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| author | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
|---|---|---|
| committer | Joseph Hunkeler <jhunkeler@gmail.com> | 2015-07-08 20:46:52 -0400 |
| commit | fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4 (patch) | |
| tree | bdda434976bc09c864f2e4fa6f16ba1952b1e555 /math/surfit/iszero.x | |
| download | iraf-linux-fa080de7afc95aa1c19a6e6fc0e0708ced2eadc4.tar.gz | |
Initial commit
Diffstat (limited to 'math/surfit/iszero.x')
| -rw-r--r-- | math/surfit/iszero.x | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/math/surfit/iszero.x b/math/surfit/iszero.x new file mode 100644 index 00000000..d453d1fd --- /dev/null +++ b/math/surfit/iszero.x @@ -0,0 +1,26 @@ +# Copyright(c) 1986 Association of Universities for Research in Astronomy Inc. + +include "surfitdef.h" + +# ISZERO -- Procedure to zero the accumulators for line number lineno. + +procedure iszero (sf) + +pointer sf # pointer to the surface descriptor + +begin + SF_NXPTS(sf) = 0 + SF_NYPTS(sf) = 0 + + call aclrr (XMATRIX(SF_XMATRIX(sf)), + SF_XORDER(sf) * SF_NXCOEFF(sf)) + call aclrr (YMATRIX(SF_YMATRIX(sf)), + SF_YORDER(sf) * SF_NYCOEFF(sf)) + call aclrr (XCOEFF(SF_XCOEFF(sf)), SF_NXCOEFF(sf) * SF_NLINES(sf)) + call aclrr (COEFF(SF_COEFF(sf)), SF_NXCOEFF(sf) * SF_NYCOEFF(sf)) + + if (SF_WZ(sf) != NULL) + call mfree (SF_WZ(sf), MEM_TYPE) + if (SF_TLEFT(sf) != NULL) + call mfree (SF_TLEFT(sf), TY_INT) +end |