#endif
I'm guessing about the 1700.
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