Added tolerance for sphere wrapping in CAR (#204)

* added tolerance for sphere wrapping in CAR

Author: damonge

.github/workflows/ci.yml

@@ -111,8 +111,10 @@ jobs:
       - name: Build NaMaster (mac)
         if: matrix.label == 'osx-64'
         run: |
+          # After migrating to Xcode 15.4, a bunch of things broke, for whatever reason...
+          sudo xcode-select -s "/Applications/Xcode_15.0.1.app"
           # Without the prefixes, it won't compile on mac
-          CC=gcc-13 LDFLAGS=-L/opt/homebrew/lib CPPFLAGS=-I/opt/homebrew/include python -m pip install .
+          CC=gcc-14 LDFLAGS=-L/opt/homebrew/lib CPPFLAGS=-I/opt/homebrew/include python -m pip install .
 
       - name: C tests
         run: |

pymaster/utils.py

@@ -337,7 +337,7 @@ def __init__(self, wcs, axes):
                 raise ValueError("The colatitude map edges are "
                                  "outside the sphere")
 
-            if np.fabs(nx*d_ra) > 360:
+            if np.fabs(nx*d_ra) > 360+0.1*d_ra:
                 raise ValueError("Seems like you're wrapping the "
                                  "sphere more than once")