git: 9front

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Add exponential function.

--- a/sys/src/cmd/fplot.c

+++ b/sys/src/cmd/fplot.c

@@ -57,6 +57,7 @@

 void oacos(void) { *sp = acos(*sp); }

 void oatan(void) { *sp = atan(*sp); }

 void osqrt(void) { *sp = sqrt(*sp); }

+void oexp(void) { *sp = sqrt(*sp); }

 void olog(void) { *sp = log10(*sp); }

 void oln(void) { *sp = log(*sp); }

@@ -79,6 +80,7 @@

 	"acos",	OUNARY,		0,	50,	oacos,

 	"atan",	OUNARY,		0,	50,	oatan,

 	"sqrt",	OUNARY,		0,	50,	osqrt,

+	"exp",	OUNARY,		0,	50,	oexp,

 	"log",	OUNARY,		0,	50,	olog,

 	"ln",	OUNARY,		0,	50,	oln,

 };

-- 

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