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## RE: [Axiom-math] Is there a cleaner way to convert an expression tofloat

**From**: |
Bill Page |

**Subject**: |
RE: [Axiom-math] Is there a cleaner way to convert an expression tofloat ? |

**Date**: |
Tue, 18 Apr 2006 13:49:41 -0400 |

On April 18, 2006 1:45 PM Francois Maltey wrote:
>* *
>* How can I convert an expression as sin (%pi/5) to a float ?*
>* *
>* I can use sin (%pi/5) + 0.0, but I find it's a dirty tick !*
>* *
>* (sin (%pi/5))::Float doesn't work.*
>* *
>* I refuse to go inside the formula and type : sin (%pi/5::Float).*
>* *
>* Is there an other ability ?*
>* *
Since the error message is:
"Cannot convert from type Expression Integer to Float"
one might guess to use:
(sin (%pi/5))::Expression Float
and that would be right although the result is 'Expression Float'.
If you really want/need float you can write:
(sin (%pi/5))::Expression Float::Float
Regards,
Bill Page.