MAINT: interpolate: work around ssize_t not available on MSVC

ev-br · Jul 18, 2024 · 64d7ef0 · 64d7ef0
1 parent 63cdbe6
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diff --git a/scipy/interpolate/src/__fitpack.cc b/scipy/interpolate/src/__fitpack.cc
@@ -205,6 +205,7 @@ data_matrix( /* inputs */
     the `s-1` corresponding rows form an `(s-1, k+1)`-sized "block".
     Then a blocked QR implementation could look like
     https://people.sc.fsu.edu/~jburkardt/f77_src/band_qr/band_qr.f
+
     The `startrow` optional argument accounts for the scenatio with a two-step
     factorization. Namely, the preceding rows are assumend to be already
     processed and are skipped.

diff --git a/scipy/interpolate/src/__fitpack.h b/scipy/interpolate/src/__fitpack.h
@@ -2,12 +2,15 @@
 #include <iostream>
 #include <tuple>
 #include <vector>
+#include <string>
 
 #include "../_build_utils/src/npy_cblas.h"
 #include "../_build_utils/src/fortran_defs.h"
 
 #define DLARTG BLAS_FUNC(dlartg)
 
+/* MSVC */
+#define ssize_t ptrdiff_t
 
 namespace fitpack {